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Re: Issues using statprof (no samples taken)
From: |
Ludovic Courtès |
Subject: |
Re: Issues using statprof (no samples taken) |
Date: |
Mon, 17 Nov 2008 17:02:00 +0100 |
User-agent: |
Gnus/5.11 (Gnus v5.11) Emacs/22.3 (gnu/linux) |
Hello,
Boris Zbarsky <address@hidden> writes:
> Sure. The wrong thing is that profile-signal-handler is not called,
> so never resets the timer, so no more SIGPROFs. Unless I'm misreading
> the code.
Oh, right.
> I can't check the values in the structs it's passed, unfortunately (no
> symbols here for guile or the libc).
Maybe with `strace(1)' or similar?
>> Another (remote) possibility could be that the Scheme-level handler is
>> not called, even though the C handler in libguile is called, since
>> Scheme-level signal handlers are actually asyncs (info "(guile)
>> Asyncs"). You can try to force the execution of asyncs by adding a call
>> like "(select '() '() '() 0)" (technically, it invokes `SCM_TICK', which
>> runs asyncs).
>
> Where would I add that?
In some Scheme code that is run regularly.
BTW, is Gnucash multithreaded?
> For that matter, what's the C handler in
> libguile? I should be able to breakpoint on that and see whether it's
> called, hopefully...
It's `take_signal ()' (scmsigs.c), at least in 1.8.x.
Hope this helps,
Ludo'.
- Issues using statprof (no samples taken), Boris Zbarsky, 2008/11/14
- Re: Issues using statprof (no samples taken), Ludovic Courtès, 2008/11/14
- Re: Issues using statprof (no samples taken), Boris Zbarsky, 2008/11/16
- Re: Issues using statprof (no samples taken), Ludovic Courtès, 2008/11/17
- Re: Issues using statprof (no samples taken), Boris Zbarsky, 2008/11/17
- Re: Issues using statprof (no samples taken),
Ludovic Courtès <=
- Re: Issues using statprof (no samples taken), Boris Zbarsky, 2008/11/17
- Re: Issues using statprof (no samples taken), Ludovic Courtès, 2008/11/18
- Re: Issues using statprof (no samples taken), Boris Zbarsky, 2008/11/18
- Re: Issues using statprof (no samples taken), Ludovic Courtès, 2008/11/18
- Re: Issues using statprof (no samples taken), Boris Zbarsky, 2008/11/20