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2026-03-30 - 13:04
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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 Sun Mar 29, 2026 19:51:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
208722960,1sleep012-21ksoftirqd/019:32:020
208722960,1sleep012-21ksoftirqd/019:32:020
170432960,2sleep30-21swapper/319:22:043
245282650,2sleep024641-21switchtime19:42:040
245282650,2sleep024641-21switchtime19:42:040
130382580,2sleep011891-21ls19:12:050
246982560,1sleep227-21ksoftirqd/219:42:052
246982560,1sleep227-21ksoftirqd/219:42:052
257282550,3sleep00-21swapper/019:46:530
257282550,3sleep00-21swapper/019:46:530
242502470,4sleep30-21swapper/319:41:583
242502470,4sleep30-21swapper/319:41:583
1346499341,10cyclictest23632-21latency_hist19:41:472
1346499341,10cyclictest23632-21latency_hist19:41:472
1346499341,10cyclictest23632-21latency_hist19:41:472
1346299346,14cyclictest16905-21grep19:22:010
122332343,21sleep112285-21fschecks_count19:11:541
1346499338,6cyclictest13603-21seq19:13:572
1346499331,10cyclictest19845-21latency_hist19:31:492
1346499331,10cyclictest19845-21latency_hist19:31:492
1346499331,10cyclictest14815-21proc_pri19:17:012
1346499331,10cyclictest14815-21proc_pri19:17:012
1346499331,10cyclictest14815-21proc_pri19:17:012
13462993217,13cyclictest0-21swapper/019:16:530
13462993217,13cyclictest0-21swapper/019:16:530
13462993217,13cyclictest0-21swapper/019:16:530
1346299317,19cyclictest18957-21sshd19:27:050
1346299317,19cyclictest18957-21sshd19:27:050
1346499301,12cyclictest16320-21cut19:21:532
1346499291,10cyclictest26838-21grep19:47:062
1346499291,10cyclictest26838-21grep19:47:062
1346499291,10cyclictest20126-21grep19:31:512
1346499291,10cyclictest20126-21grep19:31:512
121142271,18sleep30-21swapper/319:11:523
13463992410,11cyclictest18954-21sshd19:27:061
13463992410,11cyclictest18954-21sshd19:27:061
13463992312,8cyclictest25535-21grep19:46:471
13463992312,8cyclictest25535-21grep19:46:471
13462992316,6cyclictest73-21kswapd019:37:030
13462992316,6cyclictest73-21kswapd019:37:030
13462992316,6cyclictest73-21kswapd019:37:030
1346599212,14cyclictest0-21swapper/319:17:043
1346599212,14cyclictest0-21swapper/319:17:043
1346599212,14cyclictest0-21swapper/319:17:043
1346399211,3cyclictest132582snmpd19:17:371
1346399211,3cyclictest132582snmpd19:17:371
1346399211,3cyclictest132582snmpd19:17:371
1346399201,2cyclictest131rcu_preempt19:22:031
13465991914,4cyclictest33-21ksoftirqd/319:47:043
13465991914,4cyclictest33-21ksoftirqd/319:47:043
1346399196,10cyclictest20288-21kernelversion19:31:531
1346399196,10cyclictest20288-21kernelversion19:31:531
13463991912,5cyclictest0-21swapper/119:36:581
13463991912,5cyclictest0-21swapper/119:36:581
13463991912,5cyclictest0-21swapper/119:36:581
1346399171,13cyclictest25828-21tune2fs19:46:541
1346399171,13cyclictest25828-21tune2fs19:46:541
1346599161,11cyclictest0-21swapper/319:26:543
1346599161,11cyclictest0-21swapper/319:26:543
1346599161,10cyclictest0-21swapper/319:31:533
1346599161,10cyclictest0-21swapper/319:31:533
1346599121,8cyclictest23358-21chrt19:40:293
1346599121,8cyclictest23358-21chrt19:40:293
1346599121,8cyclictest23358-21chrt19:40:293
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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