linux-kernel - [PATCH V10 5/8] perf,tools: caculate and save freq/CPU%/CORE_BUSY% in he

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Message-Id: <1442413316-33518-6-git-send-email-kan.liang@intel.com>
Date:	Wed, 16 Sep 2015 10:21:53 -0400
From:	kan.liang@...el.com
To:	acme@...nel.org, jolsa@...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, namhyung@...nel.org,
	linux-kernel@...r.kernel.org, Kan Liang <kan.liang@...el.com>
Subject: [PATCH V10 5/8] 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>
Acked-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/perf/builtin-report.c | 20 ++++++++++++++++++++
 tools/perf/util/sort.h      |  3 +++
 2 files changed, 23 insertions(+)

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index e4e3f14..e2a2fdd 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -90,6 +90,21 @@ static int report__config(const char *var, const char *value, void *cb)
 	return perf_default_config(var, value, cb);
 }
 
+static void set_he_perf_freq(struct perf_session *session,
+			     struct hist_entry_iter *iter)
+{
+	struct hist_entry *he = iter->he;
+	struct perf_sample *sample = iter->sample;
+	u64 cpu_max_freq = session->header.env.cpuattr.max_freq;
+
+	if (perf_freq__has_freq(sample->freq))
+		he->stat.freq = perf_freq__get_freq(sample->freq, cpu_max_freq/1000);
+	if (perf_freq__has_cpu_util(sample->freq))
+		he->stat.cpu_util = perf_freq__get_cpu_util(sample->freq);
+	if (perf_freq__has_core_busy(sample->freq))
+		he->stat.core_busy = perf_freq__get_core_busy(sample->freq);
+}
+
 static int hist_iter__report_callback(struct hist_entry_iter *iter,
 				      struct addr_location *al, bool single,
 				      void *arg)
@@ -101,6 +116,11 @@ static int hist_iter__report_callback(struct hist_entry_iter *iter,
 	struct mem_info *mi;
 	struct branch_info *bi;
 
+	if (dump_trace &&
+	    (iter->ops == &hist_iter_normal) &&
+	    perf_evsel__is_group_leader(evsel))
+		set_he_perf_freq(rep->session, iter);
+
 	if (!ui__has_annotation())
 		return 0;
 
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index c06b757..0ff2bdd 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -55,6 +55,9 @@ 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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