[dtrace-discuss] Memory leak scripts

[Fletcher Cocquyt]

Can you please provide a reference for disassembling malloc on Solaris 10?
I am also pursuing the previous suggestion of a Python provider - this one
seems to be against Python 2.5:
http://blogs.sun.com/binujp/resource/pydtrace/diffs

Thanks,
Fletcher

On 7/1/08 9:48 PM, "Sanjeev Bagewadi" <Sanjeev.Bagewadi at Sun.COM> wrote:

> Hello Fletcher,
> 
>  From the error looks like dtrace is not able recognize it as probe.
> DTrace needs a signature for the function to be detected as probe.
> Probably this is missing in case of malloc.
> 
> Just to double check this you could disassemble malloc and check if we
> have a "push' instruction at the beginning.
> 
> Thanks and regards,
> Sanjeev.
> 
> Fletcher Cocquyt wrote:
>> Hola, I am trying to isolate the memory leak I suspect in a mailman
>> installation ­ I found:
>> http://blogs.sun.com/sanjeevb/date/200506
>> 
>> It gives an error:
>> 
>> god at irt-smtp-02:~ 9:21am 65 # ./memleak.d 10312
>> dtrace: failed to compile script ./memleak.d: line 3: probe
>> description pid10312:libc.so.1:malloc:entry does not match any probes
>> 
>> I am on SunOS 5.10 Generic_127112-07 i86pc i386 i86pc
>> 
>> Are there some better scripts for isolating memory leaks?
>> 
>> thanks
>> Fletch.
>> ------------------------------------------------------------------------
>> 
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