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Thu, 03 Apr 2025 10:57:39 -0700 (PDT) Received: from blackdock.suse.cz ([193.86.92.181]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-39c301a6ae5sm2415661f8f.32.2025.04.03.10.57.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Apr 2025 10:57:39 -0700 (PDT) Date: Thu, 3 Apr 2025 19:57:37 +0200 From: Michal =?utf-8?Q?Koutn=C3=BD?= To: K Prateek Nayak Cc: Chen Yu , Peter Zijlstra , Ingo Molnar , Juri Lelli , Vincent Guittot , Mel Gorman , Johannes Weiner , Michal Hocko , Roman Gushchin , Shakeel Butt , Muchun Song , Andrew Morton , Tim Chen , Aubrey Li , Rik van Riel , Raghavendra K T , Baolin Wang , Xunlei Pang , linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, linux-mm@kvack.org, Chen Yu Subject: Re: [PATCH] sched/numa: Add statistics of numa balance task migration and swap Message-ID: References: <20250402010611.3204674-1-yu.c.chen@intel.com> <7710c312-77da-4b8d-bb80-74598433ecd6@amd.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; 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protected-headers=v1; charset=us-ascii Content-Disposition: inline Subject: Re: [PATCH] sched/numa: Add statistics of numa balance task migration and swap MIME-Version: 1.0 On Wed, Apr 02, 2025 at 11:13:03PM +0530, K Prateek Nayak wrote: > The /proc/$pid/sched accounting is only done when schedstats are > enabled. memcg users might want to track it separately without relying > on schedstats which also enables a bunch of other scheduler related > stats collection adding more overheads. .oO(memory.[numa_]stat could end up with something similar since not all users are interested in all fields but all users are affected by added fields) Thanks, Michal --5inkdjfgglli4fgy Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQTd6mfF2PbEZnpdoAkt3Wney77BSQUCZ+7MDgAKCRAt3Wney77B SSJtAP9y+6MLacyhDdxgIDeSpr9nE4pWSv811LCHFbY5X5xYSgD/VmDhJjTHW9mf 2qZ9YjklpUmxbrQuWSOTeWSJ/KvBug4= =XD67 -----END PGP SIGNATURE----- --5inkdjfgglli4fgy--