[Disksim-users] Response Time for each request.

[Bhushan]

Thanks Ted. I was looking at disksim_ioqueue.c
"ioqueue_remove_completed_request" instead of ssd.c. Your hint helped me
find what I needed. Thanks again.

On Tue, Jan 6, 2009 at 4:04 PM, Ted Wobber <wobber at microsoft.com> wrote:

>  Bhushan –
>
>
>
> Assuming that you are happy with a statistical summary of requests, the SSD
> add-on computes the request latency in aggregate and also gives information
> about the distribution of reads and writes.
>
>
>
> It also gives similar numbers for each simulated flash chip.
>
>
>
> If you need more detailed output, you can always hack the code.  The SSD
> request completion handler is in ssd.c:  ssd_request_complete.  There are
> also chip (element) access completion routines in that module.
>
>
>
> Best regards,
>
>
>
> Ted Wobber
>
> MSR Silicon Valley
>
>
>
>
>
> *From:* disksim-users-bounces at ece.cmu.edu [mailto:
> disksim-users-bounces at ece.cmu.edu] *On Behalf Of *Bhushan
> *Sent:* Tuesday, January 06, 2009 11:16 AM
> *To:* disksim-users
> *Subject:* [Disksim-users] Response Time for each request.
>
>
>
> Hi,
> I am using the SSD Add-on for Disksim analyzing the performance of
> different traces. Is there a way to determine the response time for each
> request(read/write) in the trace? While debugging through the code, I found
> the "ioqueue_remove_completed_request" function call in disksim-ioqueue.c,
> while updates the "outtimestats" variable with the response time but the
> problem is this function gets called multiple times for each request.
> I need this functionality to understand how the SSD responds for different
> requests.
>
> Any help would be greatly appreciated.
> --
> Regards,
> Bhushan.
>



-- 
Regards,
Bhushan.
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