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From Fred Moyer <>
Subject Re: Using dtrace to determine which modules aren't loaded at startup time
Date Sat, 15 Dec 2007 00:42:42 GMT
Colin Wetherbee wrote:
> Fred Moyer wrote:
>> I've been having fun with dtrace, and I most recently used it to see 
>> what files are being accessed by mod_perl during requests.  I've 
>> preloaded all the modules in my application that I know about into 
>>, but when I startup my httpd server and make a request, I 
>> got some unexpected results.
> I abhor sounding ignorant, but I wonder if Linux analogues to dtrace and 
> rwsnoop exist?  The results of your "fun" are very interesting, and I am 
> curious to investigate my own processes.

There is strace, and I think you can use Apache2::Instrument for 
analyzing what your mp processes are doing.

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