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2026-08-26 - 21:42
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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 Wed Aug 26, 2026 12:44:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71690rcu_preempt0-21swapper/010:09:500
71690rcu_preempt0-21swapper/010:09:500
71690rcu_preempt0-21swapper/010:09:500
46050490irq/122-QManpo6357-2110:48:550
46050490irq/122-QManpo6357-2110:48:550
71480rcu_preempt0-21swapper/212:40:022
71480rcu_preempt0-21swapper/212:40:022
71480rcu_preempt0-21swapper/212:40:022
71480rcu_preempt0-21swapper/011:24:060
71480rcu_preempt0-21swapper/011:24:060
684099466cyclictest8583-21/usr/sbin/munin12:10:073
684099466cyclictest8583-21/usr/sbin/munin12:10:073
684099462cyclictest5798-21/usr/sbin/munin12:04:563
684099462cyclictest5798-21/usr/sbin/munin12:04:563
684099461cyclictest4413-21sendmail-msp09:05:073
71450rcu_preempt0-21swapper/011:25:140
71450rcu_preempt0-21swapper/011:25:140
71450rcu_preempt0-21swapper/008:04:480
71450rcu_preempt0-21swapper/008:04:480
684099451cyclictest29722-21/usr/sbin/munin11:49:533
684099451cyclictest29722-21/usr/sbin/munin11:49:533
684099451cyclictest22644-21snmpd12:41:073
684099451cyclictest22644-21snmpd12:41:073
684099451cyclictest22644-21snmpd12:41:073
684099451cyclictest22644-21snmpd07:40:003
684099451cyclictest22644-21snmpd07:40:003
684099451cyclictest22609-21/usr/sbin/munin12:34:523
684099451cyclictest22609-21/usr/sbin/munin12:34:523
684099451cyclictest22609-21/usr/sbin/munin12:34:523
71440rcu_preempt0-21swapper/208:14:432
71440rcu_preempt0-21swapper/208:14:432
684099442cyclictest1761-21/usr/sbin/munin08:54:543
684099442cyclictest1761-21/usr/sbin/munin08:54:543
684099441cyclictest8842-21taskset10:14:513
684099441cyclictest8842-21taskset10:14:513
684099441cyclictest1959-21runrttasks07:34:533
71430rcu_preempt0-21swapper/009:43:390
71430rcu_preempt0-21swapper/009:43:390
684099432cyclictest7273-21/usr/sbin/munin11:09:533
684099432cyclictest7273-21/usr/sbin/munin11:09:533
684099432cyclictest21648-21/usr/sbin/munin08:10:083
684099432cyclictest21648-21/usr/sbin/munin08:10:083
684099432cyclictest18120-21users10:30:083
684099432cyclictest18120-21users10:30:083
6840994323cyclictest22569-21ssh12:34:443
6840994323cyclictest13882-21runrttasks11:20:093
6840994323cyclictest13882-21runrttasks11:20:093
684099431cyclictest24435-21/usr/sbin/munin08:20:043
684099431cyclictest24435-21/usr/sbin/munin08:20:043
684099431cyclictest24304-21/usr/sbin/munin09:45:083
684099431cyclictest24304-21/usr/sbin/munin09:45:083
684099431cyclictest24304-21/usr/sbin/munin09:45:083
684099431cyclictest20256-21/usr/sbin/munin08:04:543
684099431cyclictest20256-21/usr/sbin/munin08:04:543
684099431cyclictest19990-21/usr/sbin/munin10:34:563
684099431cyclictest19990-21/usr/sbin/munin10:34:563
684099431cyclictest13079-21/usr/sbin/munin09:24:593
684099431cyclictest13079-21/usr/sbin/munin09:24:593
684099431cyclictest0-21swapper/310:53:193
684099431cyclictest0-21swapper/310:53:193
71420rcu_preempt0-21swapper/112:14:441
71420rcu_preempt0-21swapper/112:14:441
684099423cyclictest14992-21irqstats07:44:583
684099423cyclictest14992-21irqstats07:44:583
684099423cyclictest14850-21meminfo10:25:003
684099423cyclictest14850-21meminfo10:25:003
684099423cyclictest0-21swapper/311:34:493
684099423cyclictest0-21swapper/311:34:493
684099422cyclictest9142-21/usr/sbin/munin07:25:053
684099422cyclictest9142-21/usr/sbin/munin07:25:053
684099422cyclictest27537-21ntp_states11:45:063
684099422cyclictest27537-21ntp_states11:45:063
684099422cyclictest18930-21meminfo11:29:583
684099422cyclictest18930-21meminfo11:29:583
684099422cyclictest17044-21/usr/sbin/munin12:25:063
684099422cyclictest17044-21/usr/sbin/munin12:25:063
684099422cyclictest11559-21/usr/sbin/munin10:20:013
684099422cyclictest11559-21/usr/sbin/munin10:20:013
684099422cyclictest0-21swapper/308:25:063
684099422cyclictest0-21swapper/308:25:063
684099421cyclictest7741-21/usr/sbin/munin07:20:063
684099421cyclictest7741-21/usr/sbin/munin07:20:063
684099421cyclictest5915-21/usr/sbin/munin10:09:573
684099421cyclictest5915-21/usr/sbin/munin10:09:573
684099421cyclictest5915-21/usr/sbin/munin10:09:573
684099421cyclictest23069-21ssh10:39:553
684099421cyclictest23069-21ssh10:39:553
6840994213cyclictest16365-21ssh12:23:233
6840994213cyclictest16365-21ssh12:23:233
46650420irq/116-QManpo6594-2110:48:553
46650420irq/116-QManpo6594-2110:48:553
71410rcu_preempt0-21swapper/309:18:253
71410rcu_preempt0-21swapper/309:18:253
71410rcu_preempt0-21swapper/209:39:442
71410rcu_preempt0-21swapper/209:39:442
71410rcu_preempt0-21swapper/209:39:442
71410rcu_preempt0-21swapper/110:39:561
71410rcu_preempt0-21swapper/110:39:561
684099414cyclictest0-21swapper/311:43:333
684099414cyclictest0-21swapper/311:43:333
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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