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2026-03-24 - 04:32
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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 792 highest latencies:
System rack4slot1.osadl.org (updated Mon Mar 23, 2026 19:46:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1406121120,1sleep012-21ksoftirqd/019:31:580
60402690,4sleep30-21swapper/319:11:523
60402690,4sleep30-21swapper/319:11:523
159672460,1sleep215964-21find19:36:592
159672460,1sleep215964-21find19:36:592
6742994023,6cyclictest695-21runrttasks19:31:582
66852380,2sleep15122-21ls19:12:061
66852380,2sleep15122-21ls19:12:061
6740993711,11cyclictest10970-21latency_hist19:26:380
6740993711,11cyclictest10970-21latency_hist19:26:380
6740993426,4cyclictest73-21kswapd019:37:570
6740993426,4cyclictest73-21kswapd019:37:570
6740993315,7cyclictest7193-21latency_hist19:16:370
6740993315,7cyclictest7193-21latency_hist19:16:370
56692335,18sleep25755-21irqstats19:11:472
56692335,18sleep25755-21irqstats19:11:472
6740993221,8cyclictest0-21swapper/019:26:470
6740993221,8cyclictest0-21swapper/019:26:470
6740993119,9cyclictest17827-21/usr/sbin/munin19:41:550
6740993119,9cyclictest17827-21/usr/sbin/munin19:41:550
6740993020,8cyclictest7349-21/usr/sbin/munin19:16:460
6740993020,8cyclictest7349-21/usr/sbin/munin19:16:460
6742992213,7cyclictest12131-21find19:26:582
6742992213,7cyclictest12131-21find19:26:582
6741992211,9cyclictest11009-21date19:26:351
6741992211,9cyclictest11009-21date19:26:351
674199211,18cyclictest16077-21ls19:37:001
674199211,18cyclictest16077-21ls19:37:001
674399191,14cyclictest0-21swapper/319:21:583
674399191,14cyclictest0-21swapper/319:21:583
674199191,7cyclictest21-21ksoftirqd/119:30:571
674199191,7cyclictest21-21ksoftirqd/119:30:571
182832191,3sleep10-21swapper/119:42:531
182832191,3sleep10-21swapper/119:42:531
6743991813,3cyclictest113082sleep319:26:473
6743991813,3cyclictest113082sleep319:26:473
674199189,7cyclictest21-21ksoftirqd/119:31:571
674199181,14cyclictest7831-21wc19:16:501
674199181,14cyclictest7831-21wc19:16:501
674399171,14cyclictest0-21swapper/319:16:473
674399171,14cyclictest0-21swapper/319:16:473
674299172,12cyclictest9702-21irqstats19:21:492
674299172,12cyclictest9702-21irqstats19:21:492
674299172,12cyclictest8379-21ls19:16:592
674299172,12cyclictest8379-21ls19:16:592
674299171,13cyclictest18062-21grep19:41:582
674299171,13cyclictest18062-21grep19:41:582
674399159,4cyclictest140552sleep319:31:573
674399151,9cyclictest0-21swapper/319:36:583
674399151,9cyclictest0-21swapper/319:36:583
674399138,3cyclictest170502sleep319:41:463
674399138,3cyclictest170502sleep319:41:463
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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