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2026-05-05 - 06:02
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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 100 highest latencies:
System rack4slot1.osadl.org (updated Mon May 04, 2026 19:51:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
490824680,2sleep012-21ksoftirqd/019:12:450
490824680,2sleep012-21ksoftirqd/019:12:450
469524200,2sleep227-21ksoftirqd/219:12:432
469524200,2sleep227-21ksoftirqd/219:12:432
1430521050,2sleep10-21swapper/119:37:381
1430521050,2sleep10-21swapper/119:37:381
1430521050,2sleep10-21swapper/119:37:381
143072970,2sleep20-21swapper/219:37:402
143072970,2sleep20-21swapper/219:37:402
143072970,2sleep20-21swapper/219:37:402
119792690,3chrt0-21swapper/019:32:310
119792690,3chrt0-21swapper/019:32:310
118302590,4sleep30-21swapper/319:32:313
118302590,4sleep30-21swapper/319:32:313
4959994318,10cyclictest16268-21grep19:42:370
4959994318,10cyclictest16268-21grep19:42:370
181732380,1chrt12-21ksoftirqd/019:47:380
181732380,1chrt12-21ksoftirqd/019:47:380
123002310,3sleep211429-21/usr/sbin/munin19:32:372
123002310,3sleep211429-21/usr/sbin/munin19:32:372
42312285,16sleep14283-21ntpq19:12:341
42312285,16sleep14283-21ntpq19:12:341
496199231,4cyclictest131rcu_preempt19:27:402
496199231,4cyclictest131rcu_preempt19:27:402
496099221,18cyclictest17721-21ls19:47:301
496099221,18cyclictest17721-21ls19:47:301
4959992214,5cyclictest13979-21/usr/sbin/munin19:37:330
4959992214,5cyclictest13979-21/usr/sbin/munin19:37:330
4959992214,5cyclictest13979-21/usr/sbin/munin19:37:330
104152220,3sleep10-21swapper/119:27:371
104152220,3sleep10-21swapper/119:27:371
496199213,5cyclictest131rcu_preempt19:17:402
496199213,5cyclictest131rcu_preempt19:17:402
496199211,5cyclictest131rcu_preempt19:42:372
496199211,5cyclictest131rcu_preempt19:42:372
496099211,18cyclictest6584-21find19:17:401
496099211,18cyclictest6584-21find19:17:401
43212215,11sleep30-21swapper/319:12:363
43212215,11sleep30-21swapper/319:12:363
496099206,3cyclictest131rcu_preempt19:42:381
496099206,3cyclictest131rcu_preempt19:42:381
496099201,15cyclictest13291-21sort19:37:231
496099201,15cyclictest13291-21sort19:37:231
495999202,14cyclictest6584-21find19:17:390
495999202,14cyclictest6584-21find19:17:390
496299191,14cyclictest0-21swapper/319:47:303
496299191,14cyclictest0-21swapper/319:47:303
496199192,6cyclictest27-21ksoftirqd/219:51:222
496199192,6cyclictest27-21ksoftirqd/219:51:222
496099191,15cyclictest9478-21latency_hist19:27:231
4959991812,4cyclictest0-21swapper/019:27:300
4959991812,4cyclictest0-21swapper/019:27:300
496199175,10cyclictest9229-21basename19:27:162
496299161,11cyclictest13510-21chrt19:37:283
496299161,11cyclictest13510-21chrt19:37:283
496299161,11cyclictest13510-21chrt19:37:283
495999161,12cyclictest8780-21grep19:22:410
496299152,8cyclictest0-21swapper/319:22:393
496299152,10cyclictest0-21swapper/319:42:263
496299152,10cyclictest0-21swapper/319:42:263
496299151,11cyclictest9609-21chrt19:27:273
496299151,11cyclictest9609-21chrt19:27:273
496299122,7cyclictest0-21swapper/319:17:283
496299122,7cyclictest0-21swapper/319:17:283
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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