Re: Bad SSD performance with recent kernels
From: Eric Dumazet
Date: Tue Jan 31 2012 - 03:46:39 EST
Le lundi 30 janvier 2012 Ã 17:26 -0500, Vivek Goyal a Ãcrit :
> On Mon, Jan 30, 2012 at 03:51:49PM +0100, Eric Dumazet wrote:
> > Le lundi 30 janvier 2012 Ã 22:28 +0800, Wu Fengguang a Ãcrit :
> > > On Mon, Jan 30, 2012 at 06:31:34PM +0800, Li, Shaohua wrote:
> > >
> > > > Looks the 2.6.39 block plug introduces some latency here. deleting
> > > > blk_start_plug/blk_finish_plug in generic_file_aio_read seems
> > > > workaround
> > > > the issue. The plug seems not good for sequential IO, because readahead
> > > > code already has plug and has fine grained control.
> > >
> > > Why not remove the generic_file_aio_read() plug completely? It
> > > actually prevents unplugging immediately after the readahead IO is
> > > submitted and in turn stalls the IO pipeline as showed by Eric's
> > > blktrace data.
> > >
> > > Eric, will you test this patch? Thank you.
>
> Can you please run the blktrace again with this patch applied. I am curious
> to see how does traffic pattern look like now.
>
> In your previous trace, there were so many small 8 sector requests which
> were merged into 512 sector requests before dispatching to disk. (I am
> not sure why those requests are not bigger. Shouldn't readahead logic
> submit a bigger request?) Now with plug/unplug logic removed, I am assuming
> we should be doing less merging and dispatching more smaller requests. May be
> that is helping and cutting down on disk idling time.
>
> In previous logs, 512 sector request seems to be taking around 1ms to
> complete after dispatch. In between requests disk seems to be idle
> for around .5 to .6 ms. Out of this .3 ms seems to be gone in just
> coming up with new request after completion of previous one and another
> .3ms seems to be consumed in merging the smaller IOs. So if we don't wait
> for merging, it should keep disk busier for .3ms more which is 30% of time
> it takes to complete 512 sector request. So theoritically it can give
> 30% boost for this workload. (Assuming request size will not impact the
> disk throughput very severely).
>
> Anyway, some blktrace data will shed some light..
Here it is (last 1000 lines)
8,16 1 1198126 9.992850217 2570 M R 5716720 + 8 [dd]
8,16 1 1198127 9.992851316 2570 Q R 5716728 + 8 [dd]
8,16 1 1198128 9.992851577 2570 M R 5716728 + 8 [dd]
8,16 1 1198129 9.992852592 2570 I R 5716480 + 256 ( 54889) [dd]
8,16 1 0 9.992853926 0 m N cfq2570 insert_request
8,16 1 1198130 9.992855759 2570 U N [dd] 1
8,16 1 0 9.992856488 0 m N cfq2570 dispatch_insert
8,16 1 0 9.992857801 0 m N cfq2570 dispatched a request
8,16 1 0 9.992858528 0 m N cfq2570 activate rq, drv=2
8,16 1 1198131 9.992858746 2570 D R 5716480 + 256 ( 6154) [dd]
8,16 1 1198132 9.993162912 0 C R 5716224 + 256 ( 783118) [0]
8,16 1 0 9.993195602 0 m N cfq2570 complete rqnoidle 0
8,16 1 1198133 9.993294134 2570 Q R 5716736 + 8 [dd]
8,16 1 1198134 9.993299036 2570 G R 5716736 + 8 [dd]
8,16 1 1198135 9.993300482 2570 P N [dd]
8,16 1 1198136 9.993302456 2570 Q R 5716744 + 8 [dd]
8,16 1 1198137 9.993303374 2570 M R 5716744 + 8 [dd]
8,16 1 1198138 9.993305017 2570 Q R 5716752 + 8 [dd]
8,16 1 1198139 9.993305398 2570 M R 5716752 + 8 [dd]
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8,16 1 1198190 9.993346996 2570 Q R 5716960 + 8 [dd]
8,16 1 1198191 9.993347246 2570 M R 5716960 + 8 [dd]
8,16 1 1198192 9.993348322 2570 Q R 5716968 + 8 [dd]
8,16 1 1198193 9.993348722 2570 M R 5716968 + 8 [dd]
8,16 1 1198194 9.993349883 2570 Q R 5716976 + 8 [dd]
8,16 1 1198195 9.993350192 2570 M R 5716976 + 8 [dd]
8,16 1 1198196 9.993351388 2570 Q R 5716984 + 8 [dd]
8,16 1 1198197 9.993351638 2570 M R 5716984 + 8 [dd]
8,16 1 1198198 9.993352772 2570 I R 5716736 + 256 ( 53736) [dd]
8,16 1 0 9.993354172 0 m N cfq2570 insert_request
8,16 1 1198199 9.993356100 2570 U N [dd] 1
8,16 1 0 9.993356925 0 m N cfq2570 dispatch_insert
8,16 1 0 9.993358274 0 m N cfq2570 dispatched a request
8,16 1 0 9.993359003 0 m N cfq2570 activate rq, drv=2
8,16 1 1198200 9.993359283 2570 D R 5716736 + 256 ( 6511) [dd]
8,16 1 1198201 9.993652117 0 C R 5716480 + 256 ( 793371) [0]
8,16 1 0 9.993684544 0 m N cfq2570 complete rqnoidle 0
8,16 1 1198202 9.993780104 2570 Q R 5716992 + 8 [dd]
8,16 1 1198203 9.993784668 2570 G R 5716992 + 8 [dd]
8,16 1 1198204 9.993786413 2570 P N [dd]
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8,16 1 1198261 9.993835003 2570 Q R 5717224 + 8 [dd]
8,16 1 1198262 9.993835251 2570 M R 5717224 + 8 [dd]
8,16 1 1198263 9.993836361 2570 Q R 5717232 + 8 [dd]
8,16 1 1198264 9.993836609 2570 M R 5717232 + 8 [dd]
8,16 1 1198265 9.993837717 2570 Q R 5717240 + 8 [dd]
8,16 1 1198266 9.993837970 2570 M R 5717240 + 8 [dd]
8,16 1 1198267 9.993838830 2570 I R 5716992 + 256 ( 54162) [dd]
8,16 1 0 9.993840146 0 m N cfq2570 insert_request
8,16 1 1198268 9.993841920 2570 U N [dd] 1
8,16 1 0 9.993842806 0 m N cfq2570 dispatch_insert
8,16 1 0 9.993844092 0 m N cfq2570 dispatched a request
8,16 1 0 9.993844846 0 m N cfq2570 activate rq, drv=2
8,16 1 1198269 9.993845118 2570 D R 5716992 + 256 ( 6288) [dd]
8,16 1 1198270 9.994141624 0 C R 5716736 + 256 ( 782341) [0]
8,16 1 0 9.994174463 0 m N cfq2570 complete rqnoidle 0
8,16 1 1198271 9.994266949 2570 Q R 5717248 + 8 [dd]
8,16 1 1198272 9.994271892 2570 G R 5717248 + 8 [dd]
8,16 1 1198273 9.994273520 2570 P N [dd]
8,16 1 1198274 9.994275563 2570 Q R 5717256 + 8 [dd]
8,16 1 1198275 9.994276389 2570 M R 5717256 + 8 [dd]
8,16 1 1198276 9.994278090 2570 Q R 5717264 + 8 [dd]
