[PATCH 06/19] perf ui/hist: Consolidate hpp helpers

Namhyung Kim
2013-01-22T09:10:40Z

From: Namhyung Kim <namhyung.kim@lge.com>

Most of hpp helper functions do same jobs for different fields thus
consolidate them to appropriate functions/macros.

Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Stephane Eranian <eranian@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
tools/perf/ui/hist.c | 238 ++++++++++++++++++---------------------------------
1 file changed, 84 insertions(+), 154 deletions(-)

diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index 1889c12ca81f..849c40028e7b 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -3,151 +3,107 @@
#include "../util/hist.h"
#include "../util/util.h"
#include "../util/sort.h"
-
+#include "../util/evsel.h"

/* hist period print (hpp) functions */
-static int hpp__header_overhead(struct perf_hpp *hpp)
-{
- return scnprintf(hpp->buf, hpp->size, "Overhead");
-}
-
-static int hpp__width_overhead(struct perf_hpp *hpp __maybe_unused)
-{
- return 8;
-}
-
-static int hpp__color_overhead(struct perf_hpp *hpp, struct hist_entry *he)
-{
- struct hists *hists = he->hists;
- double percent = 100.0 * he->stat.period / hists->stats.total_period;
-
- return percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%%", percent);
-}
-
-static int hpp__entry_overhead(struct perf_hpp *hpp, struct hist_entry *he)
-{
- struct hists *hists = he->hists;
- 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);
-}
-
-static int hpp__header_overhead_sys(struct perf_hpp *hpp)
-{
- const char *fmt = symbol_conf.field_sep ? "%s" : "%7s";
-
- return scnprintf(hpp->buf, hpp->size, fmt, "sys");
-}
-
-static int hpp__width_overhead_sys(struct perf_hpp *hpp __maybe_unused)
-{
- return 7;
-}
-
-static int hpp__color_overhead_sys(struct perf_hpp *hpp, struct hist_entry *he)
-{
- struct hists *hists = he->hists;
- double percent = 100.0 * he->stat.period_sys / hists->stats.total_period;

- return percent_color_snprintf(hpp->buf, hpp->size, "%6.2f%%", percent);
-}
+typedef int (*hpp_snprint_fn)(char *buf, size_t size, const char *fmt, ...);

-static int hpp__entry_overhead_sys(struct perf_hpp *hpp, struct hist_entry *he)
+static int __hpp__percent_fmt(struct perf_hpp *hpp, struct hist_entry *he,
+ u64 (*get_field)(struct hist_entry *),
+ const char *fmt, hpp_snprint_fn print_fn)
{
+ int ret;
+ double percent = 0.0;
struct hists *hists = he->hists;
- 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);
-}
-
-static int hpp__header_overhead_us(struct perf_hpp *hpp)
-{
- const char *fmt = symbol_conf.field_sep ? "%s" : "%7s";

- return scnprintf(hpp->buf, hpp->size, fmt, "user");
-}
+ if (hists->stats.total_period)
+ percent = 100.0 * get_field(he) / hists->stats.total_period;

-static int hpp__width_overhead_us(struct perf_hpp *hpp __maybe_unused)
-{
- return 7;
+ ret = print_fn(hpp->buf, hpp->size, fmt, percent);
+ return ret;
}

-static int hpp__color_overhead_us(struct perf_hpp *hpp, struct hist_entry *he)
+static int __hpp__raw_fmt(struct perf_hpp *hpp, struct hist_entry *he,
+ u64 (*get_field)(struct hist_entry *),
+ const char *fmt, hpp_snprint_fn print_fn)
{
- struct hists *hists = he->hists;
- double percent = 100.0 * he->stat.period_us / hists->stats.total_period;
+ int ret;

- return percent_color_snprintf(hpp->buf, hpp->size, "%6.2f%%", percent);
+ ret = print_fn(hpp->buf, hpp->size, fmt, get_field(he));
+ return ret;
}

-static int hpp__entry_overhead_us(struct perf_hpp *hpp, struct hist_entry *he)
-{
- struct hists *hists = he->hists;
- 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);
+#define __HPP_HEADER_FN(_type, _str, _min_width, _unit_width) \
+static int hpp__header_##_type(struct perf_hpp *hpp) \
+{ \
+ int len = _min_width; \
+ \
+ return scnprintf(hpp->buf, hpp->size, "%*s", len, _str); \
}

-static int hpp__header_overhead_guest_sys(struct perf_hpp *hpp)
-{
- return scnprintf(hpp->buf, hpp->size, "guest sys");
+#define __HPP_WIDTH_FN(_type, _min_width, _unit_width) \
+static int hpp__width_##_type(struct perf_hpp *hpp __maybe_unused) \
+{ \
+ int len = _min_width; \
+ \
+ return len; \
}

-static int hpp__width_overhead_guest_sys(struct perf_hpp *hpp __maybe_unused)
-{
- return 9;
+#define __HPP_COLOR_PERCENT_FN(_type, _field) \
+static u64 he_get_##_field(struct hist_entry *he) \
+{ \
+ return he->stat._field; \
+} \
+ \
+static int hpp__color_##_type(struct perf_hpp *hpp, struct hist_entry *he) \
+{ \
+ return __hpp__percent_fmt(hpp, he, he_get_##_field, " %6.2f%%", \
+ (hpp_snprint_fn)percent_color_snprintf); \
}

