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2026-06-04 - 10:46
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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 rackcslot6.osadl.org (updated Thu Jun 04, 2026 00:46:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
164066625540,6sleep00-21swapper/019:05:170
164232799381379,1cyclictest1884387-21kworker/2:100:39:012
1642327993810,1cyclictest0-21swapper/200:25:022
164232799380379,1cyclictest1603787-21kworker/2:322:18:012
164232799380378,1cyclictest1603787-21kworker/2:322:09:012
164232799380378,1cyclictest1603787-21kworker/2:321:00:022
164232799380378,1cyclictest1603787-21kworker/2:320:08:022
1642327993801,379cyclictest0-21swapper/223:26:012
1642327993800,380cyclictest0-21swapper/222:57:012
1642327993800,380cyclictest0-21swapper/221:33:022
1642327993800,380cyclictest0-21swapper/221:24:022
1642327993800,380cyclictest0-21swapper/200:18:022
1642327993800,379cyclictest0-21swapper/221:56:022
1642327993800,379cyclictest0-21swapper/221:36:012
1642327993800,379cyclictest0-21swapper/220:45:022
1642327993800,1cyclictest0-21swapper/223:44:022
1642327993800,1cyclictest0-21swapper/223:20:022
1642327993800,1cyclictest0-21swapper/221:28:022
1642315993800,379cyclictest0-21swapper/123:12:011
164232799379378,1cyclictest1603787-21kworker/2:323:15:022
164232799379378,1cyclictest1603787-21kworker/2:322:29:022
164232799379378,1cyclictest0-21swapper/220:26:022
1642327993790,379cyclictest0-21swapper/223:46:022
164232799378377,1cyclictest1603787-21kworker/2:321:41:022
164232799378377,1cyclictest1603787-21kworker/2:320:57:022
164232799378377,1cyclictest1603787-21kworker/2:320:50:022
164232799378376,1cyclictest1603787-21kworker/2:319:24:022
164232799377376,1cyclictest0-21swapper/219:27:012
164232799376374,1cyclictest1603787-21kworker/2:319:57:022
164232799375374,1cyclictest1603787-21kworker/2:320:12:022
164232799375373,1cyclictest1603787-21kworker/2:319:32:022
164232799375373,1cyclictest1603787-21kworker/2:319:18:022
164232799374373,1cyclictest1603787-21kworker/2:321:06:012
164232799373372,1cyclictest1657887-21kworker/2:219:49:022
164231599368367,1cyclictest0-21swapper/121:40:021
164231599363362,1cyclictest1926541-21kworker/1:023:17:011
164231599363362,1cyclictest1926541-21kworker/1:022:24:021
164231599363362,1cyclictest0-21swapper/123:37:021
164231599363362,1cyclictest0-21swapper/123:34:021
164231599362359,1cyclictest1901608-21ssh00:07:021
164231599360359,1cyclictest1926541-21kworker/1:023:50:011
164231599360359,1cyclictest1926541-21kworker/1:023:24:021
164231599360359,1cyclictest1926541-21kworker/1:000:21:011
164231599360359,1cyclictest0-21swapper/100:14:021
164231599360358,1cyclictest1734597-21kworker/1:121:50:021
164231599359358,1cyclictest1926541-21kworker/1:021:30:021
164231599359358,1cyclictest0-21swapper/122:02:021
164231599358357,1cyclictest1926541-21kworker/1:020:30:021
164231599358357,1cyclictest1926541-21kworker/1:020:25:021
164231599358357,1cyclictest0-21swapper/123:42:021
164231599358357,1cyclictest0-21swapper/100:36:021
164231599357356,1cyclictest1926541-21kworker/1:023:05:021
164231599357356,1cyclictest1926541-21kworker/1:022:51:021
164231599357356,1cyclictest0-21swapper/121:55:021
164231599357355,2cyclictest1926541-21kworker/1:021:35:021
164231599357355,1cyclictest1926541-21kworker/1:022:41:021
164231599357355,1cyclictest1926541-21kworker/1:021:19:021
164231599357355,1cyclictest0-21swapper/122:46:011
164231599356355,1cyclictest0-21swapper/123:45:021
164231599356355,1cyclictest0-21swapper/122:13:021
164231599356355,1cyclictest0-21swapper/121:46:021
164231599356355,1cyclictest0-21swapper/121:46:021
164231599356354,2cyclictest1926541-21kworker/1:022:07:021
164231599356354,1cyclictest1926541-21kworker/1:022:16:021
164231599356354,1cyclictest1926541-21kworker/1:021:20:011
164231599355354,1cyclictest1926541-21kworker/1:019:55:021
164231599355354,1cyclictest0-21swapper/122:31:021
164231599355354,1cyclictest0-21swapper/100:15:021
164231599355353,1cyclictest1926541-21kworker/1:023:59:021
164231599355353,1cyclictest1926541-21kworker/1:023:04:021
164231599354353,1cyclictest0-21swapper/120:44:021
164231599354353,1cyclictest0-21swapper/119:53:021
164231599353352,1cyclictest0-21swapper/120:00:021
164231599352350,2cyclictest1926541-21kworker/1:019:14:021
164231599351350,1cyclictest0-21swapper/121:09:021
164231599351349,1cyclictest1926541-21kworker/1:020:56:011
164231599350349,1cyclictest1926541-21kworker/1:020:37:021
164231599350349,1cyclictest1926541-21kworker/1:019:20:021
164231599350349,1cyclictest0-21swapper/119:25:021
164231599350348,1cyclictest0-21swapper/120:23:021
164231599350348,1cyclictest0-21swapper/120:23:021
164231599349348,1cyclictest1926541-21kworker/1:019:33:021
164231599349348,1cyclictest0-21swapper/120:47:021
164231599349347,1cyclictest0-21swapper/119:19:011
164231599348347,1cyclictest0-21swapper/119:42:021
164231599348346,1cyclictest1926541-21kworker/1:019:39:021
164234899344343,1cyclictest0-21swapper/522:35:025
164234899310309,1cyclictest1669368-21kworker/5:023:12:025
164230899308306,1cyclictest1597852-21kworker/0:021:34:020
164234199303302,1cyclictest1633157-21kworker/4:019:17:014
164234899296295,1cyclictest1669368-21kworker/5:021:40:015
164234899291290,1cyclictest1669368-21kworker/5:023:37:015
164234899291290,1cyclictest0-21swapper/523:17:025
164234899291290,1cyclictest0-21swapper/522:24:015
164236499290288,1cyclictest0-21swapper/723:02:027
164234899290289,1cyclictest1669368-21kworker/5:023:34:015
164234899290287,1cyclictest0-21swapper/500:07:015
164234899289287,1cyclictest1669368-21kworker/5:000:14:025
164234899288287,1cyclictest0-21swapper/523:50:025
164234899288287,1cyclictest0-21swapper/523:24:025
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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