From: Leo Yan <leo.yan@arm.com>
To: Amir Ayupov <aaupov@fb.com>
Cc: James Clark <james.clark@linaro.org>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Mike Leach <mike.leach@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Will Deacon <will@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jonathan Corbet <corbet@lwn.net>,
Mathieu Poirier <mathieu.poirier@linaro.org>,
Randy Dunlap <rdunlap@infradead.org>,
Shuah Khan <skhan@linuxfoundation.org>,
Daniel Pereira <danielmaraboo@gmail.com>,
coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org,
linux-perf-users@vger.kernel.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 0/7] coresight: Pulse an ETM external output for a PMU event
Date: Thu, 5 Nov 2026 11:43:15 +0000 [thread overview]
Message-ID: <20261105114315.GT9176@e132581.arm.com> (raw)
In-Reply-To: <cover.1792989860.git.aaupov@fb.com>
On Sun, Oct 25, 2026 at 10:48:20PM -0700, Amir Ayupov wrote:
> Add an ETMv4 configuration, pmu_pulse, that drives trace unit external
> output 1 on every traced cycle, so a PMU event counting it (TRCEXTOUT1)
> can end a fixed-length ETM window, for example with aux-action=pause.
> The feature only loads on an ETE whose PMU counts its external outputs.
>
> Patch 1 is Leo's fix for TRCIDR0.NUMEVENT decoding, which patch 6 relies
> on for the number of external outputs.
Maybe it is worth to update patch 03 for Suzuki's comment:
https://lore.kernel.org/linux-arm-kernel/82adee03-a169-4106-99f2-7624a4926037@arm.com/
This series looks good to me and I have verified it:
Tested-by: Leo Yan <leo.yan@arm.com>
prev parent reply other threads:[~2026-11-05 11:43 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-12 23:05 [PATCH v2 0/4] " Amir Ayupov
2026-10-12 23:05 ` [PATCH v2 1/4] coresight: syscfg: Fail to enable a configuration not loaded on the device Amir Ayupov
2026-10-21 14:09 ` Leo Yan
2026-10-12 23:05 ` [PATCH v2 2/4] coresight: syscfg: Match feature capabilities separately from device class Amir Ayupov
2026-10-21 14:39 ` Leo Yan
2026-10-25 6:21 ` Amir Ayupov
2026-10-27 11:21 ` Suzuki K Poulose
2026-10-12 23:05 ` [PATCH v2 3/4] coresight: etm4x: Report the external outputs the PMU counts Amir Ayupov
2026-10-21 16:43 ` Leo Yan
2026-10-23 9:49 ` James Clark
2026-10-23 14:00 ` Leo Yan
2026-10-26 9:22 ` James Clark
2026-10-25 6:34 ` Amir Ayupov
2026-10-23 9:57 ` James Clark
2026-10-12 23:05 ` [PATCH v2 4/4] coresight: Add pmu_pulse/extout_pulse Amir Ayupov
2026-10-13 1:09 ` Daniel Pereira
2026-10-25 6:38 ` Amir Ayupov
2026-10-26 9:36 ` James Clark
2026-10-25 6:39 ` [PATCH v3 0/7] coresight: Pulse an ETM external output for a PMU event Amir Ayupov
2026-10-25 6:39 ` [PATCH v3 1/7] coresight: etm4x: Fix event count decoding Amir Ayupov
2026-10-25 6:39 ` [PATCH v3 2/7] coresight: syscfg: Fail to enable a configuration not loaded on the device Amir Ayupov
2026-10-25 6:39 ` [PATCH v3 3/7] coresight: syscfg: Match feature capabilities separately from device class Amir Ayupov
2026-10-25 6:39 ` [PATCH v3 4/7] coresight: syscfg: Remove unused CS_CFG_MATCH_INST_ANY Amir Ayupov
2026-10-25 6:39 ` [PATCH v3 5/7] perf: arm_pmuv3: Add pmuv3_event_implemented() Amir Ayupov
2026-10-25 17:05 ` kernel test robot
2026-10-26 0:43 ` kernel test robot
2026-10-25 6:39 ` [PATCH v3 6/7] coresight: etm4x: Report whether the PMU counts the external outputs Amir Ayupov
2026-10-25 6:39 ` [PATCH v3 7/7] coresight: Add pmu_pulse/extout_pulse Amir Ayupov
2026-10-26 5:48 ` [PATCH v4 0/7] coresight: Pulse an ETM external output for a PMU event Amir Ayupov
2026-10-26 5:48 ` [PATCH v4 1/7] coresight: etm4x: Fix event count decoding Amir Ayupov
2026-10-26 9:37 ` James Clark
2026-10-26 5:48 ` [PATCH v4 2/7] coresight: syscfg: Fail to enable a configuration not loaded on the device Amir Ayupov
2026-10-26 5:48 ` [PATCH v4 3/7] coresight: syscfg: Match feature capabilities separately from device class Amir Ayupov
2026-10-26 9:45 ` James Clark
2026-11-05 12:24 ` Suzuki K Poulose
2026-10-26 5:48 ` [PATCH v4 4/7] coresight: syscfg: Remove unused CS_CFG_MATCH_INST_ANY Amir Ayupov
2026-10-26 9:45 ` James Clark
2026-10-26 5:48 ` [PATCH v4 5/7] perf: arm_pmuv3: Add pmuv3_event_implemented() Amir Ayupov
2026-10-26 9:47 ` James Clark
2026-11-05 14:54 ` Suzuki K Poulose
2026-11-05 15:10 ` James Clark
2026-10-26 5:48 ` [PATCH v4 6/7] coresight: etm4x: Report whether the PMU counts the external outputs Amir Ayupov
2026-10-26 9:49 ` James Clark
2026-11-05 12:23 ` Suzuki K Poulose
2026-10-26 5:48 ` [PATCH v4 7/7] coresight: Add pmu_pulse/extout_pulse Amir Ayupov
2026-10-26 9:50 ` James Clark
2026-11-05 11:43 ` Leo Yan [this message]
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