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2026-04-29 - 03:15
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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 Wed Apr 29, 2026 00:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
191552217149,53sleep30-21swapper/319:05:063
210812214148,22sleep00-21swapper/019:07:360
209612211177,22sleep20-21swapper/219:06:012
191532198160,24sleep10-21swapper/119:05:041
23432860,0sleep20-21swapper/221:35:122
18562750,1sleep2271rcuc/219:35:132
17082620,1sleep2271rcuc/200:25:142
314872600,0sleep10-21swapper/120:35:161
256972220,0sleep10-21swapper/100:14:311
195792220,0sleep10-21swapper/123:23:251
323402170,0sleep20-21swapper/219:30:132
99492140,0sleep00-21swapper/000:35:170
21360991413,1cyclictest9-21ksoftirqd/022:54:270
78892120,0sleep30-21swapper/323:50:143
2139799120,12cyclictest0-21swapper/221:30:522
2138299120,5cyclictest0-21swapper/120:40:121
21360991211,1cyclictest9-21ksoftirqd/022:45:110
21360991210,1cyclictest9-21ksoftirqd/021:15:000
21404991110,1cyclictest35-21ksoftirqd/320:25:003
2140499111,6cyclictest35-21ksoftirqd/300:00:013
2139799119,1cyclictest28-21ksoftirqd/223:10:142
2139799119,1cyclictest28-21ksoftirqd/220:15:002
21397991110,1cyclictest28-21ksoftirqd/223:05:132
21397991110,1cyclictest28-21ksoftirqd/200:00:152
2138299110,11cyclictest0-21swapper/122:40:121
2136099115,6cyclictest9-21ksoftirqd/023:40:170
21360991110,1cyclictest9-21ksoftirqd/023:25:120
21360991110,1cyclictest9-21ksoftirqd/022:30:000
72972100,0sleep30-21swapper/300:31:363
2140499109,1cyclictest35-21ksoftirqd/323:40:003
2140499109,1cyclictest35-21ksoftirqd/300:05:013
2140499108,1cyclictest35-21ksoftirqd/321:45:123
2139799109,1cyclictest28-21ksoftirqd/223:40:132
2139799109,1cyclictest28-21ksoftirqd/223:00:112
2139799109,1cyclictest28-21ksoftirqd/222:55:142
2139799109,1cyclictest28-21ksoftirqd/222:45:142
2139799109,1cyclictest28-21ksoftirqd/222:35:122
2139799109,1cyclictest0-21swapper/219:25:182
2139799108,1cyclictest28-21ksoftirqd/222:50:142
2139799108,1cyclictest28-21ksoftirqd/222:10:132
2139799108,1cyclictest28-21ksoftirqd/221:40:182
2139799108,1cyclictest28-21ksoftirqd/200:15:122
21397991010,0cyclictest28-21ksoftirqd/223:25:132
21397991010,0cyclictest28-21ksoftirqd/221:25:242
2139799100,8cyclictest61650irq/122-eno123:55:322
2138299100,9cyclictest0-21swapper/123:59:441
2138299100,9cyclictest0-21swapper/123:05:131
2138299100,9cyclictest0-21swapper/122:58:201
2138299100,9cyclictest0-21swapper/100:08:061
2138299100,8cyclictest0-21swapper/121:10:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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