Re: [PATCH] blktrace: Send BLK_TN_PROCESS events to all runningtraces

From: Jens Axboe
Date: Tue Oct 15 2013 - 11:17:53 EST


On Tue, Oct 15 2013, Jan Kara wrote:
> On Mon 23-09-13 13:37:23, Jan Kara wrote:
> > On Tue 17-09-13 22:30:31, Jan Kara wrote:
> > > Currently each task sends BLK_TN_PROCESS event to the first traced
> > > device it interacts with after a new trace is started. When there are
> > > several traced devices and the task accesses more devices, this logic
> > > can result in BLK_TN_PROCESS being sent several times to some devices
> > > while it is never sent to other devices. Thus blkparse doesn't display
> > > command name when parsing some blktrace files.
> > >
> > > Fix the problem by sending BLK_TN_PROCESS event to all traced devices
> > > when a task interacts with any of them.
> > Jens, any opinion about this?
> Jens, ping? I guess this patch fell through cracks...

Queued up for 3.13, thanks!

--
Jens Axboe

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