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>

diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 4b2b1b09b8f1c83400492bedf0f75855257b4ab9..f69d8e177fa37176b9037b917814c5919471f5e4 100644 (file)
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -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;
 

diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index d026d215bdc63244638c26e4ac4586fa8fe3a1cb..14d9d438e7e28dc8ea4272d5e395c806d5ba5ab0 100644 (file)
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -63,6 +63,7 @@ struct symbol {
        u8              ignore:1;
        u8              inlined:1;
        u8              arch_sym;
+       bool            annotate2;
        char            name[0];
 };