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([2602:ae:1541:f901:8bb4:5a9d:7ab7:b4b8]) by smtp.gmail.com with ESMTPSA id c1-20020a63da01000000b0050bd4bb900csm3410534pgh.71.2023.04.07.20.34.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 07 Apr 2023 20:34:21 -0700 (PDT) Message-ID: Date: Fri, 7 Apr 2023 20:34:19 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.9.0 Subject: Re: [PATCH 1/2] accel/tcg/plugin: export host insn size Content-Language: en-US To: =?UTF-8?Q?Alex_Benn=c3=a9e?= , Fei Wu Cc: pbonzini@redhat.com, erdnaxe@crans.org, ma.mandourr@gmail.com, qemu-devel@nongnu.org References: <20230406022751.757980-1-fei2.wu@intel.com> <20230406022751.757980-2-fei2.wu@intel.com> <87v8i9jviv.fsf@linaro.org> From: Richard Henderson In-Reply-To: <87v8i9jviv.fsf@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::1032; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1032.google.com X-Spam_score_int: -40 X-Spam_score: -4.1 X-Spam_bar: ---- X-Spam_report: (-4.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-2.03, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 4/6/23 00:46, Alex Bennée wrote: > If your aim is to examine JIT efficiency what is wrong with the current > "info jit" that you can access via the HMP? Also I'm wondering if its > time to remove the #ifdefs from CONFIG_PROFILER because I doubt the > extra data it collects is that expensive. > > Richard, what do you think? What is it that you want from CONFIG_PROFILER that you can't get from perf? I've been tempted to remove CONFIG_PROFILER entirely. r~