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2025-12-26 - 01:52
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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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack1slot3.osadl.org (updated Fri Dec 26, 2025 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7311772260,0sleep00-21swapper/023:35:130
62277699130,1cyclictest0-21swapper/300:00:133
62277699130,11cyclictest0-21swapper/320:35:143
622776991211,0cyclictest0-21swapper/300:05:223
62277699120,1cyclictest0-21swapper/300:35:153
62277699120,11cyclictest0-21swapper/321:55:123
62277699120,11cyclictest0-21swapper/321:30:123
62277699120,11cyclictest0-21swapper/321:25:013
62277699120,10cyclictest0-21swapper/323:15:123
622776991111,0cyclictest0-21swapper/321:20:123
622776991111,0cyclictest0-21swapper/300:00:003
622776991110,0cyclictest0-21swapper/322:40:113
622776991110,0cyclictest0-21swapper/321:15:153
622776991110,0cyclictest0-21swapper/320:40:123
622776991110,0cyclictest0-21swapper/320:10:153
62277699110,10cyclictest0-21swapper/323:25:133
62277699110,10cyclictest0-21swapper/322:05:203
62277699110,0cyclictest0-21swapper/323:40:183
62277699110,0cyclictest0-21swapper/323:10:153
62277699110,0cyclictest0-21swapper/322:35:123
62277699110,0cyclictest0-21swapper/300:20:183
6209382111,6sleep30-21swapper/319:05:123
62277699109,0cyclictest0-21swapper/323:45:133
62277699109,0cyclictest0-21swapper/323:30:153
62277699109,0cyclictest0-21swapper/322:35:023
62277699109,0cyclictest0-21swapper/320:10:013
62277699108,1cyclictest0-21swapper/300:10:143
62277699107,2cyclictest0-21swapper/320:00:123
622776991010,0cyclictest0-21swapper/320:25:183
622776991010,0cyclictest0-21swapper/320:17:013
62277699100,9cyclictest0-21swapper/322:15:013
62277699100,9cyclictest0-21swapper/319:55:103
62277699100,0cyclictest0-21swapper/321:40:123
62277699100,0cyclictest0-21swapper/321:35:193
62277699100,0cyclictest0-21swapper/321:05:123
62277699100,0cyclictest0-21swapper/319:50:123
62277699100,0cyclictest0-21swapper/319:15:183
6227769999,0cyclictest0-21swapper/323:40:023
6227769999,0cyclictest0-21swapper/323:20:183
6227769999,0cyclictest0-21swapper/322:25:123
6227769999,0cyclictest0-21swapper/321:50:153
6227769999,0cyclictest0-21swapper/320:30:143
6227769999,0cyclictest0-21swapper/300:25:133
6227769990,8cyclictest0-21swapper/323:00:193
6227769988,0cyclictest0-21swapper/323:05:143
6227769988,0cyclictest0-21swapper/322:20:153
6227769988,0cyclictest0-21swapper/319:20:023
6227769980,8cyclictest0-21swapper/322:05:003
6227769980,7cyclictest0-21swapper/320:55:203
6227769980,7cyclictest0-21swapper/319:35:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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