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2026-04-16 - 10:04
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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 50 highest latencies:
System rack1slot3.osadl.org (updated Thu Apr 16, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
417545799150,10cyclictest0-21swapper/321:40:113
417545799130,11cyclictest0-21swapper/320:35:113
4175457991211,0cyclictest0-21swapper/320:20:123
417545799120,11cyclictest0-21swapper/319:20:113
417545799120,11cyclictest0-21swapper/300:00:013
4175457991110,1cyclictest0-21swapper/322:25:103
417545799110,10cyclictest0-21swapper/321:30:183
417545799110,0cyclictest0-21swapper/323:15:123
417545799110,0cyclictest0-21swapper/300:00:103
4175457991010,0cyclictest0-21swapper/323:50:173
4175457991010,0cyclictest0-21swapper/323:05:133
4175457991010,0cyclictest0-21swapper/322:55:143
4175457991010,0cyclictest0-21swapper/321:50:113
4175457991010,0cyclictest0-21swapper/321:35:113
4175457991010,0cyclictest0-21swapper/319:25:183
4175457991010,0cyclictest0-21swapper/300:30:203
417545799100,9cyclictest0-21swapper/323:30:203
417545799100,9cyclictest0-21swapper/322:00:003
417545799100,10cyclictest0-21swapper/322:45:013
417545799100,0cyclictest0-21swapper/322:30:133
417545799100,0cyclictest0-21swapper/322:20:173
417545799100,0cyclictest0-21swapper/322:15:193
417545799100,0cyclictest0-21swapper/320:25:173
417545799100,0cyclictest0-21swapper/319:40:173
417545799100,0cyclictest0-21swapper/319:20:003
41754579999,0cyclictest0-21swapper/322:10:013
41754579999,0cyclictest0-21swapper/320:30:203
41754579999,0cyclictest0-21swapper/319:30:113
41754579999,0cyclictest0-21swapper/300:35:123
41754579999,0cyclictest0-21swapper/300:25:173
41754579999,0cyclictest0-21swapper/300:15:113
41754579999,0cyclictest0-21swapper/300:10:113
41754579998,0cyclictest0-21swapper/322:39:553
41754579998,0cyclictest0-21swapper/321:00:033
41754579990,9cyclictest0-21swapper/320:10:113
41754579990,8cyclictest0-21swapper/321:16:133
41754579990,0cyclictest0-21swapper/323:25:143
41754579988,0cyclictest0-21swapper/323:40:123
41754579988,0cyclictest0-21swapper/323:01:063
41754579988,0cyclictest0-21swapper/322:51:563
41754579988,0cyclictest0-21swapper/322:51:563
41754579988,0cyclictest0-21swapper/322:01:143
41754579988,0cyclictest0-21swapper/321:27:083
41754579988,0cyclictest0-21swapper/321:10:113
41754579988,0cyclictest0-21swapper/320:45:013
41754579988,0cyclictest0-21swapper/319:55:143
41754579980,7cyclictest0-21swapper/320:15:213
41754579977,0cyclictest0-21swapper/323:45:113
41754579977,0cyclictest0-21swapper/323:40:023
41754579977,0cyclictest0-21swapper/320:55:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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