[PATCH 1/2] perf tools: Introduce perf_evlist__start_workload_ex()

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From	Namhyung Kim <namhyung@kernel.org>
Newsgroups	linux.kernel
Subject	[PATCH 1/2] perf tools: Introduce perf_evlist__start_workload_ex()
Date	Mon, 21 Sep 2015 03:00:02 +0200
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The perf_evlist__start_workload_ex() does same as __start_work() but
also invokes callback which does additional work for each command.

Acked-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
 tools/perf/util/evlist.c | 11 +++++++++++
 tools/perf/util/evlist.h |  4 ++++
 2 files changed, 15 insertions(+)

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index a8643735dcea..12b32a059772 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -1593,6 +1593,17 @@ int perf_evlist__start_workload(struct perf_evlist *evlist)
 	return 0;
 }
 
+int perf_evlist__start_workload_ex(struct perf_evlist *evlist,
+				   workload_callback_t callback, void *arg)
+{
+	int ret = callback(evlist, arg);
+
+	if (ret == 0)
+		ret = perf_evlist__start_workload(evlist);
+
+	return ret;
+}
+
 int perf_evlist__parse_sample(struct perf_evlist *evlist, union perf_event *event,
 			      struct perf_sample *sample)
 {
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 115d8b53c601..a8ee12c54195 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -128,6 +128,10 @@ int perf_evlist__prepare_workload(struct perf_evlist *evlist,
 						     void *ucontext));
 int perf_evlist__start_workload(struct perf_evlist *evlist);
 
+typedef int (*workload_callback_t)(struct perf_evlist *evlist, void *arg);
+int perf_evlist__start_workload_ex(struct perf_evlist *evlist,
+				   workload_callback_t callback, void *arg);
+
 struct option;
 
 int __perf_evlist__parse_mmap_pages(unsigned int *mmap_pages, const char *str);
-- 
2.5.0

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[PATCH 1/2] perf tools: Introduce perf_evlist__start_workload_ex() Namhyung Kim <namhyung@kernel.org> - 2015-09-21 03:00 +0200
  [PATCH 2/2] perf record: Synthesize COMM event for a command line workload Namhyung Kim <namhyung@kernel.org> - 2015-09-21 03:00 +0200
    Re: [PATCH 2/2] perf record: Synthesize COMM event for a command  line workload Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-09-21 21:40 +0200
      Re: [PATCH 2/2] perf record: Synthesize COMM event for a command  line workload Namhyung Kim <namhyung@kernel.org> - 2015-09-22 02:20 +0200

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