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Diffstat (limited to 'tools/perf/util/metricgroup.c')
-rw-r--r--tools/perf/util/metricgroup.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
index 3cc6c47402bd..595b83142d2c 100644
--- a/tools/perf/util/metricgroup.c
+++ b/tools/perf/util/metricgroup.c
@@ -179,7 +179,7 @@ static void metric__watchdog_constraint_hint(const char *name, bool foot)
" echo 1 > /proc/sys/kernel/nmi_watchdog\n");
}
-static bool metric__group_events(const struct pmu_metric *pm)
+static bool metric__group_events(const struct pmu_metric *pm, bool metric_no_threshold)
{
switch (pm->event_grouping) {
case MetricNoGroupEvents:
@@ -191,6 +191,13 @@ static bool metric__group_events(const struct pmu_metric *pm)
return false;
case MetricNoGroupEventsSmt:
return !smt_on();
+ case MetricNoGroupEventsThresholdAndNmi:
+ if (metric_no_threshold)
+ return true;
+ if (!sysctl__nmi_watchdog_enabled())
+ return true;
+ metric__watchdog_constraint_hint(pm->metric_name, /*foot=*/false);
+ return false;
case MetricGroupEvents:
default:
return true;
@@ -212,6 +219,7 @@ static void metric__free(struct metric *m)
static struct metric *metric__new(const struct pmu_metric *pm,
const char *modifier,
bool metric_no_group,
+ bool metric_no_threshold,
int runtime,
const char *user_requested_cpu_list,
bool system_wide)
@@ -246,7 +254,7 @@ static struct metric *metric__new(const struct pmu_metric *pm,
}
m->pctx->sctx.runtime = runtime;
m->pctx->sctx.system_wide = system_wide;
- m->group_events = !metric_no_group && metric__group_events(pm);
+ m->group_events = !metric_no_group && metric__group_events(pm, metric_no_threshold);
m->metric_refs = NULL;
m->evlist = NULL;
@@ -831,8 +839,8 @@ static int __add_metric(struct list_head *metric_list,
* This metric is the root of a tree and may reference other
* metrics that are added recursively.
*/
- root_metric = metric__new(pm, modifier, metric_no_group, runtime,
- user_requested_cpu_list, system_wide);
+ root_metric = metric__new(pm, modifier, metric_no_group, metric_no_threshold,
+ runtime, user_requested_cpu_list, system_wide);
if (!root_metric)
return -ENOMEM;