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2025-11-23 - 18:35
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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 Sun Nov 23, 2025 12:45:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
283572215158,46sleep30-21swapper/307:06:403
265082209158,25sleep20-21swapper/207:05:102
283742201163,26sleep00-21swapper/007:06:530
283032199162,24sleep10-21swapper/107:05:571
28726991918,0cyclictest28-21ksoftirqd/212:25:142
28731991818,0cyclictest35-21ksoftirqd/310:15:163
28731991817,1cyclictest35-21ksoftirqd/310:55:163
28726991817,1cyclictest28-21ksoftirqd/210:31:272
2873199178,6cyclictest35-21ksoftirqd/308:45:253
28731991717,0cyclictest35-21ksoftirqd/311:55:163
28731991717,0cyclictest35-21ksoftirqd/309:59:203
28731991717,0cyclictest35-21ksoftirqd/309:31:323
28726991716,1cyclictest28-21ksoftirqd/212:02:472
28726991716,1cyclictest28-21ksoftirqd/209:15:182
2872699170,17cyclictest0-21swapper/209:51:092
40962160,0sleep30-21swapper/309:29:343
28731991616,0cyclictest35-21ksoftirqd/311:37:223
28731991616,0cyclictest35-21ksoftirqd/311:23:083
28731991616,0cyclictest35-21ksoftirqd/311:06:393
28731991616,0cyclictest35-21ksoftirqd/310:22:593
28731991616,0cyclictest35-21ksoftirqd/310:14:113
2872699163,13cyclictest28-21ksoftirqd/208:55:152
28726991615,1cyclictest28-21ksoftirqd/212:24:352
28726991615,1cyclictest28-21ksoftirqd/211:49:532
28731991515,0cyclictest35-21ksoftirqd/309:50:183
28731991515,0cyclictest35-21ksoftirqd/309:22:393
28726991514,1cyclictest28-21ksoftirqd/212:32:252
28726991514,1cyclictest28-21ksoftirqd/211:52:032
28726991514,1cyclictest28-21ksoftirqd/210:15:192
28726991514,1cyclictest28-21ksoftirqd/209:45:152
28726991514,1cyclictest28-21ksoftirqd/208:15:192
31832140,0sleep10-21swapper/111:42:051
28731991413,1cyclictest35-21ksoftirqd/311:25:293
2872699147,4cyclictest28-21ksoftirqd/211:20:162
28726991414,0cyclictest28-21ksoftirqd/211:41:292
28726991414,0cyclictest28-21ksoftirqd/209:33:072
28726991413,1cyclictest28-21ksoftirqd/212:13:402
28726991413,1cyclictest28-21ksoftirqd/211:05:522
28726991413,1cyclictest28-21ksoftirqd/209:26:442
28726991413,1cyclictest28-21ksoftirqd/207:55:152
28726991412,1cyclictest28-21ksoftirqd/212:10:002
28726991412,1cyclictest28-21ksoftirqd/211:00:002
28726991412,1cyclictest28-21ksoftirqd/210:40:002
28731991313,0cyclictest35-21ksoftirqd/311:11:373
28731991313,0cyclictest35-21ksoftirqd/309:16:163
28731991312,1cyclictest35-21ksoftirqd/311:30:213
28731991311,1cyclictest35-21ksoftirqd/312:40:003
28731991311,1cyclictest35-21ksoftirqd/312:10:233
28731991311,1cyclictest35-21ksoftirqd/309:10:003
2872699139,4cyclictest0-21swapper/208:10:272
2872699138,4cyclictest554-21in:imuxsock11:13:072
28726991313,0cyclictest28-21ksoftirqd/212:37:092
28726991313,0cyclictest28-21ksoftirqd/209:12:262
28726991312,1cyclictest28-21ksoftirqd/212:00:002
28726991312,1cyclictest28-21ksoftirqd/211:20:012
28726991312,1cyclictest28-21ksoftirqd/211:00:172
28726991312,1cyclictest28-21ksoftirqd/209:37:362
28726991312,1cyclictest28-21ksoftirqd/208:10:002
28726991311,1cyclictest28-21ksoftirqd/209:20:112
28726991311,1cyclictest28-21ksoftirqd/207:24:592
28726991311,1cyclictest28-21ksoftirqd/207:20:002
28726991311,1cyclictest28-21ksoftirqd/207:14:592
2871199132,5cyclictest30277-21perf08:20:000
28731991212,0cyclictest35-21ksoftirqd/310:38:103
28731991212,0cyclictest35-21ksoftirqd/310:26:403
28731991212,0cyclictest35-21ksoftirqd/310:06:593
28731991211,1cyclictest35-21ksoftirqd/309:43:444
28731991211,1cyclictest35-21ksoftirqd/308:40:003
28731991211,1cyclictest35-21ksoftirqd/307:39:593
28731991211,1cyclictest35-21ksoftirqd/307:30:003
28731991210,1cyclictest35-21ksoftirqd/312:32:533
28731991210,1cyclictest35-21ksoftirqd/312:05:123
28731991210,1cyclictest35-21ksoftirqd/311:00:183
28731991210,1cyclictest35-21ksoftirqd/310:45:013
28731991210,1cyclictest35-21ksoftirqd/310:05:013
28731991210,1cyclictest35-21ksoftirqd/309:35:193
28731991210,1cyclictest35-21ksoftirqd/308:35:003
28726991212,0cyclictest28-21ksoftirqd/212:15:042
28726991212,0cyclictest28-21ksoftirqd/210:29:102
28726991212,0cyclictest28-21ksoftirqd/210:20:402
28726991212,0cyclictest28-21ksoftirqd/210:05:112
28726991212,0cyclictest28-21ksoftirqd/209:40:083
28726991212,0cyclictest28-21ksoftirqd/208:40:122
28726991212,0cyclictest28-21ksoftirqd/208:20:132
28726991211,1cyclictest28-21ksoftirqd/211:30:182
28726991211,1cyclictest28-21ksoftirqd/210:40:012
28726991210,1cyclictest28-21ksoftirqd/211:35:142
28726991210,1cyclictest28-21ksoftirqd/210:45:092
28726991210,1cyclictest28-21ksoftirqd/210:00:102
28726991210,1cyclictest28-21ksoftirqd/209:00:152
28726991210,1cyclictest28-21ksoftirqd/208:40:002
28726991210,1cyclictest28-21ksoftirqd/208:35:002
28726991210,1cyclictest28-21ksoftirqd/208:30:002
28726991210,1cyclictest28-21ksoftirqd/207:50:012
28711991211,1cyclictest9-21ksoftirqd/009:09:590
28711991210,1cyclictest9-21ksoftirqd/008:35:000
28711991210,1cyclictest9-21ksoftirqd/007:15:000
2871199120,0cyclictest0-21swapper/007:50:120
2873199119,1cyclictest35-21ksoftirqd/312:15:003
2873199119,1cyclictest35-21ksoftirqd/311:40:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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