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SubjectRe: [PATCH 12/21] perf tools: Apply percent-limit to cumulative percentage
On Tue, Dec 24, 2013 at 05:22:18PM +0900, Namhyung Kim wrote:
> From: Namhyung Kim <namhyung.kim@lge.com>
>
> If -g cumulative option is given, it needs to show entries which don't
> have self overhead. So apply percent-limit to accumulated overhead
> percentage in this case.
>
> Cc: Arun Sharma <asharma@fb.com>
> Cc: Frederic Weisbecker <fweisbec@gmail.com>
> Signed-off-by: Namhyung Kim <namhyung@kernel.org>
> ---
> tools/perf/ui/browsers/hists.c | 34 ++++++++++++++++++++++++++--------
> tools/perf/ui/gtk/hists.c | 11 +++++++++--
> tools/perf/ui/stdio/hist.c | 11 +++++++++--
> 3 files changed, 44 insertions(+), 12 deletions(-)
>
> diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
> index efa78894f70d..b02e71ecc5fe 100644
> --- a/tools/perf/ui/browsers/hists.c
> +++ b/tools/perf/ui/browsers/hists.c
> @@ -828,12 +828,19 @@ static unsigned int hist_browser__refresh(struct ui_browser *browser)
>
> for (nd = browser->top; nd; nd = rb_next(nd)) {
> struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
> - float percent = h->stat.period * 100.0 /
> - hb->hists->stats.total_period;
> + float percent;
>
> if (h->filtered)
> continue;
>
> + if (symbol_conf.cumulate_callchain) {
> + percent = h->stat_acc->period * 100.0 /
> + hb->hists->stats.total_period;
> + } else {
> + percent = h->stat.period * 100.0 /
> + hb->hists->stats.total_period;
> + }

seems like above code (7 lines) should go to function

jirka

> +
> if (percent < hb->min_pcnt)
> continue;
>
> @@ -851,13 +858,17 @@ static struct rb_node *hists__filter_entries(struct rb_node *nd,
> {
> while (nd != NULL) {
> struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
> - float percent = h->stat.period * 100.0 /
> - hists->stats.total_period;
> + float percent;
>
> - if (percent < min_pcnt)
> - return NULL;
> + if (symbol_conf.cumulate_callchain) {
> + percent = h->stat_acc->period * 100.0 /
> + hists->stats.total_period;
> + } else {
> + percent = h->stat.period * 100.0 /
> + hists->stats.total_period;
> + }
>
> - if (!h->filtered)
> + if (!h->filtered && percent >= min_pcnt)
> return nd;
>
> nd = rb_next(nd);
> @@ -872,8 +883,15 @@ static struct rb_node *hists__filter_prev_entries(struct rb_node *nd,
> {
> while (nd != NULL) {
> struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
> - float percent = h->stat.period * 100.0 /
> + float percent;
> +
> + if (symbol_conf.cumulate_callchain) {
> + percent = h->stat_acc->period * 100.0 /
> + hists->stats.total_period;
> + } else {
> + percent = h->stat.period * 100.0 /
> hists->stats.total_period;
> + }
>
> if (!h->filtered && percent >= min_pcnt)
> return nd;
> diff --git a/tools/perf/ui/gtk/hists.c b/tools/perf/ui/gtk/hists.c
> index 70ed0d5e1b94..06ae3342e14f 100644
> --- a/tools/perf/ui/gtk/hists.c
> +++ b/tools/perf/ui/gtk/hists.c
> @@ -296,12 +296,19 @@ static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists,
> for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
> struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
> GtkTreeIter iter;
> - float percent = h->stat.period * 100.0 /
> - hists->stats.total_period;
> + float percent;
>
> if (h->filtered)
> continue;
>
> + if (symbol_conf.cumulate_callchain) {
> + percent = h->stat_acc->period * 100.0 /
> + hists->stats.total_period;
> + } else {
> + percent = h->stat.period * 100.0 /
> + hists->stats.total_period;
> + }
> +
> if (percent < min_pcnt)
> continue;
>
> diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
> index 4c4986e809d8..7ea8502192b0 100644
> --- a/tools/perf/ui/stdio/hist.c
> +++ b/tools/perf/ui/stdio/hist.c
> @@ -487,12 +487,19 @@ print_entries:
>
> for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
> struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
> - float percent = h->stat.period * 100.0 /
> - hists->stats.total_period;
> + float percent;
>
> if (h->filtered)
> continue;
>
> + if (symbol_conf.cumulate_callchain) {
> + percent = h->stat_acc->period * 100.0 /
> + hists->stats.total_period;
> + } else {
> + percent = h->stat.period * 100.0 /
> + hists->stats.total_period;
> + }
> +
> if (percent < min_pcnt)
> continue;
>
> --
> 1.7.11.7
>


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