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2026-04-06 - 03:38
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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 Mon Apr 06, 2026 00:46:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
109488423980,4sleep10-21swapper/119:05:281
1095719993800,1cyclictest0-21swapper/519:26:025
109570599372371,1cyclictest1281730-21kworker/3:223:59:023
109570599369366,2cyclictest0-21swapper/321:53:023
109570599364363,1cyclictest1147669-21kworker/3:021:25:023
109570599362360,1cyclictest1147669-21kworker/3:021:03:013
109570599361359,1cyclictest1095566-21kworker/3:219:47:023
109570599360358,1cyclictest1147669-21kworker/3:020:43:023
109570599359357,1cyclictest0-21swapper/320:15:023
109570599357356,1cyclictest1147669-21kworker/3:022:26:023
109570599357355,1cyclictest1281730-21kworker/3:222:58:023
109570599357355,1cyclictest1281730-21kworker/3:222:58:023
109570599355353,2cyclictest0-21swapper/319:33:023
109570599355353,1cyclictest0-21swapper/320:51:013
109568799355353,1cyclictest1179015-21kworker/1:021:50:021
109570599354353,1cyclictest0-21swapper/300:00:023
109570599354352,1cyclictest1359811-21kworker/3:019:27:013
109570599353352,1cyclictest0-21swapper/300:25:023
109570599353351,2cyclictest1207466-21kworker/u16:122:03:023
109570599352351,1cyclictest0-21swapper/320:37:023
109570599352350,1cyclictest1095566-21kworker/3:219:59:023
109570599351350,1cyclictest0-21swapper/321:20:023
109570599351349,1cyclictest1281730-21kworker/3:223:44:013
109570599351349,1cyclictest1147669-21kworker/3:022:10:023
109570599351349,1cyclictest0-21swapper/321:11:023
109570599351349,1cyclictest0-21swapper/300:32:023
109570599351349,1cyclictest0-21swapper/300:06:023
109570599350349,1cyclictest0-21swapper/323:14:013
109570599350348,1cyclictest1281730-21kworker/3:223:01:023
109570599350348,1cyclictest1147669-21kworker/3:022:31:023
109570599350348,1cyclictest1147669-21kworker/3:021:46:023
109570599350348,1cyclictest0-21swapper/300:22:013
109570599350347,2cyclictest1147669-21kworker/3:021:34:023
109570599350347,2cyclictest1147669-21kworker/3:021:34:013
109570599349348,1cyclictest1281730-21kworker/3:223:31:023
109570599349348,1cyclictest0-21swapper/321:15:023
109570599349348,1cyclictest0-21swapper/300:12:023
109570599349347,1cyclictest1147669-21kworker/3:022:38:023
109570599349347,1cyclictest0-21swapper/322:17:023
109570599348347,1cyclictest1147669-21kworker/3:021:40:023
109570599348347,1cyclictest0-21swapper/323:20:023
109570599348346,1cyclictest1359811-21kworker/3:019:23:013
109570599347346,1cyclictest0-21swapper/322:43:023
109570599347345,2cyclictest1281730-21kworker/3:223:07:013
109570599347345,1cyclictest1095566-21kworker/3:220:24:013
109570599347344,2cyclictest1281730-21kworker/3:200:17:013
109570599347344,2cyclictest1281730-21kworker/3:200:17:013
109570599346345,1cyclictest1281730-21kworker/3:223:47:023
109570599346345,1cyclictest1147669-21kworker/3:022:23:023
109570599346345,1cyclictest1147669-21kworker/3:021:55:023
109570599346345,1cyclictest1147669-21kworker/3:021:05:023
109570599346345,1cyclictest0-21swapper/323:36:013
109570599346345,1cyclictest0-21swapper/322:48:023
109570599346344,1cyclictest1281730-21kworker/3:223:16:023
109570599346343,2cyclictest1095566-21kworker/3:220:26:023
109570599345344,1cyclictest0-21swapper/322:07:013
109570599345344,1cyclictest0-21swapper/319:42:023
109570599344343,1cyclictest1147669-21kworker/3:020:55:013
109570599344343,1cyclictest0-21swapper/321:38:023
109570599344343,1cyclictest0-21swapper/319:54:013
109570599344343,1cyclictest0-21swapper/319:10:023
109570599344342,1cyclictest1095566-21kworker/3:219:38:023
109570599340339,1cyclictest1095566-21kworker/3:220:13:023
109570599339338,1cyclictest0-21swapper/320:33:023
109570599339337,1cyclictest1095566-21kworker/3:220:02:023
109570599339337,1cyclictest1095566-21kworker/3:220:02:023
109568199335332,2cyclictest1221803-21rm21:53:020
109568199332331,1cyclictest0-21swapper/021:47:020
109568199330329,1cyclictest1313064-21kworker/0:020:11:020
109568199330328,1cyclictest1319521-21kworker/0:023:45:020
109568199330328,1cyclictest0-21swapper/022:53:020
109568199329327,1cyclictest1319521-21kworker/0:000:21:020
109568199329327,1cyclictest1168696-21diskmemload22:19:020
109568199329327,1cyclictest0-21swapper/023:29:020
109568199329327,1cyclictest0-21swapper/022:11:020
109568199329327,1cyclictest0-21swapper/000:31:020
109568199329327,1cyclictest0-21swapper/000:19:010
109568199329327,1cyclictest0-21swapper/000:19:010
109568199329327,1cyclictest0-21swapper/000:03:020
109568199328327,1cyclictest0-21swapper/022:40:020
109568199328327,1cyclictest0-21swapper/022:24:010
109568199328327,1cyclictest0-21swapper/000:05:020
109568199328326,1cyclictest1150495-21kworker/0:121:13:020
109568199328325,2cyclictest1319521-21kworker/0:023:41:010
109568199326325,1cyclictest0-21swapper/020:57:020
109568199325324,1cyclictest0-21swapper/023:13:010
109568199325324,1cyclictest0-21swapper/022:55:020
109568199325324,1cyclictest0-21swapper/022:55:020
109568199325324,1cyclictest0-21swapper/021:31:020
109568199325324,1cyclictest0-21swapper/021:31:010
109568199325322,2cyclictest1313064-21kworker/0:020:15:020
109568199324323,1cyclictest0-21swapper/023:37:010
109568199324323,1cyclictest0-21swapper/019:39:020
109568199324323,1cyclictest0-21swapper/019:15:010
109568199324323,1cyclictest0-21swapper/000:26:020
109568199324322,1cyclictest1319521-21kworker/0:000:38:020
109568199324322,1cyclictest1313064-21kworker/0:019:45:010
109568199323322,1cyclictest0-21swapper/023:00:010
109568199322321,1cyclictest0-21swapper/023:24:020
109568199322321,1cyclictest0-21swapper/021:17:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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