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2026-05-04 - 22:23
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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 Mon May 04, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
219342640chrt46650irq/116-QMan10:48:553
219342640chrt46650irq/116-QMan10:48:553
71570rcu_preempt0-21swapper/008:33:070
71570rcu_preempt0-21swapper/008:33:070
71460rcu_preempt24721-21taskset07:07:513
71460rcu_preempt24721-21taskset07:07:513
46050450irq/122-QManpo25969-2110:48:550
46050450irq/122-QManpo25969-2110:48:550
71430rcu_preempt0-21swapper/309:29:243
71430rcu_preempt0-21swapper/309:29:243
71430rcu_preempt0-21swapper/309:29:243
71430rcu_preempt0-21swapper/212:01:052
71430rcu_preempt0-21swapper/212:01:052
71430rcu_preempt0-21swapper/212:01:052
46050430irq/122-QManpo26987-2110:48:550
46050430irq/122-QManpo26987-2110:48:550
46050430irq/122-QManpo26987-2110:48:550
46050430irq/122-QManpo0-210
46050430irq/122-QManpo0-210
46050430irq/122-QManpo0-210
1599430migration/026072-21latency09:08:010
1599430migration/026072-21latency09:08:010
1599430migration/026072-21latency09:08:010
99750420irq/38-i2c-mpc16757-21diskstats09:52:570
99750420irq/38-i2c-mpc16757-21diskstats09:52:570
71410rcu_preempt5738-21kworker/3:212:22:453
71410rcu_preempt5738-21kworker/3:212:22:453
71410rcu_preempt0-21swapper/212:37:492
71410rcu_preempt0-21swapper/212:37:492
71410rcu_preempt0-21swapper/212:37:492
71400rcu_preempt4365-21sh11:29:432
71400rcu_preempt4365-21sh11:29:432
71400rcu_preempt4365-21sh11:29:432
71400rcu_preempt10867-21sendmail-msp11:44:402
71400rcu_preempt10867-21sendmail-msp11:44:402
71400rcu_preempt10867-21sendmail-msp11:44:402
71400rcu_preempt0-21swapper/211:10:582
71400rcu_preempt0-21swapper/211:10:582
71400rcu_preempt0-21swapper/211:10:582
71400rcu_preempt0-21swapper/209:45:502
71400rcu_preempt0-21swapper/209:45:502
71400rcu_preempt0-21swapper/209:45:502
71390rcu_preempt0-21swapper/210:31:312
71390rcu_preempt0-21swapper/210:31:312
71390rcu_preempt0-21swapper/209:53:172
71390rcu_preempt0-21swapper/209:53:172
71390rcu_preempt0-21swapper/209:47:502
71390rcu_preempt0-21swapper/209:47:502
71390rcu_preempt0-21swapper/209:47:502
71390rcu_preempt0-21swapper/209:30:572
71390rcu_preempt0-21swapper/209:30:572
71390rcu_preempt0-21swapper/209:30:572
71390rcu_preempt0-21swapper/207:27:582
71390rcu_preempt0-21swapper/207:27:582
71390rcu_preempt0-21swapper/207:27:582
46050390irq/122-QManpo14136-2110:48:550
46050390irq/122-QManpo14136-2110:48:550
46050390irq/122-QManpo14136-2110:48:550
71380rcu_preempt7355-21runrttasks09:35:131
71380rcu_preempt7355-21runrttasks09:35:131
71380rcu_preempt21840-21apt-get10:03:033
71380rcu_preempt21840-21apt-get10:03:033
71380rcu_preempt21840-21apt-get10:03:033
71380rcu_preempt14566-1kworker/2:1H07:18:072
71380rcu_preempt14566-1kworker/2:1H07:18:072
71380rcu_preempt12763-21diskmemload10:45:092
71380rcu_preempt12763-21diskmemload10:45:092
71380rcu_preempt0-21swapper/312:35:573
71380rcu_preempt0-21swapper/312:35:573
71380rcu_preempt0-21swapper/212:08:192
71380rcu_preempt0-21swapper/212:08:192
71380rcu_preempt0-21swapper/211:05:342
71380rcu_preempt0-21swapper/211:05:342
71380rcu_preempt0-21swapper/209:26:592
71380rcu_preempt0-21swapper/209:26:592
71380rcu_preempt0-21swapper/209:26:592
46250380irq/120-QManpo0-2110:48:551
46250380irq/120-QManpo0-2110:48:551
46050380irq/122-QManpo7332-2110:48:550
46050380irq/122-QManpo7332-2110:48:550
46050380irq/122-QManpo7332-2110:48:550
71370rcu_preempt3877-21sh12:31:542
71370rcu_preempt3877-21sh12:31:542
71370rcu_preempt3877-21sh12:31:542
71370rcu_preempt0-21swapper/210:34:152
71370rcu_preempt0-21swapper/210:34:152
71370rcu_preempt0-21swapper/209:34:512
71370rcu_preempt0-21swapper/209:34:512
71370rcu_preempt0-21swapper/112:02:491
71370rcu_preempt0-21swapper/112:02:491
71370rcu_preempt0-21swapper/112:02:491
71370rcu_preempt0-21swapper/011:23:250
71370rcu_preempt0-21swapper/011:23:250
71370rcu_preempt0-21swapper/011:23:250
46050370irq/122-QManpo32656-2110:48:550
46050370irq/122-QManpo32656-2110:48:550
46050370irq/122-QManpo27723-2110:48:550
46050370irq/122-QManpo27723-2110:48:550
46050370irq/122-QManpo24738-2110:48:550
46050370irq/122-QManpo24738-2110:48:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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