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Merge branch 'perf/core' of git://github.com/acmel/linux into perf/core

This commit is contained in:
Ingo Molnar 2011-10-10 07:10:05 +02:00
parent d48b0e1737 64c6f0c7f8
commit 7588badafc
35 changed files with 2124 additions and 804 deletions
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3
tools/perf/Documentation/perf-annotate.txt
View File

@ -73,8 +73,7 @@ OPTIONS
CPUs.
--asm-raw::
Show raw instruction encoding of assembly instructions. They
are displayed by default, disable with --no-asm-raw.
Show raw instruction encoding of assembly instructions.
--source::
Interleave source code with assembly code. Enabled by default,

17
tools/perf/Documentation/perf-report.txt
View File

@ -137,6 +137,21 @@ OPTIONS
-M::
--disassembler-style=:: Set disassembler style for objdump.
--source::
Interleave source code with assembly code. Enabled by default,
disable with --no-source.
--asm-raw::
Show raw instruction encoding of assembly instructions.
--show-total-period:: Show a column with the sum of periods.
-I::
--show-info::
Display extended information about the perf.data file. This adds
information which may be very large and thus may clutter the display.
It currently includes: cpu and numa topology of the host system.
SEE ALSO
--------
linkperf:perf-stat[1]
linkperf:perf-stat[1], linkperf:perf-annotate[1]

7
tools/perf/Documentation/perf-script.txt
View File

@ -188,6 +188,13 @@ OPTIONS
CPUs are specified with -: 0-2. Default is to report samples on all
CPUs.
-I::
--show-info::
Display extended information about the perf.data file. This adds
information which may be very large and thus may clutter the display.
It currently includes: cpu and numa topology of the host system.
It can only be used with the perf script report mode.
SEE ALSO
--------
linkperf:perf-record[1], linkperf:perf-script-perl[1],

48
tools/perf/Documentation/perf-top.txt
View File

@ -106,6 +106,51 @@ Default is to monitor all CPUS.
--zero::
Zero history across display updates.
-s::
--sort::
Sort by key(s): pid, comm, dso, symbol, parent
-n::
--show-nr-samples::
Show a column with the number of samples.
--show-total-period::
Show a column with the sum of periods.
--dsos::
Only consider symbols in these dsos.
--comms::
Only consider symbols in these comms.
--symbols::
Only consider these symbols.
-M::
--disassembler-style=:: Set disassembler style for objdump.
--source::
Interleave source code with assembly code. Enabled by default,
disable with --no-source.
--asm-raw::
Show raw instruction encoding of assembly instructions.
-G [type,min,order]::
--call-graph::
Display call chains using type, min percent threshold and order.
type can be either:
- flat: single column, linear exposure of call chains.
- graph: use a graph tree, displaying absolute overhead rates.
- fractal: like graph, but displays relative rates. Each branch of
the tree is considered as a new profiled object.
order can be either:
- callee: callee based call graph.
- caller: inverted caller based call graph.
Default: fractal,0.5,callee.
INTERACTIVE PROMPTING KEYS
--------------------------
@ -130,9 +175,6 @@ INTERACTIVE PROMPTING KEYS
[S]::
Stop annotation, return to full profile display.
[w]::
Toggle between weighted sum and individual count[E]r profile.
[z]::
Toggle event count zeroing across display updates.

4
tools/perf/Makefile
View File

@ -466,7 +466,6 @@ else
LIB_OBJS += $(OUTPUT)util/ui/browsers/annotate.o
LIB_OBJS += $(OUTPUT)util/ui/browsers/hists.o
LIB_OBJS += $(OUTPUT)util/ui/browsers/map.o
LIB_OBJS += $(OUTPUT)util/ui/browsers/top.o
LIB_OBJS += $(OUTPUT)util/ui/helpline.o
LIB_OBJS += $(OUTPUT)util/ui/progress.o
LIB_OBJS += $(OUTPUT)util/ui/util.o
@ -729,9 +728,6 @@ $(OUTPUT)util/ui/browser.o: util/ui/browser.c $(OUTPUT)PERF-CFLAGS
$(OUTPUT)util/ui/browsers/annotate.o: util/ui/browsers/annotate.c $(OUTPUT)PERF-CFLAGS
$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $<
$(OUTPUT)util/ui/browsers/top.o: util/ui/browsers/top.c $(OUTPUT)PERF-CFLAGS
$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $<
$(OUTPUT)util/ui/browsers/hists.o: util/ui/browsers/hists.c $(OUTPUT)PERF-CFLAGS
$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $<

1
tools/perf/arch/powerpc/Makefile
View File

@ -2,3 +2,4 @@ ifndef NO_DWARF
PERF_HAVE_DWARF_REGS := 1
LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/dwarf-regs.o
endif
LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/header.o

36
tools/perf/arch/powerpc/util/header.c Normal file
View File

@ -0,0 +1,36 @@
#include <sys/types.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../../util/header.h"
#define __stringify_1(x) #x
#define __stringify(x) __stringify_1(x)
#define mfspr(rn) ({unsigned long rval; \
asm volatile("mfspr %0," __stringify(rn) \
: "=r" (rval)); rval; })
#define SPRN_PVR 0x11F /* Processor Version Register */
#define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF) /* Version field */
#define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF) /* Revison field */
int
get_cpuid(char *buffer, size_t sz)
{
unsigned long pvr;
int nb;
pvr = mfspr(SPRN_PVR);
nb = snprintf(buffer, sz, "%lu,%lu$", PVR_VER(pvr), PVR_REV(pvr));
/* look for end marker to ensure the entire data fit */
if (strchr(buffer, '$')) {
buffer[nb-1] = '\0';
return 0;
}
return -1;
}

1
tools/perf/arch/x86/Makefile
View File

@ -2,3 +2,4 @@ ifndef NO_DWARF
PERF_HAVE_DWARF_REGS := 1
LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/dwarf-regs.o
endif
LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/header.o

59
tools/perf/arch/x86/util/header.c Normal file
View File

@ -0,0 +1,59 @@
#include <sys/types.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../../util/header.h"
static inline void
cpuid(unsigned int op, unsigned int *a, unsigned int *b, unsigned int *c,
unsigned int *d)
{
__asm__ __volatile__ (".byte 0x53\n\tcpuid\n\t"
"movl %%ebx, %%esi\n\t.byte 0x5b"
: "=a" (*a),
"=S" (*b),
"=c" (*c),
"=d" (*d)
: "a" (op));
}
int
get_cpuid(char *buffer, size_t sz)
{
unsigned int a, b, c, d, lvl;
int family = -1, model = -1, step = -1;
int nb;
char vendor[16];
cpuid(0, &lvl, &b, &c, &d);
strncpy(&vendor[0], (char *)(&b), 4);
strncpy(&vendor[4], (char *)(&d), 4);
strncpy(&vendor[8], (char *)(&c), 4);
vendor[12] = '\0';
if (lvl >= 1) {
cpuid(1, &a, &b, &c, &d);
family = (a >> 8) & 0xf; /* bits 11 - 8 */
model = (a >> 4) & 0xf; /* Bits 7 - 4 */
step = a & 0xf;
/* extended family */
if (family == 0xf)
family += (a >> 20) & 0xff;
/* extended model */
if (family >= 0x6)
model += ((a >> 16) & 0xf) << 4;
}
nb = snprintf(buffer, sz, "%s,%u,%u,%u$", vendor, family, model, step);
/* look for end marker to ensure the entire data fit */
if (strchr(buffer, '$')) {
buffer[nb-1] = '\0';
return 0;
}
return -1;
}

13
tools/perf/builtin-annotate.c
View File

@ -114,7 +114,8 @@ static int hist_entry__tty_annotate(struct hist_entry *he, int evidx)
print_line, full_paths, 0, 0);
}
static void hists__find_annotations(struct hists *self, int evidx)
static void hists__find_annotations(struct hists *self, int evidx,
int nr_events)
{
struct rb_node *nd = rb_first(&self->entries), *next;
int key = KEY_RIGHT;
@ -137,7 +138,8 @@ find_next:
}
if (use_browser > 0) {
key = hist_entry__tui_annotate(he, evidx);
key = hist_entry__tui_annotate(he, evidx, nr_events,
NULL, NULL, 0);
switch (key) {
case KEY_RIGHT:
next = rb_next(nd);
@ -215,7 +217,8 @@ static int __cmd_annotate(void)
total_nr_samples += nr_samples;
hists__collapse_resort(hists);
hists__output_resort(hists);
hists__find_annotations(hists, pos->idx);
hists__find_annotations(hists, pos->idx,
session->evlist->nr_entries);
}
}
@ -269,9 +272,9 @@ static const struct option options[] = {
OPT_STRING('c', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
"Look for files with symbols relative to this directory"),
OPT_BOOLEAN('0', "source", &symbol_conf.annotate_src,
OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
"Interleave source code with assembly code (default)"),
OPT_BOOLEAN('0', "asm-raw", &symbol_conf.annotate_asm_raw,
OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
"Display raw encoding of assembly instructions (default)"),
OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
"Specify disassembler style (e.g. -M intel for intel syntax)"),

2
tools/perf/builtin-diff.c
View File

@ -162,7 +162,7 @@ static int __cmd_diff(void)
hists__match(&session[0]->hists, &session[1]->hists);
hists__fprintf(&session[1]->hists, &session[0]->hists,
show_displacement, stdout);
show_displacement, true, 0, 0, stdout);
out_delete:
for (i = 0; i < 2; ++i)
perf_session__delete(session[i]);

15
tools/perf/builtin-record.c
View File

@ -529,6 +529,19 @@ static int __cmd_record(int argc, const char **argv)
if (have_tracepoints(&evsel_list->entries))
perf_header__set_feat(&session->header, HEADER_TRACE_INFO);
perf_header__set_feat(&session->header, HEADER_HOSTNAME);
perf_header__set_feat(&session->header, HEADER_OSRELEASE);
perf_header__set_feat(&session->header, HEADER_ARCH);
perf_header__set_feat(&session->header, HEADER_CPUDESC);
perf_header__set_feat(&session->header, HEADER_NRCPUS);
perf_header__set_feat(&session->header, HEADER_EVENT_DESC);
perf_header__set_feat(&session->header, HEADER_CMDLINE);
perf_header__set_feat(&session->header, HEADER_VERSION);
perf_header__set_feat(&session->header, HEADER_CPU_TOPOLOGY);
perf_header__set_feat(&session->header, HEADER_TOTAL_MEM);
perf_header__set_feat(&session->header, HEADER_NUMA_TOPOLOGY);
perf_header__set_feat(&session->header, HEADER_CPUID);
/* 512 kiB: default amount of unprivileged mlocked memory */
if (mmap_pages == UINT_MAX)
mmap_pages = (512 * 1024) / page_size;
@ -800,6 +813,8 @@ int cmd_record(int argc, const char **argv, const char *prefix __used)
int err = -ENOMEM;
struct perf_evsel *pos;
perf_header__set_cmdline(argc, argv);
evsel_list = perf_evlist__new(NULL, NULL);
if (evsel_list == NULL)
return -ENOMEM;

21
tools/perf/builtin-report.c
View File

@ -40,6 +40,7 @@ static char const *input_name = "perf.data";
static bool force, use_tui, use_stdio;
static bool hide_unresolved;
static bool dont_use_callchains;
static bool show_full_info;
static bool show_threads;
static struct perf_read_values show_threads_values;
@ -232,7 +233,7 @@ static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
const char *evname = event_name(pos);
hists__fprintf_nr_sample_events(hists, evname, stdout);
hists__fprintf(hists, NULL, false, stdout);
hists__fprintf(hists, NULL, false, true, 0, 0, stdout);
fprintf(stdout, "\n\n");
}
@ -273,6 +274,9 @@ static int __cmd_report(void)
goto out_delete;
}
if (use_browser <= 0)
perf_session__fprintf_info(session, stdout, show_full_info);
if (show_threads)
perf_read_values_init(&show_threads_values);
@ -327,9 +331,10 @@ static int __cmd_report(void)
goto out_delete;
}
if (use_browser > 0)
perf_evlist__tui_browse_hists(session->evlist, help);
else
if (use_browser > 0) {
perf_evlist__tui_browse_hists(session->evlist, help,
NULL, NULL, 0);
} else
perf_evlist__tty_browse_hists(session->evlist, help);
out_delete:
@ -484,8 +489,16 @@ static const struct option options[] = {
OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
"Look for files with symbols relative to this directory"),
OPT_STRING('c', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
OPT_BOOLEAN('I', "show-info", &show_full_info,
"Display extended information about perf.data file"),
OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
"Interleave source code with assembly code (default)"),
OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
"Display raw encoding of assembly instructions (default)"),
OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
"Specify disassembler style (e.g. -M intel for intel syntax)"),
OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
"Show a column with the sum of periods"),
OPT_END()
};