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8,16 1 1198336 9.994326898 2570 I R 5717248 + 256 ( 55006) [dd]
8,16 1 0 9.994328230 0 m N cfq2570 insert_request
8,16 1 1198337 9.994329907 2570 U N [dd] 1
8,16 1 0 9.994330886 0 m N cfq2570 dispatch_insert
8,16 1 0 9.994332096 0 m N cfq2570 dispatched a request
8,16 1 0 9.994332828 0 m N cfq2570 activate rq, drv=2
8,16 1 1198338 9.994333050 2570 D R 5717248 + 256 ( 6152) [dd]
8,16 1 1198339 9.994629829 0 C R 5716992 + 256 ( 784711) [0]
8,16 1 0 9.994661464 0 m N cfq2570 complete rqnoidle 0
8,16 1 1198340 9.994752149 2570 Q R 5717504 + 8 [dd]
8,16 1 1198341 9.994757116 2570 G R 5717504 + 8 [dd]
8,16 1 1198342 9.994758648 2570 P N [dd]
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8,16 1 1198384 9.994794597 2570 M R 5717672 + 8 [dd]
8,16 1 1198385 9.994795687 2570 Q R 5717680 + 8 [dd]
8,16 1 1198386 9.994795938 2570 M R 5717680 + 8 [dd]
8,16 1 1198387 9.994797108 2570 Q R 5717688 + 8 [dd]
8,16 1 1198388 9.994797369 2570 M R 5717688 + 8 [dd]
8,16 1 1198389 9.994798465 2570 Q R 5717696 + 8 [dd]
8,16 1 1198390 9.994798715 2570 M R 5717696 + 8 [dd]
8,16 1 1198391 9.994799782 2570 Q R 5717704 + 8 [dd]
8,16 1 1198392 9.994800034 2570 M R 5717704 + 8 [dd]
8,16 1 1198393 9.994801267 2570 Q R 5717712 + 8 [dd]
8,16 1 1198394 9.994801518 2570 M R 5717712 + 8 [dd]
8,16 1 1198395 9.994804336 2570 Q R 5717720 + 8 [dd]
8,16 1 1198396 9.994804590 2570 M R 5717720 + 8 [dd]
8,16 1 1198397 9.994805730 2570 Q R 5717728 + 8 [dd]
8,16 1 1198398 9.994805980 2570 M R 5717728 + 8 [dd]
8,16 1 1198399 9.994807057 2570 Q R 5717736 + 8 [dd]
8,16 1 1198400 9.994807314 2570 M R 5717736 + 8 [dd]
8,16 1 1198401 9.994808391 2570 Q R 5717744 + 8 [dd]
8,16 1 1198402 9.994808642 2570 M R 5717744 + 8 [dd]
8,16 1 1198403 9.994809738 2570 Q R 5717752 + 8 [dd]
8,16 1 1198404 9.994809993 2570 M R 5717752 + 8 [dd]
8,16 1 1198405 9.994810844 2570 I R 5717504 + 256 ( 53728) [dd]
8,16 1 0 9.994812228 0 m N cfq2570 insert_request
8,16 1 1198406 9.994813845 2570 U N [dd] 1
8,16 1 0 9.994814579 0 m N cfq2570 dispatch_insert
8,16 1 0 9.994815804 0 m N cfq2570 dispatched a request
8,16 1 0 9.994816536 0 m N cfq2570 activate rq, drv=2
8,16 1 1198407 9.994816821 2570 D R 5717504 + 256 ( 5977) [dd]
8,16 1 1198408 9.995120966 0 C R 5717248 + 256 ( 787916) [0]
8,16 1 0 9.995152425 0 m N cfq2570 complete rqnoidle 0
8,16 1 1198409 9.995588516 22 C R 5717504 + 256 ( 771695) [0]
8,16 1 0 9.995604694 0 m N cfq2570 complete rqnoidle 0
8,16 1 0 9.995605304 0 m N cfq schedule dispatch
8,16 1 0 9.995610896 0 m N cfq2570 slice expired t=0
8,16 1 0 9.995613323 0 m N cfq2570 sl_used=1 disp=14 charge=1 iops=0 sect=3584
8,16 1 0 9.995613922 0 m N cfq2570 del_from_rr
8,16 1 0 9.995615317 0 m N cfq workload slice:10
8,16 1 0 9.995616276 0 m N cfq2577 set_active wl_prio:0 wl_type:1
8,16 1 0 9.995617803 0 m N cfq2577 fifo= (null)
8,16 1 0 9.995618455 0 m N cfq2577 dispatch_insert
8,16 1 0 9.995620143 0 m N cfq2577 dispatched a request
8,16 1 0 9.995620870 0 m N cfq2577 activate rq, drv=1
8,16 1 1198410 9.995621255 22 D R 127095467 + 8 ( 6830688) [kswapd0]
8,16 1 0 9.995632325 0 m N cfq2577 dispatch_insert
8,16 1 0 9.995633106 0 m N cfq2577 dispatched a request
8,16 1 0 9.995633611 0 m N cfq2577 activate rq, drv=2
8,16 1 1198411 9.995633847 22 D R 127100683 + 24 ( 6841571) [kswapd0]
8,16 1 1198412 9.995862020 8 C R 127095467 + 8 ( 240765) [0]
8,16 1 0 9.995866553 0 m N cfq2577 complete rqnoidle 0
8,16 1 0 9.995867340 0 m N cfq2577 set_slice=10
8,16 1 1198413 9.995909670 2577 C R 127100683 + 24 ( 275823) [0]
8,16 1 0 9.995911822 0 m N cfq2577 complete rqnoidle 0
8,16 1 0 9.995912219 0 m N cfq schedule dispatch
8,16 1 1198414 9.995935586 2577 A R 127109795 + 8 <- (8,21) 52503872
8,16 1 1198415 9.995936258 2577 Q R 127109795 + 8 [evolution]
8,16 1 1198416 9.995940062 2577 G R 127109795 + 8 [evolution]
8,16 1 1198417 9.995941861 2577 P N [evolution]
8,16 1 1198418 9.995943395 2577 I R 127109795 + 8 ( 3333) [evolution]
8,16 1 0 9.995944417 0 m N cfq2577 insert_request
8,16 1 1198419 9.995945545 2577 U N [evolution] 1
8,16 1 0 9.995946172 0 m N cfq2577 dispatch_insert
8,16 1 0 9.995946905 0 m N cfq2577 dispatched a request
8,16 1 0 9.995947455 0 m N cfq2577 activate rq, drv=1
8,16 1 1198420 9.995947618 2577 D R 127109795 + 8 ( 4223) [evolution]
8,16 1 1198421 9.995960951 2570 Q R 5717760 + 8 [dd]
8,16 1 1198422 9.995961927 2570 G R 5717760 + 8 [dd]
8,16 1 1198423 9.995962173 2570 P N [dd]
8,16 1 1198424 9.995963514 2570 Q R 5717768 + 8 [dd]
8,16 1 1198425 9.995964687 2570 M R 5717768 + 8 [dd]
8,16 1 1198426 9.995966344 2570 Q R 5717776 + 8 [dd]
8,16 1 1198427 9.995966648 2570 M R 5717776 + 8 [dd]
8,16 1 1198428 9.995967874 2570 Q R 5717784 + 8 [dd]
8,16 1 1198429 9.995968126 2570 M R 5717784 + 8 [dd]
8,16 1 1198430 9.995969233 2570 Q R 5717792 + 8 [dd]
8,16 1 1198431 9.995969483 2570 M R 5717792 + 8 [dd]
8,16 1 1198432 9.995970602 2570 Q R 5717800 + 8 [dd]
8,16 1 1198433 9.995970852 2570 M R 5717800 + 8 [dd]
8,16 1 1198434 9.995971949 2570 Q R 5717808 + 8 [dd]
8,16 1 1198435 9.995972201 2570 M R 5717808 + 8 [dd]
8,16 1 1198436 9.995973299 2570 Q R 5717816 + 8 [dd]
8,16 1 1198437 9.995973559 2570 M R 5717816 + 8 [dd]
8,16 1 1198438 9.995974658 2570 Q R 5717824 + 8 [dd]
8,16 1 1198439 9.995974907 2570 M R 5717824 + 8 [dd]
8,16 1 1198440 9.995976012 2570 Q R 5717832 + 8 [dd]
8,16 1 1198441 9.995976263 2570 M R 5717832 + 8 [dd]
8,16 1 1198442 9.995977424 2570 Q R 5717840 + 8 [dd]
8,16 1 1198443 9.995977675 2570 M R 5717840 + 8 [dd]
8,16 1 1198444 9.995978776 2570 Q R 5717848 + 8 [dd]
