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2026-06-20 - 17:12
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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 Sat Jun 20, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
34282203165,24sleep00-21swapper/007:09:240
13642202149,41sleep10-21swapper/107:05:111
31532198159,25sleep30-21swapper/307:05:493
31722197159,24sleep20-21swapper/207:06:052
101212190,0sleep10-21swapper/107:20:141
358599144,9cyclictest21861-21ntp_states10:25:202
3585991410,4cyclictest0-21swapper/209:37:402
359599135,5cyclictest1029-21snmpd12:15:373
3585991311,2cyclictest0-21swapper/210:05:152
3585991311,1cyclictest14556-21ntp_states10:15:182
3585991310,2cyclictest1128-21expr08:10:152
3595991210,1cyclictest35-21ksoftirqd/311:50:013
358599129,2cyclictest18051-21gltestperf08:45:152
358599122,9cyclictest18548-21threads10:20:202
3585991211,1cyclictest479-21perf08:09:592
3585991210,2cyclictest27920-21ssh11:18:502
3585991210,2cyclictest21037-21smartctl08:50:192
3585991210,1cyclictest28-21ksoftirqd/207:25:002
3585991210,1cyclictest0-21swapper/209:00:122
358599121,7cyclictest3100-21apt-get08:15:112
358599120,11cyclictest61650irq/122-eno111:50:452
357599120,11cyclictest0-21swapper/010:20:130
359599119,1cyclictest35-21ksoftirqd/310:50:003
359599119,1cyclictest35-21ksoftirqd/309:40:003
359599110,7cyclictest15324-21apt-get12:30:103
359599110,7cyclictest15324-21apt-get12:30:103
358599119,2cyclictest0-21swapper/211:10:142
358599117,3cyclictest29036-21diskmemload10:35:172
358599112,5cyclictest32278-21apt-get11:25:102
3585991111,0cyclictest0-21swapper/209:14:162
3585991110,1cyclictest30442-21irqstats12:05:172
3585991110,1cyclictest21378-21apt-get07:45:122
3585991110,1cyclictest0-21swapper/211:55:132
3585991110,1cyclictest0-21swapper/211:20:542
3585991110,1cyclictest0-21swapper/211:06:572
3585991110,1cyclictest0-21swapper/208:40:132
3585991110,1cyclictest0-21swapper/207:50:152
357599119,1cyclictest9-21ksoftirqd/011:20:000
357599119,1cyclictest9-21ksoftirqd/009:20:010
357599119,1cyclictest9-21ksoftirqd/007:45:000
3575991110,1cyclictest9-21ksoftirqd/010:40:000
359599109,1cyclictest35-21ksoftirqd/312:15:003
359599109,1cyclictest35-21ksoftirqd/312:00:003
359599109,1cyclictest35-21ksoftirqd/309:55:003
359599109,1cyclictest35-21ksoftirqd/309:30:003
359599109,1cyclictest35-21ksoftirqd/309:20:003
359599109,1cyclictest35-21ksoftirqd/307:50:013
359599108,1cyclictest35-21ksoftirqd/312:30:003
358599109,1cyclictest5519-21sshd10:04:162
358599109,1cyclictest0-21swapper/212:22:512
358599109,1cyclictest0-21swapper/211:49:442
358599109,1cyclictest0-21swapper/211:35:422
358599109,1cyclictest0-21swapper/210:30:172
358599109,1cyclictest0-21swapper/209:57:392
358599109,1cyclictest0-21swapper/209:50:182
358599109,1cyclictest0-21swapper/209:45:092
358599109,1cyclictest0-21swapper/209:16:372
358599109,1cyclictest0-21swapper/208:55:222
358599109,1cyclictest0-21swapper/207:30:002
358599108,1cyclictest7276-21runrttasks08:20:562
358599108,1cyclictest570-21nscd12:15:232
358599108,1cyclictest0-21swapper/209:25:182
358599108,1cyclictest0-21swapper/207:15:172
358599106,3cyclictest0-21swapper/211:31:202
358599105,4cyclictest0-21swapper/210:42:322
358599104,4cyclictest12179-21df12:25:122
358599100,8cyclictest1029-21snmpd11:41:432
357599108,1cyclictest9-21ksoftirqd/008:25:000
357599102,4cyclictest17234-21perf11:05:000
357599100,7cyclictest29036-21diskmemload09:59:070
35959999,0cyclictest35-21ksoftirqd/308:00:003
35959999,0cyclictest35-21ksoftirqd/307:55:003
35959999,0cyclictest35-21ksoftirqd/307:35:003
35959998,1cyclictest35-21ksoftirqd/308:40:003
35959998,1cyclictest35-21ksoftirqd/308:30:003
35959997,1cyclictest35-21ksoftirqd/312:05:013
35959997,1cyclictest35-21ksoftirqd/311:05:013
35959990,4cyclictest0-21swapper/308:45:113
35859998,1cyclictest0-21swapper/212:10:132
35859998,1cyclictest0-21swapper/210:50:372
35859996,3cyclictest0-21swapper/210:45:032
35859995,4cyclictest0-21swapper/209:31:132
35859995,3cyclictest0-21swapper/211:00:212
35859991,8cyclictest28-21ksoftirqd/209:05:262
35859991,8cyclictest28-21ksoftirqd/207:35:102
35859991,8cyclictest28-21ksoftirqd/207:30:112
35859991,8cyclictest28-21ksoftirqd/207:10:062
35859991,7cyclictest0-21swapper/212:00:422
35859991,0cyclictest28-21ksoftirqd/212:35:362
35859991,0cyclictest28-21ksoftirqd/212:30:402
35859991,0cyclictest28-21ksoftirqd/212:30:402
35859991,0cyclictest28-21ksoftirqd/210:55:492
35859991,0cyclictest28-21ksoftirqd/210:10:082
35859991,0cyclictest28-21ksoftirqd/209:40:112
35859991,0cyclictest28-21ksoftirqd/209:21:142
35859991,0cyclictest28-21ksoftirqd/208:35:102
35859991,0cyclictest28-21ksoftirqd/208:30:582
35859991,0cyclictest28-21ksoftirqd/208:25:032
35859991,0cyclictest28-21ksoftirqd/208:00:042
35859991,0cyclictest28-21ksoftirqd/207:55:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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