Re: NFS client latencies
From: Ingo Molnar
Date: Thu Mar 31 2005 - 03:05:19 EST
* Ingo Molnar <mingo@xxxxxxx> wrote:
> ok, find a new latency trace attached (1.6 msecs). I generated write
> loads, and the nfs_scan_list_dirty() latency is gone and indeed
> nfs_scan_list() generates the worst latency - while processing 8535
> pages in one critical section.
here's a more complete one of 4.4 msecs. (there was a bug in the latency
tracer that trimmed latency traces - this one is complete and shows an
nfs_scan_list processing of 22908 pages)
Ingo
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nfs-4481us-latency.bz2
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