8,16 1 1198445 9.995979026 2570 M R 5717848 + 8 [dd]
8,16 1 1198446 9.995982184 2570 Q R 5717856 + 8 [dd]
8,16 1 1198447 9.995982436 2570 M R 5717856 + 8 [dd]
8,16 1 1198448 9.995983606 2570 Q R 5717864 + 8 [dd]
8,16 1 1198449 9.995983856 2570 M R 5717864 + 8 [dd]
8,16 1 1198450 9.995984988 2570 Q R 5717872 + 8 [dd]
8,16 1 1198451 9.995985241 2570 M R 5717872 + 8 [dd]
8,16 1 1198452 9.995986350 2570 Q R 5717880 + 8 [dd]
8,16 1 1198453 9.995986600 2570 M R 5717880 + 8 [dd]
8,16 1 1198454 9.995987699 2570 Q R 5717888 + 8 [dd]
8,16 1 1198455 9.995987949 2570 M R 5717888 + 8 [dd]
8,16 1 1198456 9.995989053 2570 Q R 5717896 + 8 [dd]
8,16 1 1198457 9.995989303 2570 M R 5717896 + 8 [dd]
8,16 1 1198458 9.995991031 2570 Q R 5717904 + 8 [dd]
8,16 1 1198459 9.995991282 2570 M R 5717904 + 8 [dd]
8,16 1 1198460 9.995992402 2570 Q R 5717912 + 8 [dd]
8,16 1 1198461 9.995992665 2570 M R 5717912 + 8 [dd]
8,16 1 1198462 9.995993783 2570 Q R 5717920 + 8 [dd]
8,16 1 1198463 9.995994049 2570 M R 5717920 + 8 [dd]
8,16 1 1198464 9.995995194 2570 Q R 5717928 + 8 [dd]
8,16 1 1198465 9.995995453 2570 M R 5717928 + 8 [dd]
8,16 1 1198466 9.995996565 2570 Q R 5717936 + 8 [dd]
8,16 1 1198467 9.995996814 2570 M R 5717936 + 8 [dd]
8,16 1 1198468 9.995998022 2570 Q R 5717944 + 8 [dd]
8,16 1 1198469 9.995998269 2570 M R 5717944 + 8 [dd]
8,16 1 1198470 9.995999501 2570 Q R 5717952 + 8 [dd]
8,16 1 1198471 9.995999755 2570 M R 5717952 + 8 [dd]
8,16 1 1198472 9.996000869 2570 Q R 5717960 + 8 [dd]
8,16 1 1198473 9.996001119 2570 M R 5717960 + 8 [dd]
8,16 1 1198474 9.996003860 2570 Q R 5717968 + 8 [dd]
8,16 1 1198475 9.996004109 2570 M R 5717968 + 8 [dd]
8,16 1 1198476 9.996005214 2570 Q R 5717976 + 8 [dd]
8,16 1 1198477 9.996005464 2570 M R 5717976 + 8 [dd]
8,16 1 1198478 9.996006583 2570 Q R 5717984 + 8 [dd]
8,16 1 1198479 9.996006837 2570 M R 5717984 + 8 [dd]
8,16 1 1198480 9.996007952 2570 Q R 5717992 + 8 [dd]
8,16 1 1198481 9.996008205 2570 M R 5717992 + 8 [dd]
8,16 1 1198482 9.996009328 2570 Q R 5718000 + 8 [dd]
8,16 1 1198483 9.996009580 2570 M R 5718000 + 8 [dd]
8,16 1 1198484 9.996010703 2570 Q R 5718008 + 8 [dd]
8,16 1 1198485 9.996010953 2570 M R 5718008 + 8 [dd]
8,16 1 1198486 9.996011362 2570 I R 5717760 + 256 ( 49435) [dd]
8,16 1 0 9.996011940 0 m N cfq2570 insert_request
8,16 1 0 9.996012410 0 m N cfq2570 add_to_rr
8,16 1 1198487 9.996013350 2570 U N [dd] 1
8,16 1 1198488 9.996076425 2570 Q R 5718016 + 8 [dd]
8,16 1 1198489 9.996076900 2570 M R 5718016 + 8 [dd]
8,16 1 1198490 9.996079343 2570 Q R 5718024 + 8 [dd]
8,16 1 1198491 9.996079716 2570 M R 5718024 + 8 [dd]
8,16 1 1198492 9.996081166 2570 Q R 5718032 + 8 [dd]
8,16 1 1198493 9.996081531 2570 M R 5718032 + 8 [dd]
8,16 1 1198494 9.996082875 2570 Q R 5718040 + 8 [dd]
8,16 1 1198495 9.996083254 2570 M R 5718040 + 8 [dd]
8,16 1 1198496 9.996084649 2570 Q R 5718048 + 8 [dd]
8,16 1 1198497 9.996085005 2570 M R 5718048 + 8 [dd]
8,16 1 1198498 9.996086309 2570 Q R 5718056 + 8 [dd]
8,16 1 1198499 9.996086676 2570 M R 5718056 + 8 [dd]
8,16 1 1198500 9.996087981 2570 Q R 5718064 + 8 [dd]
8,16 1 1198501 9.996088337 2570 M R 5718064 + 8 [dd]
8,16 1 1198502 9.996089538 2570 Q R 5718072 + 8 [dd]
8,16 1 1198503 9.996089903 2570 M R 5718072 + 8 [dd]
8,16 1 1198504 9.996092903 2570 Q R 5718080 + 8 [dd]
8,16 1 1198505 9.996093272 2570 M R 5718080 + 8 [dd]
8,16 1 1198506 9.996094544 2570 Q R 5718088 + 8 [dd]
8,16 1 1198507 9.996094978 2570 M R 5718088 + 8 [dd]
8,16 1 1198508 9.996096219 2570 Q R 5718096 + 8 [dd]
8,16 1 1198509 9.996096611 2570 M R 5718096 + 8 [dd]
8,16 1 1198510 9.996097834 2570 Q R 5718104 + 8 [dd]
8,16 1 1198511 9.996098216 2570 M R 5718104 + 8 [dd]
8,16 1 1198512 9.996099625 2570 Q R 5718112 + 8 [dd]
8,16 1 1198513 9.996099987 2570 M R 5718112 + 8 [dd]
8,16 1 1198514 9.996101339 2570 Q R 5718120 + 8 [dd]
8,16 1 1198515 9.996101707 2570 M R 5718120 + 8 [dd]
8,16 1 1198516 9.996102946 2570 Q R 5718128 + 8 [dd]
8,16 1 1198517 9.996103302 2570 M R 5718128 + 8 [dd]
8,16 1 1198518 9.996104534 2570 Q R 5718136 + 8 [dd]
8,16 1 1198519 9.996104906 2570 M R 5718136 + 8 [dd]
8,16 1 1198520 9.996106127 2570 Q R 5718144 + 8 [dd]
8,16 1 1198521 9.996106482 2570 M R 5718144 + 8 [dd]
8,16 1 1198522 9.996107704 2570 Q R 5718152 + 8 [dd]
8,16 1 1198523 9.996108068 2570 M R 5718152 + 8 [dd]
8,16 1 1198524 9.996109289 2570 Q R 5718160 + 8 [dd]
8,16 1 1198525 9.996109649 2570 M R 5718160 + 8 [dd]
8,16 1 1198526 9.996110859 2570 Q R 5718168 + 8 [dd]
8,16 1 1198527 9.996111227 2570 M R 5718168 + 8 [dd]
8,16 1 1198528 9.996112546 2570 Q R 5718176 + 8 [dd]
8,16 1 1198529 9.996112904 2570 M R 5718176 + 8 [dd]
8,16 1 1198530 9.996114125 2570 Q R 5718184 + 8 [dd]
8,16 1 1198531 9.996114494 2570 M R 5718184 + 8 [dd]
8,16 1 1198532 9.996117368 2570 Q R 5718192 + 8 [dd]
8,16 1 1198533 9.996117752 2570 M R 5718192 + 8 [dd]
8,16 1 1198534 9.996119006 2570 Q R 5718200 + 8 [dd]
8,16 1 1198535 9.996119376 2570 M R 5718200 + 8 [dd]
8,16 1 1198536 9.996120984 2570 Q R 5718208 + 8 [dd]
8,16 1 1198537 9.996121340 2570 M R 5718208 + 8 [dd]
8,16 1 1198538 9.996122560 2570 Q R 5718216 + 8 [dd]
8,16 1 1198539 9.996122928 2570 M R 5718216 + 8 [dd]
8,16 1 1198540 9.996124256 2570 Q R 5718224 + 8 [dd]
8,16 1 1198541 9.996124613 2570 M R 5718224 + 8 [dd]
8,16 1 1198542 9.996125840 2570 Q R 5718232 + 8 [dd]
8,16 1 1198543 9.996126205 2570 M R 5718232 + 8 [dd]
8,16 1 1198544 9.996127439 2570 Q R 5718240 + 8 [dd]
8,16 1 1198545 9.996127795 2570 M R 5718240 + 8 [dd]
8,16 1 1198546 9.996129008 2570 Q R 5718248 + 8 [dd]
8,16 1 1198547 9.996129368 2570 M R 5718248 + 8 [dd]
8,16 1 1198548 9.996130621 2570 Q R 5718256 + 8 [dd]
