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2026-09-01 - 04:22
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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 Tue Sep 01, 2026 00:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71650rcu_preempt31311-21copy23:39:481
71650rcu_preempt31311-21copy23:39:481
71650rcu_preempt31311-21copy23:39:481
71620rcu_preempt0-21swapper/022:07:060
71620rcu_preempt0-21swapper/022:07:060
71560rcu_preempt0-21swapper/123:24:151
71560rcu_preempt0-21swapper/123:24:151
71560rcu_preempt0-21swapper/123:24:151
71560rcu_preempt0-21swapper/123:24:151
71540rcu_preempt29891-21ntp_states00:35:100
71540rcu_preempt29891-21ntp_states00:35:100
71540rcu_preempt29891-21ntp_states00:35:100
71450rcu_preempt0-21swapper/219:24:482
71450rcu_preempt0-21swapper/219:24:482
71450rcu_preempt0-21swapper/120:40:051
71450rcu_preempt0-21swapper/120:40:051
46050420irq/122-QManpo12699-210
46050420irq/122-QManpo12699-210
46650410irq/116-QManpo12838-2110:48:553
46650410irq/116-QManpo12838-2110:48:553
71400rcu_preempt12283-21ssh22:09:102
71400rcu_preempt12283-21ssh22:09:102
71390rcu_preempt2028-1kworker/3:2H20:59:573
71390rcu_preempt2028-1kworker/3:2H20:59:573
71390rcu_preempt2028-1kworker/3:2H20:59:573
71390rcu_preempt0-21swapper/323:52:473
71390rcu_preempt0-21swapper/323:52:473
71390rcu_preempt0-21swapper/323:52:473
71390rcu_preempt0-21swapper/300:04:153
71390rcu_preempt0-21swapper/300:04:153
71390rcu_preempt0-21swapper/300:04:153
71390rcu_preempt0-21swapper/119:15:021
71390rcu_preempt0-21swapper/119:15:021
46450390irq/118-QManpo12897-2110:48:552
46450390irq/118-QManpo12897-2110:48:552
46050390irq/122-QManpo1714-2110:48:550
46050390irq/122-QManpo1714-2110:48:550
46050390irq/122-QManpo1714-2110:48:550
77872380sleep05884-1kworker/0:0H22:57:440
77872380sleep05884-1kworker/0:0H22:57:440
71380rcu_preempt0-21swapper/322:33:353
71380rcu_preempt0-21swapper/322:33:353
71380rcu_preempt0-21swapper/319:24:463
71380rcu_preempt0-21swapper/319:24:463
46050380irq/122-QManpo27047-2110:48:550
46050380irq/122-QManpo27047-2110:48:550
46050380irq/122-QManpo23219-2110:48:550
46050380irq/122-QManpo23219-2110:48:550
46050380irq/122-QManpo21538-2110:48:550
46050380irq/122-QManpo21538-2110:48:550
46050380irq/122-QManpo21192-2110:48:550
46050380irq/122-QManpo1916-10
46050380irq/122-QManpo1916-10
46050380irq/122-QManpo14662-2110:48:550
46050380irq/122-QManpo14662-2110:48:550
46050380irq/122-QManpo14662-2110:48:550
46050380irq/122-QManpo10845-2110:48:550
46050380irq/122-QManpo10845-2110:48:550
71370rcu_preempt15882-21memory19:25:073
71370rcu_preempt15882-21memory19:25:073
71370rcu_preempt0-21swapper/221:23:242
71370rcu_preempt0-21swapper/221:23:242
71370rcu_preempt0-21swapper/200:03:022
71370rcu_preempt0-21swapper/200:03:022
71370rcu_preempt0-21swapper/200:03:022
71370rcu_preempt0-21swapper/123:39:541
71370rcu_preempt0-21swapper/123:39:541
71370rcu_preempt0-21swapper/123:39:541
46050370irq/122-QManpo5282-2110:48:550
46050370irq/122-QManpo5282-2110:48:550
46050370irq/122-QManpo5282-2110:48:550
46050370irq/122-QManpo32350-2110:48:550
46050370irq/122-QManpo32350-2110:48:550
46050370irq/122-QManpo14826-10
46050370irq/122-QManpo14826-10
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
106162370sleep03911-1kworker/0:3H21:03:580
106162370sleep03911-1kworker/0:3H21:03:580
106162370sleep03911-1kworker/0:3H21:03:580
71360rcu_preempt3854-21ssh22:50:163
71360rcu_preempt3854-21ssh22:50:163
71360rcu_preempt0-21swapper/221:49:282
71360rcu_preempt0-21swapper/221:49:282
46050360irq/122-QManpo886-2110:48:550
46050360irq/122-QManpo886-2110:48:550
46050360irq/122-QManpo7697-10
46050360irq/122-QManpo7697-10
46050360irq/122-QManpo7697-10
46050360irq/122-QManpo4705-2110:48:550
46050360irq/122-QManpo4705-2110:48:550
46050360irq/122-QManpo3976-2110:48:550
46050360irq/122-QManpo3976-2110:48:550
46050360irq/122-QManpo31800-2110:48:550
46050360irq/122-QManpo31800-2110:48:550
46050360irq/122-QManpo30302-2110:48:550
46050360irq/122-QManpo30302-2110:48:550
46050360irq/122-QManpo30302-2110:48:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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