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2026-05-05 - 14:25
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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 rackeslot8.osadl.org (updated Tue May 05, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1833411992926,1cyclictest0-21swapper/320:20:013
1833411992725,1cyclictest0-21swapper/322:45:003
1833411992724,1cyclictest0-21swapper/321:30:153
1833411992421,1cyclictest0-21swapper/323:20:013
1833411992320,1cyclictest0-21swapper/300:35:003
183341199221,14cyclictest2281849-21sleep00:19:563
1833411992118,1cyclictest0-21swapper/323:40:013
1833411992118,1cyclictest0-21swapper/321:15:003
1833411992118,1cyclictest0-21swapper/320:50:183
183341199211,15cyclictest1893481-21taskset19:54:543
183341199208,8cyclictest20442782sleep321:42:563
183341199202,14cyclictest2146887-21taskset22:48:103
1833411992017,1cyclictest0-21swapper/323:00:253
1833411992017,1cyclictest0-21swapper/322:35:003
1833411992017,1cyclictest0-21swapper/320:40:013
1833411992017,1cyclictest0-21swapper/300:10:013
183341199201,15cyclictest2249823-21chrt23:53:573
183341199201,14cyclictest2178464-21taskset23:08:113
183341199201,13cyclictest2297652-21taskset00:24:553
183341199197,8cyclictest23138172sleep300:35:113
1833411991916,1cyclictest0-21swapper/323:20:033
1833411991916,1cyclictest0-21swapper/321:20:113
1833411991916,1cyclictest0-21swapper/300:00:003
183341199191,14cyclictest2225325-21taskset23:36:363
183341199191,13cyclictest2266037-21taskset00:04:563
183341199191,13cyclictest2266037-21taskset00:04:553
183341199191,13cyclictest1977168-21chrt21:00:123
1833411991816,1cyclictest0-21swapper/323:10:103
1833411991815,1cyclictest0-21swapper/322:10:203
1833411991815,1cyclictest0-21swapper/322:10:003
1833411991815,1cyclictest0-21swapper/322:00:183
1833411991815,1cyclictest0-21swapper/319:20:153
183341199181,13cyclictest2242090-21taskset23:49:233
183341199181,13cyclictest2215583-21taskset23:30:193
183341199181,13cyclictest2210729-21turbostat23:29:593
183341199181,13cyclictest2161064-21chrt22:55:243
183341199181,13cyclictest2147866-21taskset22:50:103
183341199181,13cyclictest2124887-21taskset22:35:143
183341199181,13cyclictest2098055-21taskset22:15:223
183341199181,13cyclictest2050535-21taskset21:45:193
183341199181,13cyclictest2030939-21taskset21:35:163
183341199181,13cyclictest1906600-21chrt20:05:133
183341199180,9cyclictest19897311sleep21:10:013
21397412176,8sleep22139984-21sed22:45:002
183341199178,6cyclictest20611132sleep321:55:063
183341199172,12cyclictest2280619-21taskset00:11:443
1833411991714,1cyclictest0-21swapper/319:15:023
183341199171,13cyclictest2059376-21taskset21:51:013
183341199171,13cyclictest2019884-21taskset21:25:583
183341199171,13cyclictest1951492-21taskset20:40:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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