2009-06-03 05:37:05 +08:00
|
|
|
/*
|
|
|
|
* builtin-report.c
|
|
|
|
*
|
|
|
|
* Builtin report command: Analyze the perf.data input file,
|
|
|
|
* look up and read DSOs and symbol information and display
|
|
|
|
* a histogram of results, along various sorting keys.
|
|
|
|
*/
|
2009-05-27 15:10:38 +08:00
|
|
|
#include "builtin.h"
|
2009-05-26 15:17:18 +08:00
|
|
|
|
2009-06-03 05:37:05 +08:00
|
|
|
#include "util/util.h"
|
|
|
|
|
2009-06-04 21:19:47 +08:00
|
|
|
#include "util/color.h"
|
2009-07-02 01:46:08 +08:00
|
|
|
#include <linux/list.h>
|
2009-05-27 15:50:13 +08:00
|
|
|
#include "util/cache.h"
|
2009-07-01 23:28:37 +08:00
|
|
|
#include <linux/rbtree.h>
|
2009-05-29 01:55:04 +08:00
|
|
|
#include "util/symbol.h"
|
2009-06-02 04:50:19 +08:00
|
|
|
#include "util/string.h"
|
2009-06-26 22:28:01 +08:00
|
|
|
#include "util/callchain.h"
|
2009-07-01 06:01:20 +08:00
|
|
|
#include "util/strlist.h"
|
2009-08-07 19:55:24 +08:00
|
|
|
#include "util/values.h"
|
2009-05-18 23:45:42 +08:00
|
|
|
|
2009-05-26 15:17:18 +08:00
|
|
|
#include "perf.h"
|
2009-08-17 04:05:48 +08:00
|
|
|
#include "util/debug.h"
|
2009-06-25 23:05:54 +08:00
|
|
|
#include "util/header.h"
|
2009-12-12 07:24:02 +08:00
|
|
|
#include "util/session.h"
|
2009-05-26 15:17:18 +08:00
|
|
|
|
|
|
|
#include "util/parse-options.h"
|
|
|
|
#include "util/parse-events.h"
|
|
|
|
|
2009-08-14 18:21:53 +08:00
|
|
|
#include "util/thread.h"
|
2009-09-25 00:02:49 +08:00
|
|
|
#include "util/sort.h"
|
2009-09-28 21:32:55 +08:00
|
|
|
#include "util/hist.h"
|
2009-08-14 18:21:53 +08:00
|
|
|
|
2009-05-27 15:33:18 +08:00
|
|
|
static char const *input_name = "perf.data";
|
2009-06-04 20:13:04 +08:00
|
|
|
|
2009-08-19 17:18:26 +08:00
|
|
|
static int force;
|
2009-05-27 00:48:58 +08:00
|
|
|
|
2009-08-07 19:55:24 +08:00
|
|
|
static int show_threads;
|
|
|
|
static struct perf_read_values show_threads_values;
|
|
|
|
|
2009-08-10 21:26:32 +08:00
|
|
|
static char default_pretty_printing_style[] = "normal";
|
|
|
|
static char *pretty_printing_style = default_pretty_printing_style;
|
|
|
|
|
2009-07-05 13:39:21 +08:00
|
|
|
static char callchain_default_opt[] = "fractal,0.5";
|
|
|
|
|
2009-12-14 23:10:39 +08:00
|
|
|
static int perf_session__add_hist_entry(struct perf_session *self,
|
|
|
|
struct addr_location *al,
|
|
|
|
struct ip_callchain *chain, u64 count)
|
2009-05-18 23:45:42 +08:00
|
|
|
{
|
2009-10-03 21:42:45 +08:00
|
|
|
struct symbol **syms = NULL, *parent = NULL;
|
|
|
|
bool hit;
|
2009-05-28 02:20:24 +08:00
|
|
|
struct hist_entry *he;
|
|
|
|
|
2009-12-16 06:04:42 +08:00
|
|
|
if ((sort__has_parent || symbol_conf.use_callchain) && chain)
|
2009-12-15 00:22:59 +08:00
|
|
|
syms = perf_session__resolve_callchain(self, al->thread,
|
|
|
|
chain, &parent);
|
2009-12-14 23:10:39 +08:00
|
|
|
he = __perf_session__add_hist_entry(self, al, parent, count, &hit);
|
2009-10-03 21:42:45 +08:00
|
|
|
if (he == NULL)
|
|
|
|
return -ENOMEM;
|
2009-05-28 02:20:24 +08:00
|
|
|
|
2009-10-03 21:42:45 +08:00
|
|
|
if (hit)
|
|
|
|
he->count += count;
|
2009-05-28 02:20:24 +08:00
|
|
|
|
2009-12-16 06:04:42 +08:00
|
|
|
if (symbol_conf.use_callchain) {
|
2009-10-03 21:42:45 +08:00
|
|
|
if (!hit)
|
|
|
|
callchain_init(&he->callchain);
|
2009-07-01 11:35:14 +08:00
|
|
|
append_chain(&he->callchain, chain, syms);
|
|
|
|
free(syms);
|
2009-06-26 22:28:01 +08:00
|
|
|
}
