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[37.4.226.211]) by smtp.gmail.com with ESMTPSA id l1-20020a1ced01000000b003ea57808179sm2128205wmh.38.2023.02.24.01.21.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Feb 2023 01:21:53 -0800 (PST) From: freak07 To: surenb@google.com Cc: akpm@linux-foundation.org, arjunroy@google.com, axelrasmussen@google.com, bigeasy@linutronix.de, chriscli@google.com, dave@stgolabs.net, david@redhat.com, dhowells@redhat.com, edumazet@google.com, gthelen@google.com, gurua@google.com, hannes@cmpxchg.org, hughd@google.com, jannh@google.com, jglisse@google.com, joelaf@google.com, kent.overstreet@linux.dev, kernel-team@android.com, ldufour@linux.ibm.com, leewalsh@google.com, liam.howlett@oracle.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, lstoakes@gmail.com, luto@kernel.org, mgorman@techsingularity.net, mhocko@suse.com, michel@lespinasse.org, minchan@google.com, mingo@redhat.com, paulmck@kernel.org, peterjung1337@gmail.com, peterx@redhat.com, peterz@infradead.org, posk@google.com, punit.agrawal@bytedance.com, rientjes@google.com, rppt@kernel.org, shakeelb@google.com, soheil@google.com, songliubraving@fb.com, tatashin@google.com, vbabka@suse.cz, will@kernel.org, willy@infradead.org, x86@kernel.org Subject: Re: [PATCH v3 00/35] Per-VMA locks Date: Fri, 24 Feb 2023 10:21:34 +0100 Message-Id: <20230224092134.30603-1-michalechner92@googlemail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230216051750.3125598-1-surenb@google.com> References: <20230216051750.3125598-1-surenb@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Here are some measurements from a Pixel 7 Pro that´s running a kernel either with the Per-VMA locks patchset or without. If there´s interest I can provide results of other specific apps as well. Results are from consecutive cold app launches issued with "am start" command spawning the main activity of Slack Android app. https://docs.google.com/spreadsheets/d/1ktujfcyDmIJoQMWsoizGIE-0A_jMS9VMw_seehUY9s0/edit?usp=sharing There´s quite a noticeable improvement, as can be seen in the graph. The results were reproducible. If you have any questions feel free to ask.