[Disksim-users] time scale negative value

[Steve]

Hello,Shahrukh,
    First,what I wonder is that even if the negative value makes disksim work well, does it make sense to you?
    Second, I advise you to make smooth the trace file (out of time order)by writing a toolkit. It is not hard.
    Third, I don't know the way you use disksim. Do you use disksim as a slave module or play the trace with disksim itself? If the latter, I have no idea. If the former, I have a thread that the syssim.c has a little bug with respect to calculatiing time.

    I hope it is useful to you.


All the best.

　　　　　　　　Steve
　　　　　　　　zgy04 at 126.com
　　　　　　　　2006-09-17


======= 2006-09-17 09:35:05 Shahrukh Rohinton Tarapore Written: =======

>Can anyone tell me what happens if I set the time scale parameter to a 
>negative value?  I tried running a trace with disk requests spaced very 
>closely together (with respect to time).  When I used positive  values 
>for the time scale I would get errors that requests in the trace file 
>were out of time order.  Only when I set the time scale parameter 
>negative did disksim run through the entire trace without interruption. 
>
>I want to be sure that using a negative value doesn't some how skew my 
>results.  Thanks.
>
>-- shahrukh
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>Disksim-users mailing list
>Disksim-users at ece.cmu.edu
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>

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