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2026-04-26 - 02:38
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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 Sun Apr 26, 2026 00:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71670rcu_preempt0-21swapper/121:39:121
71670rcu_preempt0-21swapper/121:39:121
71670rcu_preempt0-21swapper/121:39:121
71670rcu_preempt0-21swapper/000:16:450
71670rcu_preempt0-21swapper/000:16:450
71670rcu_preempt0-21swapper/000:16:450
71670rcu_preempt0-21swapper/000:05:400
71670rcu_preempt0-21swapper/000:05:400
71670rcu_preempt0-21swapper/000:05:400
71590rcu_preempt0-21swapper/100:15:211
71590rcu_preempt0-21swapper/100:15:211
71590rcu_preempt0-21swapper/100:15:211
71480rcu_preempt0-21swapper/000:33:470
71480rcu_preempt0-21swapper/000:33:470
71480rcu_preempt0-21swapper/000:33:470
71480rcu_preempt0-21swapper/000:33:470
71470rcu_preempt0-21swapper/222:52:442
71470rcu_preempt0-21swapper/222:52:442
71470rcu_preempt0-21swapper/121:42:471
71470rcu_preempt0-21swapper/121:42:471
71470rcu_preempt0-21swapper/121:42:471
71460rcu_preempt0-21swapper/100:33:381
71460rcu_preempt0-21swapper/100:33:381
71460rcu_preempt0-21swapper/100:33:381
71460rcu_preempt0-21swapper/100:33:381
71450rcu_preempt0-21swapper/200:40:072
71450rcu_preempt0-21swapper/200:40:072
71450rcu_preempt0-21swapper/200:40:072
46050450irq/122-QManpo20200-2110:48:550
46050450irq/122-QManpo20200-2110:48:550
71440rcu_preempt0-21swapper/100:02:441
71440rcu_preempt0-21swapper/100:02:441
71440rcu_preempt0-21swapper/100:02:441
71430rcu_preempt0-21swapper/022:07:380
71410rcu_preempt1779-21runrttasks00:30:411
71410rcu_preempt1779-21runrttasks00:30:411
71410rcu_preempt0-21swapper/023:24:470
71410rcu_preempt0-21swapper/023:24:470
71410rcu_preempt0-21swapper/023:24:470
46050410irq/122-QManpo913-2110:48:550
46050410irq/122-QManpo913-2110:48:550
46050410irq/122-QManpo0-210
46050410irq/122-QManpo0-210
100650410irq/38-i2c-mpc0-21swapper/023:45:550
100650410irq/38-i2c-mpc0-21swapper/023:45:550
100650410irq/38-i2c-mpc0-21swapper/023:45:550
100650410irq/38-i2c-mpc0-21swapper/023:45:550
71400rcu_preempt31474-21kworker/1:100:26:411
71400rcu_preempt31474-21kworker/1:100:26:411
71400rcu_preempt31474-21kworker/1:100:26:411
71400rcu_preempt0-21swapper/021:42:450
71400rcu_preempt0-21swapper/021:42:450
71400rcu_preempt0-21swapper/021:42:450
71400rcu_preempt0-21swapper/020:04:280
71400rcu_preempt0-21swapper/020:04:280
71400rcu_preempt0-21swapper/020:04:280
46050400irq/122-QManpo0-210
46050400irq/122-QManpo0-210
46050400irq/122-QManpo0-210
99750390irq/38-i2c-mpc0-21swapper/020:15:080
99750390irq/38-i2c-mpc0-21swapper/020:15:080
71390rcu_preempt21050-21ls19:12:341
71390rcu_preempt21050-21ls19:12:341
71390rcu_preempt0-21swapper/121:22:441
71390rcu_preempt0-21swapper/121:22:441
71390rcu_preempt0-21swapper/022:46:230
71390rcu_preempt0-21swapper/022:46:230
71390rcu_preempt0-21swapper/022:46:230
291390rcuc/316509-21ssh22:00:153
291390rcuc/316509-21ssh22:00:153
162592390sleep011983-1kworker/0:0H20:50:050
162592390sleep011983-1kworker/0:0H20:50:050
71380rcu_preempt7085-21sh00:40:570
71380rcu_preempt7085-21sh00:40:570
71380rcu_preempt7085-21sh00:40:570
71380rcu_preempt0-21swapper/123:29:421
71380rcu_preempt0-21swapper/123:29:421
71380rcu_preempt0-21swapper/123:10:561
71380rcu_preempt0-21swapper/123:10:561
71380rcu_preempt0-21swapper/123:10:561
71380rcu_preempt0-21swapper/100:40:541
71380rcu_preempt0-21swapper/100:40:541
71380rcu_preempt0-21swapper/100:40:541
71380rcu_preempt0-21swapper/023:38:510
71380rcu_preempt0-21swapper/023:38:510
71380rcu_preempt0-21swapper/022:24:260
71380rcu_preempt0-21swapper/022:24:260
71380rcu_preempt0-21swapper/019:25:000
71380rcu_preempt0-21swapper/019:25:000
46650380irq/116-QManpo20601-213
46650380irq/116-QManpo20601-213
71370rcu_preempt4484-21df22:37:471
71370rcu_preempt4484-21df22:37:471
71370rcu_preempt22128-21taskset19:13:440
71370rcu_preempt22128-21taskset19:13:440
71370rcu_preempt22025-21diskmemload23:11:450
71370rcu_preempt22025-21diskmemload23:11:450
71370rcu_preempt22025-21diskmemload23:11:450
71370rcu_preempt19735-21sh23:04:542
71370rcu_preempt19735-21sh23:04:542
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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