-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->stat.period_guest_sys / hists->stats.total_period;
-
- return percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%% ", percent);
+#define __HPP_ENTRY_PERCENT_FN(_type, _field) \
+static int hpp__entry_##_type(struct perf_hpp *hpp, struct hist_entry *he) \
+{ \
+ const char *fmt = symbol_conf.field_sep ? " %.2f" : " %6.2f%%"; \
+ return __hpp__percent_fmt(hpp, he, he_get_##_field, fmt, \
+ scnprintf); \
}

-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->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);
+#define __HPP_ENTRY_RAW_FN(_type, _field) \
+static u64 he_get_raw_##_field(struct hist_entry *he) \
+{ \
+ return he->stat._field; \
+} \
+ \
+static int hpp__entry_##_type(struct perf_hpp *hpp, struct hist_entry *he) \
+{ \
+ const char *fmt = symbol_conf.field_sep ? " %"PRIu64 : " %11"PRIu64; \
+ return __hpp__raw_fmt(hpp, he, he_get_raw_##_field, fmt, scnprintf); \
}

-static int hpp__header_overhead_guest_us(struct perf_hpp *hpp)
-{
- return scnprintf(hpp->buf, hpp->size, "guest usr");
-}
+#define HPP_PERCENT_FNS(_type, _str, _field, _min_width, _unit_width) \
+__HPP_HEADER_FN(_type, _str, _min_width, _unit_width) \
+__HPP_WIDTH_FN(_type, _min_width, _unit_width) \
+__HPP_COLOR_PERCENT_FN(_type, _field) \
+__HPP_ENTRY_PERCENT_FN(_type, _field)

-static int hpp__width_overhead_guest_us(struct perf_hpp *hpp __maybe_unused)
-{
- return 9;
-}
+#define HPP_RAW_FNS(_type, _str, _field, _min_width, _unit_width) \
+__HPP_HEADER_FN(_type, _str, _min_width, _unit_width) \
+__HPP_WIDTH_FN(_type, _min_width, _unit_width) \
+__HPP_ENTRY_RAW_FN(_type, _field)

-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->stat.period_guest_us / hists->stats.total_period;

- return percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%% ", percent);
-}
+HPP_PERCENT_FNS(overhead, "Overhead", period, 8, 8)
+HPP_PERCENT_FNS(overhead_sys, "sys", period_sys, 8, 8)
+HPP_PERCENT_FNS(overhead_us, "usr", period_us, 8, 8)
+HPP_PERCENT_FNS(overhead_guest_sys, "guest sys", period_guest_sys, 9, 8)
+HPP_PERCENT_FNS(overhead_guest_us, "guest usr", period_guest_us, 9, 8)

-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->stat.period_guest_us / hists->stats.total_period;
- const char *fmt = symbol_conf.field_sep ? "%.2f" : " %6.2f%% ";
+HPP_RAW_FNS(samples, "Samples", nr_events, 12, 12)
+HPP_RAW_FNS(period, "Period", period, 12, 12)

- return scnprintf(hpp->buf, hpp->size, fmt, percent);
-}

static int hpp__header_baseline(struct perf_hpp *hpp)
{
@@ -179,7 +135,7 @@ static int hpp__color_baseline(struct perf_hpp *hpp, struct hist_entry *he)
{
double percent = baseline_percent(he);

- if (hist_entry__has_pairs(he))
+ if (hist_entry__has_pairs(he) || symbol_conf.field_sep)
return percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%%", percent);
else
return scnprintf(hpp->buf, hpp->size, " ");
@@ -196,44 +152,6 @@ static int hpp__entry_baseline(struct perf_hpp *hpp, struct hist_entry *he)
return scnprintf(hpp->buf, hpp->size, " ");
}

-static int hpp__header_samples(struct perf_hpp *hpp)
-{
- const char *fmt = symbol_conf.field_sep ? "%s" : "%11s";
-
- return scnprintf(hpp->buf, hpp->size, fmt, "Samples");
-}
-
-static int hpp__width_samples(struct perf_hpp *hpp __maybe_unused)
-{
- return 11;
-}
-
-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->stat.nr_events);
-}
-
-static int hpp__header_period(struct perf_hpp *hpp)
-{
- const char *fmt = symbol_conf.field_sep ? "%s" : "%12s";
-
- return scnprintf(hpp->buf, hpp->size, fmt, "Period");
-}
-
-static int hpp__width_period(struct perf_hpp *hpp __maybe_unused)
-{
- return 12;
-}
-
-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->stat.period);
-}
-
static int hpp__header_period_baseline(struct perf_hpp *hpp)
{
const char *fmt = symbol_conf.field_sep ? "%s" : "%12s";
@@ -254,6 +172,7 @@ static int hpp__entry_period_baseline(struct perf_hpp *hpp, struct hist_entry *h

return scnprintf(hpp->buf, hpp->size, fmt, period);
}
+
static int hpp__header_delta(struct perf_hpp *hpp)
{
const char *fmt = symbol_conf.field_sep ? "%s" : "%7s";
@@ -408,9 +327,20 @@ struct perf_hpp_fmt perf_hpp__format[] = {

LIST_HEAD(perf_hpp__list);

+
#undef HPP__COLOR_PRINT_FNS
#undef HPP__PRINT_FNS

+#undef HPP_PERCENT_FNS
+#undef HPP_RAW_FNS
+
+#undef __HPP_HEADER_FN
+#undef __HPP_WIDTH_FN
+#undef __HPP_COLOR_PERCENT_FN
+#undef __HPP_ENTRY_PERCENT_FN
+#undef __HPP_ENTRY_RAW_FN
+
+
void perf_hpp__init(void)
{
if (symbol_conf.show_cpu_utilization) {
--
1.7.11.7