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perf annotate: Introduce the --stdio2 output mode 

This uses the TUI augmented formatting routines, modulo interactivity.

  # perf annotate --ignore-vmlinux --stdio2 _raw_spin_lock_irqsave
  _raw_spin_lock_irqsave() /proc/kcore
  Event: cycles:ppp

  Percent

              Disassembly of section load0:

              ffffffff9a8734b0 <load0>:
                nop
                push   %rbx
   50.00        pushfq
                pop    %rax
                nop
                mov    %rax,%rbx
                cli
                nop
                xor    %eax,%eax
                mov    $0x1,%edx
   50.00        lock   cmpxchg %edx,(%rdi)
                test   %eax,%eax
              ↓ jne    2b
                mov    %rbx,%rax
                pop    %rbx
              ← retq
          2b:   mov    %eax,%esi
              → callq  queued_spin_lock_slowpath
                mov    %rbx,%rax
                pop    %rbx
              ← retq

Tested-by: Jin Yao <yao.jin@linux.intel.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-6cte5o8z84mbivbvqlg14uh1@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2018-03-15 23:44:34 -03:00
parent 9b80d1f946
commit befd2a38a6
4 changed files with 115 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
tools/perf/Documentation/perf-annotate.txt
View File

@ -69,6 +69,8 @@ OPTIONS
--stdio:: Use the stdio interface.
--stdio2:: Use the stdio2 interface, non-interactive, uses the TUI formatting.
--stdio-color=<mode>::
'always', 'never' or 'auto', allowing configuring color output
via the command line, in addition to via "color.ui" .perfconfig.

23
tools/perf/builtin-annotate.c
View File

@ -40,7 +40,7 @@
struct perf_annotate {
struct perf_tool tool;
struct perf_session *session;
bool use_tui, use_stdio, use_gtk;
bool use_tui, use_stdio, use_stdio2, use_gtk;
bool full_paths;
bool print_line;
bool skip_missing;
@ -202,6 +202,11 @@ static int process_branch_callback(struct perf_evsel *evsel,
return ret;
}
static bool has_annotation(struct perf_annotate *ann)
{
return ui__has_annotation() || ann->use_stdio2;
}
static int perf_evsel__add_sample(struct perf_evsel *evsel,
struct perf_sample *sample,
struct addr_location *al,
@ -212,7 +217,7 @@ static int perf_evsel__add_sample(struct perf_evsel *evsel,
struct hist_entry *he;
int ret;
if ((!ann->has_br_stack || !ui__has_annotation()) &&
if ((!ann->has_br_stack || !has_annotation(ann)) &&
ann->sym_hist_filter != NULL &&
(al->sym == NULL ||
strcmp(ann->sym_hist_filter, al->sym->name) != 0)) {
@ -236,7 +241,7 @@ static int perf_evsel__add_sample(struct perf_evsel *evsel,
*/
process_branch_stack(sample->branch_stack, al, sample);
if (ann->has_br_stack && ui__has_annotation())
if (ann->has_br_stack && has_annotation(ann))
return process_branch_callback(evsel, sample, al, ann, machine);
he = hists__add_entry(hists, al, NULL, NULL, NULL, sample, true);
@ -282,8 +287,11 @@ static int hist_entry__tty_annotate(struct hist_entry *he,
struct perf_evsel *evsel,
struct perf_annotate *ann)
{
return symbol__tty_annotate(he->ms.sym, he->ms.map, evsel,
ann->print_line, ann->full_paths, 0, 0);
if (!ann->use_stdio2)
return symbol__tty_annotate(he->ms.sym, he->ms.map, evsel,
ann->print_line, ann->full_paths, 0, 0);
return symbol__tty_annotate2(he->ms.sym, he->ms.map, evsel,
ann->print_line, ann->full_paths);
}
static void hists__find_annotations(struct hists *hists,
@ -487,6 +495,7 @@ int cmd_annotate(int argc, const char **argv)
OPT_BOOLEAN(0, "gtk", &annotate.use_gtk, "Use the GTK interface"),
OPT_BOOLEAN(0, "tui", &annotate.use_tui, "Use the TUI interface"),
OPT_BOOLEAN(0, "stdio", &annotate.use_stdio, "Use the stdio interface"),
OPT_BOOLEAN(0, "stdio2", &annotate.use_stdio2, "Use the stdio interface"),
OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
"file", "vmlinux pathname"),
OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
@ -569,7 +578,7 @@ int cmd_annotate(int argc, const char **argv)
if (ret < 0)
goto out_delete;
if (annotate.use_stdio)
if (annotate.use_stdio || annotate.use_stdio2)
use_browser = 0;
else if (annotate.use_tui)
use_browser = 1;
@ -578,7 +587,7 @@ int cmd_annotate(int argc, const char **argv)
setup_browser(true);
if (use_browser == 1 && annotate.has_br_stack) {
if ((use_browser == 1 || annotate.use_stdio2) && annotate.has_br_stack) {
sort__mode = SORT_MODE__BRANCH;
if (setup_sorting(annotate.session->evlist) < 0)
usage_with_options(annotate_usage, options);

