perf annotate: Add PERCENT_PERIOD_LOCAL percent value

Adding and computing local period percent value for annotation line.
Storing it in struct annotation_data percent array under new
PERCENT_PERIOD_LOCAL index.

At the moment it's not displayed, it's coming in following patches.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/20180804130521.11408-11-jolsa@kernel.org
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 b7485a5..b37e8cc 100644 (file)
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -1781,6 +1781,8 @@ static void calc_percent(struct sym_hist *sym_hist,
        if (hists->stats.nr_non_filtered_samples)
                data->percent[PERCENT_HITS_GLOBAL] = 100.0 * hits / hists->stats.nr_non_filtered_samples;
 
+       if (sym_hist->period)
+               data->percent[PERCENT_PERIOD_LOCAL] = 100.0 * period / sym_hist->period;
 }
 
 static void annotation__calc_percent(struct annotation *notes,

diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h
index 3a06cb2..890b686 100644 (file)
--- a/tools/perf/util/annotate.h
+++ b/tools/perf/util/annotate.h
@@ -104,6 +104,7 @@ struct sym_hist_entry {
 enum {
        PERCENT_HITS_LOCAL,
        PERCENT_HITS_GLOBAL,
+       PERCENT_PERIOD_LOCAL,
        PERCENT_MAX,
 };