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2023-11-28 - 22:57
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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 rack4slot6.osadl.org (updated Tue Nov 28, 2023 12:44:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
538399424421,2cyclictest25-21ksoftirqd/207:10:102
538399418416,1cyclictest25-21ksoftirqd/207:10:112
480052860,76pltrace0-21swapper/607:06:006
495728448,12sleep30-21swapper/307:08:003
499728146,12sleep70-21swapper/707:08:377
482427862,12sleep10-21swapper/107:06:061
396652780,0pltrace0-21swapper/511:40:495
277722740,19sleep02347452pltrace10:30:250
508427357,12sleep50-21swapper/507:09:465
169952730,0sleep00-21swapper/008:25:270
62892690,1sleep7541rcuc/711:12:467
2955652690,4pltrace538999cyclictest08:45:483
494526549,12sleep00-21swapper/007:07:500
55332640,0sleep70-21swapper/710:40:267
484526341,16sleep40-21swapper/407:06:254
153082610,0sleep20-21swapper/211:52:312
275912550,1sleep4539699cyclictest11:33:434
280612240,1sleep71186-21runrttasks08:45:217
539699220,17cyclictest0-21swapper/412:27:474
537299220,1cyclictest0-21swapper/008:40:320
3100952220,0pltrace0-21swapper/007:54:320
2076252220,1pltrace43-21ksoftirqd/511:28:585
22682210,0sleep00-21swapper/008:00:200
5372992018,1cyclictest0-21swapper/007:35:330
131282200,0chrt0-21swapper/711:20:087
653452190,2pltrace111rcu_preempt10:44:231
5400991913,1cyclictest0-21swapper/512:26:555
539699190,14cyclictest0-21swapper/410:10:004
539699190,14cyclictest0-21swapper/410:10:004
141782190,0sleep00-21swapper/009:15:180
5383991812,3cyclictest0-21swapper/212:26:282
5372991812,3cyclictest0-21swapper/008:55:520
537299181,13cyclictest0-21swapper/009:40:330
269672180,9sleep52477852pltrace09:59:475
2635052180,2pltrace111rcu_preempt09:29:491
916552170,2pltrace0-21swapper/511:47:505
653452170,2pltrace111rcu_preempt10:44:275
5413991712,3cyclictest0-21swapper/708:39:027
5408991712,3cyclictest0-21swapper/610:46:116
5408991711,5cyclictest0-21swapper/612:04:146
5396991712,2cyclictest0-21swapper/410:31:354
5396991711,5cyclictest0-21swapper/407:10:444
5396991711,4cyclictest0-21swapper/410:15:044
5396991711,4cyclictest0-21swapper/410:15:044
5396991711,3cyclictest0-21swapper/411:24:214
539699170,16cyclictest0-21swapper/409:59:494
539699170,16cyclictest0-21swapper/409:19:294
5383991711,4cyclictest0-21swapper/208:28:272
5383991711,3cyclictest0-21swapper/212:20:122
5383991711,3cyclictest0-21swapper/211:29:072
538399171,9cyclictest0-21swapper/211:31:012
538399171,15cyclictest0-21swapper/207:16:312
5372991711,3cyclictest0-21swapper/009:02:570
50392170,1sleep00-21swapper/012:14:580
1831352170,2pltrace111rcu_preempt10:22:215
1831352170,2pltrace111rcu_preempt10:22:215
541399163,12cyclictest0-21swapper/712:04:267
5413991611,3cyclictest0-21swapper/710:48:537
5413991610,4cyclictest0-21swapper/708:18:557
5413991610,3cyclictest0-21swapper/711:54:377
5408991611,2cyclictest0-21swapper/612:31:256
5408991610,3cyclictest0-21swapper/610:37:246
5396991613,1cyclictest0-21swapper/407:57:594
5396991611,2cyclictest0-21swapper/411:17:544
5396991610,3cyclictest0-21swapper/410:27:394
539699160,2cyclictest6251-21cat09:05:004
539699160,2cyclictest14051-21latency_hist10:50:014
539699160,13cyclictest0-21swapper/411:49:054
5389991611,3cyclictest0-21swapper/312:22:153
5389991611,2cyclictest0-21swapper/311:48:493
538999161,3cyclictest0-21swapper/308:07:283
5383991611,2cyclictest0-21swapper/211:02:002
538399160,9cyclictest0-21swapper/207:23:212
5372991611,3cyclictest0-21swapper/011:55:310
5372991611,3cyclictest0-21swapper/011:15:180
5372991611,3cyclictest0-21swapper/008:12:240
5372991611,2cyclictest0-21swapper/010:01:430
272852160,1pltrace111rcu_preempt12:11:325
2727352160,2pltrace111rcu_preempt11:05:251
2635052160,2pltrace111rcu_preempt09:29:545
2350952160,2pltrace111rcu_preempt12:32:161
2350952160,1pltrace43-21ksoftirqd/512:32:115
1831352160,1pltrace111rcu_preempt10:22:191
1831352160,1pltrace111rcu_preempt10:22:191
541399151,13cyclictest0-21swapper/710:22:587
541399151,13cyclictest0-21swapper/710:22:577
541399150,3cyclictest0-21swapper/708:40:057
541399150,14cyclictest0-21swapper/709:00:307
5408991510,3cyclictest0-21swapper/612:36:496
5408991510,2cyclictest0-21swapper/612:13:366
5408991510,2cyclictest0-21swapper/610:10:326
5408991510,2cyclictest0-21swapper/610:10:316
5408991510,2cyclictest0-21swapper/608:45:406
540899151,7cyclictest0-21swapper/608:55:016
540899150,8cyclictest0-21swapper/611:01:186
540899150,8cyclictest0-21swapper/608:54:436
5400991513,1cyclictest0-21swapper/510:13:415
5400991513,1cyclictest0-21swapper/510:13:405
539699151,12cyclictest0-21swapper/408:40:004
539699150,7cyclictest0-21swapper/411:04:214
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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