Thread-topic: Stack trace recoding on Mac OS X Leopard ( 10.5 )
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On Leopard, you can try stackshot (man stackshot). This is pretty cool. I
did not know about it until recently. It will drill down into the kernel
and not just stop at the user/kernel border. Real useful for finding
deadlocks.
The binary is in /usr/libexec/stackshot
Try this form for one process:
sudo /usr/libexec/stackshot -i -t -p pid
Then look in /Library/Logs/stackshot-syms.log for the output.
You can get a 'shot' of the whole system by leaving off the -p pid
> From: Rohitash <email@hidden>
> Organization: Oracle Corporation
> Date: Fri, 22 Aug 2008 20:23:51 +0530
> To: <email@hidden>, <email@hidden>
> Subject: Stack trace recoding on Mac OS X Leopard ( 10.5 )
>
> Hi,
> I was exploring of some interfaces in Mac OS X if present , which
> might help me get a call backtrace which I want to record for some
> specific internal exception conditions . If some kind of unwind library
> is already available for use , that would really help simplify my task .
>
> I am not sure if the BSD library backtrace() and friends should be able
> to help me walk through all the stack frames and provide me with the
> arguments , parameters and the translated
> PC ( to symbolic names ) at any point I want to get a trace the call stack.
>
> I was reading the man page of atos and it seemed like I can take some
> help from its source code.Also , there seems to be a call stack
> generated in "/Library/Logs/CrashReporter/" for any application level
> crashes, if I am not wronged in assuming.This makes me assume that the
> basic infrastructure already exists to dump the information , and maybe
> I should be on my way if I can use them for my purpose instead of
> writing it from scratch.
>
> Appreciate your valuable inputs.
>
> Thanks,
> Rohitash
>
> --
> Disclaimer : The statements and opinions expressed here are my own and do not
> necessarily represent those of Oracle Corporation.
>
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