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2026-04-07 - 06:54
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 highest latencies:
System rack4slot1.osadl.org (updated Mon Apr 06, 2026 19:56:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
144212950,1sleep012-21ksoftirqd/019:37:130
144212950,1sleep012-21ksoftirqd/019:37:130
51522920,5sleep00-21swapper/019:12:160
46272530,6chrt21-21ksoftirqd/119:12:081
127202460,3sleep30-21swapper/319:32:133
127202460,3sleep30-21swapper/319:32:133
5210993922,9cyclictest12504-21find19:32:121
5210993922,9cyclictest12504-21find19:32:121
521199357,8cyclictest10649-21find19:27:112
521199357,8cyclictest10649-21find19:27:112
47882357,20sleep30-21swapper/319:12:113
521199337,10cyclictest13006-21chrt19:34:252
521199337,10cyclictest13006-21chrt19:34:252
521099325,10cyclictest20766-21chrt19:56:031
521099325,10cyclictest20766-21chrt19:56:031
521199296,11cyclictest14764-21taskset19:37:582
521199296,11cyclictest14764-21taskset19:37:582
521199296,10cyclictest19061-21cat19:51:532
521199276,6cyclictest8468-21awk19:22:072
521199276,6cyclictest8468-21awk19:22:072
521199270,11cyclictest5363-21runrttasks19:14:122
5210992716,9cyclictest695-21runrttasks19:27:121
5210992716,9cyclictest695-21runrttasks19:27:121
5211992614,10cyclictest16353-21find19:42:112
521099264,11cyclictest7463-21taskset19:21:161
521099264,11cyclictest7463-21taskset19:21:161
521099264,11cyclictest7463-21taskset19:21:161
5210992618,6cyclictest0-21swapper/119:47:101
5210992611,13cyclictest9637-21latency_hist19:26:571
5210992611,13cyclictest9637-21latency_hist19:26:571
521099261,10cyclictest168192sleep119:44:211
5210992610,12cyclictest21-21ksoftirqd/119:37:121
5210992610,12cyclictest21-21ksoftirqd/119:37:121
521199254,8cyclictest695-21runrttasks19:56:062
521199254,8cyclictest695-21runrttasks19:56:062
5211992412,10cyclictest6831-21find19:17:102
5211992412,10cyclictest6831-21find19:17:102
5211992412,10cyclictest6831-21find19:17:102
5209992310,10cyclictest10490-21grep19:27:090
5209992310,10cyclictest10490-21grep19:27:090
520999211,9cyclictest5981-21fschecks_count19:17:000
520999211,9cyclictest5981-21fschecks_count19:17:000
520999211,9cyclictest5981-21fschecks_count19:17:000
93712191,3sleep30-21swapper/319:26:103
93712191,3sleep30-21swapper/319:26:103
521299191,13cyclictest0-21swapper/319:42:113
520999194,13cyclictest17426-21fschecks_count19:47:000
521299181,12cyclictest0-21swapper/319:17:013
521299181,12cyclictest0-21swapper/319:17:013
521299181,12cyclictest0-21swapper/319:17:013
520999181,15cyclictest17953-21systemd-journal19:36:490
520999181,15cyclictest17953-21systemd-journal19:36:490
520999181,14cyclictest9589-21cat19:26:550
520999181,14cyclictest9589-21cat19:26:550
520999176,9cyclictest0-21swapper/019:51:590
520999176,9cyclictest0-21swapper/019:51:590
520999174,10cyclictest16484-21unixbench-2d19:42:120
521299163,8cyclictest0-21swapper/319:52:013
521299163,8cyclictest0-21swapper/319:52:013
521299153,9cyclictest0-21swapper/319:27:003
521299153,9cyclictest0-21swapper/319:27:003
521299141,10cyclictest15292-21taskset19:41:543
521299141,10cyclictest15292-21taskset19:41:543
521299138,3cyclictest185972chrt19:47:493
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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