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[209.85.218.48]) by smtp.gmail.com with ESMTPSA id xa12-20020a170907b9cc00b0096637a19dccsm3809196ejc.210.2023.05.22.18.51.53 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 22 May 2023 18:51:53 -0700 (PDT) Received: by mail-ej1-f48.google.com with SMTP id a640c23a62f3a-96f818c48fbso704017566b.0 for ; Mon, 22 May 2023 18:51:53 -0700 (PDT) X-Received: by 2002:a17:906:5d06:b0:96f:f809:1394 with SMTP id g6-20020a1709065d0600b0096ff8091394mr4605087ejt.53.1684806712643; Mon, 22 May 2023 18:51:52 -0700 (PDT) MIME-Version: 1.0 References: <20230519001709.2563-1-tj@kernel.org> In-Reply-To: From: Linus Torvalds Date: Mon, 22 May 2023 18:51:35 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCHSET v1 wq/for-6.5] workqueue: Improve unbound workqueue execution locality To: Tejun Heo Cc: jiangshanlai@gmail.com, peterz@infradead.org, linux-kernel@vger.kernel.org, kernel-team@meta.com, joshdon@google.com, brho@google.com, briannorris@chromium.org, nhuck@google.com, agk@redhat.com, snitzer@kernel.org, void@manifault.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 19, 2023 at 4:03=E2=80=AFPM Tejun Heo wrote: > > Oh, a bit of addition. > > Once below saturation, latency and bw are mostly the two sides of the sam= e > coin but just to be sure, here are latency results. Ok, looks good, consider me convinced. I still would like to hear from the actual arm crowd that caused this all and have those odd BIG.little cases. Linus