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From: Jens Axboe <jens.axboe@oracle.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: Ingo Molnar <mingo@elte.hu>,
	rostedt@goodmis.org, fweisbec@gmail.com, acme@redhat.com,
	linux-kernel@vger.kernel.org
Subject: Re: blktrace ftrace plugin, was Re: Receive side performance issue with multi-10-GigE and NUMA
Date: Thu, 27 Aug 2009 07:26:28 +0200	[thread overview]
Message-ID: <20090827052628.GE12579@kernel.dk> (raw)
In-Reply-To: <20090827003047.GA30341@infradead.org>

On Wed, Aug 26 2009, Christoph Hellwig wrote:
> On Wed, Aug 26, 2009 at 10:40:27PM +0200, Ingo Molnar wrote:
> > We are also converting non-trivial plugins to generic tracepoints. A 
> > recent example are the system call tracepoints, but we also 
> > converted blktrace and kmemtrace to generic tracepoints.
> 
> On something semi-related:  Any reason to keep the blktrace ftrace
> plugin around?  I don't think there's much point in it.  It only got
> added in 2.6.29, and all the blktrace tooling just uses the legacy
> ioctls.  All new uses should just use the TRACE_EVENT output.

Lets kill it.

-- 
Jens Axboe


  reply	other threads:[~2009-08-27  5:26 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20090826181502.GC13632@elte.hu>
     [not found] ` <20090826190435.GC10816@hmsreliant.think-freely.org>
     [not found]   ` <20090826190830.GF13632@elte.hu>
     [not found]     ` <20090826.123631.79533250.davem@davemloft.net>
     [not found]       ` <20090826194835.GA16508@elte.hu>
     [not found]         ` <20090826202344.GE10816@hmsreliant.think-freely.org>
     [not found]           ` <20090826204027.GA21159@elte.hu>
2009-08-27  0:30             ` blktrace ftrace plugin, was Re: Receive side performance issue with multi-10-GigE and NUMA Christoph Hellwig
2009-08-27  5:26               ` Jens Axboe [this message]
2009-08-27  9:12                 ` Ingo Molnar
2009-08-27  9:14                   ` Jens Axboe
2009-08-27 13:55                     ` Arnaldo Carvalho de Melo
2009-08-28  2:03                   ` Li Zefan

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