|
2009-05-28 02:20:24 +08:00
|
|
|
|
|
|
|
return 0;
|
2009-05-18 23:45:42 +08:00
|
|
|
}
|
|
|
|
|
2009-06-19 04:20:45 +08:00
|
|
|
static int validate_chain(struct ip_callchain *chain, event_t *event)
|
2009-06-18 14:00:17 +08:00
|
|
|
{
|
|
|
|
unsigned int chain_size;
|
|
|
|
|
|
|
|
chain_size = event->header.size;
|
|
|
|
chain_size -= (unsigned long)&event->ip.__more_data - (unsigned long)event;
|
|
|
|
|
perf_counter tools: Define and use our own u64, s64 etc. definitions
On 64-bit powerpc, __u64 is defined to be unsigned long rather than
unsigned long long. This causes compiler warnings every time we
print a __u64 value with %Lx.
Rather than changing __u64, we define our own u64 to be unsigned long
long on all architectures, and similarly s64 as signed long long.
For consistency we also define u32, s32, u16, s16, u8 and s8. These
definitions are put in a new header, types.h, because these definitions
are needed in util/string.h and util/symbol.h.
The main change here is the mechanical change of __[us]{64,32,16,8}
to remove the "__". The other changes are:
* Create types.h
* Include types.h in perf.h, util/string.h and util/symbol.h
* Add types.h to the LIB_H definition in Makefile
* Added (u64) casts in process_overflow_event() and print_sym_table()
to kill two remaining warnings.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: benh@kernel.crashing.org
LKML-Reference: <19003.33494.495844.956580@cargo.ozlabs.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-06-19 20:21:42 +08:00
|
|
|
if (chain->nr*sizeof(u64) > chain_size)
|
2009-06-18 14:00:17 +08:00
|
|
|
return -1;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2009-12-14 05:50:28 +08:00
|
|
|
static int process_sample_event(event_t *event, struct perf_session *session)
|
2009-06-04 05:14:49 +08:00
|
|
|
{
|
2009-12-16 06:04:41 +08:00
|
|
|
struct sample_data data = { .period = 1, };
|
perf tools: Consolidate symbol resolving across all tools
Now we have a very high level routine for simple tools to
process IP sample events:
int event__preprocess_sample(const event_t *self,
struct addr_location *al,
symbol_filter_t filter)
It receives the event itself and will insert new threads in the
global threads list and resolve the map and symbol, filling all
this info into the new addr_location struct, so that tools like
annotate and report can further process the event by creating
hist_entries in their specific way (with or without callgraphs,
etc).
It in turn uses the new next layer function:
void thread__find_addr_location(struct thread *self, u8 cpumode,
enum map_type type, u64 addr,
struct addr_location *al,
symbol_filter_t filter)
This one will, given a thread (userspace or the kernel kthread
one), will find the given type (MAP__FUNCTION now, MAP__VARIABLE
too in the near future) at the given cpumode, taking vdsos into
account (userspace hit, but kernel symbol) and will fill all
these details in the addr_location given.
Tools that need a more compact API for plain function
resolution, like 'kmem', can use this other one:
struct symbol *thread__find_function(struct thread *self, u64 addr,
symbol_filter_t filter)
So, to resolve a kernel symbol, that is all the 'kmem' tool
needs, its just a matter of calling:
sym = thread__find_function(kthread, addr, NULL);
The 'filter' parameter is needed because we do lazy
parsing/loading of ELF symtabs or /proc/kallsyms.
