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perf annotate: Create a annotate2 flag in struct symbol 

We often use the symbol__annotate2() to annotate a specified symbol.
While annotating may take some time, so in order to avoid annotating the
same symbol repeatedly, the patch creates a new flag to indicate the
symbol has been annotated.

Signed-off-by: Jin Yao <yao.jin@linux.intel.com>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1543586097-27632-3-git-send-email-yao.jin@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jin Yao 2018-11-30 21:54:55 +08:00 committed by Arnaldo Carvalho de Melo
parent ace4f8faea
commit 246fda09c1
2 changed files with 2 additions and 0 deletions
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1
tools/perf/util/annotate.c
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@ -2798,6 +2798,7 @@ int symbol__annotate2(struct symbol *sym, struct map *map, struct perf_evsel *ev
notes->nr_events = nr_pcnt;
annotation__update_column_widths(notes);
sym->annotate2 = true;
return 0;

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

@ -63,6 +63,7 @@ struct symbol {
u8 ignore:1;
u8 inlined:1;
u8 arch_sym;
bool annotate2;
char name[0];
};