For logging and debug messages it can be convenient to convert a
feature number to a name. Add header_feat__name for this and reuse the
data already within the feat_ops struct.
Signed-off-by: Ian Rogers <irogers@google.com>
---
tools/perf/util/header.c | 7 +++++++
tools/perf/util/header.h | 2 ++
2 files changed, 9 insertions(+)
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 9142a8ba4019..fcd53271e189 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -3770,6 +3770,13 @@ struct header_print_data {
bool full; /* extended list of headers */
};
+const char *header_feat__name(unsigned int id)
+{
+ if (id < HEADER_LAST_FEATURE)
+ return feat_ops[id].name ?: "INVALID";
+ return "INVALID";
+}
+
static int perf_file_section__fprintf_info(struct perf_file_section *section,
struct perf_header *ph,
int feat, int fd, void *data)
diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h
index cc40ac796f52..ca22030a1434 100644
--- a/tools/perf/util/header.h
+++ b/tools/perf/util/header.h
@@ -132,6 +132,8 @@ struct perf_header_feature_ops {
extern const char perf_version_string[];
+const char *header_feat__name(unsigned int id);
+
int perf_session__read_header(struct perf_session *session);
int perf_session__write_header(struct perf_session *session,
struct evlist *evlist,
--
2.53.0.1118.gaef5881109-goog