With this we remove more code duplication all around, which is
always good, huh? :-)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: John Kacur <jkacur@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1259346563-12568-12-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-11-28 02:29:23 +08:00
|
|
|
struct addr_location al;
|
2009-12-06 19:08:24 +08:00
|
|
|
|
2009-12-15 00:23:00 +08:00
|
|
|
event__parse_sample(event, session->sample_type, &data);
|
2009-06-11 03:45:22 +08:00
|
|
|
|
2009-11-28 02:29:22 +08:00
|
|
|
dump_printf("(IP, %d): %d/%d: %p period: %Ld\n",
|
2009-06-04 05:14:49 +08:00
|
|
|
event->header.misc,
|
2009-12-06 19:08:24 +08:00
|
|
|
data.pid, data.tid,
|
|
|
|
(void *)(long)data.ip,
|
|
|
|
(long long)data.period);
|
2009-06-04 05:14:49 +08:00
|
|
|
|
2009-12-15 00:23:00 +08:00
|
|
|
if (session->sample_type & PERF_SAMPLE_CALLCHAIN) {
|
2009-07-01 18:37:06 +08:00
|
|
|
unsigned int i;
|
2009-06-14 21:04:15 +08:00
|
|
|
|
2009-12-06 19:08:24 +08:00
|
|
|
dump_printf("... chain: nr:%Lu\n", data.callchain->nr);
|
2009-06-14 21:04:15 +08:00
|
|
|
|
2009-12-06 19:08:24 +08:00
|
|
|
if (validate_chain(data.callchain, event) < 0) {
|
2009-10-22 03:34:06 +08:00
|
|
|
pr_debug("call-chain problem with event, "
|
|
|
|
"skipping it.\n");
|
2009-06-18 14:00:17 +08:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (dump_trace) {
|
2009-12-06 19:08:24 +08:00
|
|
|
for (i = 0; i < data.callchain->nr; i++)
|
|
|
|
dump_printf("..... %2d: %016Lx\n",
|
|
|
|
i, data.callchain->ips[i]);
|
2009-06-14 21:04:15 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2009-12-16 06:04:41 +08:00
|
|
|
if (event__preprocess_sample(event, session, &al, NULL) < 0) {
|
|
|
|
fprintf(stderr, "problem processing %d event, skipping it.\n",
|
2009-06-04 05:14:49 +08:00
|
|
|
event->header.type);
|
|
|
|
return -1;
|
|
|
|
}
|
2009-05-28 02:20:24 +08:00
|
|
|
|
2009-12-16 06:04:41 +08:00
|
|
|
if (al.filtered)
|
2009-10-04 07:30:48 +08:00
|
|
|
return 0;
|
2009-07-01 06:01:22 +08:00
|
|
|
|
2009-12-14 23:10:39 +08:00
|
|
|
if (perf_session__add_hist_entry(session, &al, data.callchain, data.period)) {
|
2009-10-22 03:34:06 +08:00
|
|
|
pr_debug("problem incrementing symbol count, skipping event\n");
|
2009-10-04 07:30:48 +08:00
|
|
|
return -1;
|
2009-05-18 23:45:42 +08:00
|
|
|
}
|
2009-10-04 07:30:48 +08:00
|
|
|
|
2009-12-15 01:06:01 +08:00
|
|
|
session->events_stats.total += data.period;
|
2009-06-04 05:14:49 +08:00
|
|
|
return 0;
|
|
|
|
}
|
2009-06-03 15:38:58 +08:00
|
|
|
|
2009-12-14 05:50:24 +08:00
|
|
|
static int process_read_event(event_t *event, struct perf_session *session __used)
|
2009-06-25 04:46:04 +08:00
|
|
|
{
|
perf: Do the big rename: Performance Counters -> Performance Events
Bye-bye Performance Counters, welcome Performance Events!
In the past few months the perfcounters subsystem has grown out its
initial role of counting hardware events, and has become (and is
becoming) a much broader generic event enumeration, reporting, logging,
monitoring, analysis facility.
Naming its core object 'perf_counter' and naming the subsystem
'perfcounters' has become more and more of a misnomer. With pending
code like hw-breakpoints support the 'counter' name is less and
less appropriate.
