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2026-05-02 - 02:47
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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 Fri May 01, 2026 19:41:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1235025910,1sleep012-21ksoftirqd/019:12:390
1235025910,1sleep012-21ksoftirqd/019:12:390
1243224250,6sleep10-21swapper/119:12:491
1243224250,6sleep10-21swapper/119:12:491
1794421280,3sleep30-21swapper/319:27:333
196292820,3sleep20-21swapper/219:32:312
196292820,3sleep20-21swapper/219:32:312
12478993911,12cyclictest17360-21cat19:27:262
12478993911,10cyclictest17201-21snmpd19:16:222
12478993911,10cyclictest17201-21snmpd19:16:222
200312370,3sleep30-21swapper/319:32:363
200312370,3sleep30-21swapper/319:32:363
12478993610,11cyclictest15780-21/usr/sbin/munin19:22:282
12478993610,11cyclictest15780-21/usr/sbin/munin19:22:282
114792360,28sleep30-21swapper/319:12:273
114792360,28sleep30-21swapper/319:12:273
12478993511,11cyclictest22569-21latency_hist19:42:142
12478993511,11cyclictest22569-21latency_hist19:42:142
12478993120,8cyclictest73-21kswapd019:17:352
12478993120,8cyclictest73-21kswapd019:17:352
1247799295,7cyclictest21-21ksoftirqd/119:32:341
1247799295,7cyclictest21-21ksoftirqd/119:32:341
12477992920,5cyclictest21-21ksoftirqd/119:17:341
12477992920,5cyclictest21-21ksoftirqd/119:17:341
1247699272,6cyclictest12-21ksoftirqd/019:17:350
1247699272,6cyclictest12-21ksoftirqd/019:17:350
1247799263,6cyclictest21-21ksoftirqd/119:22:331
1247799263,6cyclictest21-21ksoftirqd/119:22:331
12477992510,6cyclictest21-21ksoftirqd/119:41:521
12477992510,6cyclictest21-21ksoftirqd/119:41:521
192232230,3sleep00-21swapper/019:32:250
192232230,3sleep00-21swapper/019:32:250
12479992318,3cyclictest321rcuc/319:26:303
12479992318,3cyclictest321rcuc/319:26:303
1247799232,5cyclictest21-21ksoftirqd/119:27:371
1247699201,9cyclictest22496-21sh19:42:120
1247699201,9cyclictest22496-21sh19:42:120
1247699194,6cyclictest18727-21latency_hist19:32:150
1247699191,3cyclictest131rcu_preempt19:22:330
1247699191,3cyclictest131rcu_preempt19:22:330
12479991812,4cyclictest321rcuc/319:40:493
12479991812,4cyclictest321rcuc/319:40:493
12479991812,4cyclictest321rcuc/319:19:073
12479991812,4cyclictest321rcuc/319:19:073
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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