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2026-06-02 - 10:16
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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 Jun 02, 2026 00:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71570rcu_preempt31162-21copy23:03:161
71570rcu_preempt31162-21copy23:03:161
71570rcu_preempt31162-21copy23:03:161
71560rcu_preempt0-21swapper/221:38:282
71560rcu_preempt0-21swapper/221:38:282
71560rcu_preempt0-21swapper/221:38:282
71500rcu_preempt0-21swapper/223:30:572
71500rcu_preempt0-21swapper/223:30:572
71500rcu_preempt0-21swapper/223:30:572
71490rcu_preempt0-21swapper/123:08:171
71490rcu_preempt0-21swapper/123:08:171
71490rcu_preempt0-21swapper/123:08:171
71460rcu_preempt0-21swapper/222:34:512
71460rcu_preempt0-21swapper/222:34:512
71460rcu_preempt0-21swapper/222:34:512
71430rcu_preempt0-21swapper/219:58:232
71430rcu_preempt0-21swapper/219:58:232
71430rcu_preempt0-21swapper/122:13:441
71430rcu_preempt0-21swapper/122:13:441
71430rcu_preempt0-21swapper/122:13:441
4304994321cyclictest15910-21users23:33:422
4304994321cyclictest15910-21users23:33:422
4304994321cyclictest15910-21users23:33:422
4304994318cyclictest1959-21runrttasks21:06:462
4304994318cyclictest1959-21runrttasks21:06:462
4304994318cyclictest1959-21runrttasks21:06:462
4304994312cyclictest0-21swapper/200:33:352
4304994312cyclictest0-21swapper/200:33:352
71420rcu_preempt13578-21sh22:28:470
71420rcu_preempt13578-21sh22:28:470
71420rcu_preempt0-21swapper/121:49:401
71420rcu_preempt0-21swapper/121:49:401
71420rcu_preempt0-21swapper/121:49:401
71420rcu_preempt0-21swapper/100:26:421
71420rcu_preempt0-21swapper/100:26:421
71420rcu_preempt0-21swapper/100:26:421
4304994215cyclictest1959-21runrttasks23:53:402
4304994215cyclictest1959-21runrttasks23:53:402
4304994212cyclictest20756-21munin-run22:43:112
4304994212cyclictest20756-21munin-run22:43:112
71410rcu_preempt0-21swapper/122:03:271
71410rcu_preempt0-21swapper/122:03:271
71410rcu_preempt0-21swapper/019:58:210
71410rcu_preempt0-21swapper/019:58:210
71410rcu_preempt0-21swapper/000:25:590
71410rcu_preempt0-21swapper/000:25:590
71410rcu_preempt0-21swapper/000:25:590
4304994118cyclictest14691-21tr19:48:382
4304994118cyclictest14691-21tr19:48:382
4304994118cyclictest0-21swapper/200:13:122
4304994118cyclictest0-21swapper/200:13:122
4304994118cyclictest0-21swapper/200:13:122
4304994117cyclictest12493-21munin-run19:43:092
4304994117cyclictest12493-21munin-run19:43:092
4304994117cyclictest12493-21munin-run19:43:092
4304994113cyclictest535-21users20:53:382
4304994113cyclictest535-21users20:53:382
4304994113cyclictest535-21users20:53:382
71400rcu_preempt18711-21/usr/sbin/munin20:03:350
71400rcu_preempt18711-21/usr/sbin/munin20:03:350
71400rcu_preempt18711-21/usr/sbin/munin20:03:350
71400rcu_preempt0-21swapper/121:26:051
71400rcu_preempt0-21swapper/121:26:051
71400rcu_preempt0-21swapper/121:26:051
71400rcu_preempt0-21swapper/022:54:460
71400rcu_preempt0-21swapper/022:54:460
71400rcu_preempt0-21swapper/022:44:360
71400rcu_preempt0-21swapper/022:44:360
71400rcu_preempt0-21swapper/022:08:480
71400rcu_preempt0-21swapper/022:08:480
71400rcu_preempt0-21swapper/022:08:480
46050400irq/122-QManpo18093-2110:48:550
46050400irq/122-QManpo18093-2110:48:550
46050400irq/122-QManpo18093-2110:48:550
46050400irq/122-QManpo0-210
46050400irq/122-QManpo0-210
4304994020cyclictest21510-21ntp_states20:13:352
4304994020cyclictest21510-21ntp_states20:13:352
4304994017cyclictest9033-21apt-get00:23:232
4304994017cyclictest9033-21apt-get00:23:232
4304994017cyclictest9033-21apt-get00:23:232
4304994017cyclictest5346-21/usr/sbin/munin21:13:432
4304994017cyclictest5346-21/usr/sbin/munin21:13:432
4304994011cyclictest0-21swapper/200:32:522
4304994011cyclictest0-21swapper/200:32:522
71390rcu_preempt14235-1kworker/0:1H21:41:580
71390rcu_preempt14235-1kworker/0:1H21:41:580
71390rcu_preempt14235-1kworker/0:1H21:41:580
71390rcu_preempt10921-1kworker/0:3H23:27:440
71390rcu_preempt10921-1kworker/0:3H23:27:440
71390rcu_preempt10921-1kworker/0:3H23:27:440
71390rcu_preempt0-21swapper/200:16:452
71390rcu_preempt0-21swapper/200:16:452
71390rcu_preempt0-21swapper/200:16:452
71390rcu_preempt0-21swapper/122:18:341
71390rcu_preempt0-21swapper/122:18:341
71390rcu_preempt0-21swapper/122:18:341
71390rcu_preempt0-21swapper/023:41:370
71390rcu_preempt0-21swapper/023:41:370
71390rcu_preempt0-21swapper/023:10:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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