All in one, we've decided to rename the subsystem to 'performance
events' and to propagate this rename through all fields, variables
and API names. (in an ABI compatible fashion)
The word 'event' is also a bit shorter than 'counter' - which makes
it slightly more convenient to write/handle as well.
Thanks goes to Stephane Eranian who first observed this misnomer and
suggested a rename.
User-space tooling and ABI compatibility is not affected - this patch
should be function-invariant. (Also, defconfigs were not touched to
keep the size down.)
This patch has been generated via the following script:
FILES=$(find * -type f | grep -vE 'oprofile|[^K]config')
sed -i \
-e 's/PERF_EVENT_/PERF_RECORD_/g' \
-e 's/PERF_COUNTER/PERF_EVENT/g' \
-e 's/perf_counter/perf_event/g' \
-e 's/nb_counters/nb_events/g' \
-e 's/swcounter/swevent/g' \
-e 's/tpcounter_event/tp_event/g' \
$FILES
for N in $(find . -name perf_counter.[ch]); do
M=$(echo $N | sed 's/perf_counter/perf_event/g')
mv $N $M
done
FILES=$(find . -name perf_event.*)
sed -i \
-e 's/COUNTER_MASK/REG_MASK/g' \
-e 's/COUNTER/EVENT/g' \
-e 's/\<event\>/event_id/g' \
-e 's/counter/event/g' \
-e 's/Counter/Event/g' \
$FILES
... to keep it as correct as possible. This script can also be
used by anyone who has pending perfcounters patches - it converts
a Linux kernel tree over to the new naming. We tried to time this
change to the point in time where the amount of pending patches
is the smallest: the end of the merge window.
Namespace clashes were fixed up in a preparatory patch - and some
stylistic fallout will be fixed up in a subsequent patch.
( NOTE: 'counters' are still the proper terminology when we deal
with hardware registers - and these sed scripts are a bit
over-eager in renaming them. I've undone some of that, but
in case there's something left where 'counter' would be
better than 'event' we can undo that on an individual basis
instead of touching an otherwise nicely automated patch. )
Suggested-by: Stephane Eranian <eranian@google.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Paul Mackerras <paulus@samba.org>
Reviewed-by: Arjan van de Ven <arjan@linux.intel.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: <linux-arch@vger.kernel.org>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-09-21 18:02:48 +08:00
|
|
|
struct perf_event_attr *attr;
|
2009-08-17 02:56:37 +08:00
|
|
|
|
2009-12-12 07:24:02 +08:00
|
|
|
attr = perf_header__find_attr(event->read.id, &session->header);
|
2009-08-07 01:40:28 +08:00
|
|
|
|
2009-08-07 19:55:24 +08:00
|
|
|
if (show_threads) {
|
2009-08-15 18:26:57 +08:00
|
|
|
const char *name = attr ? __event_name(attr->type, attr->config)
|
2009-08-07 19:55:24 +08:00
|
|
|
: "unknown";
|
|
|
|
perf_read_values_add_value(&show_threads_values,
|
|
|
|
event->read.pid, event->read.tid,
|
|
|
|
event->read.id,
|
|
|
|
name,
|
|
|
|
event->read.value);
|
|
|
|
}
|
|
|
|
|
2009-11-28 02:29:22 +08:00
|
|
|
dump_printf(": %d %d %s %Lu\n", event->read.pid, event->read.tid,
|
|
|
|
attr ? __event_name(attr->type, attr->config) : "FAIL",
|
|
|
|
event->read.value);
|
2009-06-25 04:46:04 +08:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2009-12-15 00:23:00 +08:00
|
|
|
static int sample_type_check(struct perf_session *session)
|
2009-06-04 05:14:49 +08:00
|
|
|
{
|
2009-12-15 00:23:00 +08:00
|
|
|
if (!(session->sample_type & PERF_SAMPLE_CALLCHAIN)) {
|
2009-07-05 13:39:17 +08:00
|
|
|
if (sort__has_parent) {
|
|
|
|
fprintf(stderr, "selected --sort parent, but no"
|
|
|
|
" callchain data. Did you call"
|
|
|
|
" perf record without -g?\n");
|
2009-10-07 18:47:31 +08:00
|
|
|
return -1;
|
2009-07-05 13:39:17 +08:00
|
|
|
}
|
2009-12-16 06:04:42 +08:00
|
|
|
if (symbol_conf.use_callchain) {
|
2009-08-18 05:07:48 +08:00
|
|
|
fprintf(stderr, "selected -g but no callchain data."
