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2026-07-24 - 03:32
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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 rack6slot0.osadl.org (updated Fri Jul 24, 2026 01:01:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4093899242224,11cyclictest0-21swapper/1123:29:503
4093899242224,11cyclictest0-21swapper/1123:29:493
4093899241222,12cyclictest0-21swapper/1100:25:323
4093899241222,12cyclictest0-21swapper/1100:25:323
4093899232217,8cyclictest0-21swapper/1122:20:473
4093899232217,8cyclictest0-21swapper/1122:20:473
4093899229220,6cyclictest0-21swapper/1122:25:193
4093899229220,6cyclictest0-21swapper/1122:25:193
4093899228217,7cyclictest3548-21CPU3
4093899228217,7cyclictest3548-21CPU3
4093899227216,7cyclictest3542-21CPU3
4093899227216,7cyclictest3542-21CPU3
4093899225216,5cyclictest0-21swapper/1119:45:163
4093899225216,5cyclictest0-21swapper/1119:45:153
4093899222212,5cyclictest29366-21systemd-cgroups22:13:043
4093899222212,5cyclictest29366-21systemd-cgroups22:13:043
4093899222208,11cyclictest0-21swapper/1123:20:383
4093899222208,11cyclictest0-21swapper/1123:20:383
4093899222207,11cyclictest0-21swapper/1121:40:123
4093899222207,11cyclictest0-21swapper/1121:40:123
4093899222206,8cyclictest1392-21gdbus21:49:313
4093899222206,8cyclictest1392-21gdbus21:49:313
4093899221215,4cyclictest0-21swapper/1123:34:263
4093899221215,4cyclictest0-21swapper/1123:34:263
4093899221215,4cyclictest0-21swapper/1123:34:263
4093899221212,7cyclictest0-21swapper/1120:40:023
4093899219212,5cyclictest0-21swapper/1123:09:233
4093899219212,5cyclictest0-21swapper/1123:09:233
4093899218208,6cyclictest2456-21CPU3
4093899218208,6cyclictest2456-21CPU3
4093899214204,8cyclictest17736-21bash22:00:033
4093899214204,8cyclictest17736-21bash22:00:023
4093899214204,8cyclictest17736-21bash22:00:023
4093899213197,7cyclictest0-21swapper/1122:49:063
4093899213197,7cyclictest0-21swapper/1122:49:063
4093899212197,7cyclictest0-21swapper/1100:17:023
4093899212197,7cyclictest0-21swapper/1100:17:013
4093899212197,7cyclictest0-21swapper/1100:17:013
4093899210202,6cyclictest0-21swapper/1123:41:053
4093899210202,6cyclictest0-21swapper/1123:41:053
4093899210199,7cyclictest0-21swapper/1100:39:283
4093899210199,7cyclictest0-21swapper/1100:39:283
4093899209201,6cyclictest0-21swapper/1123:45:223
4093899209201,6cyclictest0-21swapper/1123:45:223
4093899209201,5cyclictest0-21swapper/1121:28:093
4093899209201,5cyclictest0-21swapper/1121:28:093
4093899209201,5cyclictest0-21swapper/1121:28:093
4094699208152,49cyclictest0-21swapper/1700:20:019
4094699208152,49cyclictest0-21swapper/1700:20:019
4094699208152,49cyclictest0-21swapper/1700:20:019
4093899208203,4cyclictest0-21swapper/1122:58:303
4093899208203,4cyclictest0-21swapper/1122:58:303
4093899208196,9cyclictest0-21swapper/1122:40:223
4093899208196,9cyclictest0-21swapper/1122:40:223
4093899208195,9cyclictest0-21swapper/1100:09:553
4093899208195,9cyclictest0-21swapper/1100:09:553
4093899208191,13cyclictest31929-21sshd22:09:293
4093899208191,13cyclictest31929-21sshd22:09:293
4093899207194,10cyclictest10061-21systemd23:19:223
4093899207194,10cyclictest10061-21systemd23:19:223
4093899207194,10cyclictest10061-21systemd23:19:223
4093899207188,13cyclictest0-21swapper/1123:12:323
4093899207188,13cyclictest0-21swapper/1123:12:323
4093899207188,13cyclictest0-21swapper/1123:12:323
4093899207160,34cyclictest3544-21CPU3
4093899207160,34cyclictest3544-21CPU3
4093899206198,6cyclictest0-21swapper/1121:14:163
4093899206198,6cyclictest0-21swapper/1121:14:163
4093899206192,6cyclictest0-21swapper/1121:50:293
4093899206192,6cyclictest0-21swapper/1121:50:293
4093899205188,8cyclictest0-21swapper/1100:20:563
4093899205188,8cyclictest0-21swapper/1100:20:563
4094999204151,42cyclictest0-21swapper/2000:28:0213
4094999204151,42cyclictest0-21swapper/2000:28:0213
4093899204198,4cyclictest0-21swapper/1119:20:173
4093899204198,4cyclictest0-21swapper/1119:20:173
4093899204196,6cyclictest0-21swapper/1123:36:573
4093899204196,6cyclictest0-21swapper/1123:36:573
4093899204193,9cyclictest25201-21sshd22:32:483
4093899204193,9cyclictest25201-21sshd22:32:483
4093899204191,11cyclictest1622-21systemd23:58:333
4093899204191,11cyclictest1622-21systemd23:58:333
4093899204191,11cyclictest1622-21systemd23:58:333
4093899204189,8cyclictest0-21swapper/1100:01:283
4093899204189,8cyclictest0-21swapper/1100:01:273
4093899203194,6cyclictest0-21swapper/1119:50:203
4093899203194,6cyclictest0-21swapper/1119:50:203
4093899202195,5cyclictest0-21swapper/1121:35:513
4093899202195,5cyclictest0-21swapper/1121:35:513
4093899202195,3cyclictest3543-21CPU3
4093899202195,3cyclictest3543-21CPU3
4093899202193,7cyclictest0-21swapper/1120:55:033
4093899202193,7cyclictest0-21swapper/1120:55:033
4093899201191,8cyclictest0-21swapper/1100:32:373
4093899201191,8cyclictest0-21swapper/1100:32:363
4093899201191,8cyclictest0-21swapper/1100:32:363
4094199200190,7cyclictest0-21swapper/1322:07:005
4094199200190,7cyclictest0-21swapper/1322:07:005
4093899200192,5cyclictest0-21swapper/1121:30:243
4093899200192,5cyclictest0-21swapper/1121:30:243
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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