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2025-07-17 - 23:59
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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 50 highest latencies:
System rack4slot4.osadl.org (updated Thu Jul 17, 2025 12:53:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71590rcu_preempt0-21swapper/213:07:212
71590rcu_preempt0-21swapper/213:07:212
71590rcu_preempt0-21swapper/213:07:212
71590rcu_preempt0-21swapper/213:07:212
46050510irq/122-QManpo4113-2109:24:360
46050480irq/122-QManpo3354-2109:24:360
46050480irq/122-QManpo3354-2109:24:360
46050480irq/122-QManpo3354-2109:24:360
46650440irq/116-QManpo3560-2109:24:363
46650440irq/116-QManpo3560-2109:24:363
46650440irq/116-QManpo3560-2109:24:363
71420rcu_preempt0-21swapper/113:10:331
71420rcu_preempt0-21swapper/113:10:331
71410rcu_preempt25908-21copy08:15:320
71410rcu_preempt25908-21copy08:15:320
71410rcu_preempt0-21swapper/310:28:113
71410rcu_preempt0-21swapper/310:28:113
71410rcu_preempt0-21swapper/108:20:301
71410rcu_preempt0-21swapper/108:20:301
71410rcu_preempt0-21swapper/108:20:301
71400rcu_preempt3793-21ssh11:15:221
71400rcu_preempt3793-21ssh11:15:221
71400rcu_preempt0-21swapper/012:15:250
71400rcu_preempt0-21swapper/012:15:250
71400rcu_preempt0-21swapper/011:55:270
71400rcu_preempt0-21swapper/011:55:270
71400rcu_preempt0-21swapper/008:48:250
71400rcu_preempt0-21swapper/008:48:250
46250400irq/120-QManpo3595-2109:24:361
1599400migration/015467-21/usr/sbin/munin10:35:350
1599400migration/015467-21/usr/sbin/munin10:35:350
100550400irq/38-i2c-mpc32416-21ntp_states12:05:430
100550400irq/38-i2c-mpc32416-21ntp_states12:05:430
100550400irq/38-i2c-mpc32416-21ntp_states12:05:430
71390rcu_preempt0-21swapper/010:22:160
71390rcu_preempt0-21swapper/010:22:160
71390rcu_preempt0-21swapper/008:35:420
71390rcu_preempt0-21swapper/008:35:420
71380rcu_preempt20975-21ssh11:45:360
71380rcu_preempt20975-21ssh11:45:360
71380rcu_preempt20975-21ssh11:45:360
71380rcu_preempt0-21swapper/110:20:251
71380rcu_preempt0-21swapper/110:20:251
71380rcu_preempt0-21swapper/010:30:530
71380rcu_preempt0-21swapper/010:30:530
71370rcu_preempt0-21swapper/312:52:273
71370rcu_preempt0-21swapper/312:52:273
71370rcu_preempt0-21swapper/210:40:192
71370rcu_preempt0-21swapper/210:40:192
71370rcu_preempt0-21swapper/013:03:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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