6
tools/perf/builtin-script.c
View File

@ -22,6 +22,7 @@ static u64 last_timestamp;
static u64 nr_unordered;
extern const struct option record_options[];
static bool no_callchain;
static bool show_full_info;
static const char *cpu_list;
static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
@ -1083,7 +1084,8 @@ static const struct option options[] = {
"comma separated output fields prepend with 'type:'. Valid types: hw,sw,trace,raw. Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,addr",
parse_output_fields),
OPT_STRING('c', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
OPT_BOOLEAN('I', "show-info", &show_full_info,
"display extended information from perf.data file"),
OPT_END()
};
@ -1268,6 +1270,8 @@ int cmd_script(int argc, const char **argv, const char *prefix __used)
return -1;
}
perf_session__fprintf_info(session, stdout, show_full_info);
if (!no_callchain)
symbol_conf.use_callchain = true;
else

435
tools/perf/builtin-top.c
View File

@ -5,6 +5,7 @@
* any workload, CPU or specific PID.
*
* Copyright (C) 2008, Red Hat Inc, Ingo Molnar <mingo@redhat.com>
* 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
*
* Improvements and fixes by:
*
@ -36,6 +37,7 @@
#include "util/parse-events.h"
#include "util/cpumap.h"
#include "util/xyarray.h"
#include "util/sort.h"
#include "util/debug.h"
@ -65,12 +67,8 @@
static struct perf_top top = {
.count_filter = 5,
.delay_secs = 2,
.display_weighted = -1,
.target_pid = -1,
.target_tid = -1,
.active_symbols = LIST_HEAD_INIT(top.active_symbols),
.active_symbols_lock = PTHREAD_MUTEX_INITIALIZER,
.active_symbols_cond = PTHREAD_COND_INITIALIZER,
.freq = 1000, /* 1 KHz */
};
@ -78,6 +76,12 @@ static bool system_wide = false;
static bool use_tui, use_stdio;
static bool sort_has_symbols;
static bool dont_use_callchains;
static char callchain_default_opt[] = "fractal,0.5,callee";
static int default_interval = 0;
static bool kptr_restrict_warned;
@ -85,7 +89,6 @@ static bool vmlinux_warned;
static bool inherit = false;
static int realtime_prio = 0;
static bool group = false;
static unsigned int page_size;
static unsigned int mmap_pages = 128;
static bool dump_symtab = false;
@ -93,7 +96,6 @@ static bool dump_symtab = false;
static struct winsize winsize;
static const char *sym_filter = NULL;
struct sym_entry *sym_filter_entry_sched = NULL;
static int sym_pcnt_filter = 5;
/*
@ -136,18 +138,18 @@ static void sig_winch_handler(int sig __used)
update_print_entries(&winsize);
}
static int parse_source(struct sym_entry *syme)
static int parse_source(struct hist_entry *he)
{
struct symbol *sym;
struct annotation *notes;
struct map *map;
int err = -1;
if (!syme)
if (!he || !he->ms.sym)
return -1;
sym = sym_entry__symbol(syme);
map = syme->map;
sym = he->ms.sym;
map = he->ms.map;
/*
* We can't annotate with just /proc/kallsyms
@ -175,53 +177,62 @@ static int parse_source(struct sym_entry *syme)
return err;
}
err = symbol__annotate(sym, syme->map, 0);
err = symbol__annotate(sym, map, 0);
if (err == 0) {
out_assign:
top.sym_filter_entry = syme;
top.sym_filter_entry = he;
}
pthread_mutex_unlock(&notes->lock);
return err;
}
static void __zero_source_counters(struct sym_entry *syme)
static void __zero_source_counters(struct hist_entry *he)
{
struct symbol *sym = sym_entry__symbol(syme);
struct symbol *sym = he->ms.sym;
symbol__annotate_zero_histograms(sym);
}
static void record_precise_ip(struct sym_entry *syme, struct map *map,
int counter, u64 ip)
static void record_precise_ip(struct hist_entry *he, int counter, u64 ip)
{
struct annotation *notes;
struct symbol *sym;
if (syme != top.sym_filter_entry)
if (he == NULL || he->ms.sym == NULL ||
(he != top.sym_filter_entry && use_browser != 1))
return;
sym = sym_entry__symbol(syme);
sym = he->ms.sym;
notes = symbol__annotation(sym);
if (pthread_mutex_trylock(&notes->lock))
return;
ip = map->map_ip(map, ip);
symbol__inc_addr_samples(sym, map, counter, ip);
if (notes->src == NULL &&
symbol__alloc_hist(sym, top.evlist->nr_entries) < 0) {
pthread_mutex_unlock(&notes->lock);
pr_err("Not enough memory for annotating '%s' symbol!\n",
sym->name);
sleep(1);
return;
}
ip = he->ms.map->map_ip(he->ms.map, ip);
symbol__inc_addr_samples(sym, he->ms.map, counter, ip);
pthread_mutex_unlock(&notes->lock);
}
static void show_details(struct sym_entry *syme)
static void show_details(struct hist_entry *he)
{
struct annotation *notes;
struct symbol *symbol;
int more;
if (!syme)
if (!he)
return;
symbol = sym_entry__symbol(syme);
symbol = he->ms.sym;
notes = symbol__annotation(symbol);
pthread_mutex_lock(&notes->lock);
@ -232,7 +243,7 @@ static void show_details(struct sym_entry *syme)
printf("Showing %s for %s\n", event_name(top.sym_evsel), symbol->name);
printf(" Events Pcnt (>=%d%%)\n", sym_pcnt_filter);
more = symbol__annotate_printf(symbol, syme->map, top.sym_evsel->idx,
more = symbol__annotate_printf(symbol, he->ms.map, top.sym_evsel->idx,
0, sym_pcnt_filter, top.print_entries, 4);
if (top.zero)
symbol__annotate_zero_histogram(symbol, top.sym_evsel->idx);
@ -246,21 +257,28 @@ out_unlock:
static const char CONSOLE_CLEAR[] = "";
static void __list_insert_active_sym(struct sym_entry *syme)
static struct hist_entry *
perf_session__add_hist_entry(struct perf_session *session,
struct addr_location *al,
struct perf_sample *sample,
struct perf_evsel *evsel)
{
list_add(&syme->node, &top.active_symbols);
struct hist_entry *he;
he = __hists__add_entry(&evsel->hists, al, NULL, sample->period);
if (he == NULL)
return NULL;
session->hists.stats.total_period += sample->period;
hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
return he;
}
static void print_sym_table(void)
{
char bf[160];
int printed = 0;
struct rb_node *nd;
struct sym_entry *syme;
struct rb_root tmp = RB_ROOT;
const int win_width = winsize.ws_col - 1;
int sym_width, dso_width, dso_short_width;
float sum_ksamples = perf_top__decay_samples(&top, &tmp);
puts(CONSOLE_CLEAR);
@ -276,6 +294,7 @@ static void print_sym_table(void)
color_fprintf(stdout, PERF_COLOR_RED, "WARNING:");
printf(" LOST %" PRIu64 " events, Check IO/CPU overload\n",
top.total_lost_warned);
++printed;
}
if (top.sym_filter_entry) {
@ -283,58 +302,13 @@ static void print_sym_table(void)
return;
}
perf_top__find_widths(&top, &tmp, &dso_width, &dso_short_width,
&sym_width);
if (sym_width + dso_width > winsize.ws_col - 29) {
dso_width = dso_short_width;
if (sym_width + dso_width > winsize.ws_col - 29)
sym_width = winsize.ws_col - dso_width - 29;
}
hists__collapse_resort_threaded(&top.sym_evsel->hists);
hists__output_resort_threaded(&top.sym_evsel->hists);
hists__decay_entries(&top.sym_evsel->hists);
hists__output_recalc_col_len(&top.sym_evsel->hists, winsize.ws_row - 3);
putchar('\n');
if (top.evlist->nr_entries == 1)
printf(" samples pcnt");
else
printf(" weight samples pcnt");
if (verbose)
printf(" RIP ");
printf(" %-*.*s DSO\n", sym_width, sym_width, "function");
printf(" %s _______ _____",
top.evlist->nr_entries == 1 ? " " : "______");
if (verbose)
printf(" ________________");
printf(" %-*.*s", sym_width, sym_width, graph_line);
printf(" %-*.*s", dso_width, dso_width, graph_line);
puts("\n");
for (nd = rb_first(&tmp); nd; nd = rb_next(nd)) {
struct symbol *sym;
double pcnt;
syme = rb_entry(nd, struct sym_entry, rb_node);
sym = sym_entry__symbol(syme);
if (++printed > top.print_entries ||
(int)syme->snap_count < top.count_filter)
continue;
pcnt = 100.0 - (100.0 * ((sum_ksamples - syme->snap_count) /
sum_ksamples));
if (top.evlist->nr_entries == 1 || !top.display_weighted)
printf("%20.2f ", syme->weight);
else
printf("%9.1f %10ld ", syme->weight, syme->snap_count);
percent_color_fprintf(stdout, "%4.1f%%", pcnt);
if (verbose)
printf(" %016" PRIx64, sym->start);
printf(" %-*.*s", sym_width, sym_width, sym->name);
printf(" %-*.*s\n", dso_width, dso_width,
dso_width >= syme->map->dso->long_name_len ?
syme->map->dso->long_name :
syme->map->dso->short_name);
}
hists__fprintf(&top.sym_evsel->hists, NULL, false, false,
winsize.ws_row - 4 - printed, win_width, stdout);
}
static void prompt_integer(int *target, const char *msg)
@ -372,10 +346,11 @@ static void prompt_percent(int *target, const char *msg)
*target = tmp;
}
static void prompt_symbol(struct sym_entry **target, const char *msg)
static void prompt_symbol(struct hist_entry **target, const char *msg)
{
char *buf = malloc(0), *p;
struct sym_entry *syme = *target, *n, *found = NULL;
struct hist_entry *syme = *target, *n, *found = NULL;
struct rb_node *next;
size_t dummy = 0;
/* zero counters of active symbol */
@ -392,17 +367,14 @@ static void prompt_symbol(struct sym_entry **target, const char *msg)
if (p)
*p = 0;
pthread_mutex_lock(&top.active_symbols_lock);
syme = list_entry(top.active_symbols.next, struct sym_entry, node);
pthread_mutex_unlock(&top.active_symbols_lock);
list_for_each_entry_safe_from(syme, n, &top.active_symbols, node) {
struct symbol *sym = sym_entry__symbol(syme);
if (!strcmp(buf, sym->name)) {
found = syme;
next = rb_first(&top.sym_evsel->hists.entries);
while (next) {
n = rb_entry(next, struct hist_entry, rb_node);
if (n->ms.sym && !strcmp(buf, n->ms.sym->name)) {
found = n;
break;
}
next = rb_next(&n->rb_node);
}
if (!found) {
@ -421,7 +393,7 @@ static void print_mapped_keys(void)
char *name = NULL;
if (top.sym_filter_entry) {
struct symbol *sym = sym_entry__symbol(top.sym_filter_entry);
struct symbol *sym = top.sym_filter_entry->ms.sym;
name = sym->name;
}
@ -438,9 +410,6 @@ static void print_mapped_keys(void)
fprintf(stdout, "\t[s] annotate symbol. \t(%s)\n", name?: "NULL");
fprintf(stdout, "\t[S] stop annotation.\n");
if (top.evlist->nr_entries > 1)
fprintf(stdout, "\t[w] toggle display weighted/count[E]r. \t(%d)\n", top.display_weighted ? 1 : 0);
fprintf(stdout,
"\t[K] hide kernel_symbols symbols. \t(%s)\n",
top.hide_kernel_symbols ? "yes" : "no");
@ -467,8 +436,6 @@ static int key_mapped(int c)
case 'S':
return 1;
case 'E':
case 'w':
return top.evlist->nr_entries > 1 ? 1 : 0;
default:
break;
}
@ -561,7 +528,7 @@ static void handle_keypress(int c)
if (!top.sym_filter_entry)
break;
else {
struct sym_entry *syme = top.sym_filter_entry;
struct hist_entry *syme = top.sym_filter_entry;
top.sym_filter_entry = NULL;
__zero_source_counters(syme);
@ -570,9 +537,6 @@ static void handle_keypress(int c)
case 'U':
top.hide_user_symbols = !top.hide_user_symbols;
break;
case 'w':
top.display_weighted = ~top.display_weighted;
break;
case 'z':
top.zero = !top.zero;
break;
@ -581,19 +545,29 @@ static void handle_keypress(int c)
}
}
static void perf_top__sort_new_samples(void *arg)
{
struct perf_top *t = arg;
perf_top__reset_sample_counters(t);
if (t->evlist->selected != NULL)
t->sym_evsel = t->evlist->selected;
hists__collapse_resort_threaded(&t->sym_evsel->hists);
hists__output_resort_threaded(&t->sym_evsel->hists);
hists__decay_entries(&t->sym_evsel->hists);
hists__output_recalc_col_len(&t->sym_evsel->hists, winsize.ws_row - 3);
}
static void *display_thread_tui(void *arg __used)
{
int err = 0;
pthread_mutex_lock(&top.active_symbols_lock);
while (list_empty(&top.active_symbols)) {
err = pthread_cond_wait(&top.active_symbols_cond,
&top.active_symbols_lock);
if (err)
break;
}
pthread_mutex_unlock(&top.active_symbols_lock);
if (!err)
perf_top__tui_browser(&top);
const char *help = "For a higher level overview, try: perf top --sort comm,dso";
perf_top__sort_new_samples(&top);
perf_evlist__tui_browse_hists(top.evlist, help,
perf_top__sort_new_samples,
&top, top.delay_secs);
exit_browser(0);
exit(0);
return NULL;
@ -645,9 +619,8 @@ static const char *skip_symbols[] = {
NULL
};
static int symbol_filter(struct map *map, struct symbol *sym)
static int symbol_filter(struct map *map __used, struct symbol *sym)
{
struct sym_entry *syme;
const char *name = sym->name;
int i;
@ -667,16 +640,6 @@ static int symbol_filter(struct map *map, struct symbol *sym)
strstr(name, "_text_end"))
return 1;
syme = symbol__priv(sym);
syme->map = map;
symbol__annotate_init(map, sym);
if (!top.sym_filter_entry && sym_filter && !strcmp(name, sym_filter)) {
/* schedule initial sym_filter_entry setup */
sym_filter_entry_sched = syme;
sym_filter = NULL;
}
for (i = 0; skip_symbols[i]; i++) {
if (!strcmp(skip_symbols[i], name)) {
sym->ignore = true;
@ -691,10 +654,11 @@ static void perf_event__process_sample(const union perf_event *event,
struct perf_sample *sample,
struct perf_session *session)
{
struct symbol *parent = NULL;
u64 ip = event->ip.ip;
struct sym_entry *syme;
struct addr_location al;
struct machine *machine;
int err;
u8 origin = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
++top.samples;
@ -783,46 +747,41 @@ static void perf_event__process_sample(const union perf_event *event,
sleep(5);
vmlinux_warned = true;
}
return;
}
/* let's see, whether we need to install initial sym_filter_entry */
if (sym_filter_entry_sched) {
top.sym_filter_entry = sym_filter_entry_sched;
sym_filter_entry_sched = NULL;
if (parse_source(top.sym_filter_entry) < 0) {
struct symbol *sym = sym_entry__symbol(top.sym_filter_entry);
pr_err("Can't annotate %s", sym->name);
if (top.sym_filter_entry->map->dso->symtab_type == SYMTAB__KALLSYMS) {
pr_err(": No vmlinux file was found in the path:\n");
machine__fprintf_vmlinux_path(machine, stderr);
} else
pr_err(".\n");
exit(1);
}
}
syme = symbol__priv(al.sym);
if (!al.sym->ignore) {
if (al.sym == NULL || !al.sym->ignore) {
struct perf_evsel *evsel;
struct hist_entry *he;
evsel = perf_evlist__id2evsel(top.evlist, sample->id);
assert(evsel != NULL);
syme->count[evsel->idx]++;
record_precise_ip(syme, al.map, evsel->idx, ip);
pthread_mutex_lock(&top.active_symbols_lock);
if (list_empty(&syme->node) || !syme->node.next) {
static bool first = true;
__list_insert_active_sym(syme);
if (first) {
pthread_cond_broadcast(&top.active_symbols_cond);
first = false;
if ((sort__has_parent || symbol_conf.use_callchain) &&
sample->callchain) {
err = perf_session__resolve_callchain(session, al.thread,
sample->callchain, &parent);
if (err)
return;
}
he = perf_session__add_hist_entry(session, &al, sample, evsel);
if (he == NULL) {
pr_err("Problem incrementing symbol period, skipping event\n");
return;
}
pthread_mutex_unlock(&top.active_symbols_lock);
if (symbol_conf.use_callchain) {
err = callchain_append(he->callchain, &session->callchain_cursor,
sample->period);
if (err)
return;
}
if (sort_has_symbols)
record_precise_ip(he, evsel->idx, ip);
}
return;
}
static void perf_session__mmap_read_idx(struct perf_session *self, int idx)
@ -873,7 +832,11 @@ static void start_counters(struct perf_evlist *evlist)
attr->read_format |= PERF_FORMAT_ID;
}
if (symbol_conf.use_callchain)
attr->sample_type |= PERF_SAMPLE_CALLCHAIN;
attr->mmap = 1;
attr->comm = 1;
attr->inherit = inherit;
try_again:
if (perf_evsel__open(counter, top.evlist->cpus,
@ -928,10 +891,27 @@ out_err:
exit(0);
}
static int setup_sample_type(void)
{
if (!sort_has_symbols) {
if (symbol_conf.use_callchain) {
ui__warning("Selected -g but \"sym\" not present in --sort/-s.");
return -EINVAL;
}
} else if (!dont_use_callchains && callchain_param.mode != CHAIN_NONE) {
if (callchain_register_param(&callchain_param) < 0) {
ui__warning("Can't register callchain params.\n");
return -EINVAL;
}
}
return 0;
}
static int __cmd_top(void)
{
pthread_t thread;
int ret __used;
int ret;
/*
* FIXME: perf_session__new should allow passing a O_MMAP, so that all this
* mmap reading, etc is encapsulated in it. Use O_WRONLY for now.
@ -940,6 +920,10 @@ static int __cmd_top(void)
if (top.session == NULL)
return -ENOMEM;
ret = setup_sample_type();
if (ret)
goto out_delete;
if (top.target_tid != -1)
perf_event__synthesize_thread_map(top.evlist->threads,
perf_event__process, top.session);
@ -980,6 +964,90 @@ static int __cmd_top(void)
ret = poll(top.evlist->pollfd, top.evlist->nr_fds, 100);
}
out_delete:
perf_session__delete(top.session);
top.session = NULL;
return 0;
}
static int
parse_callchain_opt(const struct option *opt __used, const char *arg,
int unset)
{
char *tok, *tok2;
char *endptr;
/*
* --no-call-graph
*/
if (unset) {
dont_use_callchains = true;
return 0;
}
symbol_conf.use_callchain = true;
if (!arg)
return 0;
tok = strtok((char *)arg, ",");
if (!tok)
return -1;
/* get the output mode */
if (!strncmp(tok, "graph", strlen(arg)))
callchain_param.mode = CHAIN_GRAPH_ABS;
else if (!strncmp(tok, "flat", strlen(arg)))
callchain_param.mode = CHAIN_FLAT;
else if (!strncmp(tok, "fractal", strlen(arg)))
callchain_param.mode = CHAIN_GRAPH_REL;
else if (!strncmp(tok, "none", strlen(arg))) {
callchain_param.mode = CHAIN_NONE;
symbol_conf.use_callchain = false;
return 0;
}
else
return -1;
/* get the min percentage */
tok = strtok(NULL, ",");
if (!tok)
goto setup;
callchain_param.min_percent = strtod(tok, &endptr);
if (tok == endptr)
return -1;
/* get the print limit */
tok2 = strtok(NULL, ",");
if (!tok2)
goto setup;
if (tok2[0] != 'c') {
callchain_param.print_limit = strtod(tok2, &endptr);
tok2 = strtok(NULL, ",");
if (!tok2)
goto setup;
}
/* get the call chain order */
if (!strcmp(tok2, "caller"))
callchain_param.order = ORDER_CALLER;
else if (!strcmp(tok2, "callee"))
callchain_param.order = ORDER_CALLEE;
else
return -1;
setup:
if (callchain_register_param(&callchain_param) < 0) {
fprintf(stderr, "Can't register callchain params\n");
return -1;
}
return 0;
}
@ -1019,7 +1087,7 @@ static const struct option options[] = {
"put the counters into a counter group"),
OPT_BOOLEAN('i', "inherit", &inherit,
"child tasks inherit counters"),
OPT_STRING('s', "sym-annotate", &sym_filter, "symbol name",
OPT_STRING(0, "sym-annotate", &sym_filter, "symbol name",
"symbol to annotate"),
OPT_BOOLEAN('z', "zero", &top.zero,
"zero history across updates"),
@ -1033,6 +1101,28 @@ static const struct option options[] = {
OPT_BOOLEAN(0, "stdio", &use_stdio, "Use the stdio interface"),
OPT_INCR('v', "verbose", &verbose,
"be more verbose (show counter open errors, etc)"),
OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
"sort by key(s): pid, comm, dso, symbol, parent"),
OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
"Show a column with the number of samples"),
OPT_CALLBACK_DEFAULT('G', "call-graph", NULL, "output_type,min_percent, call_order",
"Display callchains using output_type (graph, flat, fractal, or none), min percent threshold and callchain order. "
"Default: fractal,0.5,callee", &parse_callchain_opt,
callchain_default_opt),
OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
"Show a column with the sum of periods"),
OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
"only consider symbols in these dsos"),
OPT_STRING(0, "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
"only consider symbols in these comms"),
OPT_STRING(0, "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
"only consider these symbols"),
OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
"Interleave source code with assembly code (default)"),
OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
"Display raw encoding of assembly instructions (default)"),
OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
"Specify disassembler style (e.g. -M intel for intel syntax)"),
OPT_END()
};
@ -1045,18 +1135,16 @@ int cmd_top(int argc, const char **argv, const char *prefix __used)
if (top.evlist == NULL)
return -ENOMEM;
page_size = sysconf(_SC_PAGE_SIZE);
symbol_conf.exclude_other = false;
argc = parse_options(argc, argv, options, top_usage, 0);
if (argc)
usage_with_options(top_usage, options);
/*
* XXX For now start disabled, only using TUI if explicitely asked for.
* Change that when handle_keys equivalent gets written, live annotation
* done, etc.
*/
use_browser = 0;
if (sort_order == default_sort_order)
sort_order = "dso,symbol";
setup_sorting(top_usage, options);
if (use_stdio)
use_browser = 0;
@ -1119,13 +1207,22 @@ int cmd_top(int argc, const char **argv, const char *prefix __used)
top.sym_evsel = list_entry(top.evlist->entries.next, struct perf_evsel, node);
symbol_conf.priv_size = (sizeof(struct sym_entry) + sizeof(struct annotation) +
(top.evlist->nr_entries + 1) * sizeof(unsigned long));
symbol_conf.priv_size = sizeof(struct annotation);
symbol_conf.try_vmlinux_path = (symbol_conf.vmlinux_name == NULL);
if (symbol__init() < 0)
return -1;
sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout);
sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout);
sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout);
/*
* Avoid annotation data structures overhead when symbols aren't on the
* sort list.
*/
sort_has_symbols = sort_sym.list.next != NULL;
get_term_dimensions(&winsize);
if (top.print_entries == 0) {
update_print_entries(&winsize);

