Re: [PATCH Version 2 nfs-for-next 1/1] NFSv4.1 add a session statistics file to /proc/fs/nfsfs

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On Thu, Feb 16, 2012 at 3:50 PM, Myklebust, Trond
<Trond.Myklebust@xxxxxxxxxx> wrote:
> On Wed, 2012-02-15 at 17:50 -0500, andros@xxxxxxxxxx wrote:
>> From: Andy Adamson <andros@xxxxxxxxxx>
>>
>> Session statistics are needed for performance characterisation and debugging
>> recovery and migration.
>>
>> Only gather forechannel statistics as the backchannel has one session slot.
>>
>
> Could this be done better using tracepoints? I'm not sure that I see how
> a typical system admin would use this kind of file, so it looks more
> like a debugging aid.

It is similar to the mountstats xprt stanza with waitq lengths, but I
see your point.  I'll look into a tracepoint version.

Any suggestions of other session info to gather?

-->Andy
>
> --
> Trond Myklebust
> Linux NFS client maintainer
>
> NetApp
> Trond.Myklebust@xxxxxxxxxx
> www.netapp.com
>
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