Messages in this thread |  | | Date | Wed, 7 May 2003 18:47:28 +0200 | From | Jens Axboe <> | Subject | Re: OSDL DBT-2 AS vs. Deadline 2.5.68-mm2 |
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On Wed, May 07 2003, markw@osdl.org wrote: > I've collected some data from STP to see if it's useful or if there's > anything else that would be useful to collect. I've got some tests > queued up for the newer patches, but I wanted to put out what I had so > far. > > > METRICS OVER LAST 20 MINUTES: > --------------- -------- ----- ---- -------- ----------------------------------- > Kernel Elevator NOTPM CPU% Blocks/s URL > --------------- -------- ----- ---- -------- ----------------------------------- > 2.5.68-mm2 as 1155 94.3 8940.2 http://khack.osdl.org/stp/271356/ > 2.5.68-mm2 deadline 1255 94.9 9598.7 http://khack.osdl.org/stp/271359/ > > 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
uhh nasty, you are spending a lot of time bouncing. How much RAM is in the machine, and what is the scsi hba?
-- Jens Axboe
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