1
tools/perf/builtin.h
View File

@ -4,7 +4,6 @@
#include "util/util.h"
#include "util/strbuf.h"
extern const char perf_version_string[];
extern const char perf_usage_string[];
extern const char perf_more_info_string[];

11
tools/perf/perf.h
View File

@ -9,18 +9,21 @@ void get_term_dimensions(struct winsize *ws);
#include "../../arch/x86/include/asm/unistd.h"
#define rmb() asm volatile("lock; addl $0,0(%%esp)" ::: "memory")
#define cpu_relax() asm volatile("rep; nop" ::: "memory");
#define CPUINFO_PROC "model name"
#endif
#if defined(__x86_64__)
#include "../../arch/x86/include/asm/unistd.h"
#define rmb() asm volatile("lfence" ::: "memory")
#define cpu_relax() asm volatile("rep; nop" ::: "memory");
#define CPUINFO_PROC "model name"
#endif
#ifdef __powerpc__
#include "../../arch/powerpc/include/asm/unistd.h"
#define rmb() asm volatile ("sync" ::: "memory")
#define cpu_relax() asm volatile ("" ::: "memory");
#define CPUINFO_PROC "cpu"
#endif
#ifdef __s390__
@ -37,30 +40,35 @@ void get_term_dimensions(struct winsize *ws);
# define rmb() asm volatile("" ::: "memory")
#endif
#define cpu_relax() asm volatile("" ::: "memory")
#define CPUINFO_PROC "cpu type"
#endif
#ifdef __hppa__
#include "../../arch/parisc/include/asm/unistd.h"
#define rmb() asm volatile("" ::: "memory")
#define cpu_relax() asm volatile("" ::: "memory");
#define CPUINFO_PROC "cpu"
#endif
#ifdef __sparc__
#include "../../arch/sparc/include/asm/unistd.h"
#define rmb() asm volatile("":::"memory")
#define cpu_relax() asm volatile("":::"memory")
#define CPUINFO_PROC "cpu"
#endif
#ifdef __alpha__
#include "../../arch/alpha/include/asm/unistd.h"
#define rmb() asm volatile("mb" ::: "memory")
#define cpu_relax() asm volatile("" ::: "memory")
#define CPUINFO_PROC "cpu model"
#endif
#ifdef __ia64__
#include "../../arch/ia64/include/asm/unistd.h"
#define rmb() asm volatile ("mf" ::: "memory")
#define cpu_relax() asm volatile ("hint @pause" ::: "memory")
#define CPUINFO_PROC "model name"
#endif
#ifdef __arm__
@ -71,6 +79,7 @@ void get_term_dimensions(struct winsize *ws);
*/
#define rmb() ((void(*)(void))0xffff0fa0)()
#define cpu_relax() asm volatile("":::"memory")
#define CPUINFO_PROC "Processor"
#endif
#ifdef __mips__
@ -83,6 +92,7 @@ void get_term_dimensions(struct winsize *ws);
: /* no input */ \
: "memory")
#define cpu_relax() asm volatile("" ::: "memory")
#define CPUINFO_PROC "cpu model"
#endif
#include <time.h>
@ -171,5 +181,6 @@ struct ip_callchain {
};
extern bool perf_host, perf_guest;
extern const char perf_version_string[];
#endif

