Currently the percentages of perf-annotate are calculated
with number of samples, not the sample period.
So fix it to correspond with perf-report using the sample period
for the calculation.

Cc: Namhyung Kim <[email protected]>
Cc: Jiri Olsa <[email protected]>
Signed-off-by: Taeung Song <[email protected]>
---
 tools/perf/util/annotate.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index d9bdedf..28a6d11 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -988,7 +988,7 @@ double disasm__calc_percent(struct annotation *notes, int 
evidx, s64 offset,
                if (h->total_samples) {
                        sample->nr_samples = hits;
                        sample->period = p;
-                       percent = 100.0 * hits / h->total_samples;
+                       percent = 100.0 * p / h->total_period;
                }
        }
 
@@ -1730,8 +1730,9 @@ static int symbol__get_source_line(struct symbol *sym, 
struct map *map,
        start = map__rip_2objdump(map, sym->start);
 
        for (i = 0; i < len; i++) {
-               u64 offset, nr_samples;
+               u64 offset;
                double percent_max = 0.0;
+               struct sym_hist_entry sample;
 
                src_line->nr_pcnt = nr_pcnt;
 
@@ -1739,15 +1740,15 @@ static int symbol__get_source_line(struct symbol *sym, 
struct map *map,
                        double percent = 0.0;
 
                        h = annotation__histogram(notes, evidx + k);
-                       nr_samples = h->addr[i].nr_samples;
+                       sample = h->addr[i];
 
                        if (h->total_samples)
-                               percent = 100.0 * nr_samples / h->total_samples;
+                               percent = 100.0 * sample.period / 
h->total_period;
 
                        if (percent > percent_max)
                                percent_max = percent;
                        src_line->samples[k].percent = percent;
-                       src_line->samples[k].nr = nr_samples;
+                       src_line->samples[k].nr = sample.nr_samples;
                }
 
                if (percent_max <= 0.5)
-- 
2.7.4

Reply via email to