linux-kernel - [tip:perf/core] perf evsel: Introduce perf_evsel__compute

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Date:	Sun, 7 Dec 2014 22:50:15 -0800
From:	tip-bot for Jiri Olsa <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	cjashfor@...ux.vnet.ibm.com, acme@...hat.com, tglx@...utronix.de,
	eranian@...gle.com, linux-kernel@...r.kernel.org,
	namhyung@...nel.org, ak@...ux.intel.com, hpa@...or.com,
	matt.fleming@...el.com, paulus@...ba.org, jolsa@...nel.org,
	dsahern@...il.com, a.p.zijlstra@...llo.nl, mingo@...nel.org,
	fweisbec@...il.com
Subject: [tip:perf/core] perf evsel:
  Introduce perf_evsel__compute_deltas function

Commit-ID:  857a94a226d7d345c3f492d5679e802e59f824a9
Gitweb:     http://git.kernel.org/tip/857a94a226d7d345c3f492d5679e802e59f824a9
Author:     Jiri Olsa <jolsa@...nel.org>
AuthorDate: Fri, 21 Nov 2014 10:31:05 +0100
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Mon, 24 Nov 2014 18:03:49 -0300

perf evsel: Introduce perf_evsel__compute_deltas function

Making compute_deltas functions global and renaming it to
perf_evsel__compute_deltas.

It will be used in stat command in later patch.

Signed-off-by: Jiri Olsa <jolsa@...nel.org>
Cc: Andi Kleen <ak@...ux.intel.com>
Cc: Corey Ashford <cjashfor@...ux.vnet.ibm.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Matt Fleming <matt.fleming@...el.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lkml.kernel.org/r/1416562275-12404-2-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/evsel.c | 9 ++++-----
 tools/perf/util/evsel.h | 3 +++
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index f2dc91f..1c73bc4 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -876,9 +876,8 @@ void perf_evsel__delete(struct perf_evsel *evsel)
 	free(evsel);
 }
 
-static inline void compute_deltas(struct perf_evsel *evsel,
-				  int cpu,
-				  struct perf_counts_values *count)
+void perf_evsel__compute_deltas(struct perf_evsel *evsel, int cpu,
+				struct perf_counts_values *count)
 {
 	struct perf_counts_values tmp;
 
@@ -913,7 +912,7 @@ int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
 	if (readn(FD(evsel, cpu, thread), &count, nv * sizeof(u64)) < 0)
 		return -errno;
 
-	compute_deltas(evsel, cpu, &count);
+	perf_evsel__compute_deltas(evsel, cpu, &count);
 
 	if (scale) {
 		if (count.run == 0)
@@ -956,7 +955,7 @@ int __perf_evsel__read(struct perf_evsel *evsel,
 		}
 	}
 
-	compute_deltas(evsel, -1, aggr);
+	perf_evsel__compute_deltas(evsel, -1, aggr);
 
 	evsel->counts->scaled = 0;
 	if (scale) {
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 9797909..746b7ea 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -110,6 +110,9 @@ struct thread_map;
 struct perf_evlist;
 struct record_opts;
 
+void perf_evsel__compute_deltas(struct perf_evsel *evsel, int cpu,
+				struct perf_counts_values *count);
+
 int perf_evsel__object_config(size_t object_size,
 			      int (*init)(struct perf_evsel *evsel),
 			      void (*fini)(struct perf_evsel *evsel));
--
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