|
2009-07-05 13:39:17 +08:00
|
|
|
" Did you call perf record without"
|
|
|
|
" -g?\n");
|
2009-10-07 18:47:31 +08:00
|
|
|
return -1;
|
2009-07-05 13:39:17 +08:00
|
|
|
}
|
2009-12-16 06:04:42 +08:00
|
|
|
} else if (callchain_param.mode != CHAIN_NONE && !symbol_conf.use_callchain) {
|
|
|
|
symbol_conf.use_callchain = true;
|
2009-08-08 08:16:24 +08:00
|
|
|
if (register_callchain_param(&callchain_param) < 0) {
|
|
|
|
fprintf(stderr, "Can't register callchain"
|
|
|
|
" params\n");
|
2009-10-07 18:47:31 +08:00
|
|
|
return -1;
|
2009-08-08 08:16:24 +08:00
|
|
|
}
|
2009-06-19 05:22:55 +08:00
|
|
|
}
|
|
|
|
|
2009-10-07 18:47:31 +08:00
|
|
|
return 0;
|
|
|
|
}
|
2009-05-27 02:51:47 +08:00
|
|
|
|
2009-12-14 05:50:25 +08:00
|
|
|
static struct perf_event_ops event_ops = {
|
2009-10-07 18:47:31 +08:00
|
|
|
.process_sample_event = process_sample_event,
|
2009-11-28 02:29:22 +08:00
|
|
|
.process_mmap_event = event__process_mmap,
|
2009-12-16 22:27:11 +08:00
|
|
|
.process_comm_event = event__process_comm,
|
2009-11-28 02:29:22 +08:00
|
|
|
.process_exit_event = event__process_task,
|
|
|
|
.process_fork_event = event__process_task,
|
|
|
|
.process_lost_event = event__process_lost,
|
2009-10-07 18:47:31 +08:00
|
|
|
.process_read_event = process_read_event,
|
|
|
|
.sample_type_check = sample_type_check,
|
|
|
|
};
|
2009-05-27 02:51:47 +08:00
|
|
|
|
|
|
|
|
2009-10-07 18:47:31 +08:00
|
|
|
static int __cmd_report(void)
|
|
|
|
{
|
|
|
|
int ret;
|
2009-12-14 05:50:24 +08:00
|
|
|
struct perf_session *session;
|
2009-05-18 23:45:42 +08:00
|
|
|
|
2009-12-16 06:04:39 +08:00
|
|
|
session = perf_session__new(input_name, O_RDONLY, force);
|
2009-12-12 07:24:02 +08:00
|
|
|
if (session == NULL)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
2009-10-07 18:47:31 +08:00
|
|
|
if (show_threads)
|
|
|
|
perf_read_values_init(&show_threads_values);
|
2009-06-19 05:22:55 +08:00
|
|
|
|
2009-12-14 05:50:27 +08:00
|
|
|
ret = perf_session__process_events(session, &event_ops);
|
2009-10-07 18:47:31 +08:00
|
|
|
if (ret)
|
2009-12-12 07:24:02 +08:00
|
|
|
goto out_delete;
|
2009-05-27 00:48:58 +08:00
|
|
|
|
2009-11-28 02:29:22 +08:00
|
|
|
if (dump_trace) {
|
|
|
|
event__print_totals();
|
2009-12-12 07:24:02 +08:00
|
|
|
goto out_delete;
|
2009-11-28 02:29:22 +08:00
|
|
|
}
|
2009-05-27 00:48:58 +08:00
|
|
|
|
2009-10-07 21:49:00 +08:00
|
|
|
if (verbose > 3)
|
2009-12-14 05:50:28 +08:00
|
|
|
perf_session__fprintf(session, stdout);
|
2009-06-05 00:54:00 +08:00
|
|
|
|
2009-10-07 21:49:00 +08:00
|
|
|
if (verbose > 2)
|
2009-05-27 15:10:38 +08:00
|
|
|
dsos__fprintf(stdout);
|
|
|
|
|
2009-12-14 23:10:39 +08:00
|
|
|
perf_session__collapse_resort(session);
|
2009-12-15 01:06:01 +08:00
|
|
|
perf_session__output_resort(session, session->events_stats.total);
|
2009-12-18 23:03:03 +08:00
|
|
|
fprintf(stdout, "# Samples: %Ld\n#\n", session->events_stats.total);
|
perf diff: Use perf_session__fprintf_hists just like 'perf record'
That means that almost everything you can do with 'perf report'
can be done with 'perf diff', for instance:
