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2025-09-17 - 10:34
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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 Wed Sep 17, 2025 00:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2070499572,41cyclictest27062-21ssh23:53:340
2070499572,41cyclictest27062-21ssh23:53:340
2070499521,43cyclictest31152-21ssh23:58:310
2070499521,43cyclictest31152-21ssh23:58:310
20704994836,8cyclictest38750irq/56-eth023:23:320
20704994836,8cyclictest38750irq/56-eth023:23:320
20704994723,20cyclictest12-21ksoftirqd/022:18:340
20704994723,20cyclictest12-21ksoftirqd/022:18:340
20704994628,11cyclictest10714-21rm00:13:370
20704994628,11cyclictest10714-21rm00:13:370
20704994628,11cyclictest10714-21rm00:13:370
2070699433,32cyclictest10140-21ssh23:33:362
2070699433,32cyclictest10140-21ssh23:33:362
2070699422,33cyclictest820-21ssh22:03:352
2070699422,33cyclictest820-21ssh22:03:352
20706994211,26cyclictest27-21ksoftirqd/220:43:332
2070499414,24cyclictest38650irq/55-eth020:03:320
20706994027,8cyclictest27455-21ssh00:38:352
20706994027,8cyclictest27455-21ssh00:38:352
20706994027,8cyclictest27455-21ssh00:38:352
20706994027,5cyclictest27-21ksoftirqd/200:23:342
20706994014,19cyclictest27-21ksoftirqd/222:43:322
20706994014,19cyclictest27-21ksoftirqd/222:43:322
2070499401,32cyclictest5885-21ssh23:28:320
2070499401,32cyclictest5885-21ssh23:28:320
2070499401,10cyclictest18370-21latency_hist23:43:280
2070499401,10cyclictest18370-21latency_hist23:43:280
2070499391,15cyclictest21338-21ssh23:08:300
2070499391,15cyclictest21338-21ssh23:08:300
20704993911,25cyclictest701-21ssh23:22:200
20704993911,25cyclictest701-21ssh23:22:200
2070499390,34cyclictest20757-21sh22:28:350
2070499390,34cyclictest20757-21sh22:28:350
20704993816,16cyclictest0-21swapper/000:03:340
2070499381,12cyclictest15462-21find00:18:460
2070499381,12cyclictest15462-21find00:18:460
2070499381,12cyclictest15462-21find00:18:460
20704993811,22cyclictest12-21ksoftirqd/022:48:370
20704993811,22cyclictest12-21ksoftirqd/022:48:370
2070799377,23cyclictest0-21swapper/323:58:323
2070799377,23cyclictest0-21swapper/323:58:323
2070699372,26cyclictest14426-21ssh00:18:312
2070699372,26cyclictest14426-21ssh00:18:312
2070699372,26cyclictest14426-21ssh00:18:312
2070699371,31cyclictest23008-21ssh21:13:322
2070699371,31cyclictest23008-21ssh21:13:322
2070599375,28cyclictest11862-21ssh21:38:331
2070599375,28cyclictest11862-21ssh21:38:331
2070599375,27cyclictest11810-21ssh21:38:301
2070599372,29cyclictest4882-21ssh22:48:361
2070599372,29cyclictest4882-21ssh22:48:361
2070499372,26cyclictest0-21swapper/000:38:330
2070499372,26cyclictest0-21swapper/000:38:330
2070499372,26cyclictest0-21swapper/000:38:330
20705993626,8cyclictest201rcuc/123:48:301
20705993626,8cyclictest201rcuc/123:48:301
20705993623,9cyclictest131rcu_preempt21:48:331
20705993623,9cyclictest131rcu_preempt21:48:331
20705993623,9cyclictest131rcu_preempt21:48:331
2070599361,28cyclictest956-21ssh22:43:331
2070599361,28cyclictest956-21ssh22:43:331
2070499361,11cyclictest7662-21grep20:18:480
2070499361,11cyclictest7662-21grep20:18:480
2070699353,25cyclictest14488-21ssh23:38:342
2070699353,25cyclictest14488-21ssh23:38:342
2070599354,27cyclictest16237-21ssh21:43:351
2070599354,27cyclictest16237-21ssh21:43:351
2070499354,11cyclictest6371-21ssh21:32:030
2070499354,11cyclictest6371-21ssh21:32:030
2070499351,28cyclictest18821-21diskmemload23:43:320
2070499351,28cyclictest18821-21diskmemload23:43:320
2070499351,10cyclictest29440-21fschecks_time22:38:380
2070499351,10cyclictest29440-21fschecks_time22:38:380
2070499350,10cyclictest18958-21timerandwakeup00:23:480
2070499341,9cyclictest25183-21fschecks_count22:33:350
2070499341,9cyclictest25183-21fschecks_count22:33:350
2070499341,9cyclictest22095-21sh21:49:200
2070499341,9cyclictest22095-21sh21:49:200
2070499341,9cyclictest22095-21sh21:49:200
2070499341,9cyclictest16205-21acpi21:43:330
2070499341,9cyclictest16205-21acpi21:43:330
20704993417,10cyclictest38650irq/55-eth021:23:330
20704993417,10cyclictest38650irq/55-eth021:23:330
2070499341,13cyclictest8396-21sshd21:33:450
2070499341,13cyclictest8396-21sshd21:33:450
2070499341,12cyclictest4550-21latency_hist22:48:200
2070499341,12cyclictest4550-21latency_hist22:48:200
2070499341,12cyclictest10639-21grep20:28:480
20704993411,21cyclictest29709-1kworker/u9:320:03:280
20704993411,21cyclictest29709-1kworker/u9:320:03:280
2070499341,11cyclictest17376-21cut22:23:440
2070499341,11cyclictest17376-21cut22:23:440
2070499341,10cyclictest24882-21find19:28:410
2070499341,10cyclictest24882-21find19:28:410
2070499341,10cyclictest24882-21find19:28:410
2070499341,10cyclictest24656-21/usr/sbin/munin21:53:440
2070499341,10cyclictest20206-21ssh23:07:000
2070499341,10cyclictest20206-21ssh23:07:000
2070499341,10cyclictest11315-21unixbench_multi23:33:490
2070499341,10cyclictest11315-21unixbench_multi23:33:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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