8,16 1 1198549 9.996130977 2570 M R 5718256 + 8 [dd]
8,16 1 1198550 9.996132180 2570 Q R 5718264 + 8 [dd]
8,16 1 1198551 9.996132629 2570 M R 5718264 + 8 [dd]
8,16 1 1198552 9.996172197 0 C R 127109795 + 8 ( 224579) [0]
8,16 1 0 9.996175466 0 m N cfq2577 complete rqnoidle 0
8,16 1 0 9.996175960 0 m N cfq schedule dispatch
8,16 1 0 9.996178896 0 m N cfq2577 slice expired t=0
8,16 1 0 9.996180225 0 m N cfq2577 sl_used=1 disp=3 charge=1 iops=0 sect=40
8,16 1 0 9.996180604 0 m N cfq2577 del_from_rr
8,16 1 0 9.996181202 0 m N cfq workload slice:10
8,16 1 0 9.996181922 0 m N cfq2570 set_active wl_prio:0 wl_type:2
8,16 1 0 9.996182708 0 m N cfq2570 fifo= (null)
8,16 1 0 9.996183077 0 m N cfq2570 dispatch_insert
8,16 1 0 9.996183707 0 m N cfq2570 dispatched a request
8,16 1 0 9.996184185 0 m N cfq2570 activate rq, drv=1
8,16 1 1198553 9.996184373 0 D R 5717760 + 512 ( 173011) [swapper/1]
8,16 1 1198554 9.996216977 2577 A R 127110683 + 8 <- (8,21) 52504760
8,16 1 1198555 9.996217210 2577 Q R 127110683 + 8 [evolution]
8,16 1 1198556 9.996218418 2577 G R 127110683 + 8 [evolution]
8,16 1 1198557 9.996219232 2577 P N [evolution]
8,16 1 1198558 9.996219820 2577 I R 127110683 + 8 ( 1402) [evolution]
8,16 1 0 9.996220459 0 m N cfq2577 insert_request
8,16 1 0 9.996220927 0 m N cfq2577 add_to_rr
8,16 1 1198559 9.996221556 2577 U N [evolution] 1
8,16 1 1198560 9.997338818 0 C R 5717760 + 512 ( 1154445) [0]
8,16 1 0 9.997385039 0 m N cfq2570 complete rqnoidle 0
8,16 1 0 9.997386457 0 m N cfq2570 set_slice=10
8,16 1 0 9.997387543 0 m N cfq schedule dispatch
8,16 1 0 9.997396551 0 m N cfq2570 slice expired t=0
8,16 1 0 9.997398888 0 m N cfq2570 sl_used=1 disp=1 charge=1 iops=0 sect=512
8,16 1 0 9.997399487 0 m N cfq2570 del_from_rr
8,16 1 0 9.997400823 0 m N cfq workload slice:10
8,16 1 0 9.997401758 0 m N cfq2577 set_active wl_prio:0 wl_type:1
8,16 1 0 9.997403340 0 m N cfq2577 fifo= (null)
8,16 1 0 9.997403945 0 m N cfq2577 dispatch_insert
8,16 1 0 9.997405661 0 m N cfq2577 dispatched a request
8,16 1 0 9.997406474 0 m N cfq2577 activate rq, drv=1
8,16 1 1198561 9.997406966 0 D R 127110683 + 8 ( 1187146) [swapper/1]
8,16 1 1198562 9.997512108 2570 Q R 5718272 + 8 [dd]
8,16 1 1198563 9.997516538 2570 G R 5718272 + 8 [dd]
8,16 1 1198564 9.997517923 2570 P N [dd]
8,16 1 1198565 9.997519958 2570 Q R 5718280 + 8 [dd]
8,16 1 1198566 9.997520911 2570 M R 5718280 + 8 [dd]
8,16 1 1198567 9.997522452 2570 Q R 5718288 + 8 [dd]
8,16 1 1198568 9.997522707 2570 M R 5718288 + 8 [dd]
8,16 1 1198569 9.997527866 2570 Q R 5718296 + 8 [dd]
8,16 1 1198570 9.997528118 2570 M R 5718296 + 8 [dd]
8,16 1 1198571 9.997529249 2570 Q R 5718304 + 8 [dd]
8,16 1 1198572 9.997529501 2570 M R 5718304 + 8 [dd]
8,16 1 1198573 9.997530720 2570 Q R 5718312 + 8 [dd]
8,16 1 1198574 9.997531017 2570 M R 5718312 + 8 [dd]
8,16 1 1198575 9.997532275 2570 Q R 5718320 + 8 [dd]
8,16 1 1198576 9.997532591 2570 M R 5718320 + 8 [dd]
8,16 1 1198577 9.997533778 2570 Q R 5718328 + 8 [dd]
8,16 1 1198578 9.997534031 2570 M R 5718328 + 8 [dd]
8,16 1 1198579 9.997535144 2570 Q R 5718336 + 8 [dd]
8,16 1 1198580 9.997535394 2570 M R 5718336 + 8 [dd]
8,16 1 1198581 9.997536544 2570 Q R 5718344 + 8 [dd]
8,16 1 1198582 9.997536795 2570 M R 5718344 + 8 [dd]
8,16 1 1198583 9.997537867 2570 Q R 5718352 + 8 [dd]
8,16 1 1198584 9.997538124 2570 M R 5718352 + 8 [dd]
8,16 1 1198585 9.997539210 2570 Q R 5718360 + 8 [dd]
8,16 1 1198586 9.997539468 2570 M R 5718360 + 8 [dd]
8,16 1 1198587 9.997540967 2570 Q R 5718368 + 8 [dd]
8,16 1 1198588 9.997541218 2570 M R 5718368 + 8 [dd]
8,16 1 1198589 9.997542384 2570 Q R 5718376 + 8 [dd]
8,16 1 1198590 9.997542636 2570 M R 5718376 + 8 [dd]
8,16 1 1198591 9.997543814 2570 Q R 5718384 + 8 [dd]
8,16 1 1198592 9.997544080 2570 M R 5718384 + 8 [dd]
8,16 1 1198593 9.997545150 2570 Q R 5718392 + 8 [dd]
8,16 1 1198594 9.997545401 2570 M R 5718392 + 8 [dd]
8,16 1 1198595 9.997546510 2570 Q R 5718400 + 8 [dd]
8,16 1 1198596 9.997546761 2570 M R 5718400 + 8 [dd]
8,16 1 1198597 9.997549903 2570 Q R 5718408 + 8 [dd]
8,16 1 1198598 9.997550193 2570 M R 5718408 + 8 [dd]
8,16 1 1198599 9.997551289 2570 Q R 5718416 + 8 [dd]
8,16 1 1198600 9.997551565 2570 M R 5718416 + 8 [dd]
8,16 1 1198601 9.997552842 2570 Q R 5718424 + 8 [dd]
8,16 1 1198602 9.997553106 2570 M R 5718424 + 8 [dd]
8,16 1 1198603 9.997554292 2570 Q R 5718432 + 8 [dd]
8,16 1 1198604 9.997554548 2570 M R 5718432 + 8 [dd]
8,16 1 1198605 9.997555761 2570 Q R 5718440 + 8 [dd]
8,16 1 1198606 9.997556013 2570 M R 5718440 + 8 [dd]
8,16 1 1198607 9.997557189 2570 Q R 5718448 + 8 [dd]
8,16 1 1198608 9.997557487 2570 M R 5718448 + 8 [dd]
8,16 1 1198609 9.997558670 2570 Q R 5718456 + 8 [dd]
8,16 1 1198610 9.997558931 2570 M R 5718456 + 8 [dd]
8,16 1 1198611 9.997560047 2570 Q R 5718464 + 8 [dd]
8,16 1 1198612 9.997560298 2570 M R 5718464 + 8 [dd]
8,16 1 1198613 9.997561453 2570 Q R 5718472 + 8 [dd]
8,16 1 1198614 9.997561705 2570 M R 5718472 + 8 [dd]
8,16 1 1198615 9.997562776 2570 Q R 5718480 + 8 [dd]
8,16 1 1198616 9.997563032 2570 M R 5718480 + 8 [dd]
8,16 1 1198617 9.997564186 2570 Q R 5718488 + 8 [dd]
8,16 1 1198618 9.997564435 2570 M R 5718488 + 8 [dd]
8,16 1 1198619 9.997565541 2570 Q R 5718496 + 8 [dd]
8,16 1 1198620 9.997565792 2570 M R 5718496 + 8 [dd]
8,16 1 1198621 9.997566979 2570 Q R 5718504 + 8 [dd]
8,16 1 1198622 9.997567231 2570 M R 5718504 + 8 [dd]
8,16 1 1198623 9.997568327 2570 Q R 5718512 + 8 [dd]
8,16 1 1198624 9.997568582 2570 M R 5718512 + 8 [dd]
8,16 1 1198625 9.997571309 2570 Q R 5718520 + 8 [dd]
