We're still working on fixing up the aacraid driver to avoid bounce
buffers, but here is data on 2.5.69-mm3 (and 2.5.69-mm2) for a before
picture. I also have some tests queued up on STP for 2.5.69-mm3 where I
set the TCQ depth to 2. Hopefully I will have results for those tests
later today.
METRICS OVER LAST 20 MINUTES:
--------------- -------- ----- ---- -------- -----------------------------------
Kernel Elevator NOTPM CPU% Blocks/s URL
--------------- -------- ----- ---- -------- -----------------------------------
2.5.69-mm3 as 1214 94.0 9352.0 http://khack.osdl.org/stp/271973/
2.5.69-mm3 deadline 1148 91.9 9097.0 http://khack.osdl.org/stp/271975/
FUNCTIONS SORTED BY TICKS:
-- ------------------------- ------- ------------------------- -------
# as 2.5.69-mm3 ticks deadline 2.5.69-mm3 ticks
-- ------------------------- ------- ------------------------- -------
1 default_idle 5748957 default_idle 6152491
2 bounce_copy_vec 91208 bounce_copy_vec 85515
3 schedule 50436 schedule 49036
4 do_softirq 33556 do_softirq 32467
5 __make_request 28193 __blk_queue_bounce 25887
6 __blk_queue_bounce 27210 scsi_request_fn 20311
7 scsi_request_fn 25400 __make_request 18444
8 scsi_end_request 19051 scsi_end_request 13991
9 try_to_wake_up 11901 try_to_wake_up 11457
10 dio_bio_end_io 11000 dio_bio_end_io
METRICS OVER LAST 20 MINUTES:
--------------- -------- ----- ---- -------- -----------------------------------
Kernel Elevator NOTPM CPU% Blocks/s URL
--------------- -------- ----- ---- -------- -----------------------------------
2.5.69-mm2 as 1185 93.2 9006.7 http://khack.osdl.org/stp/271863/
2.5.69-mm2 deadline 1142 92.4 8839.4 http://khack.osdl.org/stp/271864/
FUNCTIONS SORTED BY TICKS:
-- ------------------------- ------- ------------------------- -------
# as 2.5.69-mm2 ticks deadline 2.5.69-mm2 ticks
-- ------------------------- ------- ------------------------- -------
1 default_idle 6187082 default_idle 6061459
2 bounce_copy_vec 85400 bounce_copy_vec 87995
3 schedule 50100 schedule 47648
4 do_softirq 32726 do_softirq 31920
5 __make_request 27378 __blk_queue_bounce 25986
6 __blk_queue_bounce 25901 scsi_request_fn 22411
7 scsi_request_fn 24656 __make_request 18982
8 scsi_end_request 18070 scsi_end_request 14279
9 try_to_wake_up 11702 try_to_wake_up 10800
10 dio_bio_end_io 10565 dio_bio_end_io 10228
--
Mark Wong - - [email protected]
Open Source Development Lab Inc - A non-profit corporation
15275 SW Koll Parkway - Suite H - Beaverton OR, 97006
(503)-626-2455 x 32 (office)
(503)-626-2436 (fax)
http://www.osdl.org/archive/markw/