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2026-06-14 - 12:07
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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 Sun Jun 14, 2026 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
44692219153,52sleep30-21swapper/319:08:443
43642218150,23sleep20-21swapper/219:07:222
44912199156,29sleep00-21swapper/019:09:000
44052198160,25sleep10-21swapper/119:07:531
44172680,0sleep10-21swapper/121:19:091
4655991815,1cyclictest28-21ksoftirqd/221:41:022
4655991313,0cyclictest28-21ksoftirqd/223:30:232
4655991312,1cyclictest28-21ksoftirqd/223:39:592
4655991212,0cyclictest28-21ksoftirqd/200:20:412
4655991211,1cyclictest28-21ksoftirqd/223:15:212
4655991211,1cyclictest28-21ksoftirqd/221:15:122
4655991211,1cyclictest28-21ksoftirqd/200:35:152
4655991210,1cyclictest28-21ksoftirqd/200:00:012
464599120,11cyclictest0-21swapper/119:15:111
466399119,1cyclictest29528-21diskmemload21:47:033
465599119,1cyclictest28-21ksoftirqd/221:45:152
465599117,4cyclictest19319-21kworker/2:220:40:202
4655991110,1cyclictest28-21ksoftirqd/222:55:122
4655991110,1cyclictest28-21ksoftirqd/221:10:222
4655991110,1cyclictest28-21ksoftirqd/200:33:212
4655991110,1cyclictest28-21ksoftirqd/200:04:132
463999119,1cyclictest9-21ksoftirqd/019:45:000
463999119,1cyclictest9-21ksoftirqd/000:20:000
465599109,1cyclictest28-21ksoftirqd/223:25:122
465599109,1cyclictest28-21ksoftirqd/223:20:132
465599109,1cyclictest28-21ksoftirqd/222:42:122
465599109,1cyclictest28-21ksoftirqd/221:30:182
465599109,1cyclictest28-21ksoftirqd/219:25:162
465599108,1cyclictest28-21ksoftirqd/219:40:192
465599108,1cyclictest28-21ksoftirqd/200:26:152
465599108,1cyclictest28-21ksoftirqd/200:19:592
4655991010,0cyclictest28-21ksoftirqd/223:41:122
463999109,1cyclictest9-21ksoftirqd/022:55:010
463999109,1cyclictest9-21ksoftirqd/022:15:000
463999101,4cyclictest28944-21perf20:00:000
23712100,0sleep00-21swapper/020:10:170
46559999,0cyclictest28-21ksoftirqd/221:58:302
46559998,1cyclictest28-21ksoftirqd/223:45:172
46559998,1cyclictest28-21ksoftirqd/223:05:462
46559998,1cyclictest28-21ksoftirqd/223:00:392
46559998,1cyclictest28-21ksoftirqd/222:50:152
46559998,1cyclictest28-21ksoftirqd/222:33:472
46559998,1cyclictest28-21ksoftirqd/222:00:122
46559998,1cyclictest28-21ksoftirqd/221:35:142
46559998,1cyclictest28-21ksoftirqd/221:25:452
46559998,1cyclictest28-21ksoftirqd/220:35:162
46559998,1cyclictest28-21ksoftirqd/220:25:212
46559998,1cyclictest28-21ksoftirqd/220:15:142
46559998,1cyclictest28-21ksoftirqd/200:10:222
46559998,1cyclictest271rcuc/219:50:192
46559997,1cyclictest28-21ksoftirqd/223:10:122
46559997,1cyclictest28-21ksoftirqd/222:45:182
46559997,1cyclictest28-21ksoftirqd/219:40:002
46559991,4cyclictest28-21ksoftirqd/222:20:142
46399998,1cyclictest9-21ksoftirqd/023:30:130
46399997,1cyclictest9-21ksoftirqd/022:35:000
46399992,5cyclictest20338-21apt-get21:40:110
46639986,1cyclictest1029-21snmpd22:30:163
46639986,1cyclictest1029-21snmpd21:11:503
46639986,1cyclictest1029-21snmpd19:32:413
46639986,1cyclictest1029-21snmpd00:28:523
46639984,2cyclictest240-21systemd-journal22:20:003
46639982,5cyclictest29528-21diskmemload23:38:413
46639982,3cyclictest29528-21diskmemload00:11:013
46639981,1cyclictest20316-21apt-get20:50:123
46639980,6cyclictest25014-21kworker/u8:123:24:563
46639980,3cyclictest12458-21cron21:30:013
46559988,0cyclictest28-21ksoftirqd/222:10:092
46559988,0cyclictest28-21ksoftirqd/221:05:192
46559987,1cyclictest28-21ksoftirqd/222:18:182
46559987,1cyclictest28-21ksoftirqd/221:50:162
46559986,1cyclictest28-21ksoftirqd/222:25:202
46559986,1cyclictest28-21ksoftirqd/222:05:072
46559986,1cyclictest28-21ksoftirqd/222:05:072
46559986,1cyclictest28-21ksoftirqd/221:04:592
46559986,1cyclictest28-21ksoftirqd/220:10:172
46559986,1cyclictest28-21ksoftirqd/219:30:112
46559986,1cyclictest28-21ksoftirqd/219:15:012
46559980,8cyclictest0-21swapper/220:30:192
46559980,5cyclictest19319-21kworker/2:220:45:172
46459987,1cyclictest21-21ksoftirqd/123:03:311
46459980,4cyclictest0-21swapper/121:30:111
46399988,0cyclictest9-21ksoftirqd/000:20:140
46399986,1cyclictest9-21ksoftirqd/021:20:130
46399986,1cyclictest9-21ksoftirqd/020:05:000
46399986,1cyclictest21192-21rm22:25:100
46399986,1cyclictest1029-21snmpd00:05:290
46399985,2cyclictest29946-21ssh21:10:020
46399982,4cyclictest4637-21cyclictest22:16:150
46399982,1cyclictest20226-21ssh22:23:030
46399981,6cyclictest27557-21ssh23:15:210
46399981,1cyclictest14407-21ssh23:42:010
46399980,7cyclictest11875-21ssh21:28:310
46399980,1cyclictest3436-21ssh21:16:370
46639977,0cyclictest35-21ksoftirqd/322:24:123
46639976,1cyclictest1029-21snmpd20:47:043
46639976,0cyclictest35-21ksoftirqd/320:07:283
46639975,1cyclictest35-21ksoftirqd/319:50:133
46639975,1cyclictest1029-21snmpd23:41:213
46639975,1cyclictest1029-21snmpd22:10:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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