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2024-04-27 - 14:41
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack0slot5.osadl.org (updated Sat Apr 27, 2024 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
339937199804802,2cyclictest3021759-21sshd20:04:1110
339937199786785,1cyclictest0-21swapper/420:41:2510
339937799763761,2cyclictest0-21swapper/600:14:1012
339936599692692,0cyclictest0-21swapper/220:29:098
339937799679679,0cyclictest0-21swapper/619:14:1112
339936899643618,25cyclictest0-21swapper/319:39:479
339936899630595,15cyclictest0-21swapper/319:09:489
339939099621621,0cyclictest0-21swapper/1019:18:252
339939099570570,0cyclictest0-21swapper/1023:11:102
339939099570570,0cyclictest0-21swapper/1022:49:212
339937199554553,1cyclictest0-21swapper/423:16:2410
3399377995380,24cyclictest0-21swapper/623:40:4712
3399377995380,24cyclictest0-21swapper/623:40:4712
33993689953642,493cyclictest175850irq/140-enp3s0-tx-020:42:499
33993809953125,504cyclictest0-21swapper/722:36:1213
3399380995300,23cyclictest0-21swapper/719:37:2513
33993719952866,0cyclictest60-21ksoftirqd/422:27:4710
339936899528527,1cyclictest3413047-21kworker/3:0+events19:25:109
33993719952721,505cyclictest0-21swapper/419:42:1110
33993659952623,502cyclictest411ktimers/222:22:098
339938099522521,1cyclictest3422386-21kworker/7:0+i915-unordered20:47:1013
33993719952120,42cyclictest0-21swapper/400:07:1010
33993719952116,504cyclictest0-21swapper/420:16:0910
3399368995219,40cyclictest3021759-21sshd21:26:249
3399365995219,511cyclictest0-21swapper/221:00:098
33993719951818,499cyclictest0-21swapper/422:51:0910
3399397995174,0cyclictest0-21swapper/1221:11:244
3399397995172,24cyclictest0-21swapper/1223:18:084
33993719951720,42cyclictest0-21swapper/420:04:4710
33993719951720,42cyclictest0-21swapper/420:04:4710
33993719951716,43cyclictest0-21swapper/422:06:4810
33993689951743,473cyclictest0-21swapper/321:24:109
33993809951521,42cyclictest0-21swapper/721:30:2413
3399380995150,514cyclictest0-21swapper/720:20:1213
33993779951513,12cyclictest0-21swapper/623:38:2412
33993779951513,12cyclictest0-21swapper/623:38:2412
33993689951546,1cyclictest0-21swapper/319:59:219
33993689951540,474cyclictest0-21swapper/322:22:479
33993809951422,12cyclictest0-21swapper/721:23:4813
339937799514501,0cyclictest0-21swapper/619:17:2512
3399377995141,82cyclictest0-21swapper/621:02:4712
33993689951440,473cyclictest0-21swapper/323:18:499
33993689951440,473cyclictest0-21swapper/322:05:469
33993689951440,473cyclictest0-21swapper/300:06:249
33993689951440,0cyclictest175850irq/140-enp3s0-tx-022:46:109
33993689951417,21cyclictest3021759-21sshd23:44:489
33993689951417,21cyclictest3021759-21sshd23:44:489
33993809951334,21cyclictest0-21swapper/719:58:1013
3399380995130,512cyclictest0-21swapper/721:25:1213
33993689951240,0cyclictest0-21swapper/321:03:089
3399377995107,27cyclictest3021772-21dd22:43:0812
33993659951033,476cyclictest0-21swapper/223:21:118
33993979950948,460cyclictest0-21swapper/1221:55:244
3399371995090,50cyclictest0-21swapper/421:43:0910
3399368995097,29cyclictest0-21swapper/323:13:099
33993719950823,485cyclictest0-21swapper/422:10:1010
33993689950835,473cyclictest51-21ksoftirqd/320:25:119
33993689950833,473cyclictest0-21swapper/322:31:099
33993659950817,43cyclictest3021759-21sshd20:31:258
33993979950720,486cyclictest0-21swapper/1219:43:114
33993689950734,473cyclictest0-21swapper/322:03:249
3399390995060,505cyclictest0-21swapper/1022:54:472
3399377995069,0cyclictest0-21swapper/620:26:4712
3399368995060,504cyclictest0-21swapper/321:54:489
33993599950645,461cyclictest175750irq/139-enp3s0-rx-100:37:240
3399380995043,51cyclictest0-21swapper/720:50:1013
339937199504503,1cyclictest0-21swapper/421:08:0910
33993689950431,473cyclictest51-21ksoftirqd/322:17:249
33993689950429,472cyclictest0-21swapper/322:25:099
3399368995040,27cyclictest0-21swapper/323:21:499
3399380995030,0cyclictest0-21swapper/723:40:1113
3399380995030,0cyclictest0-21swapper/723:40:1113
33993689950329,473cyclictest0-21swapper/300:29:499
33993689950326,0cyclictest175850irq/140-enp3s0-tx-020:45:479
33993689950238,0cyclictest175850irq/140-enp3s0-tx-021:35:499
33993979950124,476cyclictest3021772-21dd21:41:094
33993689950127,473cyclictest0-21swapper/323:07:249
339935999501449,1cyclictest0-21swapper/021:45:470
33994069950020,479cyclictest1491ktimers/1419:48:256
33993909950011,1cyclictest0-21swapper/1000:36:472
33993809950026,12cyclictest0-21swapper/720:24:4813
339937799500498,2cyclictest3021759-21sshd20:45:1012
339936899500499,1cyclictest3524941-21kworker/3:0+i915-unordered23:50:249
33993689950026,473cyclictest175850irq/140-enp3s0-tx-020:14:489
3399365995007,42cyclictest3021772-21dd20:10:488
3399365995007,42cyclictest3021772-21dd20:10:488
33993779949913,76cyclictest0-21swapper/619:27:2512
33993809949835,462cyclictest0-21swapper/719:47:2513
33993809949824,473cyclictest0-21swapper/719:34:2113
33993979949736,461cyclictest0-21swapper/1223:25:104
33993979949722,12cyclictest3021772-21dd20:18:104
33993909949722,475cyclictest0-21swapper/1021:26:482
33993719949721,0cyclictest0-21swapper/421:15:4710
33993689949710,27cyclictest0-21swapper/321:15:479
3399410994966,12cyclictest0-21swapper/1522:01:497
33993809949623,12cyclictest0-21swapper/719:54:2113
33993809949621,0cyclictest0-21swapper/700:10:0813
33993809949617,478cyclictest3021759-21sshd22:33:0813
33993809949518,475cyclictest0-21swapper/721:06:0913
33993719949517,473cyclictest0-21swapper/422:03:0810
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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