7
tools/perf/util/annotate.h
View File

@ -91,13 +91,16 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx,
#ifdef NO_NEWT_SUPPORT
static inline int symbol__tui_annotate(struct symbol *sym __used,
struct map *map __used,
int evidx __used, int refresh __used)
int evidx __used,
void(*timer)(void *arg) __used,
void *arg __used, int delay_secs __used)
{
return 0;
}
#else
int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
int refresh);
int nr_events, void(*timer)(void *arg), void *arg,
int delay_secs);
#endif
extern const char *disassembler_style;

6
tools/perf/util/evlist.c
View File

@ -533,3 +533,9 @@ bool perf_evlist__sample_id_all(const struct perf_evlist *evlist)
first = list_entry(evlist->entries.next, struct perf_evsel, node);
return first->attr.sample_id_all;
}
void perf_evlist__set_selected(struct perf_evlist *evlist,
struct perf_evsel *evsel)
{
evlist->selected = evsel;
}

4
tools/perf/util/evlist.h
View File

@ -25,6 +25,7 @@ struct perf_evlist {
struct pollfd *pollfd;
struct thread_map *threads;
struct cpu_map *cpus;
struct perf_evsel *selected;
};
struct perf_evsel;
@ -56,6 +57,9 @@ void perf_evlist__munmap(struct perf_evlist *evlist);
void perf_evlist__disable(struct perf_evlist *evlist);
void perf_evlist__enable(struct perf_evlist *evlist);
void perf_evlist__set_selected(struct perf_evlist *evlist,
struct perf_evsel *evsel);
static inline void perf_evlist__set_maps(struct perf_evlist *evlist,
struct cpu_map *cpus,
struct thread_map *threads)

1
tools/perf/util/evsel.c
View File

@ -39,6 +39,7 @@ void perf_evsel__init(struct perf_evsel *evsel,
evsel->idx = idx;
evsel->attr = *attr;
INIT_LIST_HEAD(&evsel->node);
hists__init(&evsel->hists);
}
struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx)

1147
tools/perf/util/header.c
View File

File diff suppressed because it is too large Load Diff

27
tools/perf/util/header.h
View File

@ -12,6 +12,20 @@
enum {
HEADER_TRACE_INFO = 1,
HEADER_BUILD_ID,
HEADER_HOSTNAME,
HEADER_OSRELEASE,
HEADER_VERSION,
HEADER_ARCH,
HEADER_NRCPUS,
HEADER_CPUDESC,
HEADER_CPUID,
HEADER_TOTAL_MEM,
HEADER_CMDLINE,
HEADER_EVENT_DESC,
HEADER_CPU_TOPOLOGY,
HEADER_NUMA_TOPOLOGY,
HEADER_LAST_FEATURE,
};
@ -68,10 +82,15 @@ void perf_header__set_feat(struct perf_header *header, int feat);
void perf_header__clear_feat(struct perf_header *header, int feat);
bool perf_header__has_feat(const struct perf_header *header, int feat);
int perf_header__set_cmdline(int argc, const char **argv);
int perf_header__process_sections(struct perf_header *header, int fd,
void *data,
int (*process)(struct perf_file_section *section,
struct perf_header *ph,
int feat, int fd));
int feat, int fd, void *data));
int perf_header__fprintf_info(struct perf_session *s, FILE *fp, bool full);
int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
const char *name, bool is_kallsyms);
@ -104,4 +123,10 @@ int perf_event__synthesize_build_id(struct dso *pos, u16 misc,
struct perf_session *session);
int perf_event__process_build_id(union perf_event *event,
struct perf_session *session);
/*
* arch specific callback
*/
int get_cpuid(char *buffer, size_t sz);
#endif /* __PERF_HEADER_H */

