From: sashiko-bot@kernel.org
To: "Leo Yan" <leo.yan@arm.com>
Cc: linux-perf-users@vger.kernel.org
Subject: Re: [PATCH v2 04/14] perf cs-etm: Centralize packet ISA initialization
Date: Wed, 23 Sep 2026 15:50:13 +0000 [thread overview]
Message-ID: <20260923155014.5F5D41F000FF@smtp.kernel.org> (raw)
In-Reply-To: <20260923-perf_cs_etm_fix_non_taken-v2-4-6ab8c07a5455@arm.com>
> Exception packets need their own ISA so the frontend can generate samples
> directly from them. Currently, ISA initialization is limited to instruction
> range packets.
>
> Move ISA initialization into cs_etm_decoder__buffer_packet() and use a
> common helper to obtain it from the OpenCSD element. Populate the ISA for
> instruction ranges, context updates and exceptions, leaving it unknown
> for other element types.
>
> Assisted-by: Codex:gpt-6
> Signed-off-by: Leo Yan <leo.yan@arm.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20260923-perf_cs_etm_fix_non_taken-v2-0-6ab8c07a5455@arm.com?part=4
next prev parent reply other threads:[~2026-09-23 15:50 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-23 15:21 [PATCH v2 00/14] perf cs-etm: Fix bogus branch samples on exceptions Leo Yan
2026-09-23 15:21 ` [PATCH v2 01/14] perf sample: Allow decoders to supply branch return addresses Leo Yan
2026-09-23 15:29 ` sashiko-bot
2026-09-24 13:00 ` Adrian Hunter
2026-09-23 15:21 ` [PATCH v2 02/14] perf intel-pt: Preserve return addresses for asynchronous branches Leo Yan
2026-09-23 15:43 ` sashiko-bot
2026-09-24 13:00 ` Adrian Hunter
2026-09-23 15:21 ` [PATCH v2 03/14] perf cs-etm: Break branch history when instruction memory is unavailable Leo Yan
2026-09-23 15:46 ` sashiko-bot
2026-09-23 15:21 ` [PATCH v2 04/14] perf cs-etm: Centralize packet ISA initialization Leo Yan
2026-09-23 15:50 ` sashiko-bot [this message]
2026-09-23 15:21 ` [PATCH v2 05/14] perf cs-etm: Use the recorded instruction size for A32 and A64 Leo Yan
2026-09-23 16:01 ` sashiko-bot
2026-09-29 13:55 ` James Clark
2026-09-23 15:21 ` [PATCH v2 06/14] perf cs-etm: Mark branches that were not taken Leo Yan
2026-09-23 16:09 ` sashiko-bot
2026-09-23 15:21 ` [PATCH v2 07/14] perf cs-etm: Factor out final instruction sample synthesis Leo Yan
2026-09-23 16:13 ` sashiko-bot
2026-09-23 15:21 ` [PATCH v2 08/14] perf cs-etm: Centralize branch sample synthesis checks Leo Yan
2026-09-23 16:18 ` sashiko-bot
2026-09-23 15:21 ` [PATCH v2 09/14] perf cs-etm: Classify exception calls using the exception packet Leo Yan
2026-09-23 16:24 ` sashiko-bot
2026-09-29 14:08 ` James Clark
2026-09-23 15:21 ` [PATCH v2 10/14] perf cs-etm: Synthesize exception entries separately from branches Leo Yan
2026-09-23 16:36 ` sashiko-bot
2026-09-23 15:21 ` [PATCH v2 11/14] perf tests: Check CoreSight IRQ entry and exit Leo Yan
2026-09-23 16:40 ` sashiko-bot
2026-09-29 12:22 ` James Clark
2026-09-23 15:21 ` [PATCH v2 12/14] perf tests: Check CoreSight syscall " Leo Yan
2026-09-23 16:46 ` sashiko-bot
2026-09-23 15:21 ` [PATCH v2 13/14] perf tests: Check CoreSight abort " Leo Yan
2026-09-23 16:49 ` sashiko-bot
2026-09-23 15:21 ` [PATCH v2 14/14] perf tests: Check CoreSight emulated instruction " Leo Yan
2026-09-23 16:56 ` sashiko-bot
2026-09-29 14:41 ` [PATCH v2 00/14] perf cs-etm: Fix bogus branch samples on exceptions James Clark
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