UPSTREAM: arm64: perf: add format entry to describe event -> config mapping

[firefly-linux-kernel-4.4.55.git] / arch / arm64 / kernel / perf_event.c

diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
index f0356a8f611010c7ebb34a13c6bde8f26ed3e070..6fdcfb6713098dc0cbd0578a34fc8fedc0c84659 100644 (file)
--- a/arch/arm64/kernel/perf_event.c
+++ b/arch/arm64/kernel/perf_event.c
@@ -297,7 +297,7 @@ static struct attribute *armv8_pmuv3_event_attrs[] = {
        &armv8_event_attr_l21_tlb_refill.attr.attr,
        &armv8_event_attr_l2d_tlb.attr.attr,
        &armv8_event_attr_l21_tlb.attr.attr,
-       NULL
+       NULL,
 };
 
 static struct attribute_group armv8_pmuv3_events_attr_group = {
@@ -305,11 +305,25 @@ static struct attribute_group armv8_pmuv3_events_attr_group = {
        .attrs = armv8_pmuv3_event_attrs,
 };
 
+PMU_FORMAT_ATTR(event, "config:0-9");
+
+static struct attribute *armv8_pmuv3_format_attrs[] = {
+       &format_attr_event.attr,
+       NULL,
+};
+
+static struct attribute_group armv8_pmuv3_format_attr_group = {
+       .name = "format",
+       .attrs = armv8_pmuv3_format_attrs,
+};
+
 static const struct attribute_group *armv8_pmuv3_attr_groups[] = {
        &armv8_pmuv3_events_attr_group,
-       NULL
+       &armv8_pmuv3_format_attr_group,
+       NULL,
 };
 
+
 /*
  * Perf Events' indices
  */