summaryrefslogtreecommitdiff
path: root/drivers/perf/arm_dmc620_pmu.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/perf/arm_dmc620_pmu.c')
-rw-r--r--drivers/perf/arm_dmc620_pmu.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/perf/arm_dmc620_pmu.c b/drivers/perf/arm_dmc620_pmu.c
index 5de06f9a4dd3..9d0f01c4455a 100644
--- a/drivers/perf/arm_dmc620_pmu.c
+++ b/drivers/perf/arm_dmc620_pmu.c
@@ -227,9 +227,31 @@ static const struct attribute_group dmc620_pmu_format_attr_group = {
.attrs = dmc620_pmu_formats_attrs,
};
+static ssize_t dmc620_pmu_cpumask_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct dmc620_pmu *dmc620_pmu = to_dmc620_pmu(dev_get_drvdata(dev));
+
+ return cpumap_print_to_pagebuf(true, buf,
+ cpumask_of(dmc620_pmu->irq->cpu));
+}
+
+static struct device_attribute dmc620_pmu_cpumask_attr =
+ __ATTR(cpumask, 0444, dmc620_pmu_cpumask_show, NULL);
+
+static struct attribute *dmc620_pmu_cpumask_attrs[] = {
+ &dmc620_pmu_cpumask_attr.attr,
+ NULL,
+};
+
+static const struct attribute_group dmc620_pmu_cpumask_attr_group = {
+ .attrs = dmc620_pmu_cpumask_attrs,
+};
+
static const struct attribute_group *dmc620_pmu_attr_groups[] = {
&dmc620_pmu_events_attr_group,
&dmc620_pmu_format_attr_group,
+ &dmc620_pmu_cpumask_attr_group,
NULL,
};