From: Andrew Murray <andrew.murray@arm.com> To: Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@redhat.com>, Arnaldo Carvalho de Melo <acme@kernel.org>, Richard Henderson <rth@twiddle.net>, Ivan Kokshaysky <ink@jurassic.park.msu.ru>, Matt Turner <mattst88@gmail.com>, Will Deacon <will.deacon@arm.com>, Mark Rutland <mark.rutland@arm.com>, Shawn Guo <shawnguo@kernel.org>, Sascha Hauer <s.hauer@pengutronix.de>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, Paul Mackerras <paulus@samba.org>, Thomas Gleixner <tglx@linutronix.de>, Borislav Petkov <bp@alien8.de>, Russell King <linux@armlinux.org.uk>, suzuki.poulose@arm.com, robin.murphy@arm.com, Michael Ellerman <mpe@ellerman.id.au> Cc: x86@kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-alpha@vger.kernel.org Subject: [PATCH v4 09/13] powerpc: perf/core: use PERF_PMU_CAP_NO_EXCLUDE for exclude incapable PMUs Date: Mon, 7 Jan 2019 16:27:26 +0000 [thread overview] Message-ID: <1546878450-20341-10-git-send-email-andrew.murray@arm.com> (raw) In-Reply-To: <1546878450-20341-1-git-send-email-andrew.murray@arm.com> For PowerPC PMUs 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> Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com> Acked-by: Michael Ellerman <mpe@ellerman.id.au> --- arch/powerpc/perf/hv-24x7.c | 10 +--------- arch/powerpc/perf/hv-gpci.c | 10 +--------- arch/powerpc/perf/imc-pmu.c | 19 +------------------ 3 files changed, 3 insertions(+), 36 deletions(-) diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c index 72238ee..d2b8e60 100644 --- a/arch/powerpc/perf/hv-24x7.c +++ b/arch/powerpc/perf/hv-24x7.c @@ -1306,15 +1306,6 @@ static int h_24x7_event_init(struct perf_event *event) return -EINVAL; } - /* unsupported modes and filters */ - 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; - /* no branch sampling */ if (has_branch_stack(event)) return -EOPNOTSUPP; @@ -1577,6 +1568,7 @@ static struct pmu h_24x7_pmu = { .start_txn = h_24x7_event_start_txn, .commit_txn = h_24x7_event_commit_txn, .cancel_txn = h_24x7_event_cancel_txn, + .capabilities = PERF_PMU_CAP_NO_EXCLUDE, }; static int hv_24x7_init(void) diff --git a/arch/powerpc/perf/hv-gpci.c b/arch/powerpc/perf/hv-gpci.c index 43fabb3..735e77b 100644 --- a/arch/powerpc/perf/hv-gpci.c +++ b/arch/powerpc/perf/hv-gpci.c @@ -232,15 +232,6 @@ static int h_gpci_event_init(struct perf_event *event) return -EINVAL; } - /* unsupported modes and filters */ - 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; - /* no branch sampling */ if (has_branch_stack(event)) return -EOPNOTSUPP; @@ -285,6 +276,7 @@ static struct pmu h_gpci_pmu = { .start = h_gpci_event_start, .stop = h_gpci_event_stop, .read = h_gpci_event_update, + .capabilities = PERF_PMU_CAP_NO_EXCLUDE, }; static int hv_gpci_init(void) diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c index f292a3f..b1c37cc 100644 --- a/arch/powerpc/perf/imc-pmu.c +++ b/arch/powerpc/perf/imc-pmu.c @@ -473,15 +473,6 @@ static int nest_imc_event_init(struct perf_event *event) if (event->hw.sample_period) return -EINVAL; - /* unsupported modes and filters */ - 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; @@ -748,15 +739,6 @@ static int core_imc_event_init(struct perf_event *event) if (event->hw.sample_period) return -EINVAL; - /* unsupported modes and filters */ - 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; @@ -1069,6 +1051,7 @@ static int update_pmu_ops(struct imc_pmu *pmu) pmu->pmu.stop = imc_event_stop; pmu->pmu.read = imc_event_update; pmu->pmu.attr_groups = pmu->attr_groups; + pmu->pmu.capabilities = PERF_PMU_CAP_NO_EXCLUDE; pmu->attr_groups[IMC_FORMAT_ATTR] = &imc_format_group; switch (pmu->domain) { -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: Andrew Murray <andrew.murray@arm.com> To: Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@redhat.com>, Arnaldo Carvalho de Melo <acme@kernel.org>, Richard Henderson <rth@twiddle.net>, Ivan Kokshaysky <ink@jurassic.park.msu.ru>, Matt Turner <mattst88@gmail.com>, Will Deacon <will.deacon@arm.com>, Mark Rutland <mark.rutland@arm.com>, Shawn Guo <shawnguo@kernel.org>, Sascha Hauer <s.hauer@pengutronix.de>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, Paul Mackerras <paulus@samba.org>, Thomas Gleixner <tglx@linutronix.de>, Borislav Petkov <bp@alien8.de>, Russell King <linux@armlinux.org.uk>, suzuki.poulose@arm.com, robin.murphy@arm.com, Michael Ellerman <mpe@ellerman.id.au> Cc: x86@kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-alpha@vger.kernel.org Subject: [PATCH v4 09/13] powerpc: perf/core: use PERF_PMU_CAP_NO_EXCLUDE for exclude incapable PMUs Date: Mon, 7 Jan 2019 16:27:26 +0000 [thread overview] Message-ID: <1546878450-20341-10-git-send-email-andrew.murray@arm.com> (raw) In-Reply-To: <1546878450-20341-1-git-send-email-andrew.murray@arm.com> For PowerPC PMUs 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> Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com> Acked-by: Michael Ellerman <mpe@ellerman.id.au> --- arch/powerpc/perf/hv-24x7.c | 10 +--------- arch/powerpc/perf/hv-gpci.c | 10 +--------- arch/powerpc/perf/imc-pmu.c | 19 +------------------ 3 files changed, 3 insertions(+), 36 deletions(-) diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c index 72238ee..d2b8e60 100644 --- a/arch/powerpc/perf/hv-24x7.c +++ b/arch/powerpc/perf/hv-24x7.c @@ -1306,15 +1306,6 @@ static int h_24x7_event_init(struct perf_event *event) return -EINVAL; } - /* unsupported modes and filters */ - 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; - /* no branch sampling */ if (has_branch_stack(event)) return -EOPNOTSUPP; @@ -1577,6 +1568,7 @@ static struct pmu h_24x7_pmu = { .start_txn = h_24x7_event_start_txn, .commit_txn = h_24x7_event_commit_txn, .cancel_txn = h_24x7_event_cancel_txn, + .capabilities = PERF_PMU_CAP_NO_EXCLUDE, }; static int hv_24x7_init(void) diff --git a/arch/powerpc/perf/hv-gpci.c b/arch/powerpc/perf/hv-gpci.c index 43fabb3..735e77b 100644 --- a/arch/powerpc/perf/hv-gpci.c +++ b/arch/powerpc/perf/hv-gpci.c @@ -232,15 +232,6 @@ static int h_gpci_event_init(struct perf_event *event) return -EINVAL; } - /* unsupported modes and filters */ - 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; - /* no branch sampling */ if (has_branch_stack(event)) return -EOPNOTSUPP; @@ -285,6 +276,7 @@ static struct pmu h_gpci_pmu = { .start = h_gpci_event_start, .stop = h_gpci_event_stop, .read = h_gpci_event_update, + .capabilities = PERF_PMU_CAP_NO_EXCLUDE, }; static int hv_gpci_init(void) diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c index f292a3f..b1c37cc 100644 --- a/arch/powerpc/perf/imc-pmu.c +++ b/arch/powerpc/perf/imc-pmu.c @@ -473,15 +473,6 @@ static int nest_imc_event_init(struct perf_event *event) if (event->hw.sample_period) return -EINVAL; - /* unsupported modes and filters */ - 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; @@ -748,15 +739,6 @@ static int core_imc_event_init(struct perf_event *event) if (event->hw.sample_period) return -EINVAL; - /* unsupported modes and filters */ - 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; @@ -1069,6 +1051,7 @@ static int update_pmu_ops(struct imc_pmu *pmu) pmu->pmu.stop = imc_event_stop; pmu->pmu.read = imc_event_update; pmu->pmu.attr_groups = pmu->attr_groups; + pmu->pmu.capabilities = PERF_PMU_CAP_NO_EXCLUDE; pmu->attr_groups[IMC_FORMAT_ATTR] = &imc_format_group; switch (pmu->domain) { -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-01-07 16:28 UTC|newest] Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-01-07 16:27 [PATCH v4 00/13] perf/core: Generalise event exclusion checking Andrew Murray 2019-01-07 16:27 ` Andrew Murray 2019-01-07 16:27 ` [PATCH v4 01/13] perf/doc: update design.txt for exclude_{host|guest} flags Andrew Murray 2019-01-07 16:27 ` Andrew Murray 2019-01-07 16:27 ` [PATCH v4 02/13] perf/core: add function to test for event exclusion flags Andrew Murray 2019-01-07 16:27 ` Andrew Murray 2019-01-07 16:27 ` [PATCH v4 03/13] perf/core: add PERF_PMU_CAP_NO_EXCLUDE for exclusion incapable PMUs Andrew Murray 2019-01-07 16:27 ` Andrew Murray 2019-01-07 16:27 ` [PATCH v4 04/13] alpha: perf/core: use PERF_PMU_CAP_NO_EXCLUDE Andrew Murray 2019-01-07 16:27 ` Andrew Murray 2019-01-07 16:27 ` [PATCH v4 05/13] arm: perf: conditionally " Andrew Murray 2019-01-07 16:27 ` Andrew Murray 2019-01-08 10:28 ` Peter Zijlstra 2019-01-08 10:28 ` Peter Zijlstra 2019-01-08 10:28 ` Peter Zijlstra 2019-01-08 10:28 ` Peter Zijlstra 2019-01-08 13:07 ` Andrew Murray 2019-01-08 13:07 ` Andrew Murray 2019-01-08 13:07 ` Andrew Murray 2019-01-08 13:10 ` Peter Zijlstra 2019-01-08 13:10 ` Peter Zijlstra 2019-01-08 13:10 ` Peter Zijlstra 2019-01-08 13:10 ` Peter Zijlstra 2019-01-08 13:13 ` Andrew Murray 2019-01-08 13:13 ` Andrew Murray 2019-01-08 13:13 ` Andrew Murray 2019-01-08 14:43 ` Peter Zijlstra 2019-01-08 14:43 ` Peter Zijlstra 2019-01-08 14:43 ` Peter Zijlstra 2019-01-08 14:43 ` Peter Zijlstra 2019-01-07 16:27 ` [PATCH v4 06/13] arm: perf/core: use PERF_PMU_CAP_NO_EXCLUDE for exclude incapable PMUs Andrew Murray 2019-01-07 16:27 ` Andrew Murray 2019-01-07 16:27 ` [PATCH v4 07/13] drivers/perf: " Andrew Murray 2019-01-07 16:27 ` Andrew Murray 2019-01-07 16:27 ` [PATCH v4 08/13] " Andrew Murray 2019-01-07 16:27 ` Andrew Murray 2019-01-07 16:27 ` Andrew Murray [this message] 2019-01-07 16:27 ` [PATCH v4 09/13] powerpc: " Andrew Murray 2019-01-07 16:27 ` [PATCH v4 10/13] x86: " Andrew Murray 2019-01-07 16:27 ` Andrew Murray 2019-01-08 10:48 ` Peter Zijlstra 2019-01-08 10:48 ` Peter Zijlstra 2019-01-08 10:48 ` Peter Zijlstra 2019-01-08 10:48 ` Peter Zijlstra 2019-01-08 13:12 ` Andrew Murray 2019-01-08 13:12 ` Andrew Murray 2019-01-08 13:12 ` Andrew Murray 2019-01-08 13:12 ` Andrew Murray 2019-01-08 16:36 ` Boris Ostrovsky 2019-01-08 16:36 ` Boris Ostrovsky 2019-01-08 16:36 ` Boris Ostrovsky 2019-01-08 16:36 ` Boris Ostrovsky 2019-01-08 18:49 ` Peter Zijlstra 2019-01-08 18:49 ` Peter Zijlstra 2019-01-08 18:49 ` Peter Zijlstra 2019-01-08 18:49 ` Peter Zijlstra 2019-01-10 13:15 ` Michael Ellerman 2019-01-10 13:15 ` Michael Ellerman 2019-01-10 13:15 ` Michael Ellerman 2019-01-10 13:15 ` Michael Ellerman 2019-01-07 16:27 ` [PATCH v4 11/13] " Andrew Murray 2019-01-07 16:27 ` Andrew Murray 2019-01-08 10:49 ` Peter Zijlstra 2019-01-08 10:49 ` Peter Zijlstra 2019-01-08 10:49 ` Peter Zijlstra 2019-01-08 10:49 ` Peter Zijlstra 2019-01-08 13:08 ` Andrew Murray 2019-01-08 13:08 ` Andrew Murray 2019-01-08 13:08 ` Andrew Murray 2019-01-07 16:27 ` [PATCH v4 12/13] perf/core: remove unused perf_flags Andrew Murray 2019-01-07 16:27 ` Andrew Murray 2019-01-07 16:27 ` [PATCH v4 13/13] drivers/perf: use PERF_PMU_CAP_NO_EXCLUDE for Cavium TX2 PMU Andrew Murray 2019-01-07 16:27 ` Andrew Murray 2019-01-10 11:10 ` Will Deacon 2019-01-10 11:10 ` Will Deacon 2019-01-10 11:10 ` Will Deacon
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