[PATCH 6/8] perf evlist: Add fprintf method

From: Arnaldo Carvalho de Melo
Date: Thu Sep 06 2012 - 15:32:28 EST


From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>

For debugging, etc.

Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-fjimge1ovgh976qlt8dtmlp0@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/util/evlist.c | 13 +++++++++++++
tools/perf/util/evlist.h | 2 ++
2 files changed, 15 insertions(+)

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 4774ac1..8923537 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -889,3 +889,16 @@ int perf_evlist__parse_sample(struct perf_evlist *evlist, union perf_event *even
struct perf_evsel *evsel = perf_evlist__first(evlist);
return perf_evsel__parse_sample(evsel, event, sample, swapped);
}
+
+size_t perf_evlist__fprintf(struct perf_evlist *evlist, FILE *fp)
+{
+ struct perf_evsel *evsel;
+ size_t printed = 0;
+
+ list_for_each_entry(evsel, &evlist->entries, node) {
+ printed += fprintf(fp, "%s%s", evsel->idx ? ", " : "",
+ perf_evsel__name(evsel));
+ }
+
+ return printed + fprintf(fp, "\n");;
+}
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 2ed2557..3f2e1e4 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -143,4 +143,6 @@ static inline struct perf_evsel *perf_evlist__last(struct perf_evlist *evlist)
{
return list_entry(evlist->entries.prev, struct perf_evsel, node);
}
+
+size_t perf_evlist__fprintf(struct perf_evlist *evlist, FILE *fp);
#endif /* __PERF_EVLIST_H */
--
1.7.9.2.358.g22243

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