Re: Capturing idle time with blktrace

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And by blkreplay, I meant replay the blktrace with FIO

On Wed, Apr 22, 2015 at 2:52 PM, Brandon Schwartz <schwartz.xn@xxxxxxxxx> wrote:
> Is there an accurate way to capture idle time with blktrace?  For
> example, if I run/trace the following FIO script:
>
> [global]
> direct=1
> ioengine=libaio
> readwrite=read
> blocksize=512k
> filename=/dev/sdd
>
> [read]
> runtime=10
> name=read
>
> [read2]
> stonewall=1
> startdelay=40
> runtime=10
> name=read2
>
> And attempt to replay it using blkreplay, it will ignore the wait time
> and simply read for 20seconds instead of read 10s, wait for 40s, read
> 10s.
>
> Regards,
> Brandon
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