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2026-07-04 - 03:52
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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
Characteristics of the 50 highest latencies:
System rack1slot1.osadl.org (updated Sat Jul 04, 2026 00:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
310462232158,27sleep20-21swapper/219:09:192
307742210159,25sleep30-21swapper/319:05:463
310242209159,24sleep00-21swapper/019:09:000
310622202165,25sleep10-21swapper/119:09:301
287152590,1sleep10-21swapper/123:26:091
31207991817,1cyclictest35-21ksoftirqd/323:55:203
31207991616,0cyclictest35-21ksoftirqd/319:20:143
31207991615,1cyclictest35-21ksoftirqd/323:41:573
31207991615,1cyclictest35-21ksoftirqd/319:10:153
31207991515,0cyclictest35-21ksoftirqd/322:15:173
31207991515,0cyclictest35-21ksoftirqd/320:45:133
31207991514,1cyclictest35-21ksoftirqd/320:35:163
31207991513,1cyclictest35-21ksoftirqd/321:45:003
31207991414,0cyclictest35-21ksoftirqd/320:00:133
31207991414,0cyclictest35-21ksoftirqd/319:45:123
31207991413,1cyclictest35-21ksoftirqd/322:43:543
3120799134,8cyclictest35-21ksoftirqd/321:25:163
3120799133,6cyclictest35-21ksoftirqd/319:30:183
31207991313,0cyclictest35-21ksoftirqd/323:35:443
31207991313,0cyclictest35-21ksoftirqd/322:13:103
31207991313,0cyclictest35-21ksoftirqd/321:05:203
31207991313,0cyclictest35-21ksoftirqd/319:15:193
31207991312,1cyclictest35-21ksoftirqd/320:55:213
31207991312,1cyclictest35-21ksoftirqd/300:37:253
31207991312,1cyclictest35-21ksoftirqd/300:20:003
31207991312,1cyclictest35-21ksoftirqd/300:04:593
31207991312,0cyclictest35-21ksoftirqd/319:40:013
31207991311,1cyclictest35-21ksoftirqd/321:56:353
31207991311,1cyclictest35-21ksoftirqd/321:15:003
121312130,0sleep10-21swapper/119:35:131
3120799129,1cyclictest35-21ksoftirqd/321:34:593
3120799123,6cyclictest35-21ksoftirqd/321:00:113
31207991212,0cyclictest35-21ksoftirqd/321:20:323
31207991212,0cyclictest35-21ksoftirqd/319:55:133
31207991211,1cyclictest35-21ksoftirqd/323:05:203
31207991211,1cyclictest35-21ksoftirqd/322:22:233
31207991210,1cyclictest35-21ksoftirqd/323:25:173
31207991210,1cyclictest35-21ksoftirqd/323:20:153
31207991210,1cyclictest35-21ksoftirqd/323:10:113
31207991210,1cyclictest35-21ksoftirqd/323:00:123
31207991210,1cyclictest35-21ksoftirqd/322:55:163
31207991210,1cyclictest35-21ksoftirqd/322:55:013
31207991210,1cyclictest35-21ksoftirqd/322:55:013
31207991210,1cyclictest35-21ksoftirqd/321:50:133
31197991211,1cyclictest29061-21sh23:27:102
3119799120,12cyclictest0-21swapper/221:29:592
3120799119,1cyclictest35-21ksoftirqd/322:50:013
3120799119,1cyclictest35-21ksoftirqd/322:05:163
3120799119,1cyclictest35-21ksoftirqd/322:00:133
3120799119,1cyclictest35-21ksoftirqd/321:35:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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