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2026-03-17 - 06:06
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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 Tue Mar 17, 2026 00:46:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
225704725340,5sleep442-21ksoftirqd/419:05:244
225802299381380,1cyclictest2231977-21kworker/2:220:22:032
2258022993810,380cyclictest0-21swapper/220:28:022
2258022993790,0cyclictest0-21swapper/221:06:022
225802899378375,2cyclictest2270876-21kworker/3:123:45:023
225802899374373,1cyclictest2522271-21kworker/u16:200:15:023
225802899374373,1cyclictest2270876-21kworker/3:122:11:023
225802899374372,1cyclictest0-21swapper/322:55:023
225802899374372,1cyclictest0-21swapper/321:13:023
225802899373372,1cyclictest0-21swapper/322:34:023
225802899372371,1cyclictest2270876-21kworker/3:122:05:023
225802899371370,1cyclictest0-21swapper/321:36:023
225802899371369,1cyclictest0-21swapper/300:13:023
225802899371369,1cyclictest0-21swapper/300:09:023
2258028993710,1cyclictest0-21swapper/321:30:023
225802899370369,1cyclictest2270876-21kworker/3:120:15:023
225802899370369,1cyclictest0-21swapper/323:36:023
225802899370369,1cyclictest0-21swapper/321:59:023
225802899370369,1cyclictest0-21swapper/300:33:023
225802899370368,1cyclictest0-21swapper/323:52:023
225802899369368,1cyclictest2270876-21kworker/3:123:56:023
225802899369368,1cyclictest2270876-21kworker/3:122:26:023
225802899369368,1cyclictest0-21swapper/323:26:023
225802899369368,1cyclictest0-21swapper/323:26:023
225802899369368,1cyclictest0-21swapper/322:36:023
225802899369367,1cyclictest2270876-21kworker/3:122:48:023
225802899369367,1cyclictest2270876-21kworker/3:122:22:023
225802899368367,1cyclictest2270876-21kworker/3:100:24:023
225802899368367,1cyclictest0-21swapper/321:45:023
225802899368366,2cyclictest2270876-21kworker/3:121:43:023
225802899368366,1cyclictest2270876-21kworker/3:123:31:023
225802899368366,1cyclictest2270876-21kworker/3:121:22:023
225802899368366,1cyclictest0-21swapper/323:06:023
225802899368366,1cyclictest0-21swapper/322:40:023
225802899367366,1cyclictest2270876-21kworker/3:123:42:023
225802899367366,1cyclictest2270876-21kworker/3:100:36:023
225802899367366,1cyclictest0-21swapper/321:52:023
225802899367366,1cyclictest0-21swapper/321:28:023
225802899367366,1cyclictest0-21swapper/320:40:023
225802899367365,1cyclictest0-21swapper/322:51:023
225805799366365,1cyclictest0-21swapper/723:45:027
225805799366363,1cyclictest23549452sleep721:30:027
225802899366365,1cyclictest2270876-21kworker/3:100:28:023
225802899366365,1cyclictest0-21swapper/323:12:033
225802899366365,1cyclictest0-21swapper/323:04:023
225802899366365,1cyclictest0-21swapper/320:20:023
225802899366364,1cyclictest3723042-21kworker/3:219:55:023
225802899365364,1cyclictest2270876-21kworker/3:123:17:023
225802899365364,1cyclictest2270876-21kworker/3:120:55:023
225802899365364,1cyclictest0-21swapper/321:18:023
225802899365364,1cyclictest0-21swapper/319:30:023
225802899365363,1cyclictest0-21swapper/320:50:023
225805799364363,1cyclictest2501713-21kworker/7:000:15:027
225805799364363,1cyclictest0-21swapper/722:11:027
225805799364362,1cyclictest2440864-21kworker/7:122:55:027
225802899364363,1cyclictest0-21swapper/319:10:023
225802899364363,1cyclictest0-21swapper/319:10:023
225802899364362,1cyclictest3723042-21kworker/3:220:04:023
225805799363362,1cyclictest2377503-21kworker/7:022:34:027
225805799363362,1cyclictest2316016-21kworker/7:221:13:027
225805799363361,1cyclictest0-21swapper/722:05:027
225802899363361,2cyclictest3723042-21kworker/3:219:48:023
225802899362361,1cyclictest2270876-21kworker/3:120:45:023
225802899362360,1cyclictest2270876-21kworker/3:121:01:023
225802899362359,2cyclictest2270876-21kworker/3:120:33:023
225802899361360,1cyclictest0-21swapper/320:06:033
225802899361360,1cyclictest0-21swapper/319:44:023
225802899361360,1cyclictest0-21swapper/319:18:023
225805799360359,1cyclictest2501713-21kworker/7:000:33:027
225805799360359,1cyclictest2377503-21kworker/7:021:59:027
225805799360359,1cyclictest2316016-21kworker/7:221:36:027
225805799360359,1cyclictest0-21swapper/720:15:037
225805799360358,2cyclictest2501713-21kworker/7:023:36:027
225805799360358,1cyclictest2501713-21kworker/7:000:09:027
225802899360359,1cyclictest0-21swapper/319:53:023
225802899360358,1cyclictest3723042-21kworker/3:219:22:033
225805799359358,1cyclictest2501713-21kworker/7:000:13:027
225805799359358,1cyclictest2440864-21kworker/7:123:26:027
225805799359358,1cyclictest2440864-21kworker/7:123:26:027
225805799359358,1cyclictest2377503-21kworker/7:022:36:027
225805799359358,1cyclictest0-21swapper/723:56:027
225805799359358,1cyclictest0-21swapper/722:26:027
225805799359357,1cyclictest2377503-21kworker/7:022:44:027
225805799359357,1cyclictest0-21swapper/722:48:037
225802899359358,1cyclictest2270876-21kworker/3:120:14:023
225805799358357,1cyclictest2501713-21kworker/7:023:52:027
225805799358357,1cyclictest0-21swapper/722:22:027
225805799358357,1cyclictest0-21swapper/721:22:027
225805799358357,1cyclictest0-21swapper/700:24:027
225805799358356,1cyclictest2501713-21kworker/7:000:38:027
225805799358356,1cyclictest2440864-21kworker/7:123:06:027
225805799358356,1cyclictest0-21swapper/721:43:027
225802899358356,1cyclictest2270876-21kworker/3:120:39:033
225802899358356,1cyclictest2270876-21kworker/3:120:39:023
225805799357356,1cyclictest2377503-21kworker/7:021:52:027
225805799357356,1cyclictest2316016-21kworker/7:221:45:027
225805799357356,1cyclictest2273888-21kworker/7:120:40:027
225805799357356,1cyclictest0-21swapper/723:42:027
225805799357356,1cyclictest0-21swapper/723:31:027
225805799357355,1cyclictest0-21swapper/721:25:027
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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