[PATCH v2 04/20] perf/hw_breakpoint: perf/core: advertise PMU exclusion capability

From: Andrew Murray
Date: Mon Nov 26 2018 - 06:13:48 EST


The breakpoint PMU has the capability to exclude kernel contexts,
let's advertise that we support the PERF_PMU_CAP_EXCLUDE
capability so that perf doesn't prevent us from handling events
with any exclusion flags set.

Signed-off-by: Andrew Murray <andrew.murray@xxxxxxx>
---
kernel/events/hw_breakpoint.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/kernel/events/hw_breakpoint.c b/kernel/events/hw_breakpoint.c
index d6b5618..fefe3d5 100644
--- a/kernel/events/hw_breakpoint.c
+++ b/kernel/events/hw_breakpoint.c
@@ -669,6 +669,8 @@ static struct pmu perf_breakpoint = {
.start = hw_breakpoint_start,
.stop = hw_breakpoint_stop,
.read = hw_breakpoint_pmu_read,
+
+ .capabilities = PERF_PMU_CAP_EXCLUDE,
};

int __init init_hw_breakpoint(void)
--
2.7.4