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Subject[PATCH 12/18] perf ui/hist: Add support for event group view
Date
From: Namhyung Kim <namhyung.kim@lge.com>

Show group members' overhead also when showing the leader's if event
group is enabled. Use macro for defining hpp functions which looks
almost identical.

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 | 370 +++++++++++++++++++++++----------------------
tools/perf/ui/stdio/hist.c | 2 +
2 files changed, 191 insertions(+), 181 deletions(-)

diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index aa84130024d5..b42bd15af3f5 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -3,152 +3,198 @@
#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);
-}
-
-static int hpp__entry_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;
- 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");
-}
-
-static int hpp__width_overhead_us(struct perf_hpp *hpp __maybe_unused)
-{
- return 7;
-}
-
-static int hpp__color_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;
-
- return percent_color_snprintf(hpp->buf, hpp->size, "%6.2f%%", percent);
-}
-
-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);
-}
-
-static int hpp__header_overhead_guest_sys(struct perf_hpp *hpp)
-{
- return scnprintf(hpp->buf, hpp->size, "guest sys");
-}
-
-static int hpp__width_overhead_guest_sys(struct perf_hpp *hpp __maybe_unused)
-{
- return 9;
-}
-
-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);
-}
-
-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);
-}
-
-static int hpp__header_overhead_guest_us(struct perf_hpp *hpp)
-{
- return scnprintf(hpp->buf, hpp->size, "guest usr");
-}
-
-static int hpp__width_overhead_guest_us(struct perf_hpp *hpp __maybe_unused)
-{
- return 9;
-}
-
-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);
-}
-
-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%% ";
-
- 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; \
+ \
+ if (symbol_conf.event_group) { \
+ struct perf_evsel *evsel = hpp->ptr; \
+ \
+ len = max(len, evsel->nr_members * _unit_width); \
+ } \
+ return scnprintf(hpp->buf, hpp->size, "%*s", len, _str); \
+}
+
+#define __HPP_WIDTH_FN(_type, _min_width, _unit_width) \
+static int hpp__width_##_type(struct perf_hpp *hpp) \
+{ \
+ int len = _min_width; \
+ \
+ if (symbol_conf.event_group) { \
+ struct perf_evsel *evsel = hpp->ptr; \
+ \
+ len = max(len, evsel->nr_members * _unit_width); \
+ } \
+ return len; \
+}
+
+#define __HPP_COLOR_PERCENT_FN(_type, _field) \
+static int hpp__color_##_type(struct perf_hpp *hpp, struct hist_entry *he) \
+{ \
+ int ret; \
+ double percent = 0.0; \
+ struct hists *hists = he->hists; \
+ \
+ if (hists->stats.total_period) \
+ percent = 100.0 * he->stat._field / hists->stats.total_period; \
+ \
+ ret = percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%%", percent); \
+ \
+ if (symbol_conf.event_group) { \
+ int i; \
+ struct perf_evsel *evsel = hists_to_evsel(hists); \
+ struct hist_entry *pair; \
+ int nr_members = evsel->nr_members; \
+ double *percents; \
+ \
+ if (nr_members <= 1) \
+ return ret; \
+ \
+ percents = zalloc(sizeof(*percents) * nr_members); \
+ if (percents == NULL) { \
+ pr_warning("Not enough memory!\n"); \
+ return ret; \
+ } \
+ \
+ list_for_each_entry(pair, &he->pairs.head, pairs.node) { \
+ u64 period = pair->stat._field; \
+ u64 total = pair->hists->stats.total_period; \
+ \
+ if (!total) \
+ continue; \
+ \
+ evsel = hists_to_evsel(pair->hists); \
+ i = perf_evsel__group_idx(evsel); \
+ percents[i] = 100.0 * period / total; \
+ } \
+ \
+ for (i = 1; i < nr_members; i++) { \
+ ret += percent_color_snprintf(hpp->buf + ret, \
+ hpp->size - ret, \
