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2026-03-12 - 10:33
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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 50 highest latencies:
System rackcslot6.osadl.org (updated Thu Mar 12, 2026 00:46:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
44736199382380,1cyclictest417479-21kworker/3:220:43:033
447361993811,1cyclictest0-21swapper/320:47:033
44736199380379,1cyclictest417479-21kworker/3:220:25:023
44736199380378,1cyclictest417479-21kworker/3:221:09:023
44736199380378,1cyclictest417479-21kworker/3:221:04:023
44736199380378,1cyclictest417479-21kworker/3:220:00:033
44736199380378,1cyclictest417479-21kworker/3:219:37:033
447361993800,1cyclictest0-21swapper/320:24:023
44736199379378,1cyclictest417479-21kworker/3:220:39:033
44736199379378,1cyclictest417479-21kworker/3:219:48:023
44736199379378,1cyclictest417479-21kworker/3:219:22:023
44736199379377,1cyclictest417479-21kworker/3:220:52:023
44736199379377,1cyclictest417479-21kworker/3:219:42:023
44736199379377,1cyclictest417479-21kworker/3:219:33:033
44736199378377,1cyclictest417479-21kworker/3:219:52:023
44736199378376,1cyclictest417479-21kworker/3:220:12:023
44736199378376,1cyclictest417479-21kworker/3:220:12:023
44736199377376,1cyclictest417479-21kworker/3:219:16:023
44736199377375,1cyclictest417479-21kworker/3:220:56:023
44734199367365,1cyclictest750215-21kworker/0:200:39:020
44734199366364,2cyclictest750215-21kworker/0:223:32:020
44734199365364,1cyclictest750215-21kworker/0:223:28:020
44734199364363,1cyclictest750215-21kworker/0:223:05:020
44734199364363,1cyclictest750215-21kworker/0:223:05:020
44734199364363,1cyclictest750215-21kworker/0:222:51:020
44734199364363,1cyclictest0-21swapper/022:01:020
44734199364362,1cyclictest0-21swapper/022:10:020
44734199363362,1cyclictest750215-21kworker/0:222:33:030
44734199363362,1cyclictest0-21swapper/021:23:030
44734199363362,1cyclictest0-21swapper/000:01:020
44734199363361,1cyclictest0-21swapper/023:12:030
44734199363361,1cyclictest0-21swapper/021:45:030
44734199363361,1cyclictest0-21swapper/021:43:020
44734199363361,1cyclictest0-21swapper/021:43:020
44734199362361,1cyclictest750215-21kworker/0:223:37:020
44734199362361,1cyclictest0-21swapper/023:56:020
44734199362360,1cyclictest750215-21kworker/0:222:38:020
44734199362360,1cyclictest0-21swapper/023:54:020
44734199362360,1cyclictest0-21swapper/000:12:030
44734199361360,1cyclictest0-21swapper/022:27:020
44734199360359,1cyclictest0-21swapper/023:20:020
44734199360358,1cyclictest0-21swapper/023:49:030
44734199360358,1cyclictest0-21swapper/022:49:020
44734199360358,1cyclictest0-21swapper/019:14:020
44734199360358,1cyclictest0-21swapper/000:31:020
44734199360358,1cyclictest0-21swapper/000:28:020
44734199358357,1cyclictest750215-21kworker/0:221:13:020
44734199358357,1cyclictest750215-21kworker/0:220:45:020
44734199358357,1cyclictest750215-21kworker/0:219:56:030
44734199358357,1cyclictest0-21swapper/021:39:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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