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-rw-r--r--tools/perf/util/s390-sample-raw.c42
1 files changed, 30 insertions, 12 deletions
diff --git a/tools/perf/util/s390-sample-raw.c b/tools/perf/util/s390-sample-raw.c
index dddd2be59827..235319d45d02 100644
--- a/tools/perf/util/s390-sample-raw.c
+++ b/tools/perf/util/s390-sample-raw.c
@@ -129,6 +129,28 @@ static int get_counterset_start(int setnr)
}
}
+struct get_counter_name_data {
+ int wanted;
+ const char *result;
+};
+
+static int get_counter_name_callback(const struct pmu_event *evp,
+ const struct pmu_event *table __maybe_unused,
+ void *vdata)
+{
+ struct get_counter_name_data *data = vdata;
+ int rc, event_nr;
+
+ if (evp->name == NULL || evp->event == NULL)
+ return 0;
+ rc = sscanf(evp->event, "event=%x", &event_nr);
+ if (rc == 1 && event_nr == data->wanted) {
+ data->result = evp->name;
+ return 1; /* Terminate the search. */
+ }
+ return 0;
+}
+
/* Scan the PMU table and extract the logical name of a counter from the
* PMU events table. Input is the counter set and counter number with in the
* set. Construct the event number and use this as key. If they match return
@@ -137,20 +159,16 @@ static int get_counterset_start(int setnr)
*/
static const char *get_counter_name(int set, int nr, const struct pmu_event *table)
{
- int rc, event_nr, wanted = get_counterset_start(set) + nr;
+ struct get_counter_name_data data = {
+ .wanted = get_counterset_start(set) + nr,
+ .result = NULL,
+ };
- if (table) {
- const struct pmu_event *evp = table;
+ if (!table)
+ return NULL;
- for (; evp->name || evp->event || evp->desc; ++evp) {
- if (evp->name == NULL || evp->event == NULL)
- continue;
- rc = sscanf(evp->event, "event=%x", &event_nr);
- if (rc == 1 && event_nr == wanted)
- return evp->name;
- }
- }
- return NULL;
+ pmu_events_table_for_each_event(table, get_counter_name_callback, &data);
+ return data.result;
}
static void s390_cpumcfdg_dump(struct perf_sample *sample)