[tip:perf/urgent] perf hists: Introduce struct he_stat

tip-bot for Namhyung Kim
2012-10-05T09:06:26Z

Commit-ID: b24c28f794e1821c1bba3ef7e9e948ab77ee00ac
Gitweb: http://git.kernel.org/tip/b24c28f794e1821c1bba3ef7e9e948ab77ee00ac
Author: Namhyung Kim <namhyung.kim@lge.com>
AuthorDate: Thu, 4 Oct 2012 21:49:41 +0900
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Thu, 4 Oct 2012 13:34:22 -0300

perf hists: Introduce struct he_stat

The struct he_stat is for separating out statistics data of a hist
entry. It is required for later changes.

It's just a mechanical change and should have no functional differences.

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/1349354994-17853-8-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/ui/browsers/hists.c | 8 +++---
tools/perf/ui/gtk/browser.c | 2 +-
tools/perf/ui/hist.c | 30 +++++++++++-----------
tools/perf/ui/stdio/hist.c | 2 +-
tools/perf/util/hist.c | 52 +++++++++++++++++++++------------------
tools/perf/util/sort.h | 16 +++++++----
6 files changed, 59 insertions(+), 51 deletions(-)

diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index d359795..0568536 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -570,7 +570,7 @@ static int hist_browser__hpp_color_ ## _name(struct perf_hpp *hpp, \
struct hist_entry *he) \
{ \
struct hists *hists = he->hists; \
- double percent = 100.0 * he->_field / hists->stats.total_period;\
+ double percent = 100.0 * he->stat._field / hists->stats.total_period; \
*(double *)hpp->ptr = percent; \
return scnprintf(hpp->buf, hpp->size, "%6.2f%%", percent); \
}
@@ -982,7 +982,7 @@ static int hist_browser__fprintf_entry(struct hist_browser *browser,
folded_sign = hist_entry__folded(he);

hist_entry__sort_snprintf(he, s, sizeof(s), browser->hists);
- percent = (he->period * 100.0) / browser->hists->stats.total_period;
+ percent = (he->stat.period * 100.0) / browser->hists->stats.total_period;

if (symbol_conf.use_callchain)
printed += fprintf(fp, "%c ", folded_sign);
@@ -990,10 +990,10 @@ static int hist_browser__fprintf_entry(struct hist_browser *browser,
printed += fprintf(fp, " %5.2f%%", percent);

if (symbol_conf.show_nr_samples)
- printed += fprintf(fp, " %11u", he->nr_events);
+ printed += fprintf(fp, " %11u", he->stat.nr_events);

if (symbol_conf.show_total_period)
- printed += fprintf(fp, " %12" PRIu64, he->period);
+ printed += fprintf(fp, " %12" PRIu64, he->stat.period);

printed += fprintf(fp, "%s\n", rtrim(s));

diff --git a/tools/perf/ui/gtk/browser.c b/tools/perf/ui/gtk/browser.c
index 3cbb1d6..4125c62 100644
--- a/tools/perf/ui/gtk/browser.c
+++ b/tools/perf/ui/gtk/browser.c
@@ -50,7 +50,7 @@ static int perf_gtk__hpp_color_ ## _name(struct perf_hpp *hpp, \
struct hist_entry *he) \
{ \
struct hists *hists = he->hists; \
- double percent = 100.0 * he->_field / hists->stats.total_period; \
+ double percent = 100.0 * he->stat._field / hists->stats.total_period; \
const char *markup; \
int ret = 0; \
\
diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index 7f04339..f5a1e4f 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -19,7 +19,7 @@ static int hpp__width_overhead(struct perf_hpp *hpp __maybe_unused)
static int hpp__color_overhead(struct perf_hpp *hpp, struct hist_entry *he)
{
struct hists *hists = he->hists;
- double percent = 100.0 * he->period / hists->stats.total_period;
+ double percent = 100.0 * he->stat.period / hists->stats.total_period;

return percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%%", percent);
}
@@ -27,7 +27,7 @@ static int hpp__color_overhead(struct perf_hpp *hpp, struct hist_entry *he)
static int hpp__entry_overhead(struct perf_hpp *hpp, struct hist_entry *he)
{
struct hists *hists = he->hists;
- double percent = 100.0 * he->period / hists->stats.total_period;
+ double percent = 100.0 * he->stat.period / hists->stats.total_period;
const char *fmt = symbol_conf.field_sep ? "%.2f" : " %6.2f%%";

return scnprintf(hpp->buf, hpp->size, fmt, percent);
@@ -48,7 +48,7 @@ static int hpp__width_overhead_sys(struct perf_hpp *hpp __maybe_unused)
static int hpp__color_overhead_sys(struct perf_hpp *hpp, struct hist_entry *he)
{
struct hists *hists = he->hists;
- double percent = 100.0 * he->period_sys / hists->stats.total_period;
+ double percent = 100.0 * he->stat.period_sys / hists->stats.total_period;

return percent_color_snprintf(hpp->buf, hpp->size, "%6.2f%%", percent);
}
@@ -56,7 +56,7 @@ static int hpp__color_overhead_sys(struct perf_hpp *hpp, struct hist_entry *he)
static int hpp__entry_overhead_sys(struct perf_hpp *hpp, struct hist_entry *he)
{
struct hists *hists = he->hists;
- double percent = 100.0 * he->period_sys / hists->stats.total_period;
+ double percent = 100.0 * he->stat.period_sys / hists->stats.total_period;
const char *fmt = symbol_conf.field_sep ? "%.2f" : "%6.2f%%";

return scnprintf(hpp->buf, hpp->size, fmt, percent);
@@ -77,7 +77,7 @@ static int hpp__width_overhead_us(struct perf_hpp *hpp __maybe_unused)
static int hpp__color_overhead_us(struct perf_hpp *hpp, struct hist_entry *he)
{
struct hists *hists = he->hists;
- double percent = 100.0 * he->period_us / hists->stats.total_period;
+ double percent = 100.0 * he->stat.period_us / hists->stats.total_period;

return percent_color_snprintf(hpp->buf, hpp->size, "%6.2f%%", percent);
}
@@ -85,7 +85,7 @@ static int hpp__color_overhead_us(struct perf_hpp *hpp, struct hist_entry *he)
static int hpp__entry_overhead_us(struct perf_hpp *hpp, struct hist_entry *he)
{
struct hists *hists = he->hists;
- double percent = 100.0 * he->period_us / hists->stats.total_period;
+ double percent = 100.0 * he->stat.period_us / hists->stats.total_period;
const char *fmt = symbol_conf.field_sep ? "%.2f" : "%6.2f%%";

return scnprintf(hpp->buf, hpp->size, fmt, percent);
@@ -105,7 +105,7 @@ static int hpp__color_overhead_guest_sys(struct perf_hpp *hpp,
struct hist_entry *he)
{
struct hists *hists = he->hists;
- double percent = 100.0 * he->period_guest_sys / hists->stats.total_period;
+ double percent = 100.0 * he->stat.period_guest_sys / hists->stats.total_period;

return percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%% ", percent);
}
@@ -114,7 +114,7 @@ static int hpp__entry_overhead_guest_sys(struct perf_hpp *hpp,
struct hist_entry *he)
{
struct hists *hists = he->hists;
- double percent = 100.0 * he->period_guest_sys / hists->stats.total_period;
+ double percent = 100.0 * he->stat.period_guest_sys / hists->stats.total_period;
const char *fmt = symbol_conf.field_sep ? "%.2f" : " %6.2f%% ";

return scnprintf(hpp->buf, hpp->size, fmt, percent);
@@ -134,7 +134,7 @@ static int hpp__color_overhead_guest_us(struct perf_hpp *hpp,
struct hist_entry *he)
{
struct hists *hists = he->hists;
- double percent = 100.0 * he->period_guest_us / hists->stats.total_period;
+ double percent = 100.0 * he->stat.period_guest_us / hists->stats.total_period;

return percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%% ", percent);
}
@@ -143,7 +143,7 @@ static int hpp__entry_overhead_guest_us(struct perf_hpp *hpp,
struct hist_entry *he)
{
struct hists *hists = he->hists;
- double percent = 100.0 * he->period_guest_us / hists->stats.total_period;
+ double percent = 100.0 * he->stat.period_guest_us / hists->stats.total_period;
const char *fmt = symbol_conf.field_sep ? "%.2f" : " %6.2f%% ";

return scnprintf(hpp->buf, hpp->size, fmt, percent);
@@ -167,7 +167,7 @@ static double baseline_percent(struct hist_entry *he)

if (pair) {
u64 total_period = pair_hists->stats.total_period;
- u64 base_period = pair->period;
+ u64 base_period = pair->stat.period;

percent = 100.0 * base_period / total_period;
}
@@ -206,7 +206,7 @@ static int hpp__entry_samples(struct perf_hpp *hpp, struct hist_entry *he)
{
const char *fmt = symbol_conf.field_sep ? "%" PRIu64 : "%11" PRIu64;

