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Subject[PATCH 12/15] perf ui/hist: Add support to accumulated hist stat
Date
From: Namhyung Kim <namhyung.kim@lge.com>

Print accumulated stat of a hist entry if requested.

Cc: Arun Sharma <asharma@fb.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
tools/perf/ui/hist.c | 46 ++++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 44 insertions(+), 2 deletions(-)

diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index d6ddeb10e678..7bf2999d2d17 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -22,6 +22,9 @@ static int hpp__color_overhead(struct perf_hpp *hpp, struct hist_entry *he)
{
double percent = 100.0 * he->stat.period / hpp->total_period;

+ if (symbol_conf.cumulate_callchain)
+ percent = 100.0 * he->stat_acc->period / hpp->total_period;
+
if (hpp->ptr) {
struct hists *old_hists = hpp->ptr;
u64 total_period = old_hists->stats.total_period;
@@ -41,6 +44,9 @@ static int hpp__entry_overhead(struct perf_hpp *hpp, struct hist_entry *he)
double percent = 100.0 * he->stat.period / hpp->total_period;
const char *fmt = symbol_conf.field_sep ? "%.2f" : " %6.2f%%";

+ if (symbol_conf.cumulate_callchain)
+ percent = 100.0 * he->stat_acc->period / hpp->total_period;
+
if (hpp->ptr) {
struct hists *old_hists = hpp->ptr;
u64 total_period = old_hists->stats.total_period;
@@ -70,6 +76,10 @@ 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)
{
double percent = 100.0 * he->stat.period_sys / hpp->total_period;
+
+ if (symbol_conf.cumulate_callchain)
+ percent = 100.0 * he->stat_acc->period_sys / hpp->total_period;
+
return percent_color_snprintf(hpp->buf, hpp->size, "%6.2f%%", percent);
}

@@ -78,6 +88,9 @@ static int hpp__entry_overhead_sys(struct perf_hpp *hpp, struct hist_entry *he)
double percent = 100.0 * he->stat.period_sys / hpp->total_period;
const char *fmt = symbol_conf.field_sep ? "%.2f" : "%6.2f%%";

+ if (symbol_conf.cumulate_callchain)
+ percent = 100.0 * he->stat_acc->period_sys / hpp->total_period;
+
return scnprintf(hpp->buf, hpp->size, fmt, percent);
}

@@ -96,6 +109,10 @@ 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)
{
double percent = 100.0 * he->stat.period_us / hpp->total_period;
+
+ if (symbol_conf.cumulate_callchain)
+ percent = 100.0 * he->stat_acc->period_us / hpp->total_period;
+
return percent_color_snprintf(hpp->buf, hpp->size, "%6.2f%%", percent);
}

@@ -104,6 +121,9 @@ static int hpp__entry_overhead_us(struct perf_hpp *hpp, struct hist_entry *he)
double percent = 100.0 * he->stat.period_us / hpp->total_period;
const char *fmt = symbol_conf.field_sep ? "%.2f" : "%6.2f%%";

+ if (symbol_conf.cumulate_callchain)
+ percent = 100.0 * he->stat_acc->period_us / hpp->total_period;
+
return scnprintf(hpp->buf, hpp->size, fmt, percent);
}

@@ -121,6 +141,10 @@ static int hpp__color_overhead_guest_sys(struct perf_hpp *hpp,
struct hist_entry *he)
{
double percent = 100.0 * he->stat.period_guest_sys / hpp->total_period;
+
+ if (symbol_conf.cumulate_callchain)
+ percent = 100.0 * he->stat_acc->period_guest_sys / hpp->total_period;
+
return percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%% ", percent);
}

@@ -130,6 +154,9 @@ static int hpp__entry_overhead_guest_sys(struct perf_hpp *hpp,
double percent = 100.0 * he->stat.period_guest_sys / hpp->total_period;
const char *fmt = symbol_conf.field_sep ? "%.2f" : " %6.2f%% ";

+ if (symbol_conf.cumulate_callchain)
+ percent = 100.0 * he->stat_acc->period_guest_sys / hpp->total_period;
+
return scnprintf(hpp->buf, hpp->size, fmt, percent);
}

@@ -147,6 +174,10 @@ static int hpp__color_overhead_guest_us(struct perf_hpp *hpp,
struct hist_entry *he)
{
double percent = 100.0 * he->stat.period_guest_us / hpp->total_period;
+
+ if (symbol_conf.cumulate_callchain)
+ percent = 100.0 * he->stat_acc->period_guest_us / hpp->total_period;
+
return percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%% ", percent);
}

@@ -156,6 +187,9 @@ static int hpp__entry_overhead_guest_us(struct perf_hpp *hpp,
double percent = 100.0 * he->stat.period_guest_us / hpp->total_period;
const char *fmt = symbol_conf.field_sep ? "%.2f" : " %6.2f%% ";

+ if (symbol_conf.cumulate_callchain)
+ percent = 100.0 * he->stat_acc->period_guest_us / hpp->total_period;
+
return scnprintf(hpp->buf, hpp->size, fmt, percent);
}

@@ -174,8 +208,12 @@ static int hpp__width_samples(struct perf_hpp *hpp __maybe_unused)
static int hpp__entry_samples(struct perf_hpp *hpp, struct hist_entry *he)
{
const char *fmt = symbol_conf.field_sep ? "%" PRIu64 : "%11" PRIu64;
+ u64 samples = he->stat.nr_events;

- return scnprintf(hpp->buf, hpp->size, fmt, he->stat.nr_events);
+ if (symbol_conf.cumulate_callchain)
+ samples = he->stat_acc->nr_events;
+
+ return scnprintf(hpp->buf, hpp->size, fmt, samples);
}

static int hpp__header_period(struct perf_hpp *hpp)
@@ -193,8 +231,12 @@ static int hpp__width_period(struct perf_hpp *hpp __maybe_unused)
static int hpp__entry_period(struct perf_hpp *hpp, struct hist_entry *he)
{
const char *fmt = symbol_conf.field_sep ? "%" PRIu64 : "%12" PRIu64;
+ u64 period = he->stat.period;
+
+ if (symbol_conf.cumulate_callchain)
+ period = he->stat_acc->period;

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

static int hpp__header_delta(struct perf_hpp *hpp)
--
1.7.11.4


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