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Re: Elisp native profiler
From: |
Stefan Monnier |
Subject: |
Re: Elisp native profiler |
Date: |
Tue, 02 Oct 2012 09:00:22 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.2.50 (gnu/linux) |
>> Isn't there another difference in that your code samples at a rate
>> determined by the wall-clock time rather than the cpu-time of the process?
> I'm afraid many POSIXish systems get this wrong too. Some don't
> even claim to support CPU-time timers. Others claim to, but
> silently substitute wall-clock time. One really can't take sample
> intervals as if they were gospel; they're not. It's better to
> think of them as just samples of the CPU.
At least the original setitimer code did sample based on cpu-time, based
on my test under GNU/Linux. I hope your new code does too.
Stefan
- Re: Elisp native profiler, (continued)
- Re: Elisp native profiler, Paul Eggert, 2012/10/01
- Re: Elisp native profiler, Stefan Monnier, 2012/10/01
- Re: Elisp native profiler, Eli Zaretskii, 2012/10/02
- Re: Elisp native profiler, Stefan Monnier, 2012/10/02
- Re: Elisp native profiler, Eli Zaretskii, 2012/10/02
- Re: Elisp native profiler, Stefan Monnier, 2012/10/02
- Re: Elisp native profiler, Paul Eggert, 2012/10/02
- Re: Elisp native profiler,
Stefan Monnier <=
- Re: Elisp native profiler, Paul Eggert, 2012/10/02
- Re: Elisp native profiler, Jason Rumney, 2012/10/02
- Re: Elisp native profiler, Eli Zaretskii, 2012/10/02
- Re: Elisp native profiler, Jason Rumney, 2012/10/03
- Re: Elisp native profiler, Eli Zaretskii, 2012/10/03
Re: Elisp native profiler, Paul Eggert, 2012/10/01