- return scnprintf(hpp->buf, hpp->size, fmt, he->nr_events);
+ return scnprintf(hpp->buf, hpp->size, fmt, he->stat.nr_events);
}

static int hpp__header_period(struct perf_hpp *hpp)
@@ -225,7 +225,7 @@ static int hpp__entry_period(struct perf_hpp *hpp, struct hist_entry *he)
{
const char *fmt = symbol_conf.field_sep ? "%" PRIu64 : "%12" PRIu64;

- return scnprintf(hpp->buf, hpp->size, fmt, he->period);
+ return scnprintf(hpp->buf, hpp->size, fmt, he->stat.period);
}

static int hpp__header_delta(struct perf_hpp *hpp)
@@ -253,11 +253,11 @@ static int hpp__entry_delta(struct perf_hpp *hpp, struct hist_entry *he)

old_total = pair_hists ? pair_hists->stats.total_period : 0;
if (old_total > 0 && pair)
- old_percent = 100.0 * pair->period / old_total;
+ old_percent = 100.0 * pair->stat.period / old_total;

new_total = hists->stats.total_period;
if (new_total > 0)
- new_percent = 100.0 * he->period / new_total;
+ new_percent = 100.0 * he->stat.period / new_total;

diff = new_percent - old_percent;
if (fabs(diff) >= 0.01)
diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
index 850c6d2..fbd4e32 100644
--- a/tools/perf/ui/stdio/hist.c
+++ b/tools/perf/ui/stdio/hist.c
@@ -271,7 +271,7 @@ static size_t hist_entry_callchain__fprintf(struct hist_entry *he,
{
switch (callchain_param.mode) {
case CHAIN_GRAPH_REL:
- return callchain__fprintf_graph(fp, &he->sorted_chain, he->period,
+ return callchain__fprintf_graph(fp, &he->sorted_chain, he->stat.period,
left_margin);
break;
case CHAIN_GRAPH_ABS:
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 040f34c..3197f3f 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -135,16 +135,16 @@ static void hist_entry__add_cpumode_period(struct hist_entry *he,
{
switch (cpumode) {
case PERF_RECORD_MISC_KERNEL:
- he->period_sys += period;
+ he->stat.period_sys += period;
break;
case PERF_RECORD_MISC_USER:
- he->period_us += period;
+ he->stat.period_us += period;
break;
case PERF_RECORD_MISC_GUEST_KERNEL:
- he->period_guest_sys += period;
+ he->stat.period_guest_sys += period;
break;
case PERF_RECORD_MISC_GUEST_USER:
- he->period_guest_us += period;
+ he->stat.period_guest_us += period;
break;
default:
break;
@@ -153,13 +153,13 @@ static void hist_entry__add_cpumode_period(struct hist_entry *he,

static void hist_entry__decay(struct hist_entry *he)
{
- he->period = (he->period * 7) / 8;
- he->nr_events = (he->nr_events * 7) / 8;
+ he->stat.period = (he->stat.period * 7) / 8;
+ he->stat.nr_events = (he->stat.nr_events * 7) / 8;
}

static bool hists__decay_entry(struct hists *hists, struct hist_entry *he)
{
- u64 prev_period = he->period;
+ u64 prev_period = he->stat.period;

if (prev_period == 0)
return true;
@@ -167,9 +167,9 @@ static bool hists__decay_entry(struct hists *hists, struct hist_entry *he)
hist_entry__decay(he);

if (!he->filtered)
- hists->stats.total_period -= prev_period - he->period;
+ hists->stats.total_period -= prev_period - he->stat.period;

