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Subject[PATCH v2 2/7] perf tools: Add clockid_name function
Date
Adding clockid_name function to get the clock name based
on its clockid. It will be used in following changes.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
tools/perf/util/clockid.c | 11 +++++++++++
tools/perf/util/clockid.h | 2 ++
2 files changed, 13 insertions(+)

diff --git a/tools/perf/util/clockid.c b/tools/perf/util/clockid.c
index b7a08606dc3e..74365a5d99c1 100644
--- a/tools/perf/util/clockid.c
+++ b/tools/perf/util/clockid.c
@@ -106,3 +106,14 @@ int parse_clockid(const struct option *opt, const char *str, int unset)
ui__warning("unknown clockid %s, check man page\n", ostr);
return -1;
}
+
+const char *clockid_name(clockid_t clk_id)
+{
+ const struct clockid_map *cm;
+
+ for (cm = clockids; cm->name; cm++) {
+ if (cm->clockid == clk_id)
+ return cm->name;
+ }
+ return "(not found)";
+}
diff --git a/tools/perf/util/clockid.h b/tools/perf/util/clockid.h
index 8e567b3ebbbd..9b49b4711c76 100644
--- a/tools/perf/util/clockid.h
+++ b/tools/perf/util/clockid.h
@@ -6,4 +6,6 @@
struct option;
int parse_clockid(const struct option *opt, const char *str, int unset);

+const char *clockid_name(clockid_t clk_id);
+
#endif
--
2.25.4
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