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2026-03-11 - 05:15
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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 Tue Mar 10, 2026 20:01:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2525223740,1sleep012-21ksoftirqd/019:11:500
2525223740,1sleep012-21ksoftirqd/019:11:500
2469521890,4chrt0-21swapper/119:11:421
2469521890,4chrt0-21swapper/119:11:421
2737421150,2sleep2261rcuc/219:18:402
2737421150,2sleep2261rcuc/219:18:402
2497521140,3sleep20-21swapper/219:11:482
2497521140,3sleep20-21swapper/219:11:482
2531599335,6cyclictest7933-21find19:51:450
25315993220,9cyclictest26904-21find19:16:450
25315993220,9cyclictest26904-21find19:16:450
92412270,10sleep333-21ksoftirqd/319:56:353
92412270,10sleep333-21ksoftirqd/319:56:353
76262250,3sleep30-21swapper/319:51:403
2531599250,3cyclictest0-21swapper/019:46:400
2531799241,4cyclictest0-21swapper/219:56:442
2531799241,4cyclictest0-21swapper/219:56:442
2531599237,10cyclictest12-21ksoftirqd/019:23:260
2531599237,10cyclictest12-21ksoftirqd/019:23:260
2531599234,4cyclictest12-21ksoftirqd/019:58:120
2531599234,4cyclictest12-21ksoftirqd/019:58:120
2531599232,18cyclictest30843-21timerandwakeup19:26:460
2531599232,18cyclictest30843-21timerandwakeup19:26:460
25317992216,3cyclictest27-21ksoftirqd/219:26:462
25317992216,3cyclictest27-21ksoftirqd/219:26:462
25317992214,6cyclictest27-21ksoftirqd/219:41:442
25317992214,6cyclictest27-21ksoftirqd/219:41:442
2531699223,2cyclictest0-21swapper/119:46:451
2531599226,6cyclictest12-21ksoftirqd/019:43:070
2531599226,6cyclictest12-21ksoftirqd/019:43:070
25315992217,4cyclictest151rcuc/019:36:390
25315992217,4cyclictest151rcuc/019:36:390
251542222,14sleep30-21swapper/319:11:503
251542222,14sleep30-21swapper/319:11:503
2531699211,3cyclictest131rcu_preempt19:16:431
2531699211,3cyclictest131rcu_preempt19:16:431
2531699201,2cyclictest131rcu_preempt19:31:441
2531699201,2cyclictest131rcu_preempt19:31:441
2531699201,10cyclictest29013-21unixbench_multi19:21:471
2531699201,10cyclictest29013-21unixbench_multi19:21:471
2531599205,4cyclictest0-21swapper/019:32:370
2531599205,4cyclictest0-21swapper/019:32:370
62372190,3sleep30-21swapper/319:46:463
25316991911,6cyclictest0-21swapper/119:36:411
25316991911,6cyclictest0-21swapper/119:36:411
2531799181,14cyclictest6008-21find19:46:442
2531699181,2cyclictest131rcu_preempt19:51:461
25316991810,6cyclictest0-21swapper/119:56:321
25316991810,6cyclictest0-21swapper/119:56:321
2531899171,13cyclictest0-21swapper/319:26:443
2531899171,13cyclictest0-21swapper/319:26:443
2531899171,12cyclictest0-21swapper/319:21:473
2531899171,12cyclictest0-21swapper/319:21:473
2531799179,6cyclictest7083-21/usr/sbin/munin19:51:332
2531799179,6cyclictest20381-21systemd-journal19:21:322
2531799179,6cyclictest20381-21systemd-journal19:21:322
25317991711,4cyclictest1185-21acpi19:36:342
25317991711,4cyclictest1185-21acpi19:36:342
2531799171,11cyclictest32601-21switchtime19:31:432
2531799171,11cyclictest32601-21switchtime19:31:432
2531699168,6cyclictest4860-21date19:46:251
2531699168,6cyclictest4860-21date19:46:251
2531699161,12cyclictest31017-21head19:26:471
2531699161,12cyclictest31017-21head19:26:471
2531899158,5cyclictest33-21ksoftirqd/319:19:013
2531899158,5cyclictest33-21ksoftirqd/319:19:013
2531899132,9cyclictest0-21swapper/319:36:363
2531899132,9cyclictest0-21swapper/319:36:363
2531899121,9cyclictest4464-21chrt19:42:443
2531899121,9cyclictest4464-21chrt19:42:443
2531899121,6cyclictest0-21swapper/319:31:453
2531899121,6cyclictest0-21swapper/319:31:453
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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