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Wed, 4 Dec 2024 09:43:21 +0800 (CST) Date: Wed, 4 Dec 2024 09:43:21 +0800 (CST) X-Zmail-TransId: 2b07674fb3b9401-089f3 X-Mailer: Zmail v1.0 Message-ID: <20241204094321160yp9RJKElKXTlg-q1OzYU-@zte.com.cn> In-Reply-To: <20241203170816.3fe81941fe1866ca1672eba8@linux-foundation.org> References: 20241203164848805CS62CQPQWG9GLdQj2_BxS@zte.com.cn,20241203170816.3fe81941fe1866ca1672eba8@linux-foundation.org Mime-Version: 1.0 From: To: Cc: , , , , , , , , , , , , , , , , , Subject: =?UTF-8?B?UmU6IFtQQVRDSCBsaW51eCBuZXh0XSBkZWxheWFjY3Q6IGFkZCBkZWxheSBtYXggdG8gcmVjb3JkIGRlbGF5IHBlYWs=?= Content-Type: text/plain; charset="UTF-8" X-MAIL:mse-fl1.zte.com.cn 4B41hJ29026879 X-Fangmail-Anti-Spam-Filtered: true X-Fangmail-MID-QID: 674FB3C3.000/4Y30fW0MXQz5B1Kq X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 53CBA1A0002 X-Stat-Signature: k58i74gts6ysgchsjhskdpdrz5d8gnyd X-Rspam-User: X-HE-Tag: 1733276598-88985 X-HE-Meta: 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 rtgvOCGs g9KhbZ5136YjtK2Z5Pq9t3iwxfXrydl9LJp4YWUJGrc4N6yYqlPq7HnI4tDH92wsFQPKkXf29YTSBbpem0uTMr/Sd7o9wbAlQktcfCKZRN7Lix4dZZ+UBqGARkzdEpqxDoMwty5mYbF9yui5dP7tw2mMDG/21AAzofWwbWa+EVT0kBoZnAzNNes9OPyfDUChbHMqhJ1RI9f5LfjAZ1L5POwZwyA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, 3 Dec 2024 16:48:48 +0800 (CST) wrote: > From: Wang Yaxin > the 'delay max' can display delay peak since the system's startup What about also add 'delay min' ? This could help us get to know how large the difference is between min and max, provide clues for optimizing potential. This is also some benchmark tools do, like stream which print: precision of your system timer. ------------------------------------------------------------- Function Best Rate MB/s Avg time Min time Max time Copy: 234195.8 0.073357 0.073357 0.073357 Scale: 163856.6 0.104847 0.104847 0.104847 Add: 177791.5 0.144944 0.144944 0.144944 And please also update Documentation/accounting/delay-accounting.rst. Other parts LGTM, thanks!