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2024-11-22 - 11:04
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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 50 highest latencies:
System rack0slot6.osadl.org (updated Fri Nov 22, 2024 00:46:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3460249958978,511cyclictest0-21swapper/423:26:4210
3460449956941,528cyclictest0-21swapper/1021:55:212
3460249954214,527cyclictest0-21swapper/419:34:4310
3460249954214,527cyclictest0-21swapper/419:34:4310
3460249953537,497cyclictest0-21swapper/419:23:4310
3460639953435,497cyclictest0-21swapper/1523:09:217
3460279953436,1cyclictest0-21swapper/522:08:4411
3460129953233,498cyclictest0-21swapper/022:59:410
3460449953032,497cyclictest0-21swapper/1019:18:222
3460279953033,497cyclictest0-21swapper/523:29:2111
3460279953033,496cyclictest0-21swapper/523:33:4311
3460249952914,45cyclictest0-21swapper/419:27:2110
3460639952727,0cyclictest0-21swapper/1520:53:447
3460129952730,0cyclictest0-21swapper/022:14:440
3460229952423,498cyclictest0-21swapper/323:06:219
3460619951691,422cyclictest525335-21kworker/14:0+i915-unordered23:34:446
3460549951111,500cyclictest0-21swapper/1321:20:595
3460449950334,467cyclictest0-21swapper/1019:44:442
3460449950334,467cyclictest0-21swapper/1019:44:442
3460449950333,468cyclictest0-21swapper/1019:47:202
3460449950333,468cyclictest0-21swapper/1019:47:202
3460279950116,485cyclictest0-21swapper/521:33:4211
3460619949589,406cyclictest513748-21kworker/14:1+i915-unordered22:45:446
3460619949312,27cyclictest0-21swapper/1420:53:446
346034994925,487cyclictest0-21swapper/720:25:2113
346034994917,484cyclictest0-21swapper/722:35:4413
3460229949122,469cyclictest0-21swapper/321:16:229
34604799489487,2cyclictest501996-21kworker/11:1+events22:28:443
346061994885,44cyclictest0-21swapper/1400:27:316
34604499488458,30cyclictest0-21swapper/1020:06:212
346061994860,485cyclictest0-21swapper/1423:28:216
3460179948315,468cyclictest0-21swapper/221:04:468
34606399482482,0cyclictest561340-21kworker/15:2+events23:46:557
34606399482482,0cyclictest561340-21kworker/15:2+events23:46:557
346061994820,27cyclictest0-21swapper/1419:10:596
3460619948023,456cyclictest0-21swapper/1423:07:446
3460619947853,424cyclictest412774-21kworker/14:0+events20:42:436
34604999477476,1cyclictest4026315-21kworker/12:2+events19:17:214
34606399476476,0cyclictest358169-21kworker/15:1+events20:25:217
3460619947637,438cyclictest0-21swapper/1421:00:446
3460619947622,454cyclictest0-21swapper/1423:56:226
346054994768,468cyclictest0-21swapper/1300:26:425
34602499476419,29cyclictest0-21swapper/422:38:3010
346061994758,27cyclictest0-21swapper/1420:03:216
346054994756,0cyclictest0-21swapper/1323:17:465
34606399474474,0cyclictest576874-21kworker/15:0+i915-unordered00:10:237
34606399474472,2cyclictest463225-21kworker/15:2+i915-unordered22:35:447
34606399473473,0cyclictest328602-21kworker/15:2+events19:15:227
34601799473473,0cyclictest471061-21kworker/2:1+events21:55:218
3460619947261,410cyclictest122354-21kworker/14:2+i915-unordered20:38:456
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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