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2024-11-21 - 16:10
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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 rack0slot2.osadl.org (updated Thu Nov 21, 2024 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
370800327463,8sleep50-21swapper/507:07:345
370726025518,31sleep70-21swapper/707:03:117
403021024946,1sleep70-21swapper/709:47:597
401866524946,1sleep70-21swapper/709:41:517
371125124946,1sleep70-21swapper/707:08:007
5947024846,1sleep70-21swapper/711:36:077
415070324846,1sleep70-21swapper/710:43:197
408051924846,1sleep70-21swapper/710:12:437
400850724846,1sleep70-21swapper/709:37:267
398693124846,1sleep70-21swapper/709:20:437
381379224846,1sleep70-21swapper/707:55:437
370786324837,8sleep40-21swapper/407:05:334
3708268993834,3cyclictest27750-21kworker/u16:4+flush-8:011:43:015
373321923331,1sleep70-21swapper/707:17:467
370782923222,7sleep60-21swapper/607:05:026
7988223129,1sleep70-21swapper/711:46:577
3708268992826,2cyclictest3804496-21kworker/u16:2+flush-8:007:53:045
3708268992725,2cyclictest3855167-21kworker/u16:1+flush-8:008:22:555
379330822523,1sleep70-21swapper/707:43:337
3708268992523,2cyclictest4111101-21kworker/u16:1+flush-8:010:43:055
3708268992523,2cyclictest4039833-21kworker/u16:4+flush-8:010:03:045
3708268992523,2cyclictest3686145-21kworker/u16:5+events_unbound07:27:575
3708268992422,2cyclictest27750-21kworker/u16:4+flush-8:011:58:075
3708263992419,4cyclictest8196-21latency_hist11:12:424
3708268992321,2cyclictest3967459-21kworker/u16:1+flush-8:009:33:005
3708273992220,1cyclictest0-21swapper/711:17:427
3708268992220,2cyclictest151576-21kworker/u16:4+events_unbound12:22:555
3708268992119,2cyclictest4111101-21kworker/u16:1+flush-8:010:28:065
3708268992119,2cyclictest4111101-21kworker/u16:1+flush-8:010:28:065
3708273992019,0cyclictest0-21swapper/708:08:567
3708268992018,2cyclictest3967459-21kworker/u16:1+flush-8:009:38:055
3708268992018,2cyclictest27750-21kworker/u16:4+flush-8:011:27:575
3708268992018,2cyclictest109309-21kworker/u16:3+events_unbound12:07:585
3708270991914,4cyclictest79947-21latency_hist11:47:416
3708268991915,3cyclictest4100541-21latency_hist10:22:425
370826399190,18cyclictest4142108-21df10:42:534
3708268991816,2cyclictest4039833-21kworker/u16:4+flush-8:010:13:105
3708268991816,2cyclictest3967459-21kworker/u16:1+flush-8:009:22:525
3708268991816,2cyclictest3804496-21kworker/u16:2+flush-8:007:59:475
3708268991816,2cyclictest3717444-21kworker/u16:2+events_unbound07:18:075
3708268991715,2cyclictest3717444-21kworker/u16:2+events_unbound07:16:005
3708268991715,2cyclictest3686145-21kworker/u16:5+flush-8:008:07:435
3708273991614,1cyclictest0-21swapper/707:28:017
3708268991614,2cyclictest3717444-21kworker/u16:2+flush-8:007:32:535
3708268991614,2cyclictest3686145-21kworker/u16:5+events_unbound07:08:425
370826399167,8cyclictest1166-21snmpd08:02:194
370827399150,7cyclictest0-21swapper/710:03:517
3708270991512,2cyclictest960-21lldpd09:35:086
3708270991511,3cyclictest4079996-21latency_hist10:12:426
370827099150,14cyclictest0-21swapper/609:23:586
370826899156,8cyclictest0-21swapper/509:50:595
3708268991513,2cyclictest3986305-21kworker/u16:3+flush-8:009:19:505
370826399150,14cyclictest0-21swapper/411:52:534
370826399150,14cyclictest0-21swapper/409:38:054
370827099147,7cyclictest0-21swapper/607:08:186
3708270991412,2cyclictest3782278-21kworker/u16:0+events_unbound08:07:576
3708270991412,2cyclictest109309-21kworker/u16:3+flush-8:012:07:596
370827099140,6cyclictest0-21swapper/609:52:086
370827099140,14cyclictest0-21swapper/607:17:576
3708268991412,2cyclictest4192528-21kworker/u16:3+events_unbound11:34:275
3708268991412,2cyclictest4161200-21kworker/u16:2+flush-8:011:54:475
3708268991412,2cyclictest3782278-21kworker/u16:0+events_unbound07:44:045
370826399148,6cyclictest26754-21gmain11:28:024
370827399130,11cyclictest0-21swapper/710:30:307
370827399130,11cyclictest0-21swapper/710:30:307
370827099136,7cyclictest0-21swapper/612:24:186
370827099135,8cyclictest0-21swapper/608:23:296
3708270991311,2cyclictest4029667-21kworker/u16:0+events_unbound10:03:076
3708270991311,2cyclictest3723018-21kworker/u16:3+events_unbound07:12:566
3708263991312,1cyclictest0-21swapper/412:08:014
3708263991312,1cyclictest0-21swapper/409:17:544
3708263991311,2cyclictest0-21swapper/409:24:414
370826399130,3cyclictest0-21swapper/411:46:254
370826399130,1cyclictest0-21swapper/410:28:414
370826399130,1cyclictest0-21swapper/410:28:414
370826399130,13cyclictest0-21swapper/412:23:194
370827399129,2cyclictest141365-21turbostat12:17:417
3708273991211,0cyclictest0-21swapper/709:25:287
370827399120,4cyclictest0-21swapper/707:57:527
370827399120,11cyclictest0-21swapper/711:58:567
370827399120,11cyclictest0-21swapper/708:24:207
370827099129,2cyclictest960-21lldpd07:55:086
370827099129,2cyclictest4081578-21irqcore10:13:026
370827099129,2cyclictest27932-21gmain07:43:116
3708270991210,2cyclictest3926780-21kworker/u16:1+flush-8:008:57:426
370827099120,12cyclictest0-21swapper/609:40:096
3708263991211,1cyclictest0-21swapper/409:51:194
3708263991210,2cyclictest0-21swapper/407:53:334
370826399120,6cyclictest4080520-21cat10:12:424
370826399120,11cyclictest0-21swapper/407:17:454
370827099119,2cyclictest3914853-21kworker/u16:4+flush-8:009:18:076
370827099119,2cyclictest27750-21kworker/u16:4+flush-8:011:53:066
370827099110,11cyclictest0-21swapper/611:35:256
370827099110,11cyclictest0-21swapper/607:58:376
370826399119,2cyclictest4068708-21ntpq10:03:054
370826399116,4cyclictest0-21swapper/408:12:424
370826399115,5cyclictest3784980-21irqcore07:42:584
370826399114,6cyclictest1166-21snmpd07:33:194
370826399113,7cyclictest3870137-21cut08:23:004
370826399112,8cyclictest4049812-21wc09:57:424
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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