92
tools/perf/util/annotate.c
View File

@ -1965,6 +1965,72 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map,
return more;
}
static void FILE__set_percent_color(void *fp __maybe_unused,
double percent __maybe_unused,
bool current __maybe_unused)
{
}
static int FILE__set_jumps_percent_color(void *fp __maybe_unused,
int nr __maybe_unused, bool current __maybe_unused)
{
return 0;
}
static int FILE__set_color(void *fp __maybe_unused, int color __maybe_unused)
{
return 0;
}
static void FILE__printf(void *fp, const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
vfprintf(fp, fmt, args);
va_end(args);
}
static void FILE__write_graph(void *fp, int graph)
{
const char *s;
switch (graph) {
case DARROW_CHAR: s = "↓"; break;
case UARROW_CHAR: s = "↑"; break;
case LARROW_CHAR: s = "←"; break;
case RARROW_CHAR: s = "→"; break;
default: s = "?"; break;
}
fputs(s, fp);
}
int symbol__annotate_fprintf2(struct symbol *sym, FILE *fp)
{
struct annotation *notes = symbol__annotation(sym);
struct annotation_write_ops ops = {
.first_line = true,
.obj = fp,
.set_color = FILE__set_color,
.set_percent_color = FILE__set_percent_color,
.set_jumps_percent_color = FILE__set_jumps_percent_color,
.printf = FILE__printf,
.write_graph = FILE__write_graph,
};
struct annotation_line *al;
list_for_each_entry(al, &notes->src->source, node) {
if (annotation_line__filter(al, notes))
continue;
annotation_line__write(al, notes, &ops);
fputc('\n', fp);
ops.first_line = false;
}
return 0;
}
void symbol__annotate_zero_histogram(struct symbol *sym, int evidx)
{
struct annotation *notes = symbol__annotation(sym);
@ -2165,6 +2231,32 @@ static void symbol__calc_lines(struct symbol *sym, struct map *map,
annotation__calc_lines(notes, map, root, start);
}
int symbol__tty_annotate2(struct symbol *sym, struct map *map,
struct perf_evsel *evsel, bool print_lines,
bool full_paths)
{
struct dso *dso = map->dso;
struct rb_root source_line = RB_ROOT;
struct annotation_options opts = {
.use_offset = true,
};
if (symbol__annotate2(sym, map, evsel, &opts, NULL) < 0)
return -1;
if (print_lines) {
srcline_full_filename = full_paths;
symbol__calc_lines(sym, map, &source_line);
print_summary(&source_line, dso->long_name);
}
symbol__annotate_fprintf2(sym, stdout);
annotated_source__purge(symbol__annotation(sym)->src);
return 0;
}
int symbol__tty_annotate(struct symbol *sym, struct map *map,
struct perf_evsel *evsel, bool print_lines,
bool full_paths, int min_pcnt, int max_lines)

5
tools/perf/util/annotate.h
View File

@ -281,6 +281,7 @@ int symbol__strerror_disassemble(struct symbol *sym, struct map *map,
int symbol__annotate_printf(struct symbol *sym, struct map *map,
struct perf_evsel *evsel, bool full_paths,
int min_pcnt, int max_lines, int context);
int symbol__annotate_fprintf2(struct symbol *sym, FILE *fp);
void symbol__annotate_zero_histogram(struct symbol *sym, int evidx);
void symbol__annotate_decay_histogram(struct symbol *sym, int evidx);
void annotated_source__purge(struct annotated_source *as);
@ -291,6 +292,10 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map,
struct perf_evsel *evsel, bool print_lines,
bool full_paths, int min_pcnt, int max_lines);
int symbol__tty_annotate2(struct symbol *sym, struct map *map,
struct perf_evsel *evsel, bool print_lines,
bool full_paths);
#ifdef HAVE_SLANG_SUPPORT
int symbol__tui_annotate(struct symbol *sym, struct map *map,
struct perf_evsel *evsel,