diff options
| author |   Andrew Murray <andrew.murray@arm.com> | 2019-01-10 13:53:29 +0000 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2019-01-21 11:01:24 +0100 |
| commit | 306563985819ed2af9df0a26ae368ed12cf28f41 (patch) | |
| tree | 039d6072194bf76792f4821f792a2d15ce57ce63 /drivers/perf/arm-cci.c | |
| parent | perf/core, arch/arm: Use PERF_PMU_CAP_NO_EXCLUDE for exclusion incapable PMUs (diff) | |
| download | linux-dev-306563985819ed2af9df0a26ae368ed12cf28f41.tar.xz linux-dev-306563985819ed2af9df0a26ae368ed12cf28f41.zip | |
For drivers that do not support context exclusion let's advertise the
PERF_PMU_CAP_NO_EXCLUDE capability. This ensures that perf will
prevent us from handling events where any exclusion flags are set.
Let's also remove the now unnecessary check for exclusion flags.
Signed-off-by: Andrew Murray <andrew.murray@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: robin.murphy@arm.com
Cc: suzuki.poulose@arm.com
Link: https://lkml.kernel.org/r/1547128414-50693-8-git-send-email-andrew.murray@arm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/perf/arm-cci.c')
| -rw-r--r-- | drivers/perf/arm-cci.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/drivers/perf/arm-cci.c b/drivers/perf/arm-cci.c index 1bfeb160c5b1..bfd03e023308 100644 --- a/drivers/perf/arm-cci.c +++ b/drivers/perf/arm-cci.c @@ -1327,15 +1327,6 @@ static int cci_pmu_event_init(struct perf_event *event) if (is_sampling_event(event) || event->attach_state & PERF_ATTACH_TASK) return -EOPNOTSUPP; - /* 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; - /* * Following the example set by other "uncore" PMUs, we accept any CPU * and rewrite its affinity dynamically rather than having perf core @@ -1433,6 +1424,7 @@ static int cci_pmu_init(struct cci_pmu *cci_pmu, struct platform_device *pdev) .stop = cci_pmu_stop, .read = pmu_read, .attr_groups = pmu_attr_groups, + .capabilities = PERF_PMU_CAP_NO_EXCLUDE, }; cci_pmu->plat_device = pdev; |