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2026-07-19 - 22:41
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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 Jul 19, 2026 12:45:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
142962233158,24sleep00-21swapper/007:09:220
142492231159,25sleep30-21swapper/307:08:443
142152214179,23sleep20-21swapper/207:08:182
141692199162,24sleep10-21swapper/107:07:411
109932590,0sleep30-21swapper/311:17:543
211132170,0sleep10-21swapper/111:30:181
14428991211,1cyclictest28-21ksoftirqd/207:19:592
1441999120,0cyclictest0-21swapper/009:00:110
46102110,0sleep10-21swapper/110:28:521
14429991110,1cyclictest35-21ksoftirqd/311:45:163
14429991110,1cyclictest35-21ksoftirqd/309:55:203
14429991110,1cyclictest35-21ksoftirqd/309:15:003
1442899119,1cyclictest28-21ksoftirqd/212:15:132
1442899119,1cyclictest28-21ksoftirqd/211:55:002
1442899119,1cyclictest28-21ksoftirqd/211:00:002
1442899119,1cyclictest28-21ksoftirqd/210:25:012
1442899110,11cyclictest0-21swapper/211:45:572
1441999119,1cyclictest9-21ksoftirqd/009:19:590
1441999119,1cyclictest9-21ksoftirqd/007:50:010
1441999111,5cyclictest15776-21latency_hist11:25:010
1442999109,1cyclictest35-21ksoftirqd/311:05:213
1442999109,1cyclictest35-21ksoftirqd/311:00:123
1442999109,0cyclictest35-21ksoftirqd/310:45:223
1442999108,1cyclictest35-21ksoftirqd/312:30:203
1442999108,1cyclictest35-21ksoftirqd/312:18:143
1442999108,1cyclictest35-21ksoftirqd/310:10:203
14429991010,0cyclictest35-21ksoftirqd/311:29:313
14429991010,0cyclictest35-21ksoftirqd/309:25:183
1442899100,8cyclictest0-21swapper/210:38:272
1442899100,3cyclictest0-21swapper/211:17:392
1441999100,9cyclictest12382-21python12:00:210
144299999,0cyclictest35-21ksoftirqd/312:03:183
144299999,0cyclictest35-21ksoftirqd/311:20:213
144299999,0cyclictest35-21ksoftirqd/310:55:133
144299999,0cyclictest35-21ksoftirqd/309:41:023
144299998,1cyclictest35-21ksoftirqd/312:10:143
144299998,1cyclictest35-21ksoftirqd/311:42:413
144299998,1cyclictest35-21ksoftirqd/309:45:143
144299997,1cyclictest35-21ksoftirqd/312:40:003
144299997,1cyclictest35-21ksoftirqd/309:35:243
144289998,1cyclictest28-21ksoftirqd/212:35:012
144289998,1cyclictest28-21ksoftirqd/212:20:192
144289998,1cyclictest28-21ksoftirqd/208:35:002
144289998,1cyclictest28-21ksoftirqd/207:45:002
144289997,1cyclictest28-21ksoftirqd/208:05:142
144289995,2cyclictest28-21ksoftirqd/209:59:162
144289992,3cyclictest61650irq/122-eno110:10:092
144289991,4cyclictest18841-21apt-get09:25:112
144289990,8cyclictest0-21swapper/212:02:412
144199998,1cyclictest9-21ksoftirqd/012:00:000
144199998,1cyclictest9-21ksoftirqd/010:50:000
144199991,6cyclictest5365-21/usr/sbin/munin10:30:160
144299988,0cyclictest35-21ksoftirqd/311:59:553
144299988,0cyclictest35-21ksoftirqd/310:15:143
144299988,0cyclictest35-21ksoftirqd/309:15:153
144299987,1cyclictest35-21ksoftirqd/308:14:593
144299984,3cyclictest3132-21apt-get11:50:123
144299983,3cyclictest240-21systemd-journal11:15:013
144299982,2cyclictest0-21swapper/309:50:523
144299981,1cyclictest23824-21/usr/sbin/munin11:35:153
144299980,1cyclictest2293-21hddtemp_smartct10:25:163
144289987,1cyclictest28-21ksoftirqd/212:10:002
144289987,1cyclictest28-21ksoftirqd/211:35:122
144289987,1cyclictest28-21ksoftirqd/207:35:012
144289986,1cyclictest6561-21ntpq10:30:202
144289986,1cyclictest61650irq/122-eno109:19:572
144289981,6cyclictest16788-21munin-node09:01:302
144289980,7cyclictest16753-21munin-node07:15:002
144289980,4cyclictest0-21swapper/211:30:112
144289980,0cyclictest0-21swapper/210:48:542
144239980,4cyclictest0-21swapper/111:05:081
144199988,0cyclictest9-21ksoftirqd/012:20:400
144199987,1cyclictest9-21ksoftirqd/009:54:280
144199987,1cyclictest30720-21ssh09:40:060
144199982,1cyclictest8713-21expr11:15:120
144199981,6cyclictest7857-21ssh12:36:100
144199981,2cyclictest7084-21diskmemload10:40:160
144199980,6cyclictest0-21swapper/012:34:540
144199980,1cyclictest20733-21ssh10:07:040
18385270,0sleep10-21swapper/112:09:561
144299977,0cyclictest35-21ksoftirqd/310:40:123
144299977,0cyclictest35-21ksoftirqd/310:20:353
144299977,0cyclictest35-21ksoftirqd/310:05:133
144299977,0cyclictest35-21ksoftirqd/307:50:003
144299976,1cyclictest35-21ksoftirqd/311:30:123
144299976,1cyclictest35-21ksoftirqd/309:20:143
144299976,1cyclictest35-21ksoftirqd/308:55:003
144299976,1cyclictest35-21ksoftirqd/308:15:133
144299975,1cyclictest3814-21sshd07:51:313
144299974,1cyclictest35-21ksoftirqd/307:55:333
144299971,5cyclictest26519-21apt-get12:20:113
144299971,4cyclictest9065-21apt-get08:05:143
144299970,4cyclictest27950-21apt-get08:45:113
144299970,3cyclictest0-21swapper/310:00:363
144289976,1cyclictest61650irq/122-eno111:25:142
144289976,1cyclictest61650irq/122-eno110:25:142
144289976,1cyclictest61650irq/122-eno109:50:092
144289976,1cyclictest61650irq/122-eno109:45:022
144289976,1cyclictest61650irq/122-eno109:43:582
144289976,1cyclictest28-21ksoftirqd/211:05:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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