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2026-03-31 - 20:00
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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 Mar 31, 2026 12:44:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71490rcu_preempt0-21swapper/109:02:421
71490rcu_preempt0-21swapper/109:02:421
46050480irq/122-QManpo27016-210
46050480irq/122-QManpo27016-210
147142480chrt46450irq/118-QMan10:48:552
147142480chrt46450irq/118-QMan10:48:552
71460rcu_preempt0-21swapper/112:12:161
71460rcu_preempt0-21swapper/112:12:161
71440rcu_preempt32325-21/usr/sbin/munin07:07:160
71440rcu_preempt32325-21/usr/sbin/munin07:07:160
46050440irq/122-QManpo0-210
46050440irq/122-QManpo0-210
46050440irq/122-QManpo0-210
71430rcu_preempt0-21swapper/110:18:181
71430rcu_preempt0-21swapper/110:18:181
71430rcu_preempt0-21swapper/110:08:481
71430rcu_preempt0-21swapper/110:08:481
71420rcu_preempt0-21swapper/310:42:053
71420rcu_preempt0-21swapper/310:42:053
71410rcu_preempt8547-21runrttasks11:17:391
71410rcu_preempt8547-21runrttasks11:17:391
71410rcu_preempt8547-21runrttasks11:17:391
71410rcu_preempt0-21swapper/109:44:231
71410rcu_preempt0-21swapper/109:44:231
71410rcu_preempt0-21swapper/109:44:231
71400rcu_preempt14573-21copy10:32:061
71400rcu_preempt14573-21copy10:32:061
71400rcu_preempt14573-21copy10:32:061
46050400irq/122-QManpo13580-2110:48:550
46050400irq/122-QManpo13580-2110:48:550
46050390irq/122-QManpo19291-2110:48:550
46050390irq/122-QManpo19291-2110:48:550
46050390irq/122-QManpo19291-2110:48:550
46050390irq/122-QManpo12330-2110:48:550
46050390irq/122-QManpo12330-2110:48:550
317692390sleep031563-1kworker/0:2H10:03:310
317692390sleep031563-1kworker/0:2H10:03:310
317692390sleep031563-1kworker/0:2H10:03:310
71380rcu_preempt3649-21taskset07:18:152
71380rcu_preempt3649-21taskset07:18:152
71380rcu_preempt0-21swapper/311:08:133
71380rcu_preempt0-21swapper/311:08:133
71380rcu_preempt0-21swapper/309:02:073
71380rcu_preempt0-21swapper/309:02:073
71380rcu_preempt0-21swapper/309:02:073
71380rcu_preempt0-21swapper/209:12:222
71380rcu_preempt0-21swapper/209:12:222
71380rcu_preempt0-21swapper/207:17:042
71380rcu_preempt0-21swapper/207:17:042
71380rcu_preempt0-21swapper/009:28:370
71380rcu_preempt0-21swapper/009:28:370
46050380irq/122-QManpo32189-2110:48:550
46050380irq/122-QManpo32189-2110:48:550
46050380irq/122-QManpo26337-2110:48:550
46050380irq/122-QManpo26337-2110:48:550
46050380irq/122-QManpo10352-2110:48:550
46050380irq/122-QManpo10352-2110:48:550
46050380irq/122-QManpo10352-2110:48:550
71370rcu_preempt9663-21apt-get07:42:142
71370rcu_preempt9663-21apt-get07:42:142
71370rcu_preempt3984-21sendmail-msp07:23:413
71370rcu_preempt3984-21sendmail-msp07:23:413
71370rcu_preempt1958-21snmpd09:42:252
71370rcu_preempt1958-21snmpd09:42:252
71370rcu_preempt1958-21snmpd09:42:252
71370rcu_preempt14601-21kworker/0:111:57:140
71370rcu_preempt14601-21kworker/0:111:57:140
71370rcu_preempt14601-21kworker/0:111:57:140
71370rcu_preempt1164-21chrt09:07:233
71370rcu_preempt1164-21chrt09:07:233
71370rcu_preempt0-21swapper/312:34:513
71370rcu_preempt0-21swapper/312:34:513
71370rcu_preempt0-21swapper/312:34:513
71370rcu_preempt0-21swapper/312:02:333
71370rcu_preempt0-21swapper/312:02:333
71370rcu_preempt0-21swapper/312:02:333
71370rcu_preempt0-21swapper/311:57:273
71370rcu_preempt0-21swapper/311:57:273
71370rcu_preempt0-21swapper/311:57:273
71370rcu_preempt0-21swapper/308:50:253
71370rcu_preempt0-21swapper/308:50:253
71370rcu_preempt0-21swapper/308:50:253
71370rcu_preempt0-21swapper/212:08:542
71370rcu_preempt0-21swapper/212:08:542
71370rcu_preempt0-21swapper/211:24:482
71370rcu_preempt0-21swapper/211:24:482
71370rcu_preempt0-21swapper/210:27:582
71370rcu_preempt0-21swapper/210:27:582
71370rcu_preempt0-21swapper/210:27:582
71370rcu_preempt0-21swapper/112:27:271
71370rcu_preempt0-21swapper/112:27:271
71370rcu_preempt0-21swapper/112:27:271
71370rcu_preempt0-21swapper/109:26:281
71370rcu_preempt0-21swapper/109:26:281
71370rcu_preempt0-21swapper/109:26:281
71370rcu_preempt0-21swapper/010:17:340
71370rcu_preempt0-21swapper/010:17:340
46450370irq/118-QManpo0-2110:48:552
46450370irq/118-QManpo0-2110:48:552
46050370irq/122-QManpo9866-2110:48:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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