Re: ioreplay allows replaying fs traces from a strace log file

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Mark Nelson <mark.nelson <at> dreamhost.com> writes:

> 
> I played around with this about a month back during a rados bench run, 
> but had some trouble getting it to work when strace was attached to an 
> already running process.  I didn't end up spending a lot of time on it 
> though.  Jeff Layton also wrote a strace analyzer tool specifically for 
> IO, but it needs a bit of work to support -f.  His stuff can be found here:
> 
> http://clusterbuffer.wetpaint.com/page/Strace+Analyzer
> 
> Mark

Hi Mark,

I am the developer of the ioreplay app (ioapps suite). I came across this post, 
could you please provide more details on the problem with replaying of 
"incomplete" strace files? It is certainly possible that there is a bug as this 
functionality was not thoroughly  tested. I willing to fix it and help you with 
that. Your sample strace file + ignore/map files + arguments would help.

Cheers
Jiri Horky


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