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2026-03-21 - 10:15
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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 376 highest latencies:
System rack4slot1.osadl.org (updated Fri Mar 20, 2026 19:41:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1196621640,4sleep10-21swapper/119:12:141
1196621640,4sleep10-21swapper/119:12:141
142712750,2sleep20-21swapper/219:21:332
142712750,2sleep20-21swapper/219:21:332
116412670,2sleep210469-21ls19:11:562
116412670,2sleep210469-21ls19:11:562
119012440,2sleep010469-21ls19:11:580
119012440,2sleep010469-21ls19:11:580
1197199344,7cyclictest27-21ksoftirqd/219:36:442
1197199344,7cyclictest27-21ksoftirqd/219:36:442
11969992712,5cyclictest12-21ksoftirqd/019:26:540
11969992712,5cyclictest12-21ksoftirqd/019:26:540
131112250,3sleep30-21swapper/319:16:463
131112250,3sleep30-21swapper/319:16:463
1197199253,5cyclictest27-21ksoftirqd/219:26:542
1197199253,5cyclictest27-21ksoftirqd/219:26:542
1197199246,6cyclictest27-21ksoftirqd/219:21:542
1197199246,6cyclictest27-21ksoftirqd/219:21:542
1197199242,3cyclictest131rcu_preempt19:31:432
1197199242,3cyclictest131rcu_preempt19:31:432
106662241,16sleep30-21swapper/319:11:403
106662241,16sleep30-21swapper/319:11:403
1196999224,4cyclictest131rcu_preempt19:31:540
1196999224,4cyclictest131rcu_preempt19:31:540
1196999221,16cyclictest14280-21latency_hist19:21:410
1196999221,16cyclictest14280-21latency_hist19:21:410
1197099211,10cyclictest12862-21fschecks_time19:16:441
1197099211,10cyclictest12862-21fschecks_time19:16:441
1197099210,15cyclictest16745-21ls19:26:451
1197099210,15cyclictest16745-21ls19:26:451
1197099201,13cyclictest15470-21ls19:21:521
1197099201,13cyclictest15470-21ls19:21:521
1196999201,9cyclictest15466-21grep19:21:520
1196999201,9cyclictest15466-21grep19:21:520
1197299191,11cyclictest0-21swapper/319:26:423
1197299191,11cyclictest0-21swapper/319:26:423
1196999192,2cyclictest131rcu_preempt19:36:530
1196999192,2cyclictest131rcu_preempt19:36:530
1197099175,10cyclictest21199-21sed19:36:531
1197099175,10cyclictest21199-21sed19:36:531
11970991711,4cyclictest0-21swapper/119:31:481
11970991711,4cyclictest0-21swapper/119:31:481
1197299121,9cyclictest21780-21chrt19:40:013
1197299121,9cyclictest21780-21chrt19:40:013
1197299121,9cyclictest19930-21chrt19:35:473
1197299121,9cyclictest19930-21chrt19:35:473
1197299111,7cyclictest0-21swapper/319:21:433
1197299111,7cyclictest0-21swapper/319:21:433
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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