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cpumf/pai: Omit detailed event information when summary flag selected

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When the summary flag is selected do not print detailed information
on every single event. Just print the summary information on each
non-zero counter value.

Suggested-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Thomas Richter
2022-06-28 12:27:50 +02:00
committed by Jan Höppner
parent 56529261db
commit dc73c77d73
1 changed files with 12 additions and 2 deletions
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14
cpumf/pai.c
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@@ -57,6 +57,7 @@ static cpu_set_t cpu_online_mask;
static int verbose, humantime;
static struct util_list list_pai_event;
static struct util_list list_pmu_event;
static bool summary;
/* System call to perf_event_open(2) */
static long perf_event_open(struct perf_event_attr *hw_event, pid_t pid,
@@ -392,7 +393,10 @@ static int evtraw_show(__u64 evtnum, unsigned char *p)
offset += sizeof(ctr);
value = *(__u64 *)(p + offset);
offset += sizeof(value);
printf("%c%hd:%#llx", offset > 14 ? ',' : ' ', ctr, value);
if (!summary) {
printf("%c%hd:%#llx", offset > 14 ? ',' : ' ', ctr,
value);
}
lookup_event(evtnum, ctr, value);
if (offset + sizeof(ctr) + sizeof(value) > bytes)
break;
@@ -421,6 +425,12 @@ static const char *evt_selector(struct perf_event_attr *pa)
static void evt_show(__u64 evtnum, const char *evtsel, struct pai_event_out *ev)
{
if (summary) {
if (ev->type == PERF_RECORD_SAMPLE)
evtraw_show(evtnum, ev->raw);
return;
}
timestamp(ev->time);
printf("%d ", ev->cpu);
@@ -999,7 +1009,7 @@ static unsigned long check_mapsize(unsigned long n)
int main(int argc, char **argv)
{
bool crypto_record = false, report = false, summary = false;
bool crypto_record = false, report = false;
bool nnpa_record = false;
unsigned long loop_count = 1;
int ch, group = 0;