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Mon, 26 Oct 2026 02:36:28 -0700 (PDT) Received: from [192.168.1.3] ([37.18.141.193]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4a35a0bdd59sm118131875e9.4.2026.10.26.02.36.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 26 Oct 2026 02:36:27 -0700 (PDT) Message-ID: <93c294c5-157f-42bb-9940-79082ac37c74@linaro.org> Date: Mon, 26 Oct 2026 09:36:26 +0000 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 4/4] coresight: Add pmu_pulse/extout_pulse To: Amir Ayupov , Daniel Pereira Cc: Leo Yan , Suzuki K Poulose , Mike Leach , Alexander Shishkin , Jonathan Corbet , Randy Dunlap , Shuah Khan , coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org References: <20261025063846.3112301-1-aaupov@fb.com> Content-Language: en-US From: James Clark In-Reply-To: <20261025063846.3112301-1-aaupov@fb.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 25/10/2026 06:38, Amir Ayupov wrote: > On Mon, 12 Oct 2026 22:09:35 -0300 Daniel Pereira wrote: > >> On Mon, Oct 12, 2026 at 04:05:23PM -0700, Amir Ayupov wrote: >> [...] >>> + perf record -T \ >>> + -e cs_etm/pmu_pulse,aux-action=start-paused,timestamp/u \ >>> + -e armv8_pmuv3_0/cpu_cycles,aux-action=resume,period=1050031/u \ >>> + -e armv8_pmuv3_0/trcextout1,aux-action=pause,period=1000,call-graph=fp/u \ >>> + -- ./workload >> >> The CPU PMU name depends on the system: armv8_pmuv3_0 is what ACPI >> systems get, while on devicetree systems it comes from the compatible >> string, e.g. armv8_pmuv3 or armv8_cortex_a76. Maybe add a sentence >> after the example, along the lines of: >> >> The CPU PMU name depends on the system; the available PMUs are >> listed under /sys/bus/event_source/devices/. > I'd rather drop PMU specifiers as this is not something this patch > series focuses on, and examples above avoid them too. I agree. Making the docs overly verbose makes them less useful. And I can't see a use case where a user would get stuck converting this example to their own system. >> >> I applied the documentation hunks and built htmldocs, no new warnings. >> With or without the above, for the documentation part: >> >> Reviewed-by: Daniel Pereira >> >> Thanks, >> Daniel > > Sent using hkml (https://github.com/sjp38/hackermail)