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2026-03-14 - 15:30
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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 Sat Mar 14, 2026 12:46:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
142701799360359,1cyclictest1394572-21kworker/2:209:05:022
142701799358357,1cyclictest1512082-21kworker/2:109:35:022
142701799358357,1cyclictest0-21swapper/210:15:012
142701799357356,1cyclictest0-21swapper/208:10:012
142701799356355,1cyclictest1512082-21kworker/2:110:14:022
142701799355354,1cyclictest1575262-21kworker/2:211:25:022
142701799354353,1cyclictest1575262-21kworker/2:211:30:022
142701799354353,1cyclictest0-21swapper/212:30:022
142701799354353,1cyclictest0-21swapper/208:28:012
142701799353352,1cyclictest1548185-21kworker/2:011:10:022
142701799353352,1cyclictest1548185-21kworker/2:011:05:022
142701799353352,1cyclictest1512082-21kworker/2:109:40:022
142701799353352,1cyclictest1394572-21kworker/2:208:00:022
142701799353352,1cyclictest0-21swapper/211:20:022
142701799353352,1cyclictest0-21swapper/209:30:012
142701799352351,1cyclictest1575262-21kworker/2:212:20:022
142701799352351,1cyclictest1548185-21kworker/2:010:40:022
142701799352351,1cyclictest1512082-21kworker/2:110:28:012
142701799352351,1cyclictest1512082-21kworker/2:110:23:022
142701799352351,1cyclictest1394572-21kworker/2:208:50:012
142701799352351,1cyclictest0-21swapper/211:45:022
142701799352351,1cyclictest0-21swapper/211:40:022
142701799352351,1cyclictest0-21swapper/207:55:022
142701799352351,1cyclictest0-21swapper/207:55:022
142701799351350,1cyclictest1575262-21kworker/2:211:35:022
142701799351350,1cyclictest1548185-21kworker/2:011:00:022
142701799351350,1cyclictest1394572-21kworker/2:209:26:012
142701799351350,1cyclictest1394572-21kworker/2:209:26:012
142701799351350,1cyclictest1394572-21kworker/2:209:13:022
142701799351350,1cyclictest1394572-21kworker/2:208:15:022
142701799351350,1cyclictest0-21swapper/210:36:022
142701799351350,1cyclictest0-21swapper/207:38:022
142701799351349,1cyclictest1394572-21kworker/2:208:56:022
142701799350349,1cyclictest1575262-21kworker/2:211:18:022
142701799350349,1cyclictest1548185-21kworker/2:010:32:022
142701799350349,1cyclictest1512082-21kworker/2:109:52:022
142701799350349,1cyclictest1394572-21kworker/2:208:47:012
142701799350349,1cyclictest0-21swapper/211:56:022
142701799350349,1cyclictest0-21swapper/210:06:022
142701799350349,1cyclictest0-21swapper/209:18:012
142701799350348,1cyclictest1466960-21kworker/2:008:32:012
142701799349348,1cyclictest1575262-21kworker/2:212:19:022
142701799349348,1cyclictest1512082-21kworker/2:109:56:022
142701799349348,1cyclictest0-21swapper/212:02:022
142701799349348,1cyclictest0-21swapper/210:57:022
142701799349348,1cyclictest0-21swapper/210:57:022
142701799349348,1cyclictest0-21swapper/210:52:022
142701799349348,1cyclictest0-21swapper/210:48:022
142701799349348,1cyclictest0-21swapper/209:49:022
142701799349348,1cyclictest0-21swapper/208:09:022
142701799349348,1cyclictest0-21swapper/207:54:022
142701799349348,1cyclictest0-21swapper/207:34:022
142701799349348,1cyclictest0-21swapper/207:27:022
142701799349347,1cyclictest0-21swapper/207:41:022
142701799348347,1cyclictest1575262-21kworker/2:212:28:022
142701799348347,1cyclictest1575262-21kworker/2:212:28:012
142701799348347,1cyclictest1575262-21kworker/2:211:52:022
142701799348347,1cyclictest0-21swapper/212:09:022
142701799348347,1cyclictest0-21swapper/207:23:012
142701799347346,1cyclictest1394572-21kworker/2:208:37:012
142701799347346,1cyclictest0-21swapper/209:22:012
142701799347346,1cyclictest0-21swapper/209:02:022
142701799347346,1cyclictest0-21swapper/208:21:012
142701799346345,1cyclictest0-21swapper/207:13:012
142703499334332,1cyclictest0-21swapper/409:25:024
142703499334332,1cyclictest0-21swapper/409:25:014
142703499333332,1cyclictest0-21swapper/409:45:024
142703499332331,1cyclictest1433870-21kworker/4:007:45:024
142703499332330,1cyclictest0-21swapper/408:39:024
142703499331330,1cyclictest1433870-21kworker/4:009:00:024
142703499331330,1cyclictest0-21swapper/411:50:024
142703499331330,1cyclictest0-21swapper/409:14:014
142703499331329,1cyclictest1433870-21kworker/4:011:23:014
142703499331329,1cyclictest0-21swapper/410:20:014
142703499330329,1cyclictest0-21swapper/410:45:024
142703499330329,1cyclictest0-21swapper/409:55:014
142703499330328,1cyclictest1433870-21kworker/4:009:37:014
142703499329328,1cyclictest1433870-21kworker/4:012:15:024
142703499329328,1cyclictest0-21swapper/410:50:024
142703499329328,1cyclictest0-21swapper/409:20:024
142703499329328,1cyclictest0-21swapper/407:30:024
142703499329328,1cyclictest0-21swapper/407:17:024
142703499328327,1cyclictest0-21swapper/409:15:024
142703499328326,1cyclictest0-21swapper/412:08:024
142703499327326,1cyclictest0-21swapper/411:16:014
142703499327326,1cyclictest0-21swapper/408:33:024
142703499326325,1cyclictest1433870-21kworker/4:007:26:024
142703499326325,1cyclictest0-21swapper/411:57:014
142703499326325,1cyclictest0-21swapper/411:29:014
142703499326325,1cyclictest0-21swapper/411:03:014
142703499326325,1cyclictest0-21swapper/408:26:024
142703499326325,1cyclictest0-21swapper/408:16:024
142703499326325,1cyclictest0-21swapper/407:43:024
142703499326324,1cyclictest0-21swapper/412:13:024
142703499325324,1cyclictest1433870-21kworker/4:012:23:014
142703499325324,1cyclictest1433870-21kworker/4:010:01:024
142703499325324,1cyclictest0-21swapper/412:29:024
142703499325324,1cyclictest0-21swapper/412:29:024
142703499325324,1cyclictest0-21swapper/409:41:024
142703499325324,1cyclictest0-21swapper/408:41:024
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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