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2026-07-20 - 19:35
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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 Jul 20, 2026 12:46:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
178206899376374,1cyclictest1855075-21kworker/2:210:15:022
178206899376374,1cyclictest0-21swapper/209:40:022
178206899376374,1cyclictest0-21swapper/207:19:022
178205899376375,1cyclictest1876149-21kworker/1:010:18:021
178205899376375,1cyclictest1775568-21kworker/1:207:58:021
178205899376375,1cyclictest0-21swapper/111:44:021
178205899376375,1cyclictest0-21swapper/110:55:021
178205899376374,1cyclictest1909231-21kworker/1:112:13:021
178205899376374,1cyclictest1775568-21kworker/1:208:56:021
178205899375374,1cyclictest1909231-21kworker/1:111:25:021
178205899375374,1cyclictest1775568-21kworker/1:208:20:021
178205899375374,1cyclictest0-21swapper/109:05:021
178205899375374,1cyclictest0-21swapper/108:40:021
178205899375374,1cyclictest0-21swapper/107:17:021
178205899375373,1cyclictest1909231-21kworker/1:112:32:021
178205899375373,1cyclictest1876149-21kworker/1:009:45:021
178205899375373,1cyclictest0-21swapper/110:23:021
178206899374373,1cyclictest0-21swapper/212:01:022
178206899374373,1cyclictest0-21swapper/211:45:022
178206899374373,1cyclictest0-21swapper/211:10:022
178206899374373,1cyclictest0-21swapper/210:50:022
178206899374373,1cyclictest0-21swapper/209:32:022
178206899374372,1cyclictest0-21swapper/207:45:032
178205899374373,1cyclictest1909231-21kworker/1:112:35:021
178205899374373,1cyclictest1909231-21kworker/1:112:35:021
178205899374373,1cyclictest1775568-21kworker/1:209:22:021
178205899374373,1cyclictest1775568-21kworker/1:208:35:021
178205899374373,1cyclictest0-21swapper/110:35:021
178205899374373,1cyclictest0-21swapper/110:05:021
178205899374373,1cyclictest0-21swapper/109:35:021
178205899374373,1cyclictest0-21swapper/107:12:031
178206899373372,1cyclictest0-21swapper/212:25:022
178206899373372,1cyclictest0-21swapper/212:20:022
178206899373372,1cyclictest0-21swapper/208:10:022
178206899373371,1cyclictest0-21swapper/209:25:022
178205899373372,1cyclictest1876149-21kworker/1:010:03:021
178205899373372,1cyclictest0-21swapper/110:41:021
178205899373372,1cyclictest0-21swapper/108:15:021
178205899373372,1cyclictest0-21swapper/107:40:021
178205899373372,1cyclictest0-21swapper/107:22:021
178205899373371,1cyclictest1909231-21kworker/1:112:09:021
178205899373370,2cyclictest1775568-21kworker/1:208:32:021
178206899372371,1cyclictest0-21swapper/211:01:022
178206899372371,1cyclictest0-21swapper/209:06:022
178206899372370,1cyclictest1809956-21kworker/2:108:05:022
178206899372370,1cyclictest0-21swapper/210:32:022
178206899372370,1cyclictest0-21swapper/208:52:022
178205899372371,1cyclictest1775568-21kworker/1:208:00:021
178205899372371,1cyclictest0-21swapper/112:21:021
178205899372371,1cyclictest0-21swapper/111:31:021
178205899372371,1cyclictest0-21swapper/110:53:021
178205899372371,1cyclictest0-21swapper/110:12:021
178205899372370,1cyclictest1909231-21kworker/1:111:52:021
178205899372370,1cyclictest1775568-21kworker/1:208:51:021
178205899372370,1cyclictest1775568-21kworker/1:207:49:021
178205899372370,1cyclictest0-21swapper/112:19:021
178205899372370,1cyclictest0-21swapper/112:03:021
178205899372370,1cyclictest0-21swapper/108:26:021
178206899371370,1cyclictest0-21swapper/211:16:022
178206899371370,1cyclictest0-21swapper/211:16:022
178206899371370,1cyclictest0-21swapper/210:36:022
178205899371370,1cyclictest1909231-21kworker/1:112:28:021
178205899371370,1cyclictest1909231-21kworker/1:111:24:021
178205899371370,1cyclictest1775568-21kworker/1:209:14:021
178205899371370,1cyclictest1775568-21kworker/1:208:07:021
178205899371370,1cyclictest1775568-21kworker/1:207:51:021
178205899371370,1cyclictest1775568-21kworker/1:207:26:021
178205899371370,1cyclictest0-21swapper/109:43:021
178205899371370,1cyclictest0-21swapper/107:39:021
178205899371369,1cyclictest1909231-21kworker/1:111:46:021
178205899371369,1cyclictest1876149-21kworker/1:010:28:021
178205899371369,1cyclictest0-21swapper/110:47:021
178206899370369,1cyclictest0-21swapper/210:00:022
178206899370369,1cyclictest0-21swapper/209:53:022
178206899370369,1cyclictest0-21swapper/209:53:022
178206899370369,1cyclictest0-21swapper/209:04:022
178206899370369,1cyclictest0-21swapper/207:43:032
178206899370368,1cyclictest0-21swapper/212:37:022
178206899370368,1cyclictest0-21swapper/212:37:022
178206899370368,1cyclictest0-21swapper/211:26:022
178205899370369,1cyclictest0-21swapper/111:14:021
178205899370369,1cyclictest0-21swapper/109:52:021
178205899370369,1cyclictest0-21swapper/109:52:021
178206899369368,1cyclictest0-21swapper/208:28:022
178206899369368,1cyclictest0-21swapper/207:54:022
178206899369368,1cyclictest0-21swapper/207:14:022
178206899369367,1cyclictest1855075-21kworker/2:211:40:022
178206899369367,1cyclictest1855075-21kworker/2:210:40:022
178206899369367,1cyclictest1855075-21kworker/2:210:10:022
178206899369367,1cyclictest0-21swapper/209:36:022
178206899369367,1cyclictest0-21swapper/209:21:022
178205899369368,1cyclictest1909231-21kworker/1:111:38:021
178205899369368,1cyclictest1775568-21kworker/1:208:47:021
178205899369368,1cyclictest0-21swapper/111:58:021
178206899368367,1cyclictest1855075-21kworker/2:210:25:022
178206899368367,1cyclictest0-21swapper/208:43:022
178206899368366,1cyclictest2013370-21kworker/2:207:27:022
178206899367366,1cyclictest1855075-21kworker/2:212:10:022
178206899367366,1cyclictest1818980-21kworker/2:008:55:032
178206899367366,1cyclictest0-21swapper/208:49:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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