8,16 1 1198626 9.997571563 2570 M R 5718520 + 8 [dd]
8,16 1 1198627 9.997572355 2570 I R 5718272 + 256 ( 55817) [dd]
8,16 1 0 9.997573394 0 m N cfq2570 insert_request
8,16 1 0 9.997574036 0 m N cfq2570 add_to_rr
8,16 1 1198628 9.997575577 2570 U N [dd] 1
8,16 1 1198629 9.997613973 2570 C R 127110683 + 8 ( 207007) [0]
8,16 1 0 9.997619361 0 m N cfq2577 complete rqnoidle 0
8,16 1 0 9.997619940 0 m N cfq2577 set_slice=10
8,16 1 0 9.997620243 0 m N cfq schedule dispatch
8,16 1 0 9.997623117 0 m N cfq2577 slice expired t=0
8,16 1 0 9.997624406 0 m N cfq2577 sl_used=1 disp=1 charge=1 iops=0 sect=8
8,16 1 0 9.997624813 0 m N cfq2577 del_from_rr
8,16 1 0 9.997625410 0 m N cfq workload slice:10
8,16 1 0 9.997626090 0 m N cfq2570 set_active wl_prio:0 wl_type:2
8,16 1 0 9.997626764 0 m N cfq2570 fifo= (null)
8,16 1 0 9.997627143 0 m N cfq2570 dispatch_insert
8,16 1 0 9.997627812 0 m N cfq2570 dispatched a request
8,16 1 0 9.997628296 0 m N cfq2570 activate rq, drv=1
8,16 1 1198630 9.997628489 2570 D R 5718272 + 256 ( 56134) [dd]
8,16 1 1198631 9.997681693 2577 A R 129160427 + 8 <- (8,21) 54554504
8,16 1 1198632 9.997681939 2577 Q R 129160427 + 8 [evolution]
8,16 1 1198633 9.997683227 2577 G R 129160427 + 8 [evolution]
8,16 1 1198634 9.997683956 2577 P N [evolution]
8,16 1 1198635 9.997684797 2577 I R 129160427 + 8 ( 1570) [evolution]
8,16 1 0 9.997685448 0 m N cfq2577 insert_request
8,16 1 0 9.997685951 0 m N cfq2577 add_to_rr
8,16 1 1198636 9.997686524 2577 U N [evolution] 1
8,16 1 1198637 9.997725992 2570 Q R 5718528 + 8 [dd]
8,16 1 1198638 9.997727282 2570 G R 5718528 + 8 [dd]
8,16 1 1198639 9.997727553 2570 P N [dd]
8,16 1 1198640 9.997729012 2570 Q R 5718536 + 8 [dd]
8,16 1 1198641 9.997729322 2570 M R 5718536 + 8 [dd]
8,16 1 1198642 9.997730493 2570 Q R 5718544 + 8 [dd]
8,16 1 1198643 9.997730813 2570 M R 5718544 + 8 [dd]
8,16 1 1198644 9.997731992 2570 Q R 5718552 + 8 [dd]
8,16 1 1198645 9.997732245 2570 M R 5718552 + 8 [dd]
8,16 1 1198646 9.997733320 2570 Q R 5718560 + 8 [dd]
8,16 1 1198647 9.997733578 2570 M R 5718560 + 8 [dd]
8,16 1 1198648 9.997734835 2570 Q R 5718568 + 8 [dd]
8,16 1 1198649 9.997735088 2570 M R 5718568 + 8 [dd]
8,16 1 1198650 9.997736172 2570 Q R 5718576 + 8 [dd]
8,16 1 1198651 9.997736425 2570 M R 5718576 + 8 [dd]
8,16 1 1198652 9.997737500 2570 Q R 5718584 + 8 [dd]
8,16 1 1198653 9.997737752 2570 M R 5718584 + 8 [dd]
8,16 1 1198654 9.997738832 2570 Q R 5718592 + 8 [dd]
8,16 1 1198655 9.997739092 2570 M R 5718592 + 8 [dd]
8,16 1 1198656 9.997740163 2570 Q R 5718600 + 8 [dd]
8,16 1 1198657 9.997740509 2570 M R 5718600 + 8 [dd]
8,16 1 1198658 9.997741600 2570 Q R 5718608 + 8 [dd]
8,16 1 1198659 9.997741918 2570 M R 5718608 + 8 [dd]
8,16 1 1198660 9.997743063 2570 Q R 5718616 + 8 [dd]
8,16 1 1198661 9.997743316 2570 M R 5718616 + 8 [dd]
8,16 1 1198662 9.997746451 2570 Q R 5718624 + 8 [dd]
8,16 1 1198663 9.997746707 2570 M R 5718624 + 8 [dd]
8,16 1 1198664 9.997747824 2570 Q R 5718632 + 8 [dd]
8,16 1 1198665 9.997748076 2570 M R 5718632 + 8 [dd]
8,16 1 1198666 9.997749317 2570 Q R 5718640 + 8 [dd]
8,16 1 1198667 9.997749567 2570 M R 5718640 + 8 [dd]
8,16 1 1198668 9.997750656 2570 Q R 5718648 + 8 [dd]
8,16 1 1198669 9.997750934 2570 M R 5718648 + 8 [dd]
8,16 1 1198670 9.997752046 2570 Q R 5718656 + 8 [dd]
8,16 1 1198671 9.997752301 2570 M R 5718656 + 8 [dd]
8,16 1 1198672 9.997753442 2570 Q R 5718664 + 8 [dd]
8,16 1 1198673 9.997753694 2570 M R 5718664 + 8 [dd]
8,16 1 1198674 9.997754778 2570 Q R 5718672 + 8 [dd]
8,16 1 1198675 9.997755031 2570 M R 5718672 + 8 [dd]
8,16 1 1198676 9.997756129 2570 Q R 5718680 + 8 [dd]
8,16 1 1198677 9.997756386 2570 M R 5718680 + 8 [dd]
8,16 1 1198678 9.997757480 2570 Q R 5718688 + 8 [dd]
8,16 1 1198679 9.997757735 2570 M R 5718688 + 8 [dd]
8,16 1 1198680 9.997758801 2570 Q R 5718696 + 8 [dd]
8,16 1 1198681 9.997759053 2570 M R 5718696 + 8 [dd]
8,16 1 1198682 9.997760136 2570 Q R 5718704 + 8 [dd]
8,16 1 1198683 9.997760389 2570 M R 5718704 + 8 [dd]
8,16 1 1198684 9.997761476 2570 Q R 5718712 + 8 [dd]
8,16 1 1198685 9.997761729 2570 M R 5718712 + 8 [dd]
8,16 1 1198686 9.997762839 2570 Q R 5718720 + 8 [dd]
8,16 1 1198687 9.997763103 2570 M R 5718720 + 8 [dd]
8,16 1 1198688 9.997764177 2570 Q R 5718728 + 8 [dd]
8,16 1 1198689 9.997764430 2570 M R 5718728 + 8 [dd]
8,16 1 1198690 9.997767140 2570 Q R 5718736 + 8 [dd]
8,16 1 1198691 9.997767392 2570 M R 5718736 + 8 [dd]
8,16 1 1198692 9.997768505 2570 Q R 5718744 + 8 [dd]
8,16 1 1198693 9.997768758 2570 M R 5718744 + 8 [dd]
8,16 1 1198694 9.997769907 2570 Q R 5718752 + 8 [dd]
8,16 1 1198695 9.997770165 2570 M R 5718752 + 8 [dd]
8,16 1 1198696 9.997771391 2570 Q R 5718760 + 8 [dd]
8,16 1 1198697 9.997771644 2570 M R 5718760 + 8 [dd]
8,16 1 1198698 9.997772715 2570 Q R 5718768 + 8 [dd]
8,16 1 1198699 9.997772968 2570 M R 5718768 + 8 [dd]
8,16 1 1198700 9.997774126 2570 Q R 5718776 + 8 [dd]
8,16 1 1198701 9.997774376 2570 M R 5718776 + 8 [dd]
8,16 1 1198702 9.997774818 2570 I R 5718528 + 256 ( 47536) [dd]
8,16 1 0 9.997775685 0 m N cfq2570 insert_request
8,16 1 1198703 9.997776165 2570 U N [dd] 1
8,16 1 0 9.997776693 0 m N cfq2570 dispatch_insert
8,16 1 0 9.997777360 0 m N cfq2570 dispatched a request
8,16 1 0 9.997777839 0 m N cfq2570 activate rq, drv=2
8,16 1 1198704 9.997778021 2570 D R 5718528 + 256 ( 3203) [dd]
8,16 1 1198705 9.998145175 0 C R 5718272 + 256 ( 516686) [0]
8,16 1 0 9.998178095 0 m N cfq2570 complete rqnoidle 0
8,16 1 0 9.998179391 0 m N cfq2570 set_slice=10
8,16 1 1198706 9.998277626 2570 Q R 5718784 + 8 [dd]
8,16 1 1198707 9.998282549 2570 G R 5718784 + 8 [dd]
