using system tap or dtrace to diagnose xfs problems

[Ed Peschko]

All,

I was wondering; has anyone used system tap or dtrace to diagnose xfs
issues on linux systems (esp centos)?

I was thinking about our experience with busy resources, and that seemed an
ideal way to get round the problem, or at least get a handle on it.

But it'd be great if I could get some first hand tips on using these tools
here. I'm more familiar with dtrace - and it is supposed to be AFAICT more
stable - but I'm not sure how great the port is on linux.

Thanks much for any info..
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