[Disksim-users] splicing extra requests to simulation

[Steve]

you can write a system level simulator with disksim as a slave module. Your problem will get easier.

	

All the best.
				 
        Steve
        zgy04 at 126.com
        2009-06-30


======= 2009-06-30 01:44:45 Krithika Written: =======

>Hi,
>
>I wan't to add some extra r/w requests during a trace driven simulation.
>Currently what I do is, I create a ioreq_event structure and feed it to
>disksim_simulate_event() function.  The disksim_run_simulation() function
>iteratively calls disksim_simulate_event().  So, on some conditions, that
>function would call disksim_simulate_event(event), where 'event' is my
>ioreq_event.  Otherwise it would call disksim_simulate_event(NULL), in which
>case it takes the normal execution path of getting an event from trace and
>executing it.
>
>My problem is, after my extra requests are executed, when a normal request
>is starting to execute, I get an error
>
>disksim_controller.c:364: controller_bus_delay_complete: Assertion
>`trv->next == curr' failed
>
>I think when I change the request flow, there is some mismatch in the stats
>maintained by controller structure (controller->buswait).
>
>Can anyone tell me what is the best way to splice extra requests to the
>simulation ? Or if I already do things correctly, please let me know how to
>get around such kind of errors..
>
>Thank you very much,
>Krithika.
>
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