8,16 1 1198708 9.998283909 2570 P N [dd]
8,16 1 1198709 9.998286466 2570 Q R 5718792 + 8 [dd]
8,16 1 1198710 9.998287233 2570 M R 5718792 + 8 [dd]
8,16 1 1198711 9.998288819 2570 Q R 5718800 + 8 [dd]
8,16 1 1198712 9.998289128 2570 M R 5718800 + 8 [dd]
8,16 1 1198713 9.998290463 2570 Q R 5718808 + 8 [dd]
8,16 1 1198714 9.998290782 2570 M R 5718808 + 8 [dd]
8,16 1 1198715 9.998291960 2570 Q R 5718816 + 8 [dd]
8,16 1 1198716 9.998292216 2570 M R 5718816 + 8 [dd]
8,16 1 1198717 9.998293452 2570 Q R 5718824 + 8 [dd]
8,16 1 1198718 9.998293706 2570 M R 5718824 + 8 [dd]
8,16 1 1198719 9.998294826 2570 Q R 5718832 + 8 [dd]
8,16 1 1198720 9.998295076 2570 M R 5718832 + 8 [dd]
8,16 1 1198721 9.998296188 2570 Q R 5718840 + 8 [dd]
8,16 1 1198722 9.998296440 2570 M R 5718840 + 8 [dd]
8,16 1 1198723 9.998301292 2570 Q R 5718848 + 8 [dd]
8,16 1 1198724 9.998301543 2570 M R 5718848 + 8 [dd]
8,16 1 1198725 9.998302671 2570 Q R 5718856 + 8 [dd]
8,16 1 1198726 9.998302921 2570 M R 5718856 + 8 [dd]
8,16 1 1198727 9.998304137 2570 Q R 5718864 + 8 [dd]
8,16 1 1198728 9.998304444 2570 M R 5718864 + 8 [dd]
8,16 1 1198729 9.998305612 2570 Q R 5718872 + 8 [dd]
8,16 1 1198730 9.998306023 2570 M R 5718872 + 8 [dd]
8,16 1 1198731 9.998307278 2570 Q R 5718880 + 8 [dd]
8,16 1 1198732 9.998307536 2570 M R 5718880 + 8 [dd]
8,16 1 1198733 9.998308749 2570 Q R 5718888 + 8 [dd]
8,16 1 1198734 9.998309159 2570 M R 5718888 + 8 [dd]
8,16 1 1198735 9.998310428 2570 Q R 5718896 + 8 [dd]
8,16 1 1198736 9.998310740 2570 M R 5718896 + 8 [dd]
8,16 1 1198737 9.998312007 2570 Q R 5718904 + 8 [dd]
8,16 1 1198738 9.998312254 2570 M R 5718904 + 8 [dd]
8,16 1 1198739 9.998313452 2570 Q R 5718912 + 8 [dd]
8,16 1 1198740 9.998313701 2570 M R 5718912 + 8 [dd]
8,16 1 1198741 9.998314969 2570 Q R 5718920 + 8 [dd]
8,16 1 1198742 9.998315219 2570 M R 5718920 + 8 [dd]
8,16 1 1198743 9.998316383 2570 Q R 5718928 + 8 [dd]
8,16 1 1198744 9.998316637 2570 M R 5718928 + 8 [dd]
8,16 1 1198745 9.998317744 2570 Q R 5718936 + 8 [dd]
8,16 1 1198746 9.998318003 2570 M R 5718936 + 8 [dd]
8,16 1 1198747 9.998319175 2570 Q R 5718944 + 8 [dd]
8,16 1 1198748 9.998319423 2570 M R 5718944 + 8 [dd]
8,16 1 1198749 9.998320514 2570 Q R 5718952 + 8 [dd]
8,16 1 1198750 9.998320763 2570 M R 5718952 + 8 [dd]
8,16 1 1198751 9.998323664 2570 Q R 5718960 + 8 [dd]
8,16 1 1198752 9.998323914 2570 M R 5718960 + 8 [dd]
8,16 1 1198753 9.998325013 2570 Q R 5718968 + 8 [dd]
8,16 1 1198754 9.998325262 2570 M R 5718968 + 8 [dd]
8,16 1 1198755 9.998326374 2570 Q R 5718976 + 8 [dd]
8,16 1 1198756 9.998326625 2570 M R 5718976 + 8 [dd]
8,16 1 1198757 9.998327712 2570 Q R 5718984 + 8 [dd]
8,16 1 1198758 9.998327962 2570 M R 5718984 + 8 [dd]
8,16 1 1198759 9.998329053 2570 Q R 5718992 + 8 [dd]
8,16 1 1198760 9.998329303 2570 M R 5718992 + 8 [dd]
8,16 1 1198761 9.998330389 2570 Q R 5719000 + 8 [dd]
8,16 1 1198762 9.998330637 2570 M R 5719000 + 8 [dd]
8,16 1 1198763 9.998331785 2570 Q R 5719008 + 8 [dd]
8,16 1 1198764 9.998332034 2570 M R 5719008 + 8 [dd]
8,16 1 1198765 9.998333123 2570 Q R 5719016 + 8 [dd]
8,16 1 1198766 9.998333379 2570 M R 5719016 + 8 [dd]
8,16 1 1198767 9.998334469 2570 Q R 5719024 + 8 [dd]
8,16 1 1198768 9.998334727 2570 M R 5719024 + 8 [dd]
8,16 1 1198769 9.998335818 2570 Q R 5719032 + 8 [dd]
8,16 1 1198770 9.998336080 2570 M R 5719032 + 8 [dd]
8,16 1 1198771 9.998337279 2570 I R 5718784 + 256 ( 54730) [dd]
8,16 1 0 9.998338674 0 m N cfq2570 insert_request
8,16 1 1198772 9.998340424 2570 U N [dd] 1
8,16 1 0 9.998341194 0 m N cfq2570 dispatch_insert
8,16 1 0 9.998342443 0 m N cfq2570 dispatched a request
8,16 1 0 9.998343187 0 m N cfq2570 activate rq, drv=2
8,16 1 1198773 9.998343485 2570 D R 5718784 + 256 ( 6206) [dd]
8,16 1 1198774 9.998637335 0 C R 5718528 + 256 ( 859314) [0]
8,16 1 0 9.998671549 0 m N cfq2570 complete rqnoidle 0
8,16 1 1198775 9.998814006 2570 Q R 5719040 + 8 [dd]
8,16 1 1198776 9.998818725 2570 G R 5719040 + 8 [dd]
8,16 1 1198777 9.998820090 2570 P N [dd]
8,16 1 1198778 9.998822388 2570 Q R 5719048 + 8 [dd]
8,16 1 1198779 9.998823161 2570 M R 5719048 + 8 [dd]
8,16 1 1198780 9.998824965 2570 Q R 5719056 + 8 [dd]
8,16 1 1198781 9.998825233 2570 M R 5719056 + 8 [dd]
8,16 1 1198782 9.998826625 2570 Q R 5719064 + 8 [dd]
8,16 1 1198783 9.998826882 2570 M R 5719064 + 8 [dd]
8,16 1 1198784 9.998831436 2570 Q R 5719072 + 8 [dd]
8,16 1 1198785 9.998831701 2570 M R 5719072 + 8 [dd]
8,16 1 1198786 9.998832847 2570 Q R 5719080 + 8 [dd]
8,16 1 1198787 9.998833188 2570 M R 5719080 + 8 [dd]
8,16 1 1198788 9.998834360 2570 Q R 5719088 + 8 [dd]
8,16 1 1198789 9.998834619 2570 M R 5719088 + 8 [dd]
8,16 1 1198790 9.998835841 2570 Q R 5719096 + 8 [dd]
8,16 1 1198791 9.998836104 2570 M R 5719096 + 8 [dd]
8,16 1 1198792 9.998837283 2570 Q R 5719104 + 8 [dd]
8,16 1 1198793 9.998837538 2570 M R 5719104 + 8 [dd]
8,16 1 1198794 9.998838705 2570 Q R 5719112 + 8 [dd]
8,16 1 1198795 9.998838966 2570 M R 5719112 + 8 [dd]
8,16 1 1198796 9.998840129 2570 Q R 5719120 + 8 [dd]
8,16 1 1198797 9.998840383 2570 M R 5719120 + 8 [dd]
8,16 1 1198798 9.998841509 2570 Q R 5719128 + 8 [dd]
8,16 1 1198799 9.998841785 2570 M R 5719128 + 8 [dd]
8,16 1 1198800 9.998843055 2570 Q R 5719136 + 8 [dd]
8,16 1 1198801 9.998843306 2570 M R 5719136 + 8 [dd]
8,16 1 1198802 9.998844451 2570 Q R 5719144 + 8 [dd]
8,16 1 1198803 9.998844701 2570 M R 5719144 + 8 [dd]
8,16 1 1198804 9.998845793 2570 Q R 5719152 + 8 [dd]
8,16 1 1198805 9.998846046 2570 M R 5719152 + 8 [dd]
8,16 1 1198806 9.998847127 2570 Q R 5719160 + 8 [dd]
8,16 1 1198807 9.998847379 2570 M R 5719160 + 8 [dd]