340
tools/perf/util/hist.c
View File

@ -18,56 +18,56 @@ struct callchain_param callchain_param = {
.order = ORDER_CALLEE
};
u16 hists__col_len(struct hists *self, enum hist_column col)
u16 hists__col_len(struct hists *hists, enum hist_column col)
{
return self->col_len[col];
return hists->col_len[col];
}
void hists__set_col_len(struct hists *self, enum hist_column col, u16 len)
void hists__set_col_len(struct hists *hists, enum hist_column col, u16 len)
{
self->col_len[col] = len;
hists->col_len[col] = len;
}
bool hists__new_col_len(struct hists *self, enum hist_column col, u16 len)
bool hists__new_col_len(struct hists *hists, enum hist_column col, u16 len)
{
if (len > hists__col_len(self, col)) {
hists__set_col_len(self, col, len);
if (len > hists__col_len(hists, col)) {
hists__set_col_len(hists, col, len);
return true;
}
return false;
}
static void hists__reset_col_len(struct hists *self)
static void hists__reset_col_len(struct hists *hists)
{
enum hist_column col;
for (col = 0; col < HISTC_NR_COLS; ++col)
hists__set_col_len(self, col, 0);
hists__set_col_len(hists, col, 0);
}
static void hists__calc_col_len(struct hists *self, struct hist_entry *h)
static void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
{
u16 len;
if (h->ms.sym)
hists__new_col_len(self, HISTC_SYMBOL, h->ms.sym->namelen);
hists__new_col_len(hists, HISTC_SYMBOL, h->ms.sym->namelen);
else {
const unsigned int unresolved_col_width = BITS_PER_LONG / 4;
if (hists__col_len(self, HISTC_DSO) < unresolved_col_width &&
if (hists__col_len(hists, HISTC_DSO) < unresolved_col_width &&
!symbol_conf.col_width_list_str && !symbol_conf.field_sep &&
!symbol_conf.dso_list)
hists__set_col_len(self, HISTC_DSO,
hists__set_col_len(hists, HISTC_DSO,
unresolved_col_width);
}
len = thread__comm_len(h->thread);
if (hists__new_col_len(self, HISTC_COMM, len))
hists__set_col_len(self, HISTC_THREAD, len + 6);
if (hists__new_col_len(hists, HISTC_COMM, len))
hists__set_col_len(hists, HISTC_THREAD, len + 6);
if (h->ms.map) {
len = dso__name_len(h->ms.map->dso);
hists__new_col_len(self, HISTC_DSO, len);
hists__new_col_len(hists, HISTC_DSO, len);
}
}
@ -92,6 +92,41 @@ static void hist_entry__add_cpumode_period(struct hist_entry *self,
}
}
static void hist_entry__decay(struct hist_entry *he)
{
he->period = (he->period * 7) / 8;
he->nr_events = (he->nr_events * 7) / 8;
}
static bool hists__decay_entry(struct hists *hists, struct hist_entry *he)
{
hists->stats.total_period -= he->period;
hist_entry__decay(he);
hists->stats.total_period += he->period;
return he->period == 0;
}
void hists__decay_entries(struct hists *hists)
{
struct rb_node *next = rb_first(&hists->entries);
struct hist_entry *n;
while (next) {
n = rb_entry(next, struct hist_entry, rb_node);
next = rb_next(&n->rb_node);
if (hists__decay_entry(hists, n)) {
rb_erase(&n->rb_node, &hists->entries);
if (sort__need_collapse)
rb_erase(&n->rb_node_in, &hists->entries_collapsed);
hist_entry__free(n);
--hists->nr_entries;
}
}
}
/*
* histogram, sorted on item, collects periods
*/
@ -113,11 +148,12 @@ static struct hist_entry *hist_entry__new(struct hist_entry *template)
return self;
}
static void hists__inc_nr_entries(struct hists *self, struct hist_entry *h)
static void hists__inc_nr_entries(struct hists *hists, struct hist_entry *h)
{
if (!h->filtered) {
hists__calc_col_len(self, h);
++self->nr_entries;
hists__calc_col_len(hists, h);
++hists->nr_entries;
hists->stats.total_period += h->period;
}
}
@ -128,11 +164,11 @@ static u8 symbol__parent_filter(const struct symbol *parent)
return 0;
}
struct hist_entry *__hists__add_entry(struct hists *self,
struct hist_entry *__hists__add_entry(struct hists *hists,
struct addr_location *al,
struct symbol *sym_parent, u64 period)
{
struct rb_node **p = &self->entries.rb_node;
struct rb_node **p;
struct rb_node *parent = NULL;
struct hist_entry *he;
struct hist_entry entry = {
@ -150,9 +186,13 @@ struct hist_entry *__hists__add_entry(struct hists *self,
};
int cmp;
pthread_mutex_lock(&hists->lock);
p = &hists->entries_in->rb_node;
while (*p != NULL) {
parent = *p;
he = rb_entry(parent, struct hist_entry, rb_node);
he = rb_entry(parent, struct hist_entry, rb_node_in);
cmp = hist_entry__cmp(&entry, he);
@ -170,12 +210,14 @@ struct hist_entry *__hists__add_entry(struct hists *self,
he = hist_entry__new(&entry);
if (!he)
return NULL;
rb_link_node(&he->rb_node, parent, p);
rb_insert_color(&he->rb_node, &self->entries);
hists__inc_nr_entries(self, he);
goto out_unlock;
rb_link_node(&he->rb_node_in, parent, p);
rb_insert_color(&he->rb_node_in, hists->entries_in);
out:
hist_entry__add_cpumode_period(he, al->cpumode, period);
out_unlock:
pthread_mutex_unlock(&hists->lock);
return he;
}
@ -222,7 +264,7 @@ void hist_entry__free(struct hist_entry *he)
* collapse the histogram
*/
static bool hists__collapse_insert_entry(struct hists *self,
static bool hists__collapse_insert_entry(struct hists *hists,
struct rb_root *root,
struct hist_entry *he)
{
@ -233,15 +275,16 @@ static bool hists__collapse_insert_entry(struct hists *self,
while (*p != NULL) {
parent = *p;
iter = rb_entry(parent, struct hist_entry, rb_node);
iter = rb_entry(parent, struct hist_entry, rb_node_in);
cmp = hist_entry__collapse(iter, he);
if (!cmp) {
iter->period += he->period;
iter->nr_events += he->nr_events;
if (symbol_conf.use_callchain) {
callchain_cursor_reset(&self->callchain_cursor);
callchain_merge(&self->callchain_cursor, iter->callchain,
callchain_cursor_reset(&hists->callchain_cursor);
callchain_merge(&hists->callchain_cursor, iter->callchain,
he->callchain);
}
hist_entry__free(he);
@ -254,35 +297,57 @@ static bool hists__collapse_insert_entry(struct hists *self,
p = &(*p)->rb_right;
}
rb_link_node(&he->rb_node, parent, p);
rb_insert_color(&he->rb_node, root);
rb_link_node(&he->rb_node_in, parent, p);
rb_insert_color(&he->rb_node_in, root);
return true;
}
void hists__collapse_resort(struct hists *self)
static struct rb_root *hists__get_rotate_entries_in(struct hists *hists)
{
struct rb_root tmp;
struct rb_root *root;
pthread_mutex_lock(&hists->lock);
root = hists->entries_in;
if (++hists->entries_in > &hists->entries_in_array[1])
hists->entries_in = &hists->entries_in_array[0];
pthread_mutex_unlock(&hists->lock);
return root;
}
static void __hists__collapse_resort(struct hists *hists, bool threaded)
{
struct rb_root *root;
struct rb_node *next;
struct hist_entry *n;
if (!sort__need_collapse)
if (!sort__need_collapse && !threaded)
return;
tmp = RB_ROOT;
next = rb_first(&self->entries);
self->nr_entries = 0;
hists__reset_col_len(self);
root = hists__get_rotate_entries_in(hists);
next = rb_first(root);
hists->stats.total_period = 0;
while (next) {
n = rb_entry(next, struct hist_entry, rb_node);
next = rb_next(&n->rb_node);
n = rb_entry(next, struct hist_entry, rb_node_in);
next = rb_next(&n->rb_node_in);
rb_erase(&n->rb_node, &self->entries);
if (hists__collapse_insert_entry(self, &tmp, n))
hists__inc_nr_entries(self, n);
rb_erase(&n->rb_node_in, root);
if (hists__collapse_insert_entry(hists, &hists->entries_collapsed, n))
hists__inc_nr_entries(hists, n);
}
}
self->entries = tmp;
void hists__collapse_resort(struct hists *hists)
{
return __hists__collapse_resort(hists, false);
}
void hists__collapse_resort_threaded(struct hists *hists)
{
return __hists__collapse_resort(hists, true);
}
/*
@ -315,31 +380,43 @@ static void __hists__insert_output_entry(struct rb_root *entries,
rb_insert_color(&he->rb_node, entries);
}
void hists__output_resort(struct hists *self)
static void __hists__output_resort(struct hists *hists, bool threaded)
{
struct rb_root tmp;
struct rb_root *root;
struct rb_node *next;
struct hist_entry *n;
u64 min_callchain_hits;
min_callchain_hits = self->stats.total_period * (callchain_param.min_percent / 100);
min_callchain_hits = hists->stats.total_period * (callchain_param.min_percent / 100);
tmp = RB_ROOT;
next = rb_first(&self->entries);
if (sort__need_collapse || threaded)
root = &hists->entries_collapsed;
else
root = hists->entries_in;
self->nr_entries = 0;
hists__reset_col_len(self);
next = rb_first(root);
hists->entries = RB_ROOT;
hists->nr_entries = 0;
hists__reset_col_len(hists);
while (next) {
n = rb_entry(next, struct hist_entry, rb_node);
next = rb_next(&n->rb_node);
n = rb_entry(next, struct hist_entry, rb_node_in);
next = rb_next(&n->rb_node_in);
rb_erase(&n->rb_node, &self->entries);
__hists__insert_output_entry(&tmp, n, min_callchain_hits);
hists__inc_nr_entries(self, n);
__hists__insert_output_entry(&hists->entries, n, min_callchain_hits);
hists__inc_nr_entries(hists, n);
}
}
self->entries = tmp;
void hists__output_resort(struct hists *hists)
{
return __hists__output_resort(hists, false);
}
void hists__output_resort_threaded(struct hists *hists)
{
return __hists__output_resort(hists, true);
}
static size_t callchain__fprintf_left_margin(FILE *fp, int left_margin)
@ -594,6 +671,21 @@ static size_t hist_entry_callchain__fprintf(FILE *fp, struct hist_entry *self,
return ret;
}
void hists__output_recalc_col_len(struct hists *hists, int max_rows)
{
struct rb_node *next = rb_first(&hists->entries);
struct hist_entry *n;
int row = 0;
hists__reset_col_len(hists);
while (next && row++ < max_rows) {
n = rb_entry(next, struct hist_entry, rb_node);
hists__calc_col_len(hists, n);
next = rb_next(&n->rb_node);
}
}
int hist_entry__snprintf(struct hist_entry *self, char *s, size_t size,
struct hists *hists, struct hists *pair_hists,
bool show_displacement, long displacement,
@ -664,6 +756,13 @@ int hist_entry__snprintf(struct hist_entry *self, char *s, size_t size,
ret += snprintf(s + ret, size - ret, "%11" PRIu64, nr_events);
}
if (symbol_conf.show_total_period) {
if (sep)
ret += snprintf(s + ret, size - ret, "%c%" PRIu64, *sep, period);
else
ret += snprintf(s + ret, size - ret, " %12" PRIu64, period);
}
if (pair_hists) {
char bf[32];
double old_percent = 0, new_percent = 0, diff;
@ -710,12 +809,16 @@ int hist_entry__snprintf(struct hist_entry *self, char *s, size_t size,
return ret;
}
int hist_entry__fprintf(struct hist_entry *self, struct hists *hists,
int hist_entry__fprintf(struct hist_entry *he, size_t size, struct hists *hists,
struct hists *pair_hists, bool show_displacement,
long displacement, FILE *fp, u64 session_total)
{
char bf[512];
hist_entry__snprintf(self, bf, sizeof(bf), hists, pair_hists,
if (size == 0 || size > sizeof(bf))
size = sizeof(bf);
hist_entry__snprintf(he, bf, size, hists, pair_hists,
show_displacement, displacement,
true, session_total);
return fprintf(fp, "%s\n", bf);
@ -738,8 +841,9 @@ static size_t hist_entry__fprintf_callchain(struct hist_entry *self,
left_margin);
}
size_t hists__fprintf(struct hists *self, struct hists *pair,
bool show_displacement, FILE *fp)
size_t hists__fprintf(struct hists *hists, struct hists *pair,
bool show_displacement, bool show_header, int max_rows,
int max_cols, FILE *fp)
{
struct sort_entry *se;
struct rb_node *nd;
@ -749,9 +853,13 @@ size_t hists__fprintf(struct hists *self, struct hists *pair,
unsigned int width;
const char *sep = symbol_conf.field_sep;
const char *col_width = symbol_conf.col_width_list_str;
int nr_rows = 0;
init_rem_hits();
if (!show_header)
goto print_entries;
fprintf(fp, "# %s", pair ? "Baseline" : "Overhead");
if (symbol_conf.show_nr_samples) {
@ -761,6 +869,13 @@ size_t hists__fprintf(struct hists *self, struct hists *pair,
fputs(" Samples ", fp);
}
if (symbol_conf.show_total_period) {
if (sep)
ret += fprintf(fp, "%cPeriod", *sep);
else
ret += fprintf(fp, " Period ");
}
if (symbol_conf.show_cpu_utilization) {
if (sep) {
ret += fprintf(fp, "%csys", *sep);
@ -803,18 +918,21 @@ size_t hists__fprintf(struct hists *self, struct hists *pair,
width = strlen(se->se_header);
if (symbol_conf.col_width_list_str) {
if (col_width) {
hists__set_col_len(self, se->se_width_idx,
hists__set_col_len(hists, se->se_width_idx,
atoi(col_width));
col_width = strchr(col_width, ',');
if (col_width)
++col_width;
}
}
if (!hists__new_col_len(self, se->se_width_idx, width))
width = hists__col_len(self, se->se_width_idx);
if (!hists__new_col_len(hists, se->se_width_idx, width))
width = hists__col_len(hists, se->se_width_idx);
fprintf(fp, " %*s", width, se->se_header);
}
fprintf(fp, "\n");
if (max_rows && ++nr_rows >= max_rows)
goto out;
if (sep)
goto print_entries;
@ -822,6 +940,8 @@ size_t hists__fprintf(struct hists *self, struct hists *pair,
fprintf(fp, "# ........");
if (symbol_conf.show_nr_samples)
fprintf(fp, " ..........");
if (symbol_conf.show_total_period)
fprintf(fp, " ............");
if (pair) {
fprintf(fp, " ..........");
if (show_displacement)
@ -834,17 +954,23 @@ size_t hists__fprintf(struct hists *self, struct hists *pair,
continue;
fprintf(fp, " ");
width = hists__col_len(self, se->se_width_idx);
width = hists__col_len(hists, se->se_width_idx);
if (width == 0)
width = strlen(se->se_header);
for (i = 0; i < width; i++)
fprintf(fp, ".");
}
fprintf(fp, "\n#\n");
fprintf(fp, "\n");
if (max_rows && ++nr_rows >= max_rows)
goto out;
fprintf(fp, "#\n");
if (max_rows && ++nr_rows >= max_rows)
goto out;
print_entries:
for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) {
for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
if (h->filtered)
@ -858,19 +984,22 @@ print_entries:
displacement = 0;
++position;
}
ret += hist_entry__fprintf(h, self, pair, show_displacement,
displacement, fp, self->stats.total_period);
ret += hist_entry__fprintf(h, max_cols, hists, pair, show_displacement,
displacement, fp, hists->stats.total_period);
if (symbol_conf.use_callchain)
ret += hist_entry__fprintf_callchain(h, self, fp,
self->stats.total_period);
ret += hist_entry__fprintf_callchain(h, hists, fp,
hists->stats.total_period);
if (max_rows && ++nr_rows >= max_rows)
goto out;
if (h->ms.map == NULL && verbose > 1) {
__map_groups__fprintf_maps(&h->thread->mg,
MAP__FUNCTION, verbose, fp);
fprintf(fp, "%.10s end\n", graph_dotted_line);
}
}
out:
free(rem_sq_bracket);
return ret;
@ -879,7 +1008,7 @@ print_entries:
/*
* See hists__fprintf to match the column widths
*/
unsigned int hists__sort_list_width(struct hists *self)
unsigned int hists__sort_list_width(struct hists *hists)
{
struct sort_entry *se;
int ret = 9; /* total % */
@ -896,9 +1025,12 @@ unsigned int hists__sort_list_width(struct hists *self)
if (symbol_conf.show_nr_samples)
ret += 11;
if (symbol_conf.show_total_period)
ret += 13;
list_for_each_entry(se, &hist_entry__sort_list, list)
if (!se->elide)
ret += 2 + hists__col_len(self, se->se_width_idx);
ret += 2 + hists__col_len(hists, se->se_width_idx);
if (verbose) /* Addr + origin */
ret += 3 + BITS_PER_LONG / 4;
@ -906,32 +1038,32 @@ unsigned int hists__sort_list_width(struct hists *self)
return ret;
}
static void hists__remove_entry_filter(struct hists *self, struct hist_entry *h,
static void hists__remove_entry_filter(struct hists *hists, struct hist_entry *h,
enum hist_filter filter)
{
h->filtered &= ~(1 << filter);
if (h->filtered)
return;
++self->nr_entries;
++hists->nr_entries;
if (h->ms.unfolded)
self->nr_entries += h->nr_rows;
hists->nr_entries += h->nr_rows;
h->row_offset = 0;
self->stats.total_period += h->period;
self->stats.nr_events[PERF_RECORD_SAMPLE] += h->nr_events;
hists->stats.total_period += h->period;
hists->stats.nr_events[PERF_RECORD_SAMPLE] += h->nr_events;
hists__calc_col_len(self, h);
hists__calc_col_len(hists, h);
}
void hists__filter_by_dso(struct hists *self, const struct dso *dso)
void hists__filter_by_dso(struct hists *hists, const struct dso *dso)
{
struct rb_node *nd;
self->nr_entries = self->stats.total_period = 0;
self->stats.nr_events[PERF_RECORD_SAMPLE] = 0;
hists__reset_col_len(self);
hists->nr_entries = hists->stats.total_period = 0;
hists->stats.nr_events[PERF_RECORD_SAMPLE] = 0;
hists__reset_col_len(hists);
for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) {
for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
if (symbol_conf.exclude_other && !h->parent)
@ -942,19 +1074,19 @@ void hists__filter_by_dso(struct hists *self, const struct dso *dso)
continue;
}
hists__remove_entry_filter(self, h, HIST_FILTER__DSO);
hists__remove_entry_filter(hists, h, HIST_FILTER__DSO);
}
}
void hists__filter_by_thread(struct hists *self, const struct thread *thread)
void hists__filter_by_thread(struct hists *hists, const struct thread *thread)
{
struct rb_node *nd;
self->nr_entries = self->stats.total_period = 0;
self->stats.nr_events[PERF_RECORD_SAMPLE] = 0;
hists__reset_col_len(self);
hists->nr_entries = hists->stats.total_period = 0;
hists->stats.nr_events[PERF_RECORD_SAMPLE] = 0;
hists__reset_col_len(hists);
for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) {
for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
if (thread != NULL && h->thread != thread) {
@ -962,7 +1094,7 @@ void hists__filter_by_thread(struct hists *self, const struct thread *thread)
continue;
}
hists__remove_entry_filter(self, h, HIST_FILTER__THREAD);
hists__remove_entry_filter(hists, h, HIST_FILTER__THREAD);
}
}
@ -976,13 +1108,13 @@ int hist_entry__annotate(struct hist_entry *he, size_t privsize)
return symbol__annotate(he->ms.sym, he->ms.map, privsize);
}
void hists__inc_nr_events(struct hists *self, u32 type)
void hists__inc_nr_events(struct hists *hists, u32 type)
{
++self->stats.nr_events[0];
++self->stats.nr_events[type];
++hists->stats.nr_events[0];
++hists->stats.nr_events[type];
}
size_t hists__fprintf_nr_events(struct hists *self, FILE *fp)
size_t hists__fprintf_nr_events(struct hists *hists, FILE *fp)
{
int i;
size_t ret = 0;
@ -990,7 +1122,7 @@ size_t hists__fprintf_nr_events(struct hists *self, FILE *fp)
for (i = 0; i < PERF_RECORD_HEADER_MAX; ++i) {
const char *name;
if (self->stats.nr_events[i] == 0)
if (hists->stats.nr_events[i] == 0)
continue;
name = perf_event__name(i);
@ -998,8 +1130,18 @@ size_t hists__fprintf_nr_events(struct hists *self, FILE *fp)
continue;
ret += fprintf(fp, "%16s events: %10d\n", name,
self->stats.nr_events[i]);
hists->stats.nr_events[i]);
}
return ret;
}
void hists__init(struct hists *hists)
{
memset(hists, 0, sizeof(*hists));
hists->entries_in_array[0] = hists->entries_in_array[1] = RB_ROOT;
hists->entries_in = &hists->entries_in_array[0];
hists->entries_collapsed = RB_ROOT;
hists->entries = RB_ROOT;
pthread_mutex_init(&hists->lock, NULL);
}

