From: Namhyung Kim <namhyung@kernel.org>
To: Rob Herring <robh@kernel.org>
Cc: Will Deacon <will@kernel.org>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Jiri Olsa <jolsa@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Mark Rutland <mark.rutland@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Marc Zyngier <maz@kernel.org>,
Oliver Upton <oliver.upton@linux.dev>,
Ingo Molnar <mingo@redhat.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
James Morse <james.morse@arm.com>,
Alexandru Elisei <alexandru.elisei@arm.com>,
kvmarm@lists.linux.dev, linux-perf-users@vger.kernel.org,
linux-kernel@vger.kernel.org, James Clark <james.clark@arm.com>,
Mark Brown <broonie@kernel.org>,
linux-arm-kernel@lists.infradead.org,
kvmarm@lists.cs.columbia.edu
Subject: Re: [PATCH v3 8/8] perf: arm_spe: Add support for SPEv1.2 inverted event filtering
Date: Mon, 7 Nov 2022 11:48:23 -0800 [thread overview]
Message-ID: <CAM9d7ciYabTpo0q5Z8h229dZ+RXG7JP1zgOoR1fgdZZCH87vow@mail.gmail.com> (raw)
In-Reply-To: <20220825-arm-spe-v8-7-v3-8-87682f78caac@kernel.org>
Hello,
On Fri, Nov 4, 2022 at 8:55 AM Rob Herring <robh@kernel.org> wrote:
>
> Arm SPEv1.2 (Arm v8.7/v9.2) adds a new feature called Inverted Event
> Filter which excludes samples matching the event filter. The feature
> mirrors the existing event filter in PMSEVFR_EL1 adding a new register,
> PMSNEVFR_EL1, which has the same event bit assignments.
Just out of curiosity, is it possible to have the event filter and
inverted filter at the same time? What if they have the same?
Thanks,
Namhyung
>
> Tested-by: James Clark <james.clark@arm.com>
> Signed-off-by: Rob Herring <robh@kernel.org>
> ---
> v3:
> - No change
> v2:
> - Update for auto generated register defines
> - Avoid accessing SYS_PMSNEVFR_EL1 on < v8.7
> ---
WARNING: multiple messages have this Message-ID (diff)
From: Namhyung Kim <namhyung@kernel.org>
To: Rob Herring <robh@kernel.org>
Cc: Will Deacon <will@kernel.org>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Jiri Olsa <jolsa@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Mark Rutland <mark.rutland@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Marc Zyngier <maz@kernel.org>,
Oliver Upton <oliver.upton@linux.dev>,
Ingo Molnar <mingo@redhat.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
James Morse <james.morse@arm.com>,
Alexandru Elisei <alexandru.elisei@arm.com>,
kvmarm@lists.linux.dev, linux-perf-users@vger.kernel.org,
linux-kernel@vger.kernel.org, James Clark <james.clark@arm.com>,
Mark Brown <broonie@kernel.org>,
linux-arm-kernel@lists.infradead.org,
kvmarm@lists.cs.columbia.edu
Subject: Re: [PATCH v3 8/8] perf: arm_spe: Add support for SPEv1.2 inverted event filtering
Date: Mon, 7 Nov 2022 11:48:23 -0800 [thread overview]
Message-ID: <CAM9d7ciYabTpo0q5Z8h229dZ+RXG7JP1zgOoR1fgdZZCH87vow@mail.gmail.com> (raw)
In-Reply-To: <20220825-arm-spe-v8-7-v3-8-87682f78caac@kernel.org>
Hello,
On Fri, Nov 4, 2022 at 8:55 AM Rob Herring <robh@kernel.org> wrote:
>
> Arm SPEv1.2 (Arm v8.7/v9.2) adds a new feature called Inverted Event
> Filter which excludes samples matching the event filter. The feature
> mirrors the existing event filter in PMSEVFR_EL1 adding a new register,
> PMSNEVFR_EL1, which has the same event bit assignments.
Just out of curiosity, is it possible to have the event filter and
inverted filter at the same time? What if they have the same?
Thanks,
Namhyung
>
> Tested-by: James Clark <james.clark@arm.com>
> Signed-off-by: Rob Herring <robh@kernel.org>
> ---
> v3:
> - No change
> v2:
> - Update for auto generated register defines
> - Avoid accessing SYS_PMSNEVFR_EL1 on < v8.7
> ---
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: Namhyung Kim <namhyung@kernel.org>
To: Rob Herring <robh@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Mark Brown <broonie@kernel.org>,
linux-kernel@vger.kernel.org,
Arnaldo Carvalho de Melo <acme@kernel.org>,
linux-perf-users@vger.kernel.org,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Ingo Molnar <mingo@redhat.com>, Jiri Olsa <jolsa@kernel.org>,
Marc Zyngier <maz@kernel.org>,
kvmarm@lists.linux.dev, Will Deacon <will@kernel.org>,
kvmarm@lists.cs.columbia.edu,
linux-arm-kernel@lists.infradead.org,
James Clark <james.clark@arm.com>
Subject: Re: [PATCH v3 8/8] perf: arm_spe: Add support for SPEv1.2 inverted event filtering
Date: Mon, 7 Nov 2022 11:48:23 -0800 [thread overview]
Message-ID: <CAM9d7ciYabTpo0q5Z8h229dZ+RXG7JP1zgOoR1fgdZZCH87vow@mail.gmail.com> (raw)
In-Reply-To: <20220825-arm-spe-v8-7-v3-8-87682f78caac@kernel.org>
Hello,
On Fri, Nov 4, 2022 at 8:55 AM Rob Herring <robh@kernel.org> wrote:
>
> Arm SPEv1.2 (Arm v8.7/v9.2) adds a new feature called Inverted Event
> Filter which excludes samples matching the event filter. The feature
> mirrors the existing event filter in PMSEVFR_EL1 adding a new register,
> PMSNEVFR_EL1, which has the same event bit assignments.
