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authorDavid S. Miller <davem@davemloft.net>2016-07-23 19:31:37 -0400
committerDavid S. Miller <davem@davemloft.net>2016-07-24 00:53:32 -0400
commitde0ba9a0d8909996f9e293d311c2cc459fa77d67 (patch)
tree199214afc477824bf431d11d08834ff7555c994b /kernel/events/core.c
parentd95a93a9b71677a43f967a1b7986decab84b7765 (diff)
parent107df03203bb66de56e2caec3bde6d22b55480c5 (diff)
downloadblackbird-op-linux-de0ba9a0d8909996f9e293d311c2cc459fa77d67.tar.gz
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Just several instances of overlapping changes. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/events/core.c')
-rw-r--r--kernel/events/core.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c
index b1891b6b5c1f..195e765079dd 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -1678,12 +1678,33 @@ static bool is_orphaned_event(struct perf_event *event)
return event->state == PERF_EVENT_STATE_DEAD;
}
-static inline int pmu_filter_match(struct perf_event *event)
+static inline int __pmu_filter_match(struct perf_event *event)
{
struct pmu *pmu = event->pmu;
return pmu->filter_match ? pmu->filter_match(event) : 1;
}
+/*
+ * Check whether we should attempt to schedule an event group based on
+ * PMU-specific filtering. An event group can consist of HW and SW events,
+ * potentially with a SW leader, so we must check all the filters, to
+ * determine whether a group is schedulable:
+ */
+static inline int pmu_filter_match(struct perf_event *event)
+{
+ struct perf_event *child;
+
+ if (!__pmu_filter_match(event))
+ return 0;
+
+ list_for_each_entry(child, &event->sibling_list, group_entry) {
+ if (!__pmu_filter_match(child))
+ return 0;
+ }
+
+ return 1;
+}
+
static inline int
event_filter_match(struct perf_event *event)
{
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