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2024-11-22 - 11:18
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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 rack0slot0.osadl.org (updated Fri Nov 22, 2024 00:45:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1372921650,0sleep00-21swapper/000:26:420
1372921650,0sleep00-21swapper/000:26:420
1069721520,3sleep51244299cyclictest23:18:445
191821410,1sleep61909-21sshd23:14:276
2478721280,0sleep60-21swapper/622:16:166
2191521280,0sleep521916-21sshd00:17:265
2191521280,0sleep521916-21sshd00:17:265
1501321210,1sleep215012-21sshd23:46:142
256021190,0sleep30-21swapper/322:23:583
2649421180,0sleep60-21swapper/600:11:026
2649421180,0sleep60-21swapper/600:11:016
2448821180,2sleep41243499cyclictest21:56:514
940721110,4sleep71245599cyclictest22:34:457
940721110,4sleep71245599cyclictest22:34:447
3146721110,1sleep30-21swapper/322:07:153
1112721110,0sleep50-21swapper/522:28:095
119132980,0sleep70-21swapper/722:18:177
214822950,0sleep30-21swapper/300:14:043
214822950,0sleep30-21swapper/300:14:033
214932890,0sleep40-21swapper/422:12:454
264712880,0sleep10-21swapper/100:21:151
139972870,5sleep21242199cyclictest00:09:532
216272850,1sleep70-21swapper/723:33:197
187052850,0sleep10-21swapper/123:19:361
62922840,0sleep3401rcuc/323:48:463
198432830,0sleep70-21swapper/722:55:527
126912830,0sleep40-21swapper/422:15:114
294902820,1sleep51049-21sshd23:51:065
257872820,0sleep60-21swapper/623:06:426
224822820,0sleep60-21swapper/623:26:376
67202810,1sleep61037-21runrttasks22:41:026
67202810,1sleep61037-21runrttasks22:41:026
33752810,0sleep10-21swapper/122:54:181
33752810,0sleep10-21swapper/122:54:181
301132790,0sleep20-21swapper/221:54:162
209042790,0sleep20-21swapper/222:42:342
209042790,0sleep20-21swapper/222:42:332
135942780,0sleep60-21swapper/622:02:146
122052780,0sleep70-21swapper/723:35:367
319092760,0sleep20-21swapper/222:17:002
301102750,0sleep40-21swapper/423:37:344
184582750,0sleep10-21swapper/121:20:421
184582750,0sleep10-21swapper/121:20:411
196302740,0sleep40-21swapper/422:35:394
92362730,0sleep00-21swapper/021:23:040
92362730,0sleep00-21swapper/021:23:040
30622720,0sleep60-21swapper/600:05:166
229522720,1sleep222951-21sshd21:34:122
6442710,0sleep10-21swapper/121:57:431
44392710,1sleep0121rcuc/021:58:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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