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Sat, 24 Oct 2026 23:38:49 -0700 (PDT) Received: from localhost (2620:10d:c0a8:1b::30) by mail.thefacebook.com (2620:10d:c0a9:6f::8fd4) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.2.2562.56; Sun, 25 Oct 2026 06:38:48 +0000 From: Amir Ayupov To: Daniel Pereira CC: James Clark , Leo Yan , Suzuki K Poulose , Mike Leach , Alexander Shishkin , Jonathan Corbet , Randy Dunlap , Shuah Khan , , , , Subject: Re: [PATCH v2 4/4] coresight: Add pmu_pulse/extout_pulse Date: Sat, 24 Oct 2026 23:38:44 -0700 Message-ID: <20261025063846.3112301-1-aaupov@fb.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: References: 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 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Proofpoint-GUID: Yd_X-BzwIRCLGK9SunHtx8tIog126Len X-Proofpoint-ORIG-GUID: Yd_X-BzwIRCLGK9SunHtx8tIog126Len X-Authority-Analysis: v=2.4 cv=OJqyTiaB c=1 sm=1 tr=0 ts=6adda3f9 cx=c_pps a=MfjaFnPeirRr97d5FC5oHw==:117 a=MfjaFnPeirRr97d5FC5oHw==:17 a=660iZSQnnn4A:10 a=VkNPw1HP01LnGYTKEx00:22 a=7x6HtfJdh03M6CCDgxCd:22 a=wpfVPzegXHpEFt3DAXn9:22 a=NEAV23lmAAAA:8 a=pGLkceISAAAA:8 a=rCbvo_beL2p0TiC3b8AA:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDI1MDAyNiBTYWx0ZWRfX0M28iCrhYeNL uc2hUyommR07Lr0orWEssKAgCqjR1dYAY3sLIxqe0mxFupU1yroGy5empw+WMB8d//0+PmgmMuG 1VouVi0Bo3NJQH1HgNdEPqU8l/l/svvMw9rukUadDBGjuPVyYPIgM6tTNGu4kxPQsCcnC4t4lMY sNYZY2+miIkMwBpDcud1g/L1NF2j5TdMsk8mpFrAjsNfsR7CWShX7fTwiIIIfWPvRg5uHgonIRe UVV4/s7RK5r7sS6MzmaDQHPGmm6K5gukqZM3VvPpf1w8NnVNJnpszcdnRspNbIq4sHmvYcPdtge kcgiVlGpfYWTPJNTTl6mD+0QqMnIZx2GOkKSrUs91Wrt82MPtuMDFuiGAm62vcIHYtHrANxO8Ll PJWD99wzcd+gJFg+szXQ5ZMpfeEQvT8eORx9M3u5cjA0xuRZJ6W4WWDIIUhusKb33kGlQ8y+UZX r9fbkzGzZ6E56/bZCKA== X-Proofpoint-Spam-Info: AW1haW4tMjYxMDI1MDAyNiBTYWx0ZWRfX6vECQcFUaeU+ lQnLvQeGZ6n+wP4Mv4lpYFAZ+FsnUBr421DLtA3x83dKaKGPQoLsul6YYk58ZH5+TB8a1UJ0wwS hFF8mGXtkHMajmo1kBqVot2RhGZKXuU= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-10-25_02,2026-10-21_02,2025-10-01_01 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 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)