- return he->period == 0;
+ return he->stat.period == 0;
}

static void __hists__decay_entries(struct hists *hists, bool zap_user,
@@ -223,7 +223,7 @@ static struct hist_entry *hist_entry__new(struct hist_entry *template)

if (he != NULL) {
*he = *template;
- he->nr_events = 1;
+ he->stat.nr_events = 1;
if (he->ms.map)
he->ms.map->referenced = true;
if (symbol_conf.use_callchain)
@@ -238,7 +238,7 @@ static void hists__inc_nr_entries(struct hists *hists, struct hist_entry *h)
if (!h->filtered) {
hists__calc_col_len(hists, h);
++hists->nr_entries;
- hists->stats.total_period += h->period;
+ hists->stats.total_period += h->stat.period;
}
}

@@ -270,8 +270,8 @@ static struct hist_entry *add_hist_entry(struct hists *hists,
cmp = hist_entry__cmp(entry, he);

if (!cmp) {
- he->period += period;
- ++he->nr_events;
+ he->stat.period += period;
+ ++he->stat.nr_events;

/* If the map of an existing hist_entry has
* become out-of-date due to an exec() or
@@ -321,7 +321,9 @@ struct hist_entry *__hists__add_branch_entry(struct hists *self,
.cpu = al->cpu,
.ip = bi->to.addr,
.level = al->level,
- .period = period,
+ .stat = {
+ .period = period,
+ },
.parent = sym_parent,
.filtered = symbol__parent_filter(sym_parent),
.branch_info = bi,
@@ -344,7 +346,9 @@ struct hist_entry *__hists__add_entry(struct hists *self,
.cpu = al->cpu,
.ip = al->addr,
.level = al->level,
- .period = period,
+ .stat = {
+ .period = period,
+ },
.parent = sym_parent,
.filtered = symbol__parent_filter(sym_parent),
.hists = self,
@@ -412,12 +416,12 @@ static bool hists__collapse_insert_entry(struct hists *hists __maybe_unused,
cmp = hist_entry__collapse(iter, he);

if (!cmp) {
- iter->period += he->period;
- iter->period_sys += he->period_sys;
- iter->period_us += he->period_us;
- iter->period_guest_sys += he->period_guest_sys;
- iter->period_guest_us += he->period_guest_us;
- iter->nr_events += he->nr_events;
+ 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;

if (symbol_conf.use_callchain) {
callchain_cursor_reset(&callchain_cursor);
@@ -520,7 +524,7 @@ static void __hists__insert_output_entry(struct rb_root *entries,
parent = *p;
iter = rb_entry(parent, struct hist_entry, rb_node);

- if (he->period > iter->period)
+ if (he->stat.period > iter->stat.period)
p = &(*p)->rb_left;
else
p = &(*p)->rb_right;
@@ -581,8 +585,8 @@ static void hists__remove_entry_filter(struct hists *hists, struct hist_entry *h
if (h->ms.unfolded)
hists->nr_entries += h->nr_rows;
h->row_offset = 0;
- hists->stats.total_period += h->period;
- hists->stats.nr_events[PERF_RECORD_SAMPLE] += h->nr_events;
+ hists->stats.total_period += h->stat.period;
+ hists->stats.nr_events[PERF_RECORD_SAMPLE] += h->stat.nr_events;

hists__calc_col_len(hists, h);
}
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index f070b52..5786f32 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -43,6 +43,15 @@ extern struct sort_entry sort_sym_from;
extern struct sort_entry sort_sym_to;
extern enum sort_type sort__first_dimension;

+struct he_stat {
+ u64 period;
+ u64 period_sys;
+ u64 period_us;
+ u64 period_guest_sys;
+ u64 period_guest_us;
+ u32 nr_events;
+};
+
/**
* struct hist_entry - histogram entry
*
@@ -52,16 +61,11 @@ extern enum sort_type sort__first_dimension;
struct hist_entry {
struct rb_node rb_node_in;
struct rb_node rb_node;
- u64 period;
- u64 period_sys;
- u64 period_us;
- u64 period_guest_sys;
- u64 period_guest_us;
+ struct he_stat stat;
struct map_symbol ms;
struct thread *thread;
u64 ip;
s32 cpu;
- u32 nr_events;

/* XXX These two should move to some tree widget lib */
u16 row_offset;