linux-kernel - [PATCH V4 6/7] perf,tools: caculate and save freq/CPU%/CORE_BUSY% in he

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Date:	Tue, 18 Aug 2015 10:16:40 -0400
From:	Kan Liang <kan.liang@...el.com>
To:	acme@...nel.org
Cc:	a.p.zijlstra@...llo.nl, luto@...nel.org, mingo@...hat.com,
	eranian@...gle.com, ak@...ux.intel.com, mark.rutland@....com,
	adrian.hunter@...el.com, jolsa@...nel.org, namhyung@...nel.org,
	linux-kernel@...r.kernel.org, Kan Liang <kan.liang@...el.com>
Subject: [PATCH V4 6/7] perf,tools: caculate and save freq/CPU%/CORE_BUSY% in he_stat

From: Kan Liang <kan.liang@...el.com>

Caculate freq/CPU%/CORE_BUSY% in add_entry_cb, and update the value in
he_stat.

Signed-off-by: Kan Liang <kan.liang@...el.com>
---
 tools/perf/builtin-report.c | 36 ++++++++++++++++++++++++++++++++++++
 tools/perf/util/sort.h      |  3 +++
 2 files changed, 39 insertions(+)

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 62b285e..1bc74acd 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -89,6 +89,38 @@ static int report__config(const char *var, const char *value, void *cb)
 	return perf_default_config(var, value, cb);
 }
 
+static void set_he_freq_perf(struct perf_session *session,
+			     struct hist_entry_iter *iter)
+{
+	struct hist_entry *he = iter->he;
+	struct perf_evsel *evsel = iter->evsel;
+	struct perf_evsel *leader = evsel;
+	struct perf_sample *sample = iter->sample;
+	struct perf_evlist *evlist = session->evlist;
+	u64 cpu_max_freq = session->header.env.cpu_attr[PERF_HEADER_CPU_MAX_FREQ];
+	perf_freq_t data = { 0 };
+	u64 nr = 0;
+
+	perf_freq__init(session->header.env.msr_pmu_type,
+			evsel, data,
+			sample->read.group.values[nr].value);
+	evlist__for_each_continue(evlist, evsel) {
+		if ((evsel->leader != leader) ||
+		     (++nr >= sample->read.group.nr))
+			break;
+		perf_freq__init(session->header.env.msr_pmu_type,
+				evsel, data,
+				sample->read.group.values[nr].value);
+	}
+
+	if (perf_freq__has_freq(data))
+		he->stat.freq = perf_freq__get_freq(data, cpu_max_freq/1000);
+	if (perf_freq__has_cpu_util(data))
+		he->stat.cpu_util = perf_freq__get_cpu_util(data);
+	if (perf_freq__has_core_busy(data))
+		he->stat.core_busy = perf_freq__get_core_busy(data);
+}
+
 static int hist_iter__report_callback(struct hist_entry_iter *iter,
 				      struct addr_location *al, bool single,
 				      void *arg)
@@ -100,6 +132,10 @@ static int hist_iter__report_callback(struct hist_entry_iter *iter,
 	struct mem_info *mi;
 	struct branch_info *bi;
 
+	if ((iter->ops == &hist_iter_normal) &&
+	    perf_evsel__is_group_leader(evsel))
+		set_he_freq_perf(rep->session, iter);
+
 	if (!ui__has_annotation())
 		return 0;
 
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index 3c2a399..9ed52e6 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -54,6 +54,9 @@ struct he_stat {
 	u64			period_guest_us;
 	u64			weight;
 	u32			nr_events;
+	u64			freq;
+	u64			cpu_util;
+	u64			core_busy;
 };
 
 struct hist_entry_diff {
-- 
1.8.3.1

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