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[211.75.219.202]) by smtp.gmail.com with ESMTPSA id pg4-20020a17090b1e0400b00285a2069a22sm3994317pjb.5.2023.11.27.05.30.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Nov 2023 05:30:03 -0800 (PST) Date: Mon, 27 Nov 2023 21:29:57 +0800 From: Leo Yan To: Arnaldo Carvalho de Melo Cc: Nick Forrington , Michael Petlan , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Ian Rogers , Adrian Hunter , Arnaldo Carvalho de Melo , vmolnaro@redhat.com Subject: Re: [PATCH] perf test: Remove atomics from test_loop to avoid test failures Message-ID: <20231127132957.GA76706@leoy-huanghe.lan> References: <20231102162225.50028-1-nick.forrington@arm.com> <20231125030529.GB178091@leoy-huanghe> <20231126074030.GA647134@leoy-yangtze.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on morse.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (morse.vger.email [0.0.0.0]); Mon, 27 Nov 2023 05:30:14 -0800 (PST) On Mon, Nov 27, 2023 at 10:20:47AM -0300, Arnaldo Carvalho de Melo wrote: > Em Sun, Nov 26, 2023 at 03:41:14PM +0800, Leo Yan escreveu: > > Maybe the commit log caused a bit confusion, the problem is after > > We'll have the Link pointing to this discussion. Okay, it's a good tracking. > > enabling "-moutline-atomics" on aarch64, the overhead is altered into > > the linked __aarch64_ldadd4_relax() function, test_loop() cannot be > > sampled anymore, but it's not about stack tracing. > > > > Anyway, the patch is fine for me. > > I'm taking this as an Acked-by: Leo > > But probably this could be even a Tested-by, ok? Yes, here is my test tag: Tested-by: Leo Yan