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From: Roman Perepelitsa <roman.perepelitsa@gmail.com>
To: Bart Schaefer <schaefer@brasslantern.com>
Cc: Zach Riggle <zachriggle@gmail.com>, Zsh Users <zsh-users@zsh.org>
Subject: Re: Timing function execution
Date: Sat, 6 Nov 2021 17:21:38 +0100	[thread overview]
Message-ID: <CAN=4vMrPTZ033Nm1GdSiTH7oA=TyS6PBOo7VpYtaaiYLoPBp7g@mail.gmail.com> (raw)
In-Reply-To: <CAH+w=7Z2jJqxSAa6sD_+jBEbDfHTfa_aMr_9WLfWG5T1OcCNFw@mail.gmail.com>

On Sat, Nov 6, 2021 at 5:16 PM Bart Schaefer <schaefer@brasslantern.com> wrote:
>
> On Sat, Nov 6, 2021 at 5:11 AM Zach Riggle <zachriggle@gmail.com> 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.


  reply	other threads:[~2021-11-06 16:28 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-06 12:11 Zach Riggle
2021-11-06 16:15 ` Bart Schaefer
2021-11-06 16:21   ` Roman Perepelitsa [this message]
2021-11-06 18:17     ` Bart Schaefer
2021-11-06 18:35       ` Bart Schaefer
2021-11-06 18:40         ` Bart Schaefer
2021-11-06 18:43           ` Roman Perepelitsa
2021-11-06 19:01             ` Bart Schaefer
2021-11-06 20:37               ` Zach Riggle

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