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2025-12-03 - 11:23
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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 Dec 03, 2025 00:53:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71510rcu_preempt0-21swapper/022:54:520
71510rcu_preempt0-21swapper/022:54:520
46050410irq/122-QManpo32662-2109:24:360
46050410irq/122-QManpo32662-2109:24:360
71400rcu_preempt0-21swapper/023:10:380
71400rcu_preempt0-21swapper/023:10:380
71400rcu_preempt0-21swapper/020:08:060
71400rcu_preempt0-21swapper/020:08:060
71400rcu_preempt0-21swapper/020:08:060
71390rcu_preempt8626-21runrttasks00:45:051
71390rcu_preempt8626-21runrttasks00:45:051
71390rcu_preempt23353-1kworker/0:0H20:27:510
71390rcu_preempt23353-1kworker/0:0H20:27:510
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
71380rcu_preempt0-21swapper/100:28:001
71380rcu_preempt0-21swapper/100:28:001
71380rcu_preempt0-21swapper/022:48:080
71380rcu_preempt0-21swapper/022:48:080
71380rcu_preempt0-21swapper/022:48:080
71380rcu_preempt0-21swapper/000:21:430
71380rcu_preempt0-21swapper/000:21:430
46050380irq/122-QManpo31019-2109:24:360
46050380irq/122-QManpo31019-2109:24:360
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
71370rcu_preempt15152-1kworker/0:2H00:10:160
71370rcu_preempt15152-1kworker/0:2H00:10:160
71370rcu_preempt14885-21taskset20:47:000
71370rcu_preempt14885-21taskset20:47:000
71370rcu_preempt0-21swapper/201:12:532
71370rcu_preempt0-21swapper/201:12:532
71370rcu_preempt0-21swapper/201:12:532
71370rcu_preempt0-21swapper/121:42:521
71370rcu_preempt0-21swapper/023:47:470
71370rcu_preempt0-21swapper/023:47:470
71370rcu_preempt0-21swapper/023:47:470
71370rcu_preempt0-21swapper/022:03:010
71370rcu_preempt0-21swapper/022:03:010
71370rcu_preempt0-21swapper/022:03:010
71370rcu_preempt0-21swapper/000:02:510
71370rcu_preempt0-21swapper/000:02:510
71370rcu_preempt0-21swapper/000:02:510
46050370irq/122-QManpo3308-2109:24:360
46