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2026-09-07 - 15:30
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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 Sep 07, 2026 12:44:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
100650520irq/38-i2c-mpc10655-21ntp_states09:55:180
100650520irq/38-i2c-mpc10655-21ntp_states09:55:180
46050510irq/122-QManpo19071-2110:48:550
46050510irq/122-QManpo19071-2110:48:550
71490rcu_preempt6705-1kworker/2:2H12:10:012
71490rcu_preempt6705-1kworker/2:2H12:10:012
1937999467cyclictest0-21swapper/307:25:153
1937999467cyclictest0-21swapper/307:25:153
1937999465cyclictest0-21swapper/308:30:053
1937999442cyclictest31255-21meminfo11:30:123
1937999442cyclictest31255-21meminfo11:30:123
71410rcu_preempt31896-21taskset11:30:410
71410rcu_preempt31896-21taskset11:30:410
71410rcu_preempt0-21swapper/212:24:572
71410rcu_preempt0-21swapper/212:24:572
71410rcu_preempt0-21swapper/009:39:550
1937999413cyclictest0-21swapper/307:24:523
1937999413cyclictest0-21swapper/307:24:523
71400rcu_preempt0-21swapper/308:05:023
71400rcu_preempt0-21swapper/308:05:023
100650400irq/38-i2c-mpc0-21swapper/009:15:090
100650400irq/38-i2c-mpc0-21swapper/009:15:090
71390rcu_preempt0-21swapper/012:02:510
71390rcu_preempt0-21swapper/012:02:510
71390rcu_preempt0-21swapper/012:02:510
71390rcu_preempt0-21swapper/011:45:500
71390rcu_preempt0-21swapper/011:45:500
103062390chrt7439-1kworker/0:0H10:52:480
103062390chrt7439-1kworker/0:0H10:52:480
103062390chrt7439-1kworker/0:0H10:52:480
71380rcu_preempt24071-21taskset11:17:091
71380rcu_preempt24071-21taskset11:17:091
71380rcu_preempt24071-21taskset11:17:091
71380rcu_preempt14721-21taskset11:58:580
71380rcu_preempt14721-21taskset11:58:580
71380rcu_preempt0-21swapper/210:33:092
71380rcu_preempt0-21swapper/210:33:092
71380rcu_preempt0-21swapper/210:33:092
71380rcu_preempt0-21swapper/011:52:460
71380rcu_preempt0-21swapper/011:52:460
71380rcu_preempt0-21swapper/011:52:460
71380rcu_preempt0-21swapper/009:59:590
71380rcu_preempt0-21swapper/009:59:590
71380rcu_preempt0-21swapper/009:59:590
1599380migration/023915-21taskset11:16:440
1599380migration/023915-21taskset11:16:440
1599380migration/023915-21taskset11:16:440
71370rcu_preempt20313-21cron07:19:511
71370rcu_preempt20313-21cron07:19:511
71370rcu_preempt0-21swapper/211:00:512
71370rcu_preempt0-21swapper/211:00:512
71370rcu_preempt0-21swapper/211:00:512
71370rcu_preempt0-21swapper/210:10:002
71370rcu_preempt0-21swapper/210:10:002
71370rcu_preempt0-21swapper/107:48:121
71370rcu_preempt0-21swapper/011:27:460
71370rcu_preempt0-21swapper/011:27:460
71370rcu_preempt0-21swapper/009:39:550
71370rcu_preempt0-21swapper/009:05:440
71370rcu_preempt0-21swapper/009:05:440
46050370irq/122-QManpo3224-2110:48:550
46050370irq/122-QManpo3224-2110:48:550
46050370irq/122-QManpo3224-2110:48:550
71360rcu_preempt9702-21kworker/0:112:10:570
71360rcu_preempt9702-21kworker/0:112:10:570
71360rcu_preempt6809-21runrttasks10:45:510
71360rcu_preempt6809-21runrttasks10:45:510
71360rcu_preempt0-21swapper/311:06:063
71360rcu_preempt0-21swapper/311:06:063
71360rcu_preempt0-21swapper/211:58:432
71360rcu_preempt0-21swapper/211:58:432
71360rcu_preempt0-21swapper/211:34:542
71360rcu_preempt0-21swapper/211:34:542
71360rcu_preempt0-21swapper/209:34:092
71360rcu_preempt0-21swapper/209:34:092
71360rcu_preempt0-21swapper/110:55:221
71360rcu_preempt0-21swapper/110:55:221
71360rcu_preempt0-21swapper/110:40:171
71360rcu_preempt0-21swapper/110:40:171
71360rcu_preempt0-21swapper/110:40:171
71360rcu_preempt0-21swapper/110:32:131
71360rcu_preempt0-21swapper/110:32:131
71360rcu_preempt0-21swapper/110:32:131
71360rcu_preempt0-21swapper/110:27:041
71360rcu_preempt0-21swapper/110:27:041
71360rcu_preempt0-21swapper/110:14:531
71360rcu_preempt0-21swapper/110:14:531
71360rcu_preempt0-21swapper/107:25:021
71360rcu_preempt0-21swapper/107:25:021
71360rcu_preempt0-21swapper/012:31:390
71360rcu_preempt0-21swapper/012:31:390
71360rcu_preempt0-21swapper/012:25:510
71360rcu_preempt0-21swapper/012:25:510
71360rcu_preempt0-21swapper/012:25:510
71360rcu_preempt0-21swapper/011:40:200
71360rcu_preempt0-21swapper/011:40:200
71360rcu_preempt0-21swapper/011:40:200
71360rcu_preempt0-21swapper/011:10:150
71360rcu_preempt0-21swapper/011:10:150
71360rcu_preempt0-21swapper/010:30:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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