[v3,02/12] perf/core: add function to test for event exclusion flags

Message ID 1544114849-47266-3-git-send-email-andrew.murray@arm.com
State Not Applicable
Headers show
Series
  • perf/core: Generalise event exclusion checking
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Commit Message

Andrew Murray Dec. 6, 2018, 4:47 p.m.
Add a function that tests if any of the perf event exclusion flags
are set on a given event.

Signed-off-by: Andrew Murray <andrew.murray@arm.com>
---
 include/linux/perf_event.h | 9 +++++++++
 1 file changed, 9 insertions(+)

Patch

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 53c500f..b2e806f 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -1004,6 +1004,15 @@  perf_event__output_id_sample(struct perf_event *event,
 extern void
 perf_log_lost_samples(struct perf_event *event, u64 lost);
 
+static inline bool event_has_any_exclude_flag(struct perf_event *event)
+{
+	struct perf_event_attr *attr = &event->attr;
+
+	return attr->exclude_idle || attr->exclude_user ||
+	       attr->exclude_kernel || attr->exclude_hv ||
+	       attr->exclude_guest || attr->exclude_host;
+}
+
 static inline bool is_sampling_event(struct perf_event *event)
 {
 	return event->attr.sample_period != 0;