diff options
| author | Namhyung Kim <namhyung.kim@lge.com> | 2012-10-04 16:49:43 +0400 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-10-04 20:36:18 +0400 |
| commit | 139c0815903de1a7865fe1d6beac5e995fefdf46 (patch) | |
| tree | 7bfba0d05cd7ec188883cbe9b41db794e642fa44 /tools/perf | |
| parent | c4b35351ef3145c9abad64999d1de0de1b8361ab (diff) | |
| download | linux-139c0815903de1a7865fe1d6beac5e995fefdf46.tar.xz | |
perf hists: Add more helpers for hist entry stat
Add and use he_stat__add_{period,stat} for calculating hist entry's
stat. It will be used for accumulated stats later as well.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Arun Sharma <asharma@fb.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1349354994-17853-10-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/util/hist.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index 02476cb3167d..277947a669b2 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -151,6 +151,22 @@ static void hist_entry__add_cpumode_period(struct hist_entry *he, } } +static void he_stat__add_period(struct he_stat *he_stat, u64 period) +{ + he_stat->period += period; + he_stat->nr_events += 1; +} + +static void he_stat__add_stat(struct he_stat *dest, struct he_stat *src) +{ + dest->period += src->period; + dest->period_sys += src->period_sys; + dest->period_us += src->period_us; + dest->period_guest_sys += src->period_guest_sys; + dest->period_guest_us += src->period_guest_us; + dest->nr_events += src->nr_events; +} + static void hist_entry__decay(struct hist_entry *he) { he->stat.period = (he->stat.period * 7) / 8; @@ -270,8 +286,7 @@ static struct hist_entry *add_hist_entry(struct hists *hists, cmp = hist_entry__cmp(entry, he); if (!cmp) { - he->stat.period += period; - ++he->stat.nr_events; + he_stat__add_period(&he->stat, period); /* If the map of an existing hist_entry has * become out-of-date due to an exec() or @@ -418,12 +433,7 @@ static bool hists__collapse_insert_entry(struct hists *hists __maybe_unused, cmp = hist_entry__collapse(iter, he); if (!cmp) { - iter->stat.period += he->stat.period; - iter->stat.period_sys += he->stat.period_sys; - iter->stat.period_us += he->stat.period_us; - iter->stat.period_guest_sys += he->stat.period_guest_sys; - iter->stat.period_guest_us += he->stat.period_guest_us; - iter->stat.nr_events += he->stat.nr_events; + he_stat__add_stat(&iter->stat, &he->stat); if (symbol_conf.use_callchain) { callchain_cursor_reset(&callchain_cursor); |