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2026-04-20 - 06:53
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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 Apr 20, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71600rcu_preempt0-21swapper/023:10:580
71600rcu_preempt0-21swapper/023:10:580
71600rcu_preempt0-21swapper/023:10:580
71600rcu_preempt0-21swapper/023:10:580
46250480irq/120-QManpo21267-2110:48:551
46250480irq/120-QManpo21267-2110:48:551
46250480irq/120-QManpo21267-2110:48:551
46050460irq/122-QManpo20015-2110:48:550
46050460irq/122-QManpo20015-2110:48:550
46050460irq/122-QManpo20015-2110:48:550
71440rcu_preempt0-21swapper/021:07:370
71440rcu_preempt0-21swapper/021:07:370
71440rcu_preempt0-21swapper/021:07:370
99750430irq/38-i2c-mpc21827-21ssh22:08:490
99750430irq/38-i2c-mpc21827-21ssh22:08:490
71420rcu_preempt0-21swapper/222:50:252
71420rcu_preempt0-21swapper/222:50:252
71420rcu_preempt0-21swapper/222:50:252
71410rcu_preempt0-21swapper/223:26:542
71410rcu_preempt0-21swapper/223:26:542
71410rcu_preempt0-21swapper/223:26:542
71410rcu_preempt0-21swapper/119:30:541
71410rcu_preempt0-21swapper/119:30:541
46050410irq/122-QManpo14014-2110:48:550
46050410irq/122-QManpo14014-2110:48:550
71390rcu_preempt0-21swapper/222:28:152
71390rcu_preempt0-21swapper/222:28:152
71390rcu_preempt0-21swapper/222:28:152
71390rcu_preempt0-21swapper/222:08:402
71390rcu_preempt0-21swapper/222:08:402
71390rcu_preempt0-21swapper/221:30:122
71390rcu_preempt0-21swapper/221:30:122
71390rcu_preempt0-21swapper/200:26:072
71390rcu_preempt0-21swapper/200:26:072
46050390irq/122-QManpo30578-2110:48:550
46050390irq/122-QManpo30578-2110:48:550
71380rcu_preempt12707-21apt-get22:52:523
71380rcu_preempt12707-21apt-get22:52:523
71380rcu_preempt0-21swapper/300:23:453
71380rcu_preempt0-21swapper/300:23:453
71380rcu_preempt0-21swapper/223:44:102
71380rcu_preempt0-21swapper/223:44:102
71380rcu_preempt0-21swapper/223:44:102
71380rcu_preempt0-21swapper/222:43:542
71380rcu_preempt0-21swapper/222:43:542
71380rcu_preempt0-21swapper/222:43:542
71380rcu_preempt0-21swapper/222:01:222
71380rcu_preempt0-21swapper/222:01:222
71380rcu_preempt0-21swapper/221:25:002
71380rcu_preempt0-21swapper/221:25:002
71380rcu_preempt0-21swapper/221:25:002
71380rcu_preempt0-21swapper/219:27:362
71380rcu_preempt0-21swapper/219:27:362
71380rcu_preempt0-21swapper/200:14:222
71380rcu_preempt0-21swapper/200:14:222
71380rcu_preempt0-21swapper/200:14:222
46050380irq/122-QManpo25052-2110:48:550
46050380irq/122-QManpo25052-2110:48:550
46050380irq/122-QManpo25052-2110:48:550
46050380irq/122-QManpo23666-2110:48:550
46050380irq/122-QManpo23666-2110:48:550
46050380irq/122-QManpo22857-2110:48:550
46050380irq/122-QManpo22857-2110:48:550
46050380irq/122-QManpo13879-2110:48:550
46050380irq/122-QManpo13879-2110:48:550
46050380irq/122-QManpo13879-2110:48:550
46050380irq/122-QManpo11363-2110:48:550
46050380irq/122-QManpo11363-2110:48:550
46050380irq/122-QManpo11363-2110:48:550
99750370irq/38-i2c-mpc0-21swapper/022:01:180
99750370irq/38-i2c-mpc0-21swapper/022:01:180
81332370sleep028359-1kworker/0:0H20:20:160
81332370sleep028359-1kworker/0:0H20:20:160
71370rcu_preempt23596-21sh23:12:022
71370rcu_preempt23596-21sh23:12:022
71370rcu_preempt23596-21sh23:12:022
71370rcu_preempt23596-21sh23:12:022
71370rcu_preempt20204-21ssh23:04:522
71370rcu_preempt20204-21ssh23:04:522
71370rcu_preempt0-21swapper/222:34:202
71370rcu_preempt0-21swapper/222:34:202
71370rcu_preempt0-21swapper/222:03:072
71370rcu_preempt0-21swapper/222:03:072
71370rcu_preempt0-21swapper/221:42:542
71370rcu_preempt0-21swapper/221:42:542
71370rcu_preempt0-21swapper/221:42:542
71370rcu_preempt0-21swapper/200:28:502
71370rcu_preempt0-21swapper/200:28:502
71370rcu_preempt0-21swapper/200:28:502
71370rcu_preempt0-21swapper/200:08:562
71370rcu_preempt0-21swapper/200:08:562
71370rcu_preempt0-21swapper/200:08:562
46050370irq/122-QManpo4544-2110:48:550
46050370irq/122-QManpo4544-2110:48:550
46050370irq/122-QManpo4494-2110:48:550
46050370irq/122-QManpo4494-2110:48:550
46050370irq/122-QManpo31339-2110:48:550
46050370irq/122-QManpo31339-2110:48:550
46050370irq/122-QManpo29494-2110:48:550
46050370irq/122-QManpo29494-2110:48:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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