+ " %6.2f%%", percents[i]); \
+ } \
+ free(percents); \
+ } \
+ return ret; \
+}
+
+#define __HPP_ENTRY_PERCENT_FN(_type, _field) \
+static int hpp__entry_##_type(struct perf_hpp *hpp, struct hist_entry *he) \
+{ \
+ int ret; \
+ double percent = 0.0; \
+ struct hists *hists = he->hists; \
+ const char *fmt = symbol_conf.field_sep ? " %.2f" : " %6.2f%%"; \
+ \
+ if (hists->stats.total_period) \
+ percent = 100.0 * he->stat._field / hists->stats.total_period; \
+ \
+ ret = scnprintf(hpp->buf, hpp->size, fmt, percent); \
+ \
+ if (symbol_conf.event_group) { \
+ int i; \
+ struct perf_evsel *evsel = hists_to_evsel(hists); \
+ struct hist_entry *pair; \
+ int nr_members = evsel->nr_members; \
+ double *percents; \
+ \
+ if (nr_members <= 1) \
+ return ret; \
+ \
+ percents = zalloc(sizeof(*percents) * nr_members); \
+ if (percents == NULL) { \
+ pr_warning("Not enough memory!\n"); \
+ return ret; \
+ } \
+ \
+ list_for_each_entry(pair, &he->pairs.head, pairs.node) { \
+ u64 period = pair->stat._field; \
+ u64 total = pair->hists->stats.total_period; \
+ \
+ if (!total) \
+ continue; \
+ \
+ evsel = hists_to_evsel(pair->hists); \
+ i = perf_evsel__group_idx(evsel); \
+ percents[i] = 100.0 * period / total; \
+ } \
+ \
+ for (i = 1; i < nr_members; i++) { \
+ ret += scnprintf(hpp->buf + ret, hpp->size - ret, \
+ fmt, percents[i]); \
+ } \
+ free(percents); \
+ } \
+ return ret; \
+}
+
+#define __HPP_ENTRY_RAW_FN(_type, _field) \
+static int hpp__entry_##_type(struct perf_hpp *hpp, struct hist_entry *he) \
+{ \
+ int ret; \
+ const char *fmt = symbol_conf.field_sep ? " %"PRIu64 : " %11"PRIu64; \
+ \
+ ret = scnprintf(hpp->buf, hpp->size, fmt, he->stat._field); \
+ \
+ if (symbol_conf.event_group) { \
+ int i; \
+ struct perf_evsel *evsel = hists_to_evsel(he->hists); \
+ struct hist_entry *pair; \
+ int nr_members = evsel->nr_members; \
+ u64 *numbers; \
+ \
+ if (nr_members <= 1) \
+ return ret; \
+ \
+ numbers = zalloc(sizeof(*numbers) * nr_members); \
+ if (numbers == NULL) { \
+ pr_warning("Not enough memory!\n"); \
+ return ret; \
+ } \
+ \
+ list_for_each_entry(pair, &he->pairs.head, pairs.node) { \
+ evsel = hists_to_evsel(pair->hists); \
+ i = perf_evsel__group_idx(evsel); \
+ numbers[i] = pair->stat._field; \
+ } \
+ \
+ for (i = 1; i < nr_members; i++) { \
+ ret += scnprintf(hpp->buf + ret, hpp->size - ret, \
+ fmt, numbers[i]); \
+ } \
+ free(numbers); \
+ } \
+ return ret; \
+}
+
+#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)
+
+#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)
+
+
+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_sys, 8, 8)
+HPP_PERCENT_FNS(overhead_guest_sys, "guest sys", period_sys, 9, 8)
+HPP_PERCENT_FNS(overhead_guest_us, "guest usr", period_sys, 9, 8)
+
+HPP_RAW_FNS(samples, "Samples", nr_events, 12, 12)
+HPP_RAW_FNS(period, "Period", period, 12, 12)
+
+
+/* diff-specific hpp functions */
static int hpp__header_baseline(struct perf_hpp *hpp)
{
return scnprintf(hpp->buf, hpp->size, "Baseline");
@@ -196,44 +242,6 @@ 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";
diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
index f0ee204f99bb..07421d6da5a2 100644
--- a/tools/perf/ui/stdio/hist.c
+++ b/tools/perf/ui/stdio/hist.c
@@ -3,6 +3,7 @@
#include "../../util/util.h"
#include "../../util/hist.h"
#include "../../util/sort.h"
+#include "../../util/evsel.h"


static size_t callchain__fprintf_left_margin(FILE *fp, int left_margin)
@@ -346,6 +347,7 @@ size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
struct perf_hpp dummy_hpp = {
.buf = bf,
.size = sizeof(bf),
+ .ptr = hists_to_evsel(hists),
};
bool first = true;

--
1.7.11.7


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