8,16 1 1198808 9.998848468 2570 Q R 5719168 + 8 [dd]
8,16 1 1198809 9.998848724 2570 M R 5719168 + 8 [dd]
8,16 1 1198810 9.998849897 2570 Q R 5719176 + 8 [dd]
8,16 1 1198811 9.998850313 2570 M R 5719176 + 8 [dd]
8,16 1 1198812 9.998853178 2570 Q R 5719184 + 8 [dd]
8,16 1 1198813 9.998853436 2570 M R 5719184 + 8 [dd]
8,16 1 1198814 9.998854623 2570 Q R 5719192 + 8 [dd]
8,16 1 1198815 9.998854872 2570 M R 5719192 + 8 [dd]
8,16 1 1198816 9.998855971 2570 Q R 5719200 + 8 [dd]
8,16 1 1198817 9.998856224 2570 M R 5719200 + 8 [dd]
8,16 1 1198818 9.998857312 2570 Q R 5719208 + 8 [dd]
8,16 1 1198819 9.998857588 2570 M R 5719208 + 8 [dd]
8,16 1 1198820 9.998859026 2570 Q R 5719216 + 8 [dd]
8,16 1 1198821 9.998859281 2570 M R 5719216 + 8 [dd]
8,16 1 1198822 9.998860490 2570 Q R 5719224 + 8 [dd]
8,16 1 1198823 9.998860758 2570 M R 5719224 + 8 [dd]
8,16 1 1198824 9.998861935 2570 Q R 5719232 + 8 [dd]
8,16 1 1198825 9.998862185 2570 M R 5719232 + 8 [dd]
8,16 1 1198826 9.998863465 2570 Q R 5719240 + 8 [dd]
8,16 1 1198827 9.998863731 2570 M R 5719240 + 8 [dd]
8,16 1 1198828 9.998864923 2570 Q R 5719248 + 8 [dd]
8,16 1 1198829 9.998865180 2570 M R 5719248 + 8 [dd]
8,16 1 1198830 9.998866382 2570 Q R 5719256 + 8 [dd]
8,16 1 1198831 9.998866632 2570 M R 5719256 + 8 [dd]
8,16 1 1198832 9.998867814 2570 Q R 5719264 + 8 [dd]
8,16 1 1198833 9.998868069 2570 M R 5719264 + 8 [dd]
8,16 1 1198834 9.998869250 2570 Q R 5719272 + 8 [dd]
8,16 1 1198835 9.998869505 2570 M R 5719272 + 8 [dd]
8,16 1 1198836 9.998870701 2570 Q R 5719280 + 8 [dd]
8,16 1 1198837 9.998870955 2570 M R 5719280 + 8 [dd]
8,16 1 1198838 9.998872199 2570 Q R 5719288 + 8 [dd]
8,16 1 1198839 9.998872450 2570 M R 5719288 + 8 [dd]
8,16 1 1198840 9.998873325 2570 I R 5719040 + 256 ( 54600) [dd]
8,16 1 0 9.998875079 0 m N cfq2570 insert_request
8,16 1 1198841 9.998876908 2570 U N [dd] 1
8,16 1 0 9.998877704 0 m N cfq2570 dispatch_insert
8,16 1 0 9.998879045 0 m N cfq2570 dispatched a request
8,16 1 0 9.998879788 0 m N cfq2570 activate rq, drv=2
8,16 1 1198842 9.998880072 2570 D R 5719040 + 256 ( 6747) [dd]
8,16 1 1198843 9.999128563 0 C R 5718784 + 256 ( 785078) [0]
8,16 1 0 9.999161339 0 m N cfq2570 complete rqnoidle 0
8,16 1 1198844 9.999263022 2570 Q R 5719296 + 8 [dd]
8,16 1 1198845 9.999268323 2570 G R 5719296 + 8 [dd]
8,16 1 1198846 9.999269923 2570 P N [dd]
8,16 1 1198847 9.999271887 2570 Q R 5719304 + 8 [dd]
8,16 1 1198848 9.999272680 2570 M R 5719304 + 8 [dd]
8,16 1 1198849 9.999274299 2570 Q R 5719312 + 8 [dd]
8,16 1 1198850 9.999274621 2570 M R 5719312 + 8 [dd]
8,16 1 1198851 9.999275954 2570 Q R 5719320 + 8 [dd]
8,16 1 1198852 9.999276219 2570 M R 5719320 + 8 [dd]
8,16 1 1198853 9.999277509 2570 Q R 5719328 + 8 [dd]
8,16 1 1198854 9.999277769 2570 M R 5719328 + 8 [dd]
8,16 1 1198855 9.999279405 2570 Q R 5719336 + 8 [dd]
8,16 1 1198856 9.999279656 2570 M R 5719336 + 8 [dd]
8,16 1 1198857 9.999280750 2570 Q R 5719344 + 8 [dd]
8,16 1 1198858 9.999281002 2570 M R 5719344 + 8 [dd]
8,16 1 1198859 9.999282113 2570 Q R 5719352 + 8 [dd]
8,16 1 1198860 9.999282364 2570 M R 5719352 + 8 [dd]
8,16 1 1198861 9.999283601 2570 Q R 5719360 + 8 [dd]
8,16 1 1198862 9.999283851 2570 M R 5719360 + 8 [dd]
8,16 1 1198863 9.999284938 2570 Q R 5719368 + 8 [dd]
8,16 1 1198864 9.999285193 2570 M R 5719368 + 8 [dd]
8,16 1 1198865 9.999286362 2570 Q R 5719376 + 8 [dd]
8,16 1 1198866 9.999286610 2570 M R 5719376 + 8 [dd]
8,16 1 1198867 9.999287703 2570 Q R 5719384 + 8 [dd]
8,16 1 1198868 9.999287954 2570 M R 5719384 + 8 [dd]
8,16 1 1198869 9.999289288 2570 Q R 5719392 + 8 [dd]
8,16 1 1198870 9.999289538 2570 M R 5719392 + 8 [dd]
8,16 1 1198871 9.999290703 2570 Q R 5719400 + 8 [dd]
8,16 1 1198872 9.999290953 2570 M R 5719400 + 8 [dd]
8,16 1 1198873 9.999293719 2570 Q R 5719408 + 8 [dd]
8,16 1 1198874 9.999293971 2570 M R 5719408 + 8 [dd]
8,16 1 1198875 9.999295079 2570 Q R 5719416 + 8 [dd]
8,16 1 1198876 9.999295333 2570 M R 5719416 + 8 [dd]
8,16 1 1198877 9.999296580 2570 Q R 5719424 + 8 [dd]
8,16 1 1198878 9.999296831 2570 M R 5719424 + 8 [dd]
8,16 1 1198879 9.999297922 2570 Q R 5719432 + 8 [dd]
8,16 1 1198880 9.999298173 2570 M R 5719432 + 8 [dd]
8,16 1 1198881 9.999299271 2570 Q R 5719440 + 8 [dd]
8,16 1 1198882 9.999299532 2570 M R 5719440 + 8 [dd]
8,16 1 1198883 9.999300619 2570 Q R 5719448 + 8 [dd]
8,16 1 1198884 9.999300871 2570 M R 5719448 + 8 [dd]
8,16 1 1198885 9.999302052 2570 Q R 5719456 + 8 [dd]
8,16 1 1198886 9.999302303 2570 M R 5719456 + 8 [dd]
8,16 1 1198887 9.999303397 2570 Q R 5719464 + 8 [dd]
8,16 1 1198888 9.999303647 2570 M R 5719464 + 8 [dd]
8,16 1 1198889 9.999304900 2570 Q R 5719472 + 8 [dd]
8,16 1 1198890 9.999305209 2570 M R 5719472 + 8 [dd]
8,16 1 1198891 9.999306412 2570 Q R 5719480 + 8 [dd]
8,16 1 1198892 9.999306675 2570 M R 5719480 + 8 [dd]
8,16 1 1198893 9.999307848 2570 Q R 5719488 + 8 [dd]
8,16 1 1198894 9.999308107 2570 M R 5719488 + 8 [dd]
8,16 1 1198895 9.999309220 2570 Q R 5719496 + 8 [dd]
8,16 1 1198896 9.999309471 2570 M R 5719496 + 8 [dd]
8,16 1 1198897 9.999310581 2570 Q R 5719504 + 8 [dd]
8,16 1 1198898 9.999310875 2570 M R 5719504 + 8 [dd]
8,16 1 1198899 9.999312017 2570 Q R 5719512 + 8 [dd]
8,16 1 1198900 9.999312272 2570 M R 5719512 + 8 [dd]
8,16 1 1198901 9.999315106 2570 Q R 5719520 + 8 [dd]
8,16 1 1198902 9.999315358 2570 M R 5719520 + 8 [dd]
8,16 1 1198903 9.999316495 2570 Q R 5719528 + 8 [dd]
8,16 1 1198904 9.999316746 2570 M R 5719528 + 8 [dd]
8,16 1 1198905 9.999317852 2570 Q R 5719536 + 8 [dd]
8,16 1 1198906 9.999318103 2570 M R 5719536 + 8 [dd]
8,16 1 1198907 9.999319271 2570 Q R 5719544 + 8 [dd]