33
tools/perf/util/hist.h
View File

@ -2,6 +2,7 @@
#define __PERF_HIST_H
#include <linux/types.h>
#include <pthread.h>
#include "callchain.h"
extern struct callchain_param callchain_param;
@ -43,8 +44,12 @@ enum hist_column {
};
struct hists {
struct rb_root entries_in_array[2];
struct rb_root *entries_in;
struct rb_root entries;
struct rb_root entries_collapsed;
u64 nr_entries;
pthread_mutex_t lock;
struct events_stats stats;
u64 event_stream;
u16 col_len[HISTC_NR_COLS];
@ -52,14 +57,16 @@ struct hists {
struct callchain_cursor callchain_cursor;
};
void hists__init(struct hists *hists);
struct hist_entry *__hists__add_entry(struct hists *self,
struct addr_location *al,
struct symbol *parent, u64 period);
extern int64_t hist_entry__cmp(struct hist_entry *, struct hist_entry *);
extern int64_t hist_entry__collapse(struct hist_entry *, struct hist_entry *);
int hist_entry__fprintf(struct hist_entry *self, struct hists *hists,
int hist_entry__fprintf(struct hist_entry *he, size_t size, struct hists *hists,
struct hists *pair_hists, bool show_displacement,
long displacement, FILE *fp, u64 total);
long displacement, FILE *fp, u64 session_total);
int hist_entry__snprintf(struct hist_entry *self, char *bf, size_t size,
struct hists *hists, struct hists *pair_hists,
bool show_displacement, long displacement,
@ -67,13 +74,19 @@ int hist_entry__snprintf(struct hist_entry *self, char *bf, size_t size,
void hist_entry__free(struct hist_entry *);
void hists__output_resort(struct hists *self);
void hists__output_resort_threaded(struct hists *hists);
void hists__collapse_resort(struct hists *self);
void hists__collapse_resort_threaded(struct hists *hists);
void hists__decay_entries(struct hists *hists);
void hists__output_recalc_col_len(struct hists *hists, int max_rows);
void hists__inc_nr_events(struct hists *self, u32 type);
size_t hists__fprintf_nr_events(struct hists *self, FILE *fp);
size_t hists__fprintf(struct hists *self, struct hists *pair,
bool show_displacement, FILE *fp);
bool show_displacement, bool show_header,
int max_rows, int max_cols, FILE *fp);
int hist_entry__inc_addr_samples(struct hist_entry *self, int evidx, u64 addr);
int hist_entry__annotate(struct hist_entry *self, size_t privsize);
@ -90,13 +103,16 @@ struct perf_evlist;
#ifdef NO_NEWT_SUPPORT
static inline
int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __used,
const char *help __used)
const char *help __used, void(*timer)(void *arg) __used, void *arg,
int refresh __used)
{
return 0;
}
static inline int hist_entry__tui_annotate(struct hist_entry *self __used,
int evidx __used)
int evidx __used, int nr_events __used,
void(*timer)(void *arg) __used,
void *arg __used, int delay_secs __used);
{
return 0;
}
@ -104,12 +120,15 @@ static inline int hist_entry__tui_annotate(struct hist_entry *self __used,
#define KEY_RIGHT -2
#else
#include <newt.h>
int hist_entry__tui_annotate(struct hist_entry *self, int evidx);
int hist_entry__tui_annotate(struct hist_entry *he, int evidx, int nr_events,
void(*timer)(void *arg), void *arg, int delay_secs);
#define KEY_LEFT NEWT_KEY_LEFT
#define KEY_RIGHT NEWT_KEY_RIGHT
int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help);
int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help,
void(*timer)(void *arg), void *arg,
int refresh);
#endif
unsigned int hists__sort_list_width(struct hists *self);

19
tools/perf/util/session.c
View File

@ -1326,3 +1326,22 @@ int perf_session__cpu_bitmap(struct perf_session *session,
return 0;
}
void perf_session__fprintf_info(struct perf_session *session, FILE *fp,
bool full)
{
struct stat st;
int ret;
if (session == NULL || fp == NULL)
return;
ret = fstat(session->fd, &st);
if (ret == -1)
return;
fprintf(fp, "# ========\n");
fprintf(fp, "# captured on: %s", ctime(&st.st_ctime));
perf_header__fprintf_info(session, fp, full);
fprintf(fp, "# ========\n#\n");
}

1
tools/perf/util/session.h
View File

@ -177,4 +177,5 @@ void perf_session__print_ip(union perf_event *event,
int perf_session__cpu_bitmap(struct perf_session *session,
const char *cpu_list, unsigned long *cpu_bitmap);
void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
#endif /* __PERF_SESSION_H */

1
tools/perf/util/sort.h
View File

@ -45,6 +45,7 @@ extern enum sort_type sort__first_dimension;
* @nr_rows - rows expanded in callchain, recalculated on folding/unfolding
*/
struct hist_entry {
struct rb_node rb_node_in;
struct rb_node rb_node;
u64 period;
u64 period_sys;

1
tools/perf/util/symbol.c
View File

@ -46,7 +46,6 @@ struct symbol_conf symbol_conf = {
.exclude_other = true,
.use_modules = true,
.try_vmlinux_path = true,
.annotate_asm_raw = true,
.annotate_src = true,
.symfs = "",
};

1
tools/perf/util/symbol.h
View File

@ -72,6 +72,7 @@ struct symbol_conf {
use_modules,
sort_by_name,
show_nr_samples,
show_total_period,
use_callchain,
exclude_other,
show_cpu_utilization,

141
tools/perf/util/top.c
View File

@ -15,52 +15,6 @@
#include "top.h"
#include <inttypes.h>
/*
* Ordering weight: count-1 * count-2 * ... / count-n
*/
static double sym_weight(const struct sym_entry *sym, struct perf_top *top)
{
double weight = sym->snap_count;
int counter;
if (!top->display_weighted)
return weight;
for (counter = 1; counter < top->evlist->nr_entries - 1; counter++)
weight *= sym->count[counter];
weight /= (sym->count[counter] + 1);
return weight;
}
static void perf_top__remove_active_sym(struct perf_top *top, struct sym_entry *syme)
{
pthread_mutex_lock(&top->active_symbols_lock);
list_del_init(&syme->node);
pthread_mutex_unlock(&top->active_symbols_lock);
}
static void rb_insert_active_sym(struct rb_root *tree, struct sym_entry *se)
{
struct rb_node **p = &tree->rb_node;
struct rb_node *parent = NULL;
struct sym_entry *iter;
while (*p != NULL) {
parent = *p;
iter = rb_entry(parent, struct sym_entry, rb_node);
if (se->weight > iter->weight)
p = &(*p)->rb_left;
else
p = &(*p)->rb_right;
}
rb_link_node(&se->rb_node, parent, p);
rb_insert_color(&se->rb_node, tree);
}
#define SNPRINTF(buf, size, fmt, args...) \
({ \
size_t r = snprintf(buf, size, fmt, ## args); \
@ -69,7 +23,6 @@ static void rb_insert_active_sym(struct rb_root *tree, struct sym_entry *se)
size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size)
{
struct perf_evsel *counter;
float samples_per_sec = top->samples / top->delay_secs;
float ksamples_per_sec = top->kernel_samples / top->delay_secs;
float esamples_percent = (100.0 * top->exact_samples) / top->samples;
@ -104,7 +57,7 @@ size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size)
esamples_percent);
}
if (top->evlist->nr_entries == 1 || !top->display_weighted) {
if (top->evlist->nr_entries == 1) {
struct perf_evsel *first;
first = list_entry(top->evlist->entries.next, struct perf_evsel, node);
ret += SNPRINTF(bf + ret, size - ret, "%" PRIu64 "%s ",
@ -112,27 +65,7 @@ size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size)
top->freq ? "Hz" : "");
}
if (!top->display_weighted) {
ret += SNPRINTF(bf + ret, size - ret, "%s",
event_name(top->sym_evsel));
} else {
/*
* Don't let events eat all the space. Leaving 30 bytes
* for the rest should be enough.
*/
size_t last_pos = size - 30;
list_for_each_entry(counter, &top->evlist->entries, node) {
ret += SNPRINTF(bf + ret, size - ret, "%s%s",
counter->idx ? "/" : "",
event_name(counter));
if (ret > last_pos) {
sprintf(bf + last_pos - 3, "..");
ret = last_pos - 1;
break;
}
}
}
ret += SNPRINTF(bf + ret, size - ret, "%s", event_name(top->sym_evsel));
ret += SNPRINTF(bf + ret, size - ret, "], ");
@ -166,73 +99,3 @@ void perf_top__reset_sample_counters(struct perf_top *top)
top->exact_samples = top->guest_kernel_samples =
top->guest_us_samples = 0;
}
float perf_top__decay_samples(struct perf_top *top, struct rb_root *root)
{
struct sym_entry *syme, *n;
float sum_ksamples = 0.0;
int snap = !top->display_weighted ? top->sym_evsel->idx : 0, j;
/* Sort the active symbols */
pthread_mutex_lock(&top->active_symbols_lock);
syme = list_entry(top->active_symbols.next, struct sym_entry, node);
pthread_mutex_unlock(&top->active_symbols_lock);
top->rb_entries = 0;
list_for_each_entry_safe_from(syme, n, &top->active_symbols, node) {
syme->snap_count = syme->count[snap];
if (syme->snap_count != 0) {
if ((top->hide_user_symbols &&
syme->map->dso->kernel == DSO_TYPE_USER) ||
(top->hide_kernel_symbols &&
syme->map->dso->kernel == DSO_TYPE_KERNEL)) {
perf_top__remove_active_sym(top, syme);
continue;
}
syme->weight = sym_weight(syme, top);
if ((int)syme->snap_count >= top->count_filter) {
rb_insert_active_sym(root, syme);
++top->rb_entries;
}
sum_ksamples += syme->snap_count;
for (j = 0; j < top->evlist->nr_entries; j++)
syme->count[j] = top->zero ? 0 : syme->count[j] * 7 / 8;
} else
perf_top__remove_active_sym(top, syme);
}
return sum_ksamples;
}
/*
* Find the longest symbol name that will be displayed
*/
void perf_top__find_widths(struct perf_top *top, struct rb_root *root,
int *dso_width, int *dso_short_width, int *sym_width)
{
struct rb_node *nd;
int printed = 0;
*sym_width = *dso_width = *dso_short_width = 0;
for (nd = rb_first(root); nd; nd = rb_next(nd)) {
struct sym_entry *syme = rb_entry(nd, struct sym_entry, rb_node);
struct symbol *sym = sym_entry__symbol(syme);
if (++printed > top->print_entries ||
(int)syme->snap_count < top->count_filter)
continue;
if (syme->map->dso->long_name_len > *dso_width)
*dso_width = syme->map->dso->long_name_len;
if (syme->map->dso->short_name_len > *dso_short_width)
*dso_short_width = syme->map->dso->short_name_len;
if (sym->namelen > *sym_width)
*sym_width = sym->namelen;
}
}

36
tools/perf/util/top.h
View File

@ -4,64 +4,32 @@
#include "types.h"
#include "../perf.h"
#include <stddef.h>
#include <pthread.h>
#include <linux/list.h>
#include <linux/rbtree.h>
struct perf_evlist;
struct perf_evsel;
struct perf_session;
struct sym_entry {
struct rb_node rb_node;
struct list_head node;
unsigned long snap_count;
double weight;
struct map *map;
unsigned long count[0];
};
static inline struct symbol *sym_entry__symbol(struct sym_entry *self)
{
return ((void *)self) + symbol_conf.priv_size;
}
struct perf_top {
struct perf_evlist *evlist;
/*
* Symbols will be added here in perf_event__process_sample and will
* get out after decayed.
*/
struct list_head active_symbols;
pthread_mutex_t active_symbols_lock;
pthread_cond_t active_symbols_cond;
u64 samples;
u64 kernel_samples, us_samples;
u64 exact_samples;
u64 guest_us_samples, guest_kernel_samples;
u64 total_lost_warned;
int print_entries, count_filter, delay_secs;
int display_weighted, freq, rb_entries;
int freq;
pid_t target_pid, target_tid;
bool hide_kernel_symbols, hide_user_symbols, zero;
const char *cpu_list;
struct sym_entry *sym_filter_entry;
struct hist_entry *sym_filter_entry;
struct perf_evsel *sym_evsel;
struct perf_session *session;
};
size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size);
void perf_top__reset_sample_counters(struct perf_top *top);
float perf_top__decay_samples(struct perf_top *top, struct rb_root *root);
void perf_top__find_widths(struct perf_top *top, struct rb_root *root,
int *dso_width, int *dso_short_width, int *sym_width);
#ifdef NO_NEWT_SUPPORT
static inline int perf_top__tui_browser(struct perf_top *top __used)
{
return 0;
}
#else
int perf_top__tui_browser(struct perf_top *top);
#endif
#endif /* __PERF_TOP_H */