$ perf record -f find / > /dev/null
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.062 MB perf.data (~2699
samples) ] $ perf record -f find / > /dev/null
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.062 MB perf.data (~2687
samples) ] perf diff | head -8
9.02% +1.00% find libc-2.10.1.so [.] _IO_vfprintf_internal
2.91% -1.00% find [kernel] [k] __kmalloc
2.85% -1.00% find [kernel] [k] ext4_htree_store_dirent
1.99% -1.00% find [kernel] [k] _atomic_dec_and_lock
2.44% find [kernel] [k] half_md4_transform
$
So if you want to zoom into libc:
$ perf diff --dsos libc-2.10.1.so | head -8
37.34% find [.] _IO_vfprintf_internal
10.34% find [.] __GI_memmove
8.25% +2.00% find [.] _int_malloc
5.07% -1.00% find [.] __GI_mempcpy
7.62% +2.00% find [.] _int_free
$
And if there were multiple commands using libc, it is also
possible to aggregate them all by using --sort symbol:
$ perf diff --dsos libc-2.10.1.so --sort symbol | head -8
37.34% [.] _IO_vfprintf_internal
10.34% [.] __GI_memmove
8.25% +2.00% [.] _int_malloc
5.07% -1.00% [.] __GI_mempcpy
7.62% +2.00% [.] _int_free
$
The displacement column now is off by default, to use it:
perf diff -m --dsos libc-2.10.1.so --sort symbol | head -8
37.34% [.] _IO_vfprintf_internal
10.34% [.] __GI_memmove
8.25% +2.00% [.] _int_malloc
5.07% -1.00% +2 [.] __GI_mempcpy
7.62% +2.00% -1 [.] _int_free
$
Using -t/--field-separator can be used for scripting:
$ perf diff -t, -m --dsos libc-2.10.1.so --sort symbol | head -8
37.34, , ,[.] _IO_vfprintf_internal
10.34, , ,[.] __GI_memmove
8.25,+2.00%, ,[.] _int_malloc
5.07,-1.00%, +2,[.] __GI_mempcpy
7.62,+2.00%, -1,[.] _int_free
6.99,+1.00%, -1,[.] _IO_new_file_xsputn
1.89,-2.00%, +4,[.] __readdir64
$
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1260978567-550-1-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-12-16 23:49:27 +08:00
|
|
|
perf_session__fprintf_hists(session, NULL, false, stdout);
|
2009-12-16 22:27:10 +08:00
|
|
|
if (sort_order == default_sort_order &&
|
|
|
|
parent_pattern == default_parent_pattern)
|
|
|
|
fprintf(stdout, "#\n# (For a higher level overview, try: perf report --sort comm,dso)\n#\n");
|
|
|
|
|
2009-12-16 06:04:42 +08:00
|
|
|
if (show_threads) {
|
|
|
|
bool raw_printing_style = !strcmp(pretty_printing_style, "raw");
|
|
|
|
perf_read_values_display(stdout, &show_threads_values,
|
|
|
|
raw_printing_style);
|
2009-08-07 19:55:24 +08:00
|
|
|
perf_read_values_destroy(&show_threads_values);
|
2009-12-16 06:04:42 +08:00
|
|
|
}
|
2009-12-12 07:24:02 +08:00
|
|
|
out_delete:
|
|
|
|
perf_session__delete(session);
|
2009-10-07 18:47:31 +08:00
|
|
|
return ret;
|
2009-05-18 23:45:42 +08:00
|
|
|
}
|
|
|
|
|
2009-07-02 23:58:21 +08:00
|
|
|
static int
|
|
|
|
parse_callchain_opt(const struct option *opt __used, const char *arg,
|
|
|
|
int unset __used)
|
|
|
|
{
|
2009-07-03 02:14:33 +08:00
|
|
|
char *tok;
|
|
|
|
char *endptr;
|
|
|
|
|
2009-12-16 06:04:42 +08:00
|
|
|
symbol_conf.use_callchain = true;
|
2009-07-02 23:58:21 +08:00
|
|
|
|
|
|
|
if (!arg)
|
|
|
|
return 0;
|
|
|
|
|
2009-07-03 02:14:33 +08:00
|
|
|
tok = strtok((char *)arg, ",");
