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Date:      Fri, 19 Feb 2016 14:34:05 -0500
From:      "Michael W. Lucas" <mwlucas@michaelwlucas.com>
To:        Tom Curry <thomasrcurry@gmail.com>
Cc:        fs@freebsd.org
Subject:   Re: dtracing ZFS on FreeBSD
Message-ID:  <20160219193405.GA47628@mail.michaelwlucas.com>
In-Reply-To: <CAGtEZUCnXDbKb6ZpXbV6Mz=1x=Z6syzUBdvuxRs-3Ch3k5m1sw@mail.gmail.com>
References:  <20160219180716.GA46881@mail.michaelwlucas.com> <CAGtEZUB31Uwk1Ge_DPB_scP6Sw6D4s-w6WgbXr_k_zDL0DB7dQ@mail.gmail.com> <20160219190753.GA47502@mail.michaelwlucas.com> <CAGtEZUCnXDbKb6ZpXbV6Mz=1x=Z6syzUBdvuxRs-3Ch3k5m1sw@mail.gmail.com>

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On Fri, Feb 19, 2016 at 02:14:24PM -0500, Tom Curry wrote:
>    One other thing to try in concert with the larger buffer,
>    #pragma D option bufpolicy=ring
>    In theory I would expect it not to drop, but the window of tracing
>    would be smaller.Â

Still dropping, but thanks. Output is buffered, so I can't say which
graphs the drops happened with. (If that's actually what the drop
messages tell me, that is...)

==ml

-- 
Michael W. Lucas  -  mwlucas@michaelwlucas.com, Twitter @mwlauthor 
http://www.MichaelWLucas.com/, http://blather.MichaelWLucas.com/



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