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2025-12-15 - 08:58
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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 Mon Dec 15, 2025 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
417464899140,12cyclictest0-21swapper/323:35:133
4174648991310,1cyclictest0-21swapper/322:30:143
417464899130,8cyclictest0-21swapper/321:00:133
417464899119,1cyclictest0-21swapper/319:25:143
4174648991111,0cyclictest0-21swapper/300:35:163
4174648991111,0cyclictest0-21swapper/300:15:193
417464899110,11cyclictest0-21swapper/321:05:193
417464899110,10cyclictest0-21swapper/323:30:123
417464899110,10cyclictest0-21swapper/322:50:143
417464899110,10cyclictest0-21swapper/322:10:193
417464899110,0cyclictest0-21swapper/323:25:013
417464899110,0cyclictest0-21swapper/321:45:163
417464899110,0cyclictest0-21swapper/321:25:193
417464899109,0cyclictest0-21swapper/320:10:143
4174648991010,0cyclictest0-21swapper/323:40:123
4174648991010,0cyclictest0-21swapper/322:00:133
4174648991010,0cyclictest0-21swapper/320:55:153
4174648991010,0cyclictest0-21swapper/319:10:153
417464899100,9cyclictest0-21swapper/323:10:013
417464899100,9cyclictest0-21swapper/320:15:133
417464899100,9cyclictest0-21swapper/300:00:003
417464899100,0cyclictest0-21swapper/321:30:013
417464899100,0cyclictest0-21swapper/320:45:183
417464899100,0cyclictest0-21swapper/320:29:593
41746489999,0cyclictest0-21swapper/323:51:573
41746489999,0cyclictest0-21swapper/321:59:173
41746489999,0cyclictest0-21swapper/319:30:183
41746489998,0cyclictest0-21swapper/322:55:193
41746489998,0cyclictest0-21swapper/320:20:143
41746489990,8cyclictest0-21swapper/319:20:153
41746489990,8cyclictest0-21swapper/300:25:213
41746489990,8cyclictest0-21swapper/300:10:183
41746489990,0cyclictest0-21swapper/319:46:513
41746489988,0cyclictest0-21swapper/322:15:153
41746489988,0cyclictest0-21swapper/319:15:183
41746489988,0cyclictest0-21swapper/300:05:143
41746489988,0cyclictest0-21swapper/300:00:183
41746489977,0cyclictest0-21swapper/322:46:543
41746489977,0cyclictest0-21swapper/322:25:193
41746489977,0cyclictest0-21swapper/319:50:153
41746489976,1cyclictest0-21swapper/319:35:143
41746489976,0cyclictest0-21swapper/323:25:153
4172815271,4sleep30-21swapper/319:05:093
41746489966,0cyclictest0-21swapper/323:15:173
41746489966,0cyclictest0-21swapper/323:10:143
41746489966,0cyclictest0-21swapper/323:00:143
41746489966,0cyclictest0-21swapper/322:40:153
41746489966,0cyclictest0-21swapper/322:25:013
41746489966,0cyclictest0-21swapper/322:05:293
41746489966,0cyclictest0-21swapper/321:45:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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