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perf tools: Apply percent-limit to cumulative percentage

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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.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Arun Sharma <asharma@fb.com>
Tested-by: Rodrigo Campos <rodrigo@sdfg.com.ar>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/r/1401335910-16832-14-git-send-email-namhyung@kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
This commit is contained in:
Namhyung Kim 2013-10-31 10:17:39 +09:00 committed by Jiri Olsa
parent b09955b2a3
commit 14135663f1
4 changed files with 31 additions and 36 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
tools/perf/ui/browsers/hists.c
View File

@ -37,7 +37,6 @@ static int hists__browser_title(struct hists *hists, char *bf, size_t size,
static void hist_browser__update_nr_entries(struct hist_browser *hb);
static struct rb_node *hists__filter_entries(struct rb_node *nd,
struct hists *hists,
float min_pcnt);
static bool hist_browser__has_filter(struct hist_browser *hb)
@ -319,7 +318,7 @@ __hist_browser__set_folding(struct hist_browser *browser, bool unfold)
struct hists *hists = browser->hists;
for (nd = rb_first(&hists->entries);
(nd = hists__filter_entries(nd, hists, browser->min_pcnt)) != NULL;
(nd = hists__filter_entries(nd, browser->min_pcnt)) != NULL;
nd = rb_next(nd)) {
struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
hist_entry__set_folding(he, unfold);
@ -808,15 +807,12 @@ 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);
u64 total = hists__total_period(h->hists);
float percent = 0.0;
float percent;
if (h->filtered)
continue;
if (total)
percent = h->stat.period * 100.0 / total;
percent = hist_entry__get_percent_limit(h);
if (percent < hb->min_pcnt)
continue;
@ -829,16 +825,11 @@ static unsigned int hist_browser__refresh(struct ui_browser *browser)
}
static struct rb_node *hists__filter_entries(struct rb_node *nd,
struct hists *hists,
float min_pcnt)
{
while (nd != NULL) {
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
u64 total = hists__total_period(hists);
float percent = 0.0;
if (total)
percent = h->stat.period * 100.0 / total;
float percent = hist_entry__get_percent_limit(h);
if (!h->filtered && percent >= min_pcnt)
return nd;
@ -850,16 +841,11 @@ static struct rb_node *hists__filter_entries(struct rb_node *nd,
}
static struct rb_node *hists__filter_prev_entries(struct rb_node *nd,
struct hists *hists,
float min_pcnt)
{
while (nd != NULL) {
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
u64 total = hists__total_period(hists);
float percent = 0.0;
if (total)
percent = h->stat.period * 100.0 / total;
float percent = hist_entry__get_percent_limit(h);
if (!h->filtered && percent >= min_pcnt)
return nd;
@ -888,14 +874,14 @@ static void ui_browser__hists_seek(struct ui_browser *browser,
switch (whence) {
case SEEK_SET:
nd = hists__filter_entries(rb_first(browser->entries),
hb->hists, hb->min_pcnt);
hb->min_pcnt);
break;
case SEEK_CUR:
nd = browser->top;
goto do_offset;
case SEEK_END:
nd = hists__filter_prev_entries(rb_last(browser->entries),
hb->hists, hb->min_pcnt);
hb->min_pcnt);
first = false;
break;
default:
@ -938,8 +924,7 @@ do_offset:
break;
}
}
nd = hists__filter_entries(rb_next(nd), hb->hists,
hb->min_pcnt);
nd = hists__filter_entries(rb_next(nd), hb->min_pcnt);
if (nd == NULL)
break;
--offset;
@ -972,7 +957,7 @@ do_offset:
}
}
nd = hists__filter_prev_entries(rb_prev(nd), hb->hists,
nd = hists__filter_prev_entries(rb_prev(nd),
hb->min_pcnt);
if (nd == NULL)
break;
@ -1151,7 +1136,6 @@ static int hist_browser__fprintf_entry(struct hist_browser *browser,
static int hist_browser__fprintf(struct hist_browser *browser, FILE *fp)
{
struct rb_node *nd = hists__filter_entries(rb_first(browser->b.entries),
browser->hists,
browser->min_pcnt);
int printed = 0;
@ -1159,8 +1143,7 @@ static int hist_browser__fprintf(struct hist_browser *browser, FILE *fp)
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
printed += hist_browser__fprintf_entry(browser, h, fp);
nd = hists__filter_entries(rb_next(nd), browser->hists,
browser->min_pcnt);
nd = hists__filter_entries(rb_next(nd), browser->min_pcnt);
}
return printed;
@ -1397,8 +1380,7 @@ static void hist_browser__update_nr_entries(struct hist_browser *hb)
return;
}
while ((nd = hists__filter_entries(nd, hb->hists,
hb->min_pcnt)) != NULL) {
while ((nd = hists__filter_entries(nd, hb->min_pcnt)) != NULL) {
nr_entries++;
nd = rb_next(nd);
}

6
tools/perf/ui/gtk/hists.c
View File

@ -226,14 +226,12 @@ static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists,
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
GtkTreeIter iter;
u64 total = hists__total_period(h->hists);
float percent = 0.0;
float percent;
if (h->filtered)
continue;
if (total)
percent = h->stat.period * 100.0 / total;
percent = hist_entry__get_percent_limit(h);
if (percent < min_pcnt)
continue;

4
tools/perf/ui/stdio/hist.c
View File

@ -461,12 +461,12 @@ 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;
percent = hist_entry__get_percent_limit(h);
if (percent < min_pcnt)
continue;

17
tools/perf/util/sort.h
View File

@ -20,7 +20,7 @@
#include "parse-options.h"
#include "parse-events.h"
#include "hist.h"
#include "thread.h"
extern regex_t parent_regex;
@ -131,6 +131,21 @@ static inline void hist_entry__add_pair(struct hist_entry *pair,
list_add_tail(&pair->pairs.node, &he->pairs.head);
}
static inline float hist_entry__get_percent_limit(struct hist_entry *he)
{
u64 period = he->stat.period;
u64 total_period = hists__total_period(he->hists);
if (unlikely(total_period == 0))
return 0;
if (symbol_conf.cumulate_callchain)
period = he->stat_acc->period;
return period * 100.0 / total_period;
}
enum sort_mode {
SORT_MODE__NORMAL,
SORT_MODE__BRANCH,