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2025-12-02 - 20:42
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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 Dec 02, 2025 12:53:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71700rcu_preempt0-21swapper/210:36:162
71700rcu_preempt0-21swapper/210:36:162
272312490chrt46250irq/120-QMan09:24:361
272312490chrt46250irq/120-QMan09:24:361
272312490chrt46250irq/120-QMan09:24:361
46050440irq/122-QManpo28245-2109:24:360
46050440irq/122-QManpo28245-2109:24:360
46050440irq/122-QManpo28245-2109:24:360
100550430irq/38-i2c-mpc30825-21chrt08:48:050
100550430irq/38-i2c-mpc30825-21chrt08:48:050
100550430irq/38-i2c-mpc30825-21chrt08:48:050
71420rcu_preempt0-21swapper/012:14:020
71420rcu_preempt0-21swapper/012:14:020
71420rcu_preempt0-21swapper/012:14:020
71410rcu_preempt8626-21runrttasks10:40:341
71410rcu_preempt8626-21runrttasks10:40:341
46050410irq/122-QManpo26770-2109:24:360
46050410irq/122-QManpo26770-2109:24:360
46050410irq/122-QManpo26770-2109:24:360
46050400irq/122-QManpo0-210
46050400irq/122-QManpo0-210
71390rcu_preempt26298-21apt-get08:33:013
71390rcu_preempt26298-21apt-get08:33:013
71390rcu_preempt26298-21apt-get08:33:013
71390rcu_preempt0-21swapper/213:04:102
71390rcu_preempt0-21swapper/213:04:102
71390rcu_preempt0-21swapper/111:08:111
71390rcu_preempt0-21swapper/111:08:111
88172380sleep04359-1kworker/0:1H10:36:170
88172380sleep04359-1kworker/0:1H10:36:170
71380rcu_preempt0-21swapper/312:23:453
71380rcu_preempt0-21swapper/312:23:453
46050380irq/122-QManpo9483-2109:24:360
46050380irq/122-QManpo9483-2109:24:360
46050380irq/122-QManpo25182-2109:24:360
46050380irq/122-QManpo25182-2109:24:360
46050380irq/122-QManpo25182-2109:24:360
160542380sleep012124-1kworker/0:0H09:45:140
160542380sleep012124-1kworker/0:0H09:45:140
160542380sleep012124-1kworker/0:0H09:45:140
71370rcu_preempt574-21kswapd012:22:571
71370rcu_preempt574-21kswapd012:22:571
71370rcu_preempt24555-1kworker/3:0H11:08:073
71370rcu_preempt24555-1kworker/3:0H11:08:073
71370rcu_preempt1537-21taskset11:25:261
71370rcu_preempt1537-21taskset11:25:261
71370rcu_preempt1537-21taskset11:25:261
46050370irq/122-QManpo837-2109:24:360
46050370irq/122-QManpo837-2109:24:360
46050370irq/122-QManpo837-2109:24:360
46050370irq/122-QManpo29160-2109:24:360
46050370irq/122-QManpo29160-2109:24:360
46050370irq/122-QManpo22488-2109:24:360
46050370irq/122-QManpo22488-2109:24:360
46050370irq/122-QManpo1620-10
46050370irq/122-QManpo1620-10
46050370irq/122-QManpo13898-2109:24:360
46050370irq/122-QManpo13898-2109:24:360
71360rcu_preempt0-21swapper/310:23:163
71360rcu_preempt0-21swapper/310:23:163
71360rcu_preempt0-21swapper/310:23:163
71360rcu_preempt0-21swapper/112:49:451
71360rcu_preempt0-21swapper/112:49:451
71360rcu_preempt0-21swapper/112:36:181
71360rcu_preempt0-21swapper/112:36:181
71360rcu_preempt0-21swapper/112:36:181
71360rcu_preempt0-21swapper/111:32:491
71360rcu_preempt0-21swapper/111:32:491
71360rcu_preempt0-21swapper/110:58:111
71360rcu_preempt0-21swapper/110:58:111
71360rcu_preempt0-21swapper/110:16:201
71360rcu_preempt0-21swapper/110:16:201
71360rcu_preempt0-21swapper/110:16:201
71360rcu_preempt0-21swapper/109:23:071
71360rcu_preempt0-21swapper/109:23:071
71360rcu_preempt0-21swapper/108:12:511
71360rcu_preempt0-21swapper/012:49:000
71360rcu_preempt0-21swapper/012:49:000
71360rcu_preempt0-21swapper/012:38:480
71360rcu_preempt0-21swapper/012:38:480
46050360irq/122-QManpo6736-2109:24:360
46050360irq/122-QManpo6736-2109:24:360
46050360irq/122-QManpo29301-2109:24:360
46050360irq/122-QManpo29301-2109:24:360
174842360sleep06803-1kworker/0:1H12:59:500
174842360sleep06803-1kworker/0:1H12:59:500
174842360sleep06803-1kworker/0:1H12:59:500
1599360migration/014403-21sh11:50:450
1599360migration/014403-21sh11:50:450
1599360migration/014403-21sh11:50:450
71350rcu_preempt8723-21ssh12:43:142
71350rcu_preempt8723-21ssh12:43:142
71350rcu_preempt22931-21apt-get12:08:000
71350rcu_preempt22931-21apt-get12:08:000
71350rcu_preempt15931-1kworker/1:0H07:55:051
71350rcu_preempt15931-1kworker/1:0H07:55:051
71350rcu_preempt0-21swapper/313:08:553
71350rcu_preempt0-21swapper/313:08:553
71350rcu_preempt0-21swapper/312:49:053
71350rcu_preempt0-21swapper/312:49:053
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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