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2026-06-17 - 11:29
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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 Wed Jun 17, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4030226993630,362cyclictest40831942sleep321:24:563
4030226991312,0cyclictest0-21swapper/321:45:113
403022699130,12cyclictest0-21swapper/323:35:113
403022699130,11cyclictest0-21swapper/319:55:133
403022699120,8cyclictest0-21swapper/323:20:113
403022699120,11cyclictest0-21swapper/323:05:133
403022699120,11cyclictest0-21swapper/320:55:123
403022699120,11cyclictest0-21swapper/320:35:503
403022699120,11cyclictest0-21swapper/320:15:013
403022699120,11cyclictest0-21swapper/319:10:133
4030226991110,0cyclictest0-21swapper/323:15:123
4030226991110,0cyclictest0-21swapper/322:30:143
403022699110,10cyclictest0-21swapper/323:30:183
403022699110,0cyclictest0-21swapper/322:25:183
403022699110,0cyclictest0-21swapper/322:20:133
403022699110,0cyclictest0-21swapper/321:04:563
403022699110,0cyclictest0-21swapper/320:20:123
403022699109,0cyclictest0-21swapper/322:55:123
403022699109,0cyclictest0-21swapper/319:30:203
403022699108,1cyclictest0-21swapper/320:25:113
4030226991010,0cyclictest0-21swapper/322:35:203
4030226991010,0cyclictest0-21swapper/321:55:013
4030226991010,0cyclictest0-21swapper/320:50:013
4030226991010,0cyclictest0-21swapper/320:30:193
4030226991010,0cyclictest0-21swapper/300:35:113
4030226991010,0cyclictest0-21swapper/300:21:113
4030226991010,0cyclictest0-21swapper/300:15:023
403022699100,9cyclictest0-21swapper/319:25:193
403022699100,0cyclictest0-21swapper/323:40:183
403022699100,0cyclictest0-21swapper/323:05:013
403022699100,0cyclictest0-21swapper/300:30:023
40285222103,4sleep30-21swapper/319:05:123
40302269999,0cyclictest0-21swapper/319:25:003
40302269998,0cyclictest0-21swapper/322:10:103
40302269997,1cyclictest0-21swapper/321:55:133
40302269990,0cyclictest0-21swapper/300:25:193
40302269988,0cyclictest0-21swapper/323:45:123
40302269988,0cyclictest0-21swapper/322:45:133
40302269988,0cyclictest0-21swapper/322:40:193
40302269988,0cyclictest0-21swapper/322:05:243
40302269988,0cyclictest0-21swapper/321:15:143
40302269988,0cyclictest0-21swapper/319:50:123
40302269987,0cyclictest0-21swapper/323:55:163
40302269987,0cyclictest0-21swapper/322:00:123
40302269977,0cyclictest0-21swapper/321:35:123
40302269977,0cyclictest0-21swapper/321:30:483
40302269977,0cyclictest0-21swapper/321:25:133
40302269976,0cyclictest0-21swapper/320:00:163
40302269970,6cyclictest0-21swapper/323:25:023
40302269970,6cyclictest0-21swapper/320:10:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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