[PATCH v4 13/13] drivers/perf: use PERF_PMU_CAP_NO_EXCLUDE for Cavium TX2 PMU
From: Andrew Murray <hidden>
Date: 2019-01-07 16:28:46
Also in:
linux-alpha, linuxppc-dev, lkml
Subsystem:
arm pmu profiling and debugging, the rest · Maintainers:
Will Deacon, Mark Rutland, Linus Torvalds
The Cavium ThunderX2 UNCORE PMU driver doesn't support any event filtering. Let's advertise the PERF_PMU_CAP_NO_EXCLUDE capability to simplify the code. Signed-off-by: Andrew Murray <redacted> --- drivers/perf/thunderx2_pmu.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-)
diff --git a/drivers/perf/thunderx2_pmu.c b/drivers/perf/thunderx2_pmu.c
index c9a1701..43d76c8 100644
--- a/drivers/perf/thunderx2_pmu.c
+++ b/drivers/perf/thunderx2_pmu.c@@ -424,15 +424,6 @@ static int tx2_uncore_event_init(struct perf_event *event) if (is_sampling_event(event) || event->attach_state & PERF_ATTACH_TASK) return -EINVAL; - /* We have no filtering of any kind */ - if (event->attr.exclude_user || - event->attr.exclude_kernel || - event->attr.exclude_hv || - event->attr.exclude_idle || - event->attr.exclude_host || - event->attr.exclude_guest) - return -EINVAL; - if (event->cpu < 0) return -EINVAL;
@@ -572,6 +563,7 @@ static int tx2_uncore_pmu_register( .start = tx2_uncore_event_start, .stop = tx2_uncore_event_stop, .read = tx2_uncore_event_read, + .capabilities = PERF_PMU_CAP_NO_EXCLUDE, }; tx2_pmu->pmu.name = devm_kasprintf(dev, GFP_KERNEL,
--
2.7.4
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