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2026-05-20 - 04:06
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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 rack4slot4.osadl.org (updated Wed May 20, 2026 00:44:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1599490migration/015288-21runrttasks19:10:060
1599490migration/015288-21runrttasks19:10:060
71460rcu_preempt0-21swapper/323:29:183
71460rcu_preempt0-21swapper/323:29:183
71460rcu_preempt0-21swapper/323:29:183
46050460irq/122-QManpo0-210
46050460irq/122-QManpo0-210
46050460irq/122-QManpo0-210
100650460irq/38-i2c-mpc31ksoftirqd/000:16:510
100650460irq/38-i2c-mpc31ksoftirqd/000:16:510
100650460irq/38-i2c-mpc31ksoftirqd/000:16:510
71450rcu_preempt0-21swapper/322:45:003
71450rcu_preempt0-21swapper/322:45:003
71450rcu_preempt0-21swapper/322:45:003
71450rcu_preempt0-21swapper/222:08:182
71450rcu_preempt0-21swapper/222:08:182
71450rcu_preempt0-21swapper/222:08:182
71450rcu_preempt0-21swapper/019:32:570
71450rcu_preempt0-21swapper/019:32:570
46050440irq/122-QManpo18470-2110:48:550
46050440irq/122-QManpo18470-2110:48:550
71430rcu_preempt0-21swapper/119:10:531
71430rcu_preempt0-21swapper/119:10:531
71420rcu_preempt14251-21sort19:27:070
71420rcu_preempt14251-21sort19:27:070
71420rcu_preempt14251-21sort19:27:070
71420rcu_preempt0-21swapper/021:12:190
71420rcu_preempt0-21swapper/021:12:190
46650420irq/116-QManpo1126-2110:48:553
46650420irq/116-QManpo1126-2110:48:553
46650420irq/116-QManpo1126-2110:48:553
71410rcu_preempt17232-1kworker/1:2H19:20:171
71410rcu_preempt17232-1kworker/1:2H19:20:171
71410rcu_preempt16453-1kworker/0:0H22:13:240
71410rcu_preempt16453-1kworker/0:0H22:13:240
71410rcu_preempt16453-1kworker/0:0H22:13:240
71410rcu_preempt0-21swapper/000:24:240
71410rcu_preempt0-21swapper/000:24:240
71410rcu_preempt0-21swapper/000:24:240
1565699413cyclictest0-21swapper/222:58:472
1565699413cyclictest0-21swapper/222:58:472
71400rcu_preempt22934-21sh22:23:090
71400rcu_preempt22934-21sh22:23:090
71400rcu_preempt0-21swapper/223:39:002
71400rcu_preempt0-21swapper/223:39:002
71400rcu_preempt0-21swapper/022:49:380
71400rcu_preempt0-21swapper/022:49:380
71400rcu_preempt0-21swapper/022:49:380
71400rcu_preempt0-21swapper/021:58:060
71400rcu_preempt0-21swapper/021:58:060
71400rcu_preempt0-21swapper/021:58:060
46050400irq/122-QManpo0-210
46050400irq/122-QManpo0-210
46050400irq/122-QManpo0-210
2299400migration/215274-21taskset19:09:552
2299400migration/215274-21taskset19:09:552
71390rcu_preempt8221-1kworker/0:1H20:43:250
71390rcu_preempt8221-1kworker/0:1H20:43:250
71390rcu_preempt4272-1kworker/0:3H20:42:590
71390rcu_preempt4272-1kworker/0:3H20:42:590
71390rcu_preempt16583-1kworker/2:1H23:27:502
71390rcu_preempt16583-1kworker/2:1H23:27:502
71390rcu_preempt16583-1kworker/2:1H23:27:502
71390rcu_preempt16583-1kworker/2:1H23:27:502
71390rcu_preempt1435-21spawn19:20:062
71390rcu_preempt1435-21spawn19:20:062
71390rcu_preempt10316-21sh23:58:532
71390rcu_preempt10316-21sh23:58:532
71390rcu_preempt0-21swapper/222:57:442
71390rcu_preempt0-21swapper/222:57:442
71390rcu_preempt0-21swapper/122:54:011
71390rcu_preempt0-21swapper/122:54:011
71390rcu_preempt0-21swapper/022:59:040
71390rcu_preempt0-21swapper/022:59:040
71390rcu_preempt0-21swapper/022:30:510
71390rcu_preempt0-21swapper/022:30:510
71390rcu_preempt0-21swapper/022:30:510
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
71380rcu_preempt2821-1sh22:45:110
71380rcu_preempt2821-1sh22:45:110
71380rcu_preempt2821-1sh22:45:110
71380rcu_preempt26210-21kworker/0:400:29:440
71380rcu_preempt26210-21kworker/0:400:29:440
71380rcu_preempt13049-21grep19:26:232
71380rcu_preempt13049-21grep19:26:232
71380rcu_preempt13049-21grep19:26:232
71380rcu_preempt0-21swapper/323:58:443
71380rcu_preempt0-21swapper/323:58:443
71380rcu_preempt0-21swapper/223:17:082
71380rcu_preempt0-21swapper/223:17:082
71380rcu_preempt0-21swapper/223:17:082
71380rcu_preempt0-21swapper/222:32:012
71380rcu_preempt0-21swapper/222:32:012
71380rcu_preempt0-21swapper/222:32:012
71380rcu_preempt0-21swapper/220:33:432
71380rcu_preempt0-21swapper/220:33:432
71380rcu_preempt0-21swapper/219:30:182
71380rcu_preempt0-21swapper/219:30:182
71380rcu_preempt0-21swapper/100:40:431
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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