| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <1390436045-16830-14-git-send-email-namhyung@kernel.org>
Date: Thu, 23 Jan 2014 09:13:57 +0900
From: Namhyung Kim <namhyung@...nel.org>
To: Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Ingo Molnar <mingo@...nel.org>,
Paul Mackerras <paulus@...ba.org>,
Namhyung Kim <namhyung.kim@....com>,
LKML <linux-kernel@...r.kernel.org>,
Arun Sharma <asharma@...com>, Jiri Olsa <jolsa@...hat.com>,
Rodrigo Campos <rodrigo@...g.com.ar>,
Andi Kleen <andi@...stfloor.org>,
Frederic Weisbecker <fweisbec@...il.com>
Subject: [PATCH 13/21] perf tools: Apply percent-limit to cumulative percentage
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.
Tested-by: Arun Sharma <asharma@...com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
tools/perf/ui/browsers/hists.c | 33 +++++++++++----------------------
tools/perf/ui/gtk/hists.c | 4 ++--
tools/perf/ui/stdio/hist.c | 4 ++--
tools/perf/util/hist.h | 1 +
tools/perf/util/sort.h | 17 ++++++++++++++++-
5 files changed, 32 insertions(+), 27 deletions(-)
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index c8e3a2e7b5c0..0a088535ebac 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -828,12 +828,12 @@ 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);
- float percent = h->stat.period * 100.0 /
- hb->hists->stats.total_period;
+ float percent;
if (h->filtered)
continue;
+ percent = hist_entry__get_percent_limit(h);
if (percent < hb->min_pcnt)
continue;
@@ -846,18 +846,13 @@ 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);
- float percent = h->stat.period * 100.0 /
- hists->stats.total_period;
+ float percent = hist_entry__get_percent_limit(h);
- if (percent < min_pcnt)
- return NULL;
-
- if (!h->filtered)
+ if (!h->filtered && percent >= min_pcnt)
return nd;
nd = rb_next(nd);
@@ -867,13 +862,11 @@ 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);
- float percent = h->stat.period * 100.0 /
- hists->stats.total_period;
+ float percent = hist_entry__get_percent_limit(h);
if (!h->filtered && percent >= min_pcnt)
return nd;
@@ -902,14 +895,14 @@ 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:
@@ -952,8 +945,7 @@ 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;
@@ -986,7 +978,7 @@ 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;
@@ -1157,7 +1149,6 @@ 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;
@@ -1165,8 +1156,7 @@ 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;
@@ -1390,8 +1380,7 @@ static void hist_browser__update_pcnt_entries(struct hist_browser *hb)
while (nd) {
nr_entries++;
- nd = hists__filter_entries(rb_next(nd), hb->hists,
- hb->min_pcnt);
+ nd = hists__filter_entries(rb_next(nd), hb->min_pcnt);
}
hb->nr_pcnt_entries = nr_entries;
diff --git a/tools/perf/ui/gtk/hists.c b/tools/perf/ui/gtk/hists.c
index 49531c1c7121..ded22b4da677 100644
--- a/tools/perf/ui/gtk/hists.c
+++ b/tools/perf/ui/gtk/hists.c
@@ -296,12 +296,12 @@ 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;
+ percent = hist_entry__get_percent_limit(h);
if (percent < min_pcnt)
continue;
diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
index 831fbb77d1ff..b48c7ba49a1c 100644
--- a/tools/perf/ui/stdio/hist.c
+++ b/tools/perf/ui/stdio/hist.c
@@ -487,12 +487,12 @@ 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;
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 59d8ba4665a4..421c2d809769 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -140,6 +140,7 @@ int hist_entry__sort_snprintf(struct hist_entry *he, char *bf, size_t size,
struct hists *hists);
void hist_entry__free(struct hist_entry *);
+
void hists__output_resort(struct hists *hists);
void hists__collapse_resort(struct hists *hists, struct ui_progress *prog);
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index 309f2838a1b4..103748ba25f2 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -20,7 +20,7 @@
#include "parse-options.h"
#include "parse-events.h"
-
+#include "hist.h"
#include "thread.h"
extern regex_t parent_regex;
@@ -130,6 +130,21 @@ 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 = he->hists->stats.total_period;
+
+ 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,
--
1.7.11.7
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists