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2026-03-25 - 21:55
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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 Wed Mar 25, 2026 12:46:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
130829223490,9sleep442-21ksoftirqd/407:05:264
130918899344342,1cyclictest1595104-21kworker/6:007:15:016
130918899343342,1cyclictest0-21swapper/610:22:026
130918899342341,1cyclictest1373168-21kworker/6:212:09:026
130918899342341,1cyclictest1373168-21kworker/6:211:39:026
130918899342341,1cyclictest1373168-21kworker/6:211:25:026
130918899342341,1cyclictest0-21swapper/611:07:026
130918899342341,1cyclictest0-21swapper/611:00:026
130918899342341,1cyclictest0-21swapper/609:23:026
130918899342341,1cyclictest0-21swapper/608:20:026
130918899342340,1cyclictest1373168-21kworker/6:212:10:026
130918899341340,1cyclictest0-21swapper/612:26:026
130918899341340,1cyclictest0-21swapper/612:00:026
130918899341340,1cyclictest0-21swapper/610:35:026
130918899340339,1cyclictest1373168-21kworker/6:210:42:026
130918899340339,1cyclictest0-21swapper/610:26:016
130918899340339,1cyclictest0-21swapper/609:35:026
130918899340339,1cyclictest0-21swapper/609:30:026
130918899340339,1cyclictest0-21swapper/608:15:026
130918899340337,2cyclictest1373168-21kworker/6:211:24:026
130918899339338,1cyclictest1373168-21kworker/6:212:24:016
130918899339338,1cyclictest1373168-21kworker/6:211:34:026
130918899339338,1cyclictest1373168-21kworker/6:210:58:026
130918899339338,1cyclictest1373168-21kworker/6:209:01:026
130918899339338,1cyclictest1337054-21kworker/6:108:51:026
130918899339338,1cyclictest1337054-21kworker/6:108:51:026
130918899339338,1cyclictest0-21swapper/608:27:026
130918899339337,1cyclictest1337054-21kworker/6:108:03:026
130918899339337,1cyclictest0-21swapper/608:37:026
130918899338337,1cyclictest1373168-21kworker/6:211:47:016
130918899338337,1cyclictest1373168-21kworker/6:211:18:026
130918899338337,1cyclictest1373168-21kworker/6:210:49:026
130918899338337,1cyclictest1373168-21kworker/6:210:33:026
130918899338337,1cyclictest1373168-21kworker/6:210:06:026
130918899338337,1cyclictest1373168-21kworker/6:209:57:026
130918899338337,1cyclictest0-21swapper/610:12:026
130918899338337,1cyclictest0-21swapper/609:08:026
130918899338337,1cyclictest0-21swapper/608:49:026
130918899338337,1cyclictest0-21swapper/608:41:026
130918899338337,1cyclictest0-21swapper/608:12:026
130918899338337,1cyclictest0-21swapper/607:29:026
130918899338337,1cyclictest0-21swapper/607:29:026
130918899338336,1cyclictest1373168-21kworker/6:208:58:026
130918899338336,1cyclictest0-21swapper/607:39:026
130918899337336,1cyclictest1595104-21kworker/6:007:47:026
130918899337336,1cyclictest1373168-21kworker/6:210:51:026
130918899337336,1cyclictest0-21swapper/608:09:026
130918899337336,1cyclictest0-21swapper/607:56:026
130918899337336,1cyclictest0-21swapper/607:31:026
130918899337335,1cyclictest1373168-21kworker/6:210:19:016
130918899337335,1cyclictest1373168-21kworker/6:209:41:026
130918899337335,1cyclictest0-21swapper/609:54:026
130918899337335,1cyclictest0-21swapper/607:43:026
130918899337335,1cyclictest0-21swapper/607:12:026
130918899336335,1cyclictest1595104-21kworker/6:007:53:016
130918899336335,1cyclictest0-21swapper/611:13:026
130918899335334,1cyclictest1373168-21kworker/6:209:29:026
130918899335334,1cyclictest0-21swapper/612:19:026
130918899335334,1cyclictest0-21swapper/611:53:016
130918899335334,1cyclictest0-21swapper/611:53:016
130915599289288,1cyclictest0-21swapper/207:15:022
130915599288286,1cyclictest1319014-21kworker/2:108:20:022
130915599287286,1cyclictest1439354-21kworker/2:011:00:012
130915599287286,1cyclictest1319014-21kworker/2:110:22:022
130915599287286,1cyclictest1319014-21kworker/2:109:23:022
130915599287286,1cyclictest0-21swapper/212:09:012
130915599287286,1cyclictest0-21swapper/211:39:022
130915599287286,1cyclictest0-21swapper/211:25:022
130915599286285,1cyclictest1484480-21kworker/2:112:26:022
130915599286285,1cyclictest1484480-21kworker/2:112:00:012
130915599286285,1cyclictest1439354-21kworker/2:011:07:012
130915599286285,1cyclictest0-21swapper/212:10:022
130915599285284,1cyclictest1319014-21kworker/2:110:35:022
130915599285284,1cyclictest1319014-21kworker/2:110:26:022
130915599285284,1cyclictest1319014-21kworker/2:109:35:022
130915599285284,1cyclictest1319014-21kworker/2:109:30:022
130915599285284,1cyclictest0-21swapper/210:42:022
130915599285283,1cyclictest0-21swapper/210:58:022
130915599284283,1cyclictest1319014-21kworker/2:108:27:022
130915599284283,1cyclictest1319014-21kworker/2:108:15:022
130915599284283,1cyclictest0-21swapper/212:24:022
130915599284283,1cyclictest0-21swapper/211:34:022
130915599284283,1cyclictest0-21swapper/211:24:022
130915599284283,1cyclictest0-21swapper/209:01:022
130915599284283,1cyclictest0-21swapper/208:51:022
130915599284283,1cyclictest0-21swapper/208:51:022
130915599284282,1cyclictest1319014-21kworker/2:108:49:022
130915599283282,1cyclictest1557568-21kworker/2:207:29:022
130915599283282,1cyclictest1557568-21kworker/2:207:29:012
130915599283282,1cyclictest1319014-21kworker/2:110:12:022
130915599283282,1cyclictest1319014-21kworker/2:109:08:022
130915599283282,1cyclictest1319014-21kworker/2:108:41:022
130915599283282,1cyclictest1319014-21kworker/2:108:37:012
130915599283282,1cyclictest0-21swapper/211:47:022
130915599283282,1cyclictest0-21swapper/211:18:022
130915599283282,1cyclictest0-21swapper/210:49:022
130915599283282,1cyclictest0-21swapper/210:33:022
130915599283282,1cyclictest0-21swapper/210:06:022
130915599283282,1cyclictest0-21swapper/209:57:022
130915599283282,1cyclictest0-21swapper/208:03:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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