|
|
|
|
if (!tok)
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
/* get the output mode */
|
|
|
|
if (!strncmp(tok, "graph", strlen(arg)))
|
2009-07-05 13:39:21 +08:00
|
|
|
callchain_param.mode = CHAIN_GRAPH_ABS;
|
2009-07-02 23:58:21 +08:00
|
|
|
|
2009-07-03 02:14:33 +08:00
|
|
|
else if (!strncmp(tok, "flat", strlen(arg)))
|
2009-07-05 13:39:21 +08:00
|
|
|
callchain_param.mode = CHAIN_FLAT;
|
|
|
|
|
|
|
|
else if (!strncmp(tok, "fractal", strlen(arg)))
|
|
|
|
callchain_param.mode = CHAIN_GRAPH_REL;
|
|
|
|
|
2009-08-08 08:16:24 +08:00
|
|
|
else if (!strncmp(tok, "none", strlen(arg))) {
|
|
|
|
callchain_param.mode = CHAIN_NONE;
|
2009-12-16 06:04:42 +08:00
|
|
|
symbol_conf.use_callchain = true;
|
2009-08-08 08:16:24 +08:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2009-07-02 23:58:21 +08:00
|
|
|
else
|
|
|
|
return -1;
|
|
|
|
|
2009-07-03 02:14:33 +08:00
|
|
|
/* get the min percentage */
|
|
|
|
tok = strtok(NULL, ",");
|
|
|
|
if (!tok)
|
2009-07-05 13:39:21 +08:00
|
|
|
goto setup;
|
2009-07-03 02:14:33 +08:00
|
|
|
|
2009-07-05 13:39:21 +08:00
|
|
|
callchain_param.min_percent = strtod(tok, &endptr);
|
2009-07-03 02:14:33 +08:00
|
|
|
if (tok == endptr)
|
|
|
|
return -1;
|
|
|
|
|
2009-07-05 13:39:21 +08:00
|
|
|
setup:
|
|
|
|
if (register_callchain_param(&callchain_param) < 0) {
|
|
|
|
fprintf(stderr, "Can't register callchain params\n");
|
|
|
|
return -1;
|
|
|
|
}
|
2009-07-02 23:58:21 +08:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2009-09-25 00:02:49 +08:00
|
|
|
//static const char * const report_usage[] = {
|
|
|
|
const char * const report_usage[] = {
|
2009-05-26 15:17:18 +08:00
|
|
|
"perf report [<options>] <command>",
|
|
|
|
NULL
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct option options[] = {
|
|
|
|
OPT_STRING('i', "input", &input_name, "file",
|
|
|
|
"input file name"),
|
2009-05-27 06:46:14 +08:00
|
|
|
OPT_BOOLEAN('v', "verbose", &verbose,
|
|
|
|
"be more verbose (show symbol address, etc)"),
|
2009-05-27 00:48:58 +08:00
|
|
|
OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
|
|
|
|
"dump raw trace in ASCII"),
|
2009-11-24 22:05:15 +08:00
|
|
|
OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
|
|
|
|
"file", "vmlinux pathname"),
|
2009-08-19 17:18:26 +08:00
|
|
|
OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
|
2009-11-24 22:05:15 +08:00
|
|
|
OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
|
2009-07-02 14:09:46 +08:00
|
|
|
"load module symbols - WARNING: use only with -k and LIVE kernel"),
|
2009-12-16 06:04:42 +08:00
|
|
|
OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
|
2009-07-11 23:18:37 +08:00
|
|
|
"Show a column with the number of samples"),
|
2009-08-07 19:55:24 +08:00
|
|
|
OPT_BOOLEAN('T', "threads", &show_threads,
|
|
|
|
"Show per-thread event counters"),
|
2009-08-10 21:26:32 +08:00
|
|
|
OPT_STRING(0, "pretty", &pretty_printing_style, "key",
|
|
|
|
"pretty printing style key: normal raw"),
|
2009-05-28 16:52:00 +08:00
|
|
|
OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
|
2009-06-18 13:01:03 +08:00
|