8,16 1 1198908 9.999319523 2570 M R 5719544 + 8 [dd]
8,16 1 1198909 9.999320448 2570 I R 5719296 + 256 ( 52125) [dd]
8,16 1 0 9.999321895 0 m N cfq2570 insert_request
8,16 1 1198910 9.999323661 2570 U N [dd] 1
8,16 1 0 9.999324400 0 m N cfq2570 dispatch_insert
8,16 1 0 9.999325762 0 m N cfq2570 dispatched a request
8,16 1 0 9.999326490 0 m N cfq2570 activate rq, drv=2
8,16 1 1198911 9.999326769 2570 D R 5719296 + 256 ( 6321) [dd]
8,16 1 1198912 9.999615787 0 C R 5719040 + 256 ( 735715) [0]
8,16 1 0 9.999647801 0 m N cfq2570 complete rqnoidle 0
8,16 1 1198913 9.999800271 2570 Q R 5719552 + 8 [dd]
8,16 1 1198914 9.999805251 2570 G R 5719552 + 8 [dd]
8,16 1 1198915 9.999806646 2570 P N [dd]
8,16 1 1198916 9.999808904 2570 Q R 5719560 + 8 [dd]
8,16 1 1198917 9.999809719 2570 M R 5719560 + 8 [dd]
8,16 1 1198918 9.999811296 2570 Q R 5719568 + 8 [dd]
8,16 1 1198919 9.999811551 2570 M R 5719568 + 8 [dd]
8,16 1 1198920 9.999812779 2570 Q R 5719576 + 8 [dd]
8,16 1 1198921 9.999813096 2570 M R 5719576 + 8 [dd]
8,16 1 1198922 9.999814316 2570 Q R 5719584 + 8 [dd]
8,16 1 1198923 9.999814568 2570 M R 5719584 + 8 [dd]
8,16 1 1198924 9.999815662 2570 Q R 5719592 + 8 [dd]
8,16 1 1198925 9.999815914 2570 M R 5719592 + 8 [dd]
8,16 1 1198926 9.999817011 2570 Q R 5719600 + 8 [dd]
8,16 1 1198927 9.999817262 2570 M R 5719600 + 8 [dd]
8,16 1 1198928 9.999818366 2570 Q R 5719608 + 8 [dd]
8,16 1 1198929 9.999818628 2570 M R 5719608 + 8 [dd]
8,16 1 1198930 9.999819792 2570 Q R 5719616 + 8 [dd]
8,16 1 1198931 9.999820044 2570 M R 5719616 + 8 [dd]
8,16 1 1198932 9.999821139 2570 Q R 5719624 + 8 [dd]
8,16 1 1198933 9.999821389 2570 M R 5719624 + 8 [dd]
8,16 1 1198934 9.999825670 2570 Q R 5719632 + 8 [dd]
8,16 1 1198935 9.999825923 2570 M R 5719632 + 8 [dd]
8,16 1 1198936 9.999827154 2570 Q R 5719640 + 8 [dd]
8,16 1 1198937 9.999827405 2570 M R 5719640 + 8 [dd]
8,16 1 1198938 9.999828602 2570 Q R 5719648 + 8 [dd]
8,16 1 1198939 9.999828854 2570 M R 5719648 + 8 [dd]
8,16 1 1198940 9.999830028 2570 Q R 5719656 + 8 [dd]
8,16 1 1198941 9.999830355 2570 M R 5719656 + 8 [dd]
8,16 1 1198942 9.999831553 2570 Q R 5719664 + 8 [dd]
8,16 1 1198943 9.999831805 2570 M R 5719664 + 8 [dd]
8,16 1 1198944 9.999832905 2570 Q R 5719672 + 8 [dd]
8,16 1 1198945 9.999833157 2570 M R 5719672 + 8 [dd]
8,16 1 1198946 9.999834350 2570 Q R 5719680 + 8 [dd]
8,16 1 1198947 9.999834602 2570 M R 5719680 + 8 [dd]
8,16 1 1198948 9.999835704 2570 Q R 5719688 + 8 [dd]
8,16 1 1198949 9.999835957 2570 M R 5719688 + 8 [dd]
8,16 1 1198950 9.999837061 2570 Q R 5719696 + 8 [dd]
8,16 1 1198951 9.999837310 2570 M R 5719696 + 8 [dd]
8,16 1 1198952 9.999838418 2570 Q R 5719704 + 8 [dd]
8,16 1 1198953 9.999838674 2570 M R 5719704 + 8 [dd]
8,16 1 1198954 9.999839902 2570 Q R 5719712 + 8 [dd]
8,16 1 1198955 9.999840154 2570 M R 5719712 + 8 [dd]
8,16 1 1198956 9.999841286 2570 Q R 5719720 + 8 [dd]
8,16 1 1198957 9.999841537 2570 M R 5719720 + 8 [dd]
8,16 1 1198958 9.999842684 2570 Q R 5719728 + 8 [dd]
8,16 1 1198959 9.999842936 2570 M R 5719728 + 8 [dd]
8,16 1 1198960 9.999844037 2570 Q R 5719736 + 8 [dd]
8,16 1 1198961 9.999844298 2570 M R 5719736 + 8 [dd]
8,16 1 1198962 9.999847070 2570 Q R 5719744 + 8 [dd]
8,16 1 1198963 9.999847330 2570 M R 5719744 + 8 [dd]
8,16 1 1198964 9.999848422 2570 Q R 5719752 + 8 [dd]
8,16 1 1198965 9.999848672 2570 M R 5719752 + 8 [dd]
8,16 1 1198966 9.999850021 2570 Q R 5719760 + 8 [dd]
8,16 1 1198967 9.999850272 2570 M R 5719760 + 8 [dd]
8,16 1 1198968 9.999851440 2570 Q R 5719768 + 8 [dd]
8,16 1 1198969 9.999851714 2570 M R 5719768 + 8 [dd]
8,16 1 1198970 9.999852878 2570 Q R 5719776 + 8 [dd]
8,16 1 1198971 9.999853133 2570 M R 5719776 + 8 [dd]
8,16 1 1198972 9.999854239 2570 Q R 5719784 + 8 [dd]
8,16 1 1198973 9.999854495 2570 M R 5719784 + 8 [dd]
8,16 1 1198974 9.999855595 2570 Q R 5719792 + 8 [dd]
8,16 1 1198975 9.999855849 2570 M R 5719792 + 8 [dd]
8,16 1 1198976 9.999856947 2570 Q R 5719800 + 8 [dd]
8,16 1 1198977 9.999857198 2570 M R 5719800 + 8 [dd]
8,16 1 1198978 9.999858058 2570 I R 5719552 + 256 ( 52807) [dd]
8,16 1 0 9.999859378 0 m N cfq2570 insert_request
8,16 1 1198979 9.999861062 2570 U N [dd] 1
8,16 1 0 9.999861854 0 m N cfq2570 dispatch_insert
8,16 1 0 9.999863078 0 m N cfq2570 dispatched a request
8,16 1 0 9.999863763 0 m N cfq2570 activate rq, drv=2
8,16 1 1198980 9.999864420 2570 D R 5719552 + 256 ( 6362) [dd]
CPU0 (sdb):
Reads Queued: 60971, 247656KiB Writes Queued: 4, 16KiB
Read Dispatches: 2015, 233044KiB Write Dispatches: 0, 0KiB
Reads Requeued: 0 Writes Requeued: 0
Reads Completed: 107, 13824KiB Writes Completed: 0, 0KiB
Read Merges: 58809, 235564KiB Write Merges: 2, 8KiB
Read depth: 8 Write depth: 1
IO unplugs: 1955 Timer unplugs: 0
CPU1 (sdb):
Reads Queued: 554679, 2223MiB Writes Queued: 13, 52KiB
Read Dispatches: 17603, 2238MiB Write Dispatches: 5, 68KiB
Reads Requeued: 0 Writes Requeued: 0
Reads Completed: 19509, 2457MiB Writes Completed: 7, 68KiB
Read Merges: 537222, 2149MiB Write Merges: 10, 40KiB
Read depth: 8 Write depth: 1
IO unplugs: 17408 Timer unplugs: 0
Total (sdb):
Reads Queued: 615650, 2471MiB Writes Queued: 17, 68KiB
Read Dispatches: 19618, 2471MiB Write Dispatches: 5, 68KiB
Reads Requeued: 0 Writes Requeued: 0
Reads Completed: 19616, 2471MiB Writes Completed: 7, 68KiB
Read Merges: 596031, 2385MiB Write Merges: 12, 48KiB
IO unplugs: 19363 Timer unplugs: 0
Throughput (R/W): 247140KiB/s / 6KiB/s
Events (sdb): 1434007 entries
Skips: 0 forward (0 - 0.0%)
Input file sdb.blktrace.0 added
Input file sdb.blktrace.1 added
--
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