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Sat, 06 Nov 2021 11:35:57 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Bart Schaefer Date: Sat, 6 Nov 2021 11:35:46 -0700 Message-ID: Subject: Re: Timing function execution To: Roman Perepelitsa Cc: Zach Riggle , Zsh Users Content-Type: text/plain; charset="UTF-8" X-Seq: 27315 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 11:17 AM Bart Schaefer wrote: > > On Sat, Nov 6, 2021 at 9:21 AM Roman Perepelitsa > wrote: > > > > Could "time" invoke getrusage(RUSAGE_THREAD) before and after and > > print the difference? > > That's a possibility. It'd only work on a subset of OSs, I think. Glancing through builtin.c, "times" (based on library times(3)) may be the answer? % times ; foo; times 0m0.00s 0m0.00s 0m0.00s 0m0.00s hello 0m0.01s 0m0.00s 0m0.00s 0m0.00s I had entirely forgotten the existence of that builtin. Also quite useful for a function because it separates in-shell user/system time (first line) from sub-process (second line).