|
|
"sort by key(s): pid, comm, dso, symbol, parent"),
|
2009-12-14 05:50:27 +08:00
|
|
|
OPT_BOOLEAN('P', "full-paths", &event_ops.full_paths,
|
2009-05-30 00:48:59 +08:00
|
|
|
"Don't shorten the pathnames taking into account the cwd"),
|
2009-06-18 13:01:03 +08:00
|
|
|
OPT_STRING('p', "parent", &parent_pattern, "regex",
|
|
|
|
"regex filter to identify parent, see: '--sort parent'"),
|
2009-12-16 06:04:42 +08:00
|
|
|
OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
|
2009-06-18 20:32:19 +08:00
|
|
|
"Only display entries with parent-match"),
|
2009-07-16 21:44:29 +08:00
|
|
|
OPT_CALLBACK_DEFAULT('g', "call-graph", NULL, "output_type,min_percent",
|
2009-07-03 02:14:33 +08:00
|
|
|
"Display callchains using output_type and min percent threshold. "
|
2009-07-16 21:44:29 +08:00
|
|
|
"Default: fractal,0.5", &parse_callchain_opt, callchain_default_opt),
|
2009-12-16 06:04:40 +08:00
|
|
|
OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
|
2009-07-01 06:01:20 +08:00
|
|
|
"only consider symbols in these dsos"),
|
2009-12-16 06:04:40 +08:00
|
|
|
OPT_STRING('C', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
|
2009-07-01 06:01:21 +08:00
|
|
|
"only consider symbols in these comms"),
|
2009-12-16 06:04:40 +08:00
|
|
|
OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
|
2009-07-01 06:01:22 +08:00
|
|
|
"only consider these symbols"),
|
2009-12-16 06:04:40 +08:00
|
|
|
OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
|
2009-07-11 09:47:28 +08:00
|
|
|
"width[,width...]",
|
|
|
|
"don't try to adjust column width, use these fixed values"),
|
2009-12-16 06:04:41 +08:00
|
|
|
OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator",
|
2009-07-11 09:47:28 +08:00
|
|
|
"separator for columns, no spaces will be added between "
|
|
|
|
"columns '.' is reserved."),
|
2009-05-26 15:17:18 +08:00
|
|
|
OPT_END()
|
|
|
|
};
|
|
|
|
|
2009-07-01 18:37:06 +08:00
|
|
|
int cmd_report(int argc, const char **argv, const char *prefix __used)
|
2009-05-26 15:17:18 +08:00
|
|
|
{
|
2009-12-16 06:04:40 +08:00
|
|
|
argc = parse_options(argc, argv, options, report_usage, 0);
|
|
|
|
|
|
|
|
setup_pager();
|
|
|
|
|
2009-12-16 06:04:39 +08:00
|
|
|
if (symbol__init() < 0)
|
2009-11-24 22:05:15 +08:00
|
|
|
return -1;
|
2009-05-26 15:17:18 +08:00
|
|
|
|
2009-12-15 06:09:29 +08:00
|
|
|
setup_sorting(report_usage, options);
|
2009-05-28 02:20:25 +08:00
|
|
|
|
2009-07-11 23:18:35 +08:00
|
|
|
if (parent_pattern != default_parent_pattern) {
|
2009-06-18 20:32:19 +08:00
|
|
|
sort_dimension__add("parent");
|
2009-07-11 23:18:35 +08:00
|
|
|
sort_parent.elide = 1;
|
|
|
|
} else
|
2009-12-16 06:04:42 +08:00
|
|
|
symbol_conf.exclude_other = false;
|
2009-06-18 20:32:19 +08:00
|
|
|
|
2009-06-04 22:24:37 +08:00
|
|
|
/*
|
|
|
|
* Any (unrecognized) arguments left?
|
|
|
|
*/
|
|
|
|
if (argc)
|
|
|
|
usage_with_options(report_usage, options);
|
|
|
|
|
2009-12-16 06:04:40 +08:00
|
|
|
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);
|
2009-07-01 06:01:20 +08:00
|
|
|
|
2009-05-26 15:17:18 +08:00
|
|
|
return __cmd_report();
|
|
|
|
}
|