Re: OSDL DBT-2 AS vs. Deadline 2.5.68-mm2
William Lee Irwin III (wli@holomorphy.com)
Wed, 7 May 2003 09:44:45 -0700
On Wed, May 07, 2003 at 09:33:29AM -0700, markw@osdl.org wrote:
> FUNCTIONS SORTED BY TICKS:
> -- ------------------------- ------- ------------------------- -------
> # as 2.5.68-mm2 ticks deadline 2.5.68-mm2 ticks
> -- ------------------------- ------- ------------------------- -------
> 1 default_idle 6103428 default_idle 5359025
> 2 bounce_copy_vec 86272 bounce_copy_vec 97696
> 3 schedule 63819 schedule 70114
> 4 __make_request 30397 __blk_queue_bounce 31167
> 5 __blk_queue_bounce 26962 scsi_request_fn 26623
> 6 scsi_request_fn 24845 __make_request 25012
> 7 do_softirq 21122 do_softirq 24623
> 8 scsi_end_request 14080 system_call 13056
> 9 system_call 12059 try_to_wake_up 12503
> 10 try_to_wake_up 11240 dio_bio_end_io 11511
You're already in deeper trouble than elevators can get you out of as
your driver is using bounce buffers. What hardware/driver are you using?
-- wli
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