99
tools/perf/util/ui/browsers/annotate.c
View File

@ -20,6 +20,7 @@ struct annotate_browser {
struct ui_browser b;
struct rb_root entries;
struct rb_node *curr_hot;
struct objdump_line *selection;
};
struct objdump_line_rb_node {
@ -36,6 +37,7 @@ struct objdump_line_rb_node *objdump_line__rb(struct objdump_line *self)
static void annotate_browser__write(struct ui_browser *self, void *entry, int row)
{
struct annotate_browser *ab = container_of(self, struct annotate_browser, b);
struct objdump_line *ol = rb_entry(entry, struct objdump_line, node);
bool current_entry = ui_browser__is_current_entry(self, row);
int width = self->width;
@ -58,6 +60,8 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro
if (!current_entry)
ui_browser__set_color(self, HE_COLORSET_CODE);
else
ab->selection = ol;
}
static double objdump_line__calc_percent(struct objdump_line *self,
@ -141,7 +145,8 @@ static void annotate_browser__set_top(struct annotate_browser *self,
static void annotate_browser__calc_percent(struct annotate_browser *browser,
int evidx)
{
struct symbol *sym = browser->b.priv;
struct map_symbol *ms = browser->b.priv;
struct symbol *sym = ms->sym;
struct annotation *notes = symbol__annotation(sym);
struct objdump_line *pos;
@ -164,21 +169,23 @@ static void annotate_browser__calc_percent(struct annotate_browser *browser,
}
static int annotate_browser__run(struct annotate_browser *self, int evidx,
int refresh)
int nr_events, void(*timer)(void *arg),
void *arg, int delay_secs)
{
struct rb_node *nd = NULL;
struct symbol *sym = self->b.priv;
struct map_symbol *ms = self->b.priv;
struct symbol *sym = ms->sym;
/*
* RIGHT To allow builtin-annotate to cycle thru multiple symbols by
* examining the exit key for this function.
*/
int exit_keys[] = { 'H', NEWT_KEY_TAB, NEWT_KEY_UNTAB,
NEWT_KEY_RIGHT, 0 };
NEWT_KEY_RIGHT, NEWT_KEY_ENTER, 0 };
int key;
if (ui_browser__show(&self->b, sym->name,
"<-, -> or ESC: exit, TAB/shift+TAB: "
"cycle hottest lines, H: Hottest") < 0)
"<- or ESC: exit, TAB/shift+TAB: "
"cycle hottest lines, H: Hottest, -> Line action") < 0)
return -1;
ui_browser__add_exit_keys(&self->b, exit_keys);
@ -189,13 +196,13 @@ static int annotate_browser__run(struct annotate_browser *self, int evidx,
nd = self->curr_hot;
if (refresh != 0)
newtFormSetTimer(self->b.form, refresh);
if (delay_secs != 0)
newtFormSetTimer(self->b.form, delay_secs * 1000);
while (1) {
key = ui_browser__run(&self->b);
if (refresh != 0) {
if (delay_secs != 0) {
annotate_browser__calc_percent(self, evidx);
/*
* Current line focus got out of the list of most active
@ -212,7 +219,10 @@ static int annotate_browser__run(struct annotate_browser *self, int evidx,
* FIXME we need to check if it was
* es.reason == NEWT_EXIT_TIMER
*/
if (refresh != 0)
if (timer != NULL)
timer(arg);
if (delay_secs != 0)
symbol__annotate_decay_histogram(sym, evidx);
continue;
case NEWT_KEY_TAB:
@ -234,6 +244,57 @@ static int annotate_browser__run(struct annotate_browser *self, int evidx,
case 'H':
nd = self->curr_hot;
break;
case NEWT_KEY_ENTER:
case NEWT_KEY_RIGHT:
if (self->selection == NULL) {
ui_helpline__puts("Huh? No selection. Report to linux-kernel@vger.kernel.org");
continue;
}
if (self->selection->offset == -1) {
ui_helpline__puts("Actions are only available for assembly lines.");
continue;
} else {
char *s = strstr(self->selection->line, "callq ");
struct annotation *notes;
struct symbol *target;
u64 ip;
if (s == NULL) {
ui_helpline__puts("Actions are only available for the 'callq' instruction.");
continue;
}
s = strchr(s, ' ');
if (s++ == NULL) {
ui_helpline__puts("Invallid callq instruction.");
continue;
}
ip = strtoull(s, NULL, 16);
ip = ms->map->map_ip(ms->map, ip);
target = map__find_symbol(ms->map, ip, NULL);
if (target == NULL) {
ui_helpline__puts("The called function was not found.");
continue;
}
notes = symbol__annotation(target);
pthread_mutex_lock(&notes->lock);
if (notes->src == NULL &&
symbol__alloc_hist(target, nr_events) < 0) {
pthread_mutex_unlock(&notes->lock);
ui__warning("Not enough memory for annotating '%s' symbol!\n",
target->name);
continue;
}
pthread_mutex_unlock(&notes->lock);
symbol__tui_annotate(target, ms->map, evidx, nr_events,
timer, arg, delay_secs);
}
break;
default:
goto out;
}
@ -246,22 +307,29 @@ out:
return key;
}
int hist_entry__tui_annotate(struct hist_entry *he, int evidx)
int hist_entry__tui_annotate(struct hist_entry *he, int evidx, int nr_events,
void(*timer)(void *arg), void *arg, int delay_secs)
{
return symbol__tui_annotate(he->ms.sym, he->ms.map, evidx, 0);
return symbol__tui_annotate(he->ms.sym, he->ms.map, evidx, nr_events,
timer, arg, delay_secs);
}
int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
int refresh)
int nr_events, void(*timer)(void *arg), void *arg,
int delay_secs)
{
struct objdump_line *pos, *n;
struct annotation *notes;
struct map_symbol ms = {
.map = map,
.sym = sym,
};
struct annotate_browser browser = {
.b = {
.refresh = ui_browser__list_head_refresh,
.seek = ui_browser__list_head_seek,
.write = annotate_browser__write,
.priv = sym,
.priv = &ms,
},
};
int ret;
@ -293,7 +361,8 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
browser.b.entries = &notes->src->source,
browser.b.width += 18; /* Percentage */
ret = annotate_browser__run(&browser, evidx, refresh);
ret = annotate_browser__run(&browser, evidx, nr_events,
timer, arg, delay_secs);
list_for_each_entry_safe(pos, n, &notes->src->source, node) {
list_del(&pos->node);
objdump_line__free(pos);

146
tools/perf/util/ui/browsers/hists.c
View File

@ -24,8 +24,15 @@ struct hist_browser {
struct hists *hists;
struct hist_entry *he_selection;
struct map_symbol *selection;
const struct thread *thread_filter;
const struct dso *dso_filter;
bool has_symbols;
};
static int hists__browser_title(struct hists *self, char *bf, size_t size,
const char *ev_name, const struct dso *dso,
const struct thread *thread);
static void hist_browser__refresh_dimensions(struct hist_browser *self)
{
/* 3 == +/- toggle symbol before actual hist_entry rendering */
@ -290,28 +297,53 @@ static void hist_browser__set_folding(struct hist_browser *self, bool unfold)
ui_browser__reset_index(&self->b);
}
static int hist_browser__run(struct hist_browser *self, const char *title)
static int hist_browser__run(struct hist_browser *self, const char *ev_name,
void(*timer)(void *arg), void *arg, int delay_secs)
{
int key;
int exit_keys[] = { 'a', '?', 'h', 'C', 'd', 'D', 'E', 't',
NEWT_KEY_ENTER, NEWT_KEY_RIGHT, NEWT_KEY_LEFT,
NEWT_KEY_TAB, NEWT_KEY_UNTAB, 0, };
int delay_msecs = delay_secs * 1000;
char title[160];
int sym_exit_keys[] = { 'a', 'h', 'C', 'd', 'E', 't', 0, };
int exit_keys[] = { '?', 'h', 'D', NEWT_KEY_LEFT, NEWT_KEY_RIGHT,
NEWT_KEY_TAB, NEWT_KEY_UNTAB, NEWT_KEY_ENTER, 0, };
self->b.entries = &self->hists->entries;
self->b.nr_entries = self->hists->nr_entries;
hist_browser__refresh_dimensions(self);
hists__browser_title(self->hists, title, sizeof(title), ev_name,
self->dso_filter, self->thread_filter);
if (ui_browser__show(&self->b, title,
"Press '?' for help on key bindings") < 0)
return -1;
if (timer != NULL)
newtFormSetTimer(self->b.form, delay_msecs);
ui_browser__add_exit_keys(&self->b, exit_keys);
if (self->has_symbols)
ui_browser__add_exit_keys(&self->b, sym_exit_keys);
while (1) {
key = ui_browser__run(&self->b);
switch (key) {
case -1:
/* FIXME we need to check if it was es.reason == NEWT_EXIT_TIMER */
timer(arg);
/*
* The timer may have changed the number of entries.
* XXX: Find better way to keep this in synch, probably
* removing this timer function altogether and just sync
* using the hists->lock...
*/
self->b.nr_entries = self->hists->nr_entries;
hists__browser_title(self->hists, title, sizeof(title),
ev_name, self->dso_filter,
self->thread_filter);
ui_browser__show_title(&self->b, title);
continue;
case 'D': { /* Debug */
static int seq;
struct hist_entry *h = rb_entry(self->b.top,
@ -761,6 +793,7 @@ static struct hist_browser *hist_browser__new(struct hists *hists)
self->hists = hists;
self->b.refresh = hist_browser__refresh;
self->b.seek = ui_browser__hists_seek;
self->has_symbols = sort_sym.list.next != NULL;
}
return self;
@ -803,16 +836,15 @@ static int hists__browser_title(struct hists *self, char *bf, size_t size,
return printed;
}
static int perf_evsel__hists_browse(struct perf_evsel *evsel,
static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
const char *helpline, const char *ev_name,
bool left_exits)
bool left_exits,
void(*timer)(void *arg), void *arg,
int delay_secs)
{
struct hists *self = &evsel->hists;
struct hist_browser *browser = hist_browser__new(self);
struct pstack *fstack;
const struct thread *thread_filter = NULL;
const struct dso *dso_filter = NULL;
char msg[160];
int key = -1;
if (browser == NULL)
@ -824,8 +856,6 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel,
ui_helpline__push(helpline);
hists__browser_title(self, msg, sizeof(msg), ev_name,
dso_filter, thread_filter);
while (1) {
const struct thread *thread = NULL;
const struct dso *dso = NULL;
@ -834,7 +864,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel,
annotate = -2, zoom_dso = -2, zoom_thread = -2,
browse_map = -2;
key = hist_browser__run(browser, msg);
key = hist_browser__run(browser, ev_name, timer, arg, delay_secs);
if (browser->he_selection != NULL) {
thread = hist_browser__selected_thread(browser);
@ -862,16 +892,17 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel,
case NEWT_KEY_F1:
case 'h':
case '?':
ui__help_window("-> Zoom into DSO/Threads & Annotate current symbol\n"
ui__help_window("h/?/F1 Show this window\n"
"TAB/UNTAB Switch events\n"
"q/CTRL+C Exit browser\n\n"
"For symbolic views (--sort has sym):\n\n"
"-> Zoom into DSO/Threads & Annotate current symbol\n"
"<- Zoom out\n"
"a Annotate current symbol\n"
"h/?/F1 Show this window\n"
"C Collapse all callchains\n"
"E Expand all callchains\n"
"d Zoom into current DSO\n"
"t Zoom into current Thread\n"
"TAB/UNTAB Switch events\n"
"q/CTRL+C Exit browser");
"t Zoom into current Thread\n");
continue;
case NEWT_KEY_ENTER:
case NEWT_KEY_RIGHT:
@ -889,9 +920,9 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel,
continue;
}
top = pstack__pop(fstack);
if (top == &dso_filter)
if (top == &browser->dso_filter)
goto zoom_out_dso;
if (top == &thread_filter)
if (top == &browser->thread_filter)
goto zoom_out_thread;
continue;
}
@ -904,6 +935,9 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel,
goto out_free_stack;
}
if (!browser->has_symbols)
goto add_exit_option;
if (browser->selection != NULL &&
browser->selection->sym != NULL &&
!browser->selection->map->dso->annotate_warned &&
@ -913,14 +947,14 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel,
if (thread != NULL &&
asprintf(&options[nr_options], "Zoom %s %s(%d) thread",
(thread_filter ? "out of" : "into"),
(browser->thread_filter ? "out of" : "into"),
(thread->comm_set ? thread->comm : ""),
thread->pid) > 0)
zoom_thread = nr_options++;
if (dso != NULL &&
asprintf(&options[nr_options], "Zoom %s %s DSO",
(dso_filter ? "out of" : "into"),
(browser->dso_filter ? "out of" : "into"),
(dso->kernel ? "the Kernel" : dso->short_name)) > 0)
zoom_dso = nr_options++;
@ -928,7 +962,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel,
browser->selection->map != NULL &&
asprintf(&options[nr_options], "Browse map details") > 0)
browse_map = nr_options++;
add_exit_option:
options[nr_options++] = (char *)"Exit";
choice = ui__popup_menu(nr_options, options);
@ -949,45 +983,42 @@ do_annotate:
if (he == NULL)
continue;
hist_entry__tui_annotate(he, evsel->idx);
hist_entry__tui_annotate(he, evsel->idx, nr_events,
timer, arg, delay_secs);
} else if (choice == browse_map)
map__browse(browser->selection->map);
else if (choice == zoom_dso) {
zoom_dso:
if (dso_filter) {
pstack__remove(fstack, &dso_filter);
if (browser->dso_filter) {
pstack__remove(fstack, &browser->dso_filter);
zoom_out_dso:
ui_helpline__pop();
dso_filter = NULL;
browser->dso_filter = NULL;
} else {
if (dso == NULL)
continue;
ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s DSO\"",
dso->kernel ? "the Kernel" : dso->short_name);
dso_filter = dso;
pstack__push(fstack, &dso_filter);
browser->dso_filter = dso;
pstack__push(fstack, &browser->dso_filter);
}
hists__filter_by_dso(self, dso_filter);
hists__browser_title(self, msg, sizeof(msg), ev_name,
dso_filter, thread_filter);
hists__filter_by_dso(self, browser->dso_filter);
hist_browser__reset(browser);
} else if (choice == zoom_thread) {
zoom_thread:
if (thread_filter) {
pstack__remove(fstack, &thread_filter);
if (browser->thread_filter) {
pstack__remove(fstack, &browser->thread_filter);
zoom_out_thread:
ui_helpline__pop();
thread_filter = NULL;
browser->thread_filter = NULL;
} else {
ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s(%d) thread\"",
thread->comm_set ? thread->comm : "",
thread->pid);
thread_filter = thread;
pstack__push(fstack, &thread_filter);
browser->thread_filter = thread;
pstack__push(fstack, &browser->thread_filter);
}
hists__filter_by_thread(self, thread_filter);
hists__browser_title(self, msg, sizeof(msg), ev_name,
dso_filter, thread_filter);
hists__filter_by_thread(self, browser->thread_filter);
hist_browser__reset(browser);
}
}
@ -1026,9 +1057,12 @@ static void perf_evsel_menu__write(struct ui_browser *browser,
menu->selection = evsel;
}
static int perf_evsel_menu__run(struct perf_evsel_menu *menu, const char *help)
static int perf_evsel_menu__run(struct perf_evsel_menu *menu,
int nr_events, const char *help,
void(*timer)(void *arg), void *arg, int delay_secs)
{
int exit_keys[] = { NEWT_KEY_ENTER, NEWT_KEY_RIGHT, 0, };
int delay_msecs = delay_secs * 1000;
struct perf_evlist *evlist = menu->b.priv;
struct perf_evsel *pos;
const char *ev_name, *title = "Available samples";
@ -1038,20 +1072,30 @@ static int perf_evsel_menu__run(struct perf_evsel_menu *menu, const char *help)
"ESC: exit, ENTER|->: Browse histograms") < 0)
return -1;
if (timer != NULL)
newtFormSetTimer(menu->b.form, delay_msecs);
ui_browser__add_exit_keys(&menu->b, exit_keys);
while (1) {
key = ui_browser__run(&menu->b);
switch (key) {
case -1:
/* FIXME we need to check if it was es.reason == NEWT_EXIT_TIMER */
timer(arg);
continue;
case NEWT_KEY_RIGHT:
case NEWT_KEY_ENTER:
if (!menu->selection)
continue;
pos = menu->selection;
perf_evlist__set_selected(evlist, pos);
browse_hists:
ev_name = event_name(pos);
key = perf_evsel__hists_browse(pos, help, ev_name, true);
key = perf_evsel__hists_browse(pos, nr_events, help,
ev_name, true, timer,
arg, delay_secs);
ui_browser__show_title(&menu->b, title);
break;
case NEWT_KEY_LEFT:
@ -1070,12 +1114,14 @@ browse_hists:
pos = list_entry(evlist->entries.next, struct perf_evsel, node);
else
pos = list_entry(pos->node.next, struct perf_evsel, node);
perf_evlist__set_selected(evlist, pos);
goto browse_hists;
case NEWT_KEY_UNTAB:
if (pos->node.prev == &evlist->entries)
pos = list_entry(evlist->entries.prev, struct perf_evsel, node);
else
pos = list_entry(pos->node.prev, struct perf_evsel, node);
perf_evlist__set_selected(evlist, pos);
goto browse_hists;
case 'q':
case CTRL('c'):
@ -1091,7 +1137,9 @@ out:
}
static int __perf_evlist__tui_browse_hists(struct perf_evlist *evlist,
const char *help)
const char *help,
void(*timer)(void *arg), void *arg,
int delay_secs)
{
struct perf_evsel *pos;
struct perf_evsel_menu menu = {
@ -1121,18 +1169,24 @@ static int __perf_evlist__tui_browse_hists(struct perf_evlist *evlist,
pos->name = strdup(ev_name);
}
return perf_evsel_menu__run(&menu, help);
return perf_evsel_menu__run(&menu, evlist->nr_entries, help, timer,
arg, delay_secs);
}
int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help)
int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help,
void(*timer)(void *arg), void *arg,
int delay_secs)
{
if (evlist->nr_entries == 1) {
struct perf_evsel *first = list_entry(evlist->entries.next,
struct perf_evsel, node);
const char *ev_name = event_name(first);
return perf_evsel__hists_browse(first, help, ev_name, false);
return perf_evsel__hists_browse(first, evlist->nr_entries, help,
ev_name, false, timer, arg,
delay_secs);
}
return __perf_evlist__tui_browse_hists(evlist, help);
return __perf_evlist__tui_browse_hists(evlist, help,
timer, arg, delay_secs);
}

236
tools/perf/util/ui/browsers/top.c
View File

@ -1,236 +0,0 @@
/*
* Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
*
* Parts came from builtin-{top,stat,record}.c, see those files for further
* copyright notes.
*
* Released under the GPL v2. (and only v2, not any later version)
*/
#include "../browser.h"
#include "../../annotate.h"
#include "../helpline.h"
#include "../libslang.h"
#include "../util.h"
#include "../ui.h"
#include "../../evlist.h"
#include "../../hist.h"
#include "../../sort.h"
#include "../../symbol.h"
#include "../../session.h"
#include "../../top.h"
struct perf_top_browser {
struct ui_browser b;
struct rb_root root;
struct sym_entry *selection;
float sum_ksamples;
int dso_width;
int dso_short_width;
int sym_width;
};
static void perf_top_browser__write(struct ui_browser *browser, void *entry, int row)
{
struct perf_top_browser *top_browser = container_of(browser, struct perf_top_browser, b);
struct sym_entry *syme = rb_entry(entry, struct sym_entry, rb_node);
bool current_entry = ui_browser__is_current_entry(browser, row);
struct symbol *symbol = sym_entry__symbol(syme);
struct perf_top *top = browser->priv;
int width = browser->width;
double pcnt;
pcnt = 100.0 - (100.0 * ((top_browser->sum_ksamples - syme->snap_count) /
top_browser->sum_ksamples));
ui_browser__set_percent_color(browser, pcnt, current_entry);
if (top->evlist->nr_entries == 1 || !top->display_weighted) {
slsmg_printf("%20.2f ", syme->weight);
width -= 21;
} else {
slsmg_printf("%9.1f %10ld ", syme->weight, syme->snap_count);
width -= 20;
}
slsmg_printf("%4.1f%%", pcnt);
width -= 7;
if (verbose) {
slsmg_printf(" %016" PRIx64, symbol->start);
width -= 17;
}
slsmg_printf(" %-*.*s ", top_browser->sym_width, top_browser->sym_width,
symbol->name);
width -= top_browser->sym_width;
slsmg_write_nstring(width >= syme->map->dso->long_name_len ?
syme->map->dso->long_name :
syme->map->dso->short_name, width);
if (current_entry)
top_browser->selection = syme;
}
static void perf_top_browser__update_rb_tree(struct perf_top_browser *browser)
{
struct perf_top *top = browser->b.priv;
u64 top_idx = browser->b.top_idx;
browser->root = RB_ROOT;
browser->b.top = NULL;
browser->sum_ksamples = perf_top__decay_samples(top, &browser->root);
/*
* No active symbols
*/
if (top->rb_entries == 0)
return;
perf_top__find_widths(top, &browser->root, &browser->dso_width,
&browser->dso_short_width,
&browser->sym_width);
if (browser->sym_width + browser->dso_width > browser->b.width - 29) {
browser->dso_width = browser->dso_short_width;
if (browser->sym_width + browser->dso_width > browser->b.width - 29)
browser->sym_width = browser->b.width - browser->dso_width - 29;
}
/*
* Adjust the ui_browser indexes since the entries in the browser->root
* rb_tree may have changed, then seek it from start, so that we get a
* possible new top of the screen.
*/
browser->b.nr_entries = top->rb_entries;
if (top_idx >= browser->b.nr_entries) {
if (browser->b.height >= browser->b.nr_entries)
top_idx = browser->b.nr_entries - browser->b.height;
else
top_idx = 0;
}
if (browser->b.index >= top_idx + browser->b.height)
browser->b.index = top_idx + browser->b.index - browser->b.top_idx;
if (browser->b.index >= browser->b.nr_entries)
browser->b.index = browser->b.nr_entries - 1;
browser->b.top_idx = top_idx;
browser->b.seek(&browser->b, top_idx, SEEK_SET);
}
static void perf_top_browser__annotate(struct perf_top_browser *browser)
{
struct sym_entry *syme = browser->selection;
struct symbol *sym = sym_entry__symbol(syme);
struct annotation *notes = symbol__annotation(sym);
struct perf_top *top = browser->b.priv;
if (notes->src != NULL)
goto do_annotation;
pthread_mutex_lock(&notes->lock);
top->sym_filter_entry = NULL;
if (symbol__alloc_hist(sym, top->evlist->nr_entries) < 0) {
pr_err("Not enough memory for annotating '%s' symbol!\n",
sym->name);
pthread_mutex_unlock(&notes->lock);
return;
}
top->sym_filter_entry = syme;
pthread_mutex_unlock(&notes->lock);
do_annotation:
symbol__tui_annotate(sym, syme->map, 0, top->delay_secs * 1000);
}
static void perf_top_browser__warn_lost(struct perf_top_browser *browser)
{
struct perf_top *top = browser->b.priv;
char msg[128];
int len;
top->total_lost_warned = top->session->hists.stats.total_lost;
pthread_mutex_lock(&ui__lock);
ui_browser__set_color(&browser->b, HE_COLORSET_TOP);
len = snprintf(msg, sizeof(msg),
" WARNING: LOST %" PRIu64 " events, Check IO/CPU overload",
top->total_lost_warned);
if (len > browser->b.width)
len = browser->b.width;
SLsmg_gotorc(0, browser->b.width - len);
slsmg_write_nstring(msg, len);
pthread_mutex_unlock(&ui__lock);
}
static int perf_top_browser__run(struct perf_top_browser *browser)
{
int key;
char title[160];
struct perf_top *top = browser->b.priv;
int delay_msecs = top->delay_secs * 1000;
int exit_keys[] = { 'a', NEWT_KEY_ENTER, NEWT_KEY_RIGHT, 0, };
perf_top_browser__update_rb_tree(browser);
perf_top__header_snprintf(top, title, sizeof(title));
perf_top__reset_sample_counters(top);
if (ui_browser__show(&browser->b, title,
"ESC: exit, ENTER|->|a: Live Annotate") < 0)
return -1;
newtFormSetTimer(browser->b.form, delay_msecs);
ui_browser__add_exit_keys(&browser->b, exit_keys);
while (1) {
key = ui_browser__run(&browser->b);
switch (key) {
case -1:
/* FIXME we need to check if it was es.reason == NEWT_EXIT_TIMER */
perf_top_browser__update_rb_tree(browser);
perf_top__header_snprintf(top, title, sizeof(title));
perf_top__reset_sample_counters(top);
ui_browser__set_color(&browser->b, NEWT_COLORSET_ROOT);
SLsmg_gotorc(0, 0);
slsmg_write_nstring(title, browser->b.width);
if (top->total_lost_warned != top->session->hists.stats.total_lost)
perf_top_browser__warn_lost(browser);
break;
case 'a':
case NEWT_KEY_RIGHT:
case NEWT_KEY_ENTER:
if (browser->selection)
perf_top_browser__annotate(browser);
break;
case NEWT_KEY_LEFT:
continue;
case NEWT_KEY_ESCAPE:
if (!ui__dialog_yesno("Do you really want to exit?"))
continue;
/* Fall thru */
default:
goto out;
}
}
out:
ui_browser__hide(&browser->b);
return key;
}
int perf_top__tui_browser(struct perf_top *top)
{
struct perf_top_browser browser = {
.b = {
.entries = &browser.root,
.refresh = ui_browser__rb_tree_refresh,
.seek = ui_browser__rb_tree_seek,
.write = perf_top_browser__write,
.priv = top,
},
};
return perf_top_browser__run(&browser);
}