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2026-05-24 - 13:00
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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 May 24, 2026 00:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
55812209157,26sleep30-21swapper/319:09:323
52932209156,26sleep00-21swapper/019:05:470
52792208153,21sleep10-21swapper/119:05:361
53542201161,26sleep20-21swapper/219:06:352
119952680,0sleep00-21swapper/022:52:400
123062670,0sleep10-21swapper/122:53:331
571399150,14cyclictest12351-21expr20:30:132
571399150,0cyclictest0-21swapper/221:45:302
72932140,0sleep10-21swapper/122:02:551
571399140,13cyclictest8048-21ssh22:05:002
571399140,13cyclictest27976-21ssh23:15:122
571399140,13cyclictest0-21swapper/223:05:142
571399140,13cyclictest0-21swapper/222:25:212
571399140,13cyclictest0-21swapper/219:10:132
571399140,1cyclictest2286-21systemctl21:55:192
571399140,0cyclictest0-21swapper/221:50:132
5696991412,1cyclictest9-21ksoftirqd/021:59:590
571399130,13cyclictest0-21swapper/222:10:162
571399130,12cyclictest0-21swapper/223:30:182
571399130,12cyclictest0-21swapper/222:05:072
571399130,0cyclictest30766-21diskmemload00:35:142
571399130,0cyclictest0-21swapper/223:37:292
569699133,5cyclictest8075-21latency_hist19:14:590
5696991312,1cyclictest9-21ksoftirqd/021:09:590
271692130,0sleep10-21swapper/121:00:151
571399122,9cyclictest0-21swapper/221:27:482
5713991210,1cyclictest28-21ksoftirqd/219:35:002
571399120,12cyclictest0-21swapper/223:55:002
571399120,11cyclictest30766-21diskmemload22:40:112
571399120,11cyclictest19927-21expr22:20:152
571399120,11cyclictest0-21swapper/223:40:552
571399120,11cyclictest0-21swapper/223:00:162
571399120,11cyclictest0-21swapper/200:28:412
571399120,1cyclictest30766-21diskmemload22:15:122
571399120,0cyclictest30766-21diskmemload22:45:232
571399120,0cyclictest0-21swapper/223:20:152
571399120,0cyclictest0-21swapper/223:20:142
571399120,0cyclictest0-21swapper/221:17:292
571399120,0cyclictest0-21swapper/200:20:172
571399116,5cyclictest61650irq/122-eno121:38:242
571399111,9cyclictest9044-21telnet19:15:122
571399111,9cyclictest30766-21diskmemload00:00:162
571399110,8cyclictest22050-21aten_r1power_fr21:40:122
571399110,10cyclictest31815-21ntp_states22:35:182
571399110,10cyclictest23364-21users23:50:222
571399110,10cyclictest0-21swapper/223:46:042
571399110,10cyclictest0-21swapper/222:30:452
571399110,10cyclictest0-21swapper/221:23:042
571399110,10cyclictest0-21swapper/200:10:262
571399110,1cyclictest0-21swapper/220:50:172
571399110,1cyclictest0-21swapper/219:35:162
571399110,1cyclictest0-21swapper/200:34:242
571399110,0cyclictest0-21swapper/223:12:422
571399110,0cyclictest0-21swapper/222:51:342
571399110,0cyclictest0-21swapper/221:11:232
571399110,0cyclictest0-21swapper/220:55:112
571399110,0cyclictest0-21swapper/200:15:052
571399110,0cyclictest0-21swapper/200:05:072
569699113,4cyclictest27737-21cut23:15:010
569699113,4cyclictest21174-21cat20:50:010
5696991110,0cyclictest101rcuc/000:00:010
572199108,1cyclictest35-21ksoftirqd/320:00:003
572199100,8cyclictest8078-21munin-node19:45:553
571399102,7cyclictest8013-21cut20:20:152
571399100,9cyclictest0-21swapper/220:05:112
571399100,10cyclictest0-21swapper/223:25:302
571399100,10cyclictest0-21swapper/222:56:122
571399100,0cyclictest0-21swapper/221:34:042
570699100,0cyclictest0-21swapper/120:37:581
569699109,1cyclictest9-21ksoftirqd/022:40:130
569699109,1cyclictest9-21ksoftirqd/021:50:010
569699108,1cyclictest9-21ksoftirqd/023:45:000
569699108,1cyclictest9-21ksoftirqd/022:40:000
569699108,1cyclictest9-21ksoftirqd/020:24:590
569699102,4cyclictest18857-21latency_hist20:45:000
57139992,6cyclictest20781-21aten_r1power_cu19:40:122
57139990,8cyclictest4837-21/usr/sbin/munin20:15:202
57139990,8cyclictest0-21swapper/219:20:132
57139990,7cyclictest240-21systemd-journal21:09:592
57139990,0cyclictest0-21swapper/219:55:002
57139990,0cyclictest0-21swapper/219:55:002
57139990,0cyclictest0-21swapper/219:45:192
56969998,1cyclictest9-21ksoftirqd/021:50:000
56969997,1cyclictest9-21ksoftirqd/021:20:010
56969997,1cyclictest9-21ksoftirqd/000:30:000
56969990,5cyclictest6748-21apt-get23:30:130
56969990,3cyclictest240-21systemd-journal21:21:500
56969990,1cyclictest240-21systemd-journal22:03:360
57219987,1cyclictest35-21ksoftirqd/322:13:313
57219986,1cyclictest35-21ksoftirqd/300:00:003
57219986,1cyclictest10169-21dump-pmu-power21:25:013
57219984,2cyclictest30766-21diskmemload00:38:523
57219982,4cyclictest13810-21sshd20:32:053
57139984,4cyclictest20411-21sensors20:45:202
57139980,7cyclictest0-21swapper/219:25:112
57139980,6cyclictest240-21systemd-journal21:00:002
57139980,5cyclictest240-21systemd-journal20:00:002
57069983,3cyclictest0-21swapper/123:59:481
56969988,0cyclictest9-21ksoftirqd/020:35:140
56969987,1cyclictest9-21ksoftirqd/022:30:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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