Just out of curiosity, is it possible to have the event filter and
inverted filter at the same time? What if they have the same?
Thanks,
Namhyung
>
> Tested-by: James Clark <james.clark@arm.com>
> Signed-off-by: Rob Herring <robh@kernel.org>
> ---
> v3:
> - No change
> v2:
> - Update for auto generated register defines
> - Avoid accessing SYS_PMSNEVFR_EL1 on < v8.7
> ---
_______________________________________________
kvmarm mailing list
kvmarm@lists.cs.columbia.edu
https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
next prev parent reply other threads:[~2022-11-07 19:48 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-04 15:55 [PATCH v3 0/8] perf: Arm SPEv1.2 support Rob Herring
2022-11-04 15:55 ` Rob Herring
2022-11-04 15:55 ` Rob Herring
2022-11-04 15:55 ` [PATCH v3 1/8] perf: arm_spe: Use feature numbering for PMSEVFR_EL1 defines Rob Herring
2022-11-04 15:55 ` Rob Herring
2022-11-04 15:55 ` Rob Herring
2022-11-04 15:55 ` [PATCH v3 2/8] arm64: Drop SYS_ from SPE register defines Rob Herring
2022-11-04 15:55 ` Rob Herring
2022-11-04 15:55 ` Rob Herring
2022-11-04 15:55 ` [PATCH v3 3/8] arm64/sysreg: Convert SPE registers to automatic generation Rob Herring
2022-11-04 15:55 ` Rob Herring
2022-11-04 15:55 ` Rob Herring
2022-11-07 15:11 ` Mark Brown
2022-11-07 15:11 ` Mark Brown
2022-11-07 15:11 ` Mark Brown
2022-11-04 15:55 ` [PATCH v3 4/8] perf: arm_spe: Drop BIT() and use FIELD_GET/PREP accessors Rob Herring
2022-11-04 15:55 ` Rob Herring
2022-11-04 15:55 ` Rob Herring
2022-11-04 15:55 ` [PATCH v3 5/8] perf: arm_spe: Use new PMSIDR_EL1 register enums Rob Herring
2022-11-04 15:55 ` Rob Herring
2022-11-04 15:55 ` Rob Herring
2022-11-04 15:55 ` [PATCH v3 6/8] perf: arm_spe: Support new SPEv1.2/v8.7 'not taken' event Rob Herring
2022-11-04 15:55 ` Rob Herring
2022-11-04 15:55 ` Rob Herring
2022-11-04 15:55 ` [PATCH v3 7/8] perf: Add perf_event_attr::config3 Rob Herring
2022-11-04 15:55 ` Rob Herring
2022-11-04 15:55 ` Rob Herring
2022-11-18 16:49 ` Will Deacon
2022-11-18 16:49 ` Will Deacon
2022-11-18 16:49 ` Will Deacon
2022-11-28 15:37 ` Rob Herring
2022-11-28 15:37 ` Rob Herring
2022-11-28 15:37 ` Rob Herring
2022-11-28 16:35 ` Alexander Shishkin
2022-11-28 16:35 ` Alexander Shishkin
2022-11-28 16:35 ` Alexander Shishkin
2022-11-28 17:15 ` Rob Herring
2022-11-28 17:15 ` Rob Herring
2022-11-28 17:15 ` Rob Herring
2022-12-06 16:28 ` Mark Rutland
2022-12-06 16:28 ` Mark Rutland
2022-12-06 16:28 ` Mark Rutland
2022-12-07 19:56 ` Rob Herring
2022-12-07 19:56 ` Rob Herring
2022-12-07 19:56 ` Rob Herring
2022-11-04 15:55 ` [PATCH v3 8/8] perf: arm_spe: Add support for SPEv1.2 inverted event filtering Rob Herring
2022-11-04 15:55 ` Rob Herring
2022-11-04 15:55 ` Rob Herring
2022-11-07 19:48 ` Namhyung Kim [this message]
2022-11-07 19:48 ` Namhyung Kim
2022-11-07 19:48 ` Namhyung Kim
2022-11-08 13:12 ` Rob Herring
2022-11-08 13:12 ` Rob Herring
2022-11-08 13:12 ` Rob Herring
2022-11-17 14:43 ` [PATCH v3 0/8] perf: Arm SPEv1.2 support Rob Herring
2022-11-17 14:43 ` Rob Herring
2022-11-17 14:43 ` Rob Herring
2022-11-18 16:50 ` Will Deacon
2022-11-18 16:50 ` Will Deacon
2022-11-18 16:50 ` Will Deacon
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