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Sat, 06 Nov 2021 09:21:49 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Roman Perepelitsa Date: Sat, 6 Nov 2021 17:21:38 +0100 Message-ID: Subject: Re: Timing function execution To: Bart Schaefer Cc: Zach Riggle , Zsh Users Content-Type: text/plain; charset="UTF-8" X-Seq: 27313 Archived-At: X-Loop: zsh-users@zsh.org Errors-To: zsh-users-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-users-request@zsh.org X-no-archive: yes List-Id: List-Help: List-Subscribe: List-Unsubscribe: List-Post: List-Owner: List-Archive: On Sat, Nov 6, 2021 at 5:16 PM Bart Schaefer wrote: > > On Sat, Nov 6, 2021 at 5:11 AM Zach Riggle wrote: > > > > What is the appropriate way to benchmark / log the execution time of a function? > > "time" relies upon being able to use the OS-level profiling operations > on an external process. Shell functions run in the current shell, so > there's no process to profile. Could "time" invoke getrusage(RUSAGE_THREAD) before and after and print the difference? Roman.