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2025-12-23 - 20:07
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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 100 highest latencies:
System rack1slot1.osadl.org (updated Tue Dec 23, 2025 12:45:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
233292231159,25sleep30-21swapper/307:08:063
232692207141,23sleep00-21swapper/007:07:190
233072206152,42sleep10-21swapper/107:07:491
234372203159,24sleep20-21swapper/207:09:302
52132590,0sleep20-21swapper/208:45:142
23570992019,1cyclictest9-21ksoftirqd/009:20:190
23570992019,1cyclictest9-21ksoftirqd/009:20:190
23570991817,1cyclictest9-21ksoftirqd/012:05:110
23570991611,4cyclictest9-21ksoftirqd/007:20:150
140072160,1sleep314008-21latency_hist11:20:003
23570991515,0cyclictest9-21ksoftirqd/011:15:180
23570991515,0cyclictest9-21ksoftirqd/007:55:120
2357099149,4cyclictest9-21ksoftirqd/010:35:110
2357099146,7cyclictest9-21ksoftirqd/010:50:220
23570991413,1cyclictest9-21ksoftirqd/011:10:100
23570991413,1cyclictest9-21ksoftirqd/010:20:160
23570991412,1cyclictest9-21ksoftirqd/012:39:590
23570991412,1cyclictest9-21ksoftirqd/008:05:000
2357099140,13cyclictest0-21swapper/008:25:010
2357099140,13cyclictest0-21swapper/008:25:010
2357099139,4cyclictest9-21ksoftirqd/009:35:130
23570991312,1cyclictest9-21ksoftirqd/010:55:130
23570991312,1cyclictest9-21ksoftirqd/008:35:000
23570991312,1cyclictest9-21ksoftirqd/008:05:010
23570991311,1cyclictest9-21ksoftirqd/010:05:010
23570991311,1cyclictest9-21ksoftirqd/009:49:590
23570991311,1cyclictest9-21ksoftirqd/007:15:000
23592991211,1cyclictest35-21ksoftirqd/309:10:003
23570991211,1cyclictest9-21ksoftirqd/011:35:160
23570991211,1cyclictest9-21ksoftirqd/011:20:130
23570991211,1cyclictest9-21ksoftirqd/011:20:120
23570991211,1cyclictest9-21ksoftirqd/010:30:010
23570991211,1cyclictest9-21ksoftirqd/010:30:010
23570991211,1cyclictest9-21ksoftirqd/010:15:010
23570991211,1cyclictest9-21ksoftirqd/010:00:000
23570991211,1cyclictest9-21ksoftirqd/009:15:100
23570991211,1cyclictest9-21ksoftirqd/009:05:010
23570991211,1cyclictest9-21ksoftirqd/008:25:000
23570991211,1cyclictest9-21ksoftirqd/007:55:000
23570991211,1cyclictest9-21ksoftirqd/007:45:130
23570991211,1cyclictest9-21ksoftirqd/007:35:120
23570991211,1cyclictest9-21ksoftirqd/007:30:010
23570991210,1cyclictest9-21ksoftirqd/012:30:220
23570991210,1cyclictest9-21ksoftirqd/012:25:150
23570991210,1cyclictest9-21ksoftirqd/012:20:110
23570991210,1cyclictest9-21ksoftirqd/012:15:010
23570991210,1cyclictest9-21ksoftirqd/011:30:120
23570991210,1cyclictest9-21ksoftirqd/011:30:010
23570991210,1cyclictest9-21ksoftirqd/011:05:190
23570991210,1cyclictest9-21ksoftirqd/010:20:010
23570991210,1cyclictest9-21ksoftirqd/009:50:130
23570991210,1cyclictest9-21ksoftirqd/009:30:000
23570991210,1cyclictest9-21ksoftirqd/009:05:010
23570991210,1cyclictest9-21ksoftirqd/008:45:170
23570991210,1cyclictest9-21ksoftirqd/008:20:000
23570991210,1cyclictest9-21ksoftirqd/008:15:000
23592991110,1cyclictest35-21ksoftirqd/312:15:123
23592991110,1cyclictest35-21ksoftirqd/312:05:203
23592991110,1cyclictest35-21ksoftirqd/308:25:013
2357099119,1cyclictest9-21ksoftirqd/012:00:110
2357099119,1cyclictest9-21ksoftirqd/011:44:590
2357099119,1cyclictest9-21ksoftirqd/011:00:130
2357099119,1cyclictest9-21ksoftirqd/008:44:590
23570991111,0cyclictest9-21ksoftirqd/009:30:130
23570991110,1cyclictest9-21ksoftirqd/012:15:140
23570991110,1cyclictest9-21ksoftirqd/011:55:100
23570991110,1cyclictest9-21ksoftirqd/011:50:130
23570991110,1cyclictest9-21ksoftirqd/011:45:110
23570991110,1cyclictest9-21ksoftirqd/010:45:000
23570991110,1cyclictest9-21ksoftirqd/010:40:100
23570991110,1cyclictest9-21ksoftirqd/010:05:120
23570991110,1cyclictest9-21ksoftirqd/009:40:130
23570991110,1cyclictest9-21ksoftirqd/009:10:110
23570991110,1cyclictest9-21ksoftirqd/008:50:130
23570991110,1cyclictest9-21ksoftirqd/008:35:110
23570991110,1cyclictest9-21ksoftirqd/007:40:110
23570991110,1cyclictest9-21ksoftirqd/007:30:130
23570991110,1cyclictest9-21ksoftirqd/007:15:010
2359299109,1cyclictest35-21ksoftirqd/310:45:143
2359299109,1cyclictest35-21ksoftirqd/307:35:003
2359299108,1cyclictest35-21ksoftirqd/311:45:003
2359299108,1cyclictest35-21ksoftirqd/311:20:153
2359299108,1cyclictest35-21ksoftirqd/311:20:153
2359299108,1cyclictest35-21ksoftirqd/308:10:163
23592991010,0cyclictest35-21ksoftirqd/307:49:593
2358399109,1cyclictest28-21ksoftirqd/212:15:112
2358399109,1cyclictest28-21ksoftirqd/212:05:212
2358399109,1cyclictest28-21ksoftirqd/211:10:002
2358399109,1cyclictest28-21ksoftirqd/209:40:182
2358399109,1cyclictest28-21ksoftirqd/209:30:002
2357099109,1cyclictest9-21ksoftirqd/008:55:140
235929999,0cyclictest35-21ksoftirqd/311:25:143
235929998,1cyclictest35-21ksoftirqd/312:15:003
235929998,1cyclictest35-21ksoftirqd/310:55:173
235929998,1cyclictest35-21ksoftirqd/309:35:133
235929998,1cyclictest35-21ksoftirqd/308:45:133
235929998,1cyclictest35-21ksoftirqd/308:35:013
235929998,1cyclictest35-21ksoftirqd/308:20:003
235929998,1cyclictest35-21ksoftirqd/307:15:003
235929998,0cyclictest35-21ksoftirqd/307:50:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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