[PATCH 27/35] perf tools: Add perf_event__is_guest()

[Adrian Hunter]

Add a helper function to determine if an event is a guest event.

Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
---
 tools/perf/util/event.h | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index a660f304f83c..a7b0931d5137 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -484,4 +484,25 @@ void arch_perf_synthesize_sample_weight(const struct perf_sample *data, __u64 *a
 const char *arch_perf_header_entry(const char *se_header);
 int arch_support_sort_key(const char *sort_key);
 
+static inline bool perf_event_header__cpumode_is_guest(u8 cpumode)
+{
+	return cpumode == PERF_RECORD_MISC_GUEST_KERNEL ||
+	       cpumode == PERF_RECORD_MISC_GUEST_USER;
+}
+
+static inline bool perf_event_header__misc_is_guest(u16 misc)
+{
+	return perf_event_header__cpumode_is_guest(misc & PERF_RECORD_MISC_CPUMODE_MASK);
+}
+
+static inline bool perf_event_header__is_guest(const struct perf_event_header *header)
+{
+	return perf_event_header__misc_is_guest(header->misc);
+}
+
+static inline bool perf_event__is_guest(const union perf_event *event)
+{
+	return perf_event_header__is_guest(&event->header);
+}
+
 #endif /* __PERF_RECORD_H */
-- 
2.25.1