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2026-04-19 - 07:04
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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 Sun Apr 19, 2026 00:46:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
169972699381379,1cyclictest1841361-21kworker/2:222:13:022
169972699381379,1cyclictest0-21swapper/220:11:022
169972699380379,1cyclictest0-21swapper/200:12:022
169972699380378,1cyclictest0-21swapper/200:26:022
1699726993800,379cyclictest0-21swapper/221:03:022
169972699379377,1cyclictest0-21swapper/222:51:022
1699726993790,379cyclictest0-21swapper/223:25:022
1699726993790,1cyclictest0-21swapper/222:19:022
169972699378377,1cyclictest0-21swapper/223:23:022
169972699378376,1cyclictest1742660-21kworker/2:021:11:032
169972699378376,1cyclictest1742660-21kworker/2:021:11:022
169972699378376,1cyclictest0-21swapper/223:37:022
169972699377376,1cyclictest0-21swapper/223:07:022
169972699377376,1cyclictest0-21swapper/222:05:022
169972699377375,1cyclictest0-21swapper/222:49:022
169972699377375,1cyclictest0-21swapper/222:28:022
169972699377375,1cyclictest0-21swapper/221:25:022
169972699377375,1cyclictest0-21swapper/220:05:032
169972699377375,1cyclictest0-21swapper/200:23:022
1699726993770,1cyclictest0-21swapper/200:15:022
169972699376374,1cyclictest1841361-21kworker/2:223:19:022
169972699376374,1cyclictest1742660-21kworker/2:021:15:032
169972699376374,1cyclictest0-21swapper/223:54:022
169972699375374,1cyclictest1841361-21kworker/2:223:03:032
169972699375374,1cyclictest0-21swapper/220:27:022
169972699375373,1cyclictest0-21swapper/220:17:022
169972699375373,1cyclictest0-21swapper/219:25:022
169972699374373,1cyclictest1742660-21kworker/2:021:22:022
169972699374373,1cyclictest0-21swapper/223:11:022
169972699374373,1cyclictest0-21swapper/220:52:022
169972699374372,1cyclictest1702670-21kworker/2:119:57:022
169972699374372,1cyclictest0-21swapper/219:50:022
169972699374371,2cyclictest0-21swapper/219:43:022
169972699374371,2cyclictest0-21swapper/219:43:022
169972699373371,1cyclictest0-21swapper/221:36:022
169972699373371,1cyclictest0-21swapper/220:41:032
169972699373371,1cyclictest0-21swapper/220:37:022
169972699372371,1cyclictest1841361-21kworker/2:222:57:022
169972699372370,1cyclictest0-21swapper/222:20:022
169972699372370,1cyclictest0-21swapper/219:31:032
169972699371370,1cyclictest0-21swapper/220:59:022
169972699371370,1cyclictest0-21swapper/219:19:022
169972699371369,1cyclictest0-21swapper/221:49:032
169972699371369,1cyclictest0-21swapper/219:37:022
169972699370369,1cyclictest0-21swapper/222:02:022
169972699370369,1cyclictest0-21swapper/220:47:022
169972699370368,1cyclictest0-21swapper/222:38:022
169972699370367,2cyclictest1742660-21kworker/2:020:21:022
169972699369368,1cyclictest0-21swapper/221:52:022
169972699369368,1cyclictest0-21swapper/221:40:022
169972699368367,1cyclictest0-21swapper/221:56:022
169972699368367,1cyclictest0-21swapper/220:33:022
169972699368366,1cyclictest0-21swapper/220:02:022
169972699367366,1cyclictest0-21swapper/221:07:022
169972699367366,1cyclictest0-21swapper/200:31:022
169972699367366,1cyclictest0-21swapper/200:04:022
169972699366364,1cyclictest0-21swapper/223:32:022
169972699365363,1cyclictest1841361-21kworker/2:223:43:022
169972699365363,1cyclictest0-21swapper/219:10:022
169972699364363,1cyclictest0-21swapper/221:32:022
169972699363362,1cyclictest0-21swapper/200:36:022
169972699360359,1cyclictest0-21swapper/219:48:022
169972699358357,1cyclictest0-21swapper/219:22:022
169970999357355,1cyclictest1916188-21kworker/0:000:05:020
169970999357355,1cyclictest1802620-21kworker/0:121:45:020
169970999356354,1cyclictest0-21swapper/021:51:020
169970999353350,2cyclictest1916188-21kworker/0:000:19:020
169970999352350,1cyclictest1916188-21kworker/0:023:35:020
169970999352349,2cyclictest1802620-21kworker/0:121:57:020
169970999350348,1cyclictest1802620-21kworker/0:123:05:020
169970999350348,1cyclictest0-21swapper/000:25:020
169970999350347,2cyclictest1802620-21kworker/0:122:10:020
169970999349347,1cyclictest1802620-21kworker/0:122:41:020
169970999349347,1cyclictest1802620-21kworker/0:122:41:020
169970999348347,1cyclictest0-21swapper/022:09:020
169970999348347,1cyclictest0-21swapper/021:37:020
169970999348346,1cyclictest1802620-21kworker/0:122:25:020
169970999348346,1cyclictest1700069-21kworker/0:219:35:020
169970999348346,1cyclictest1700069-21kworker/0:219:30:020
169970999347346,1cyclictest1916188-21kworker/0:023:22:020
169970999347346,1cyclictest1916188-21kworker/0:000:23:020
169970999347346,1cyclictest1802620-21kworker/0:122:36:020
169970999347346,1cyclictest0-21swapper/023:13:020
169970999347346,1cyclictest0-21swapper/022:33:020
169970999347346,1cyclictest0-21swapper/021:25:020
169970999347346,1cyclictest0-21swapper/020:45:020
169970999347345,1cyclictest1916188-21kworker/0:023:54:020
169970999347344,2cyclictest1802620-21kworker/0:122:50:020
169970999346345,1cyclictest0-21swapper/019:49:020
169970999345344,1cyclictest0-21swapper/019:25:020
169970999345343,1cyclictest1700069-21kworker/0:221:09:020
169970999345343,1cyclictest1700069-21kworker/0:219:50:020
169970999345343,1cyclictest0-21swapper/019:43:030
169970999345343,1cyclictest0-21swapper/019:43:020
169970999344342,1cyclictest1700069-21kworker/0:220:31:020
169970999343341,2cyclictest1700069-21kworker/0:219:23:020
169970999343341,1cyclictest0-21swapper/023:49:020
169970999342341,1cyclictest1700069-21kworker/0:219:17:020
169970999342341,1cyclictest0-21swapper/020:29:020
169970999341340,1cyclictest0-21swapper/023:27:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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