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2026-05-11 - 06:15
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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 376 highest latencies:
System rack6slot5.osadl.org (updated Mon May 11, 2026 00:45:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
100089999475288,4648cyclictest25867-21kworker/0:019:16:190
100089997125074,4633cyclictest17952-21kworker/0:119:42:300
100089994374833,4593cyclictest23482-21kworker/0:121:15:350
100089993894822,4563cyclictest17952-21kworker/0:119:32:360
100089990454652,4382cyclictest17952-21kworker/0:120:03:460
100089989284479,4434cyclictest17952-21kworker/0:119:46:180
100089987974533,4253cyclictest15022-21kworker/0:221:08:000
100089986994535,4113cyclictest12391-21kworker/0:020:40:440
100089986754334,4325cyclictest17952-21kworker/0:119:51:310
100089985514378,4150cyclictest2049-21kworker/0:221:35:160
100089983144529,3770cyclictest19641-21kworker/0:122:15:120
100089981424163,3929cyclictest17952-21kworker/0:120:12:540
100089979654262,3643cyclictest23482-21kworker/0:121:14:010
100089979594180,3764cyclictest25867-21kworker/0:019:14:230
100089979184170,3734cyclictest27034-21kworker/0:221:26:020
100089979074233,3614cyclictest17952-21kworker/0:119:56:520
100089978784316,3511cyclictest3924-21kworker/0:220:34:030
100089978474132,3700cyclictest2049-21kworker/0:221:53:450
100089978474100,3733cyclictest2049-21kworker/0:221:42:090
100089976874025,3647cyclictest2049-21kworker/0:222:00:460
100089974474010,3386cyclictest3924-21kworker/0:220:17:530
100089973933972,3361cyclictest3924-21kworker/0:220:28:300
100089973514065,3235cyclictest15022-21kworker/0:220:59:270
100089967663615,3140cyclictest3924-21kworker/0:220:24:310
100089966313503,3077cyclictest27034-21kworker/0:221:22:430
100089963503451,2840cyclictest17952-21kworker/0:120:07:460
100089963153163,3137cyclictest25867-21kworker/0:019:21:560
100089962943552,2727cyclictest15022-21kworker/0:220:46:520
100089962713341,2878cyclictest25867-21kworker/0:019:26:270
100089961963279,2902cyclictest2049-21kworker/0:221:33:170
100089961073042,3050cyclictest2049-21kworker/0:221:50:010
100089960933375,2707cyclictest3924-21kworker/0:220:35:390
100089960603212,2789cyclictest17952-21kworker/0:119:36:000
100089958223131,2686cyclictest15022-21kworker/0:220:54:350
100089958193093,2673cyclictest19641-21kworker/0:122:13:120
100089950902679,2406cyclictest15022-21kworker/0:221:01:030
95482834182,203sleep00-21swapper19:06:500
100089962394,469cyclictest11-21ksoftirqd/022:55:180
10008996132,541cyclictest23017-21diskmemload00:18:590
100089952493,248cyclictest3050irq/9-acpi22:09:330
100089951054,270cyclictest18417-21ssh00:38:010
100089949054,421cyclictest23017-21diskmemload23:30:290
100089949026,394cyclictest7823-21ssh00:12:180
100089948426,443cyclictest23017-21diskmemload00:32:430
100089947927,390cyclictest30895-21ssh22:34:200
100089947825,383cyclictest25034-21chrt22:20:310
100089947654,362cyclictest30433-21seq23:49:390
100089947354,357cyclictest23017-21diskmemload21:55:240
100089947352,361cyclictest23017-21diskmemload22:39:230
100089947253,353cyclictest23017-21diskmemload00:26:050
100089947154,355cyclictest23017-21diskmemload00:00:250
100089947055,353cyclictest16659-21strings23:16:130
100089946554,351cyclictest23017-21diskmemload00:41:340
100089946497,354cyclictest11-21ksoftirqd/000:06:200
100089946427,422cyclictest2421-21kworker/u2:022:49:390
100089946253,228cyclictest23017-21diskmemload23:35:150
100089945865,88cyclictest11-21ksoftirqd/023:43:030
100089945754,342cyclictest23017-21diskmemload23:07:580
10008994511,435cyclictest23017-21diskmemload22:27:270
10008994501,435cyclictest2482-21ssh22:43:030
10008994462,430cyclictest23017-21diskmemload23:57:060
100089944424,396cyclictest14301-21df_abs23:10:490
10008994393,375cyclictest21198-21ssh23:26:340
10008994351,373cyclictest23017-21diskmemload23:22:440
10008994312,368cyclictest4894-21runrttasks23:51:120
100089942548,89cyclictest10459-21munin-node23:01:180
100089942024,381cyclictest12460-21ssh00:24:440
100089940254,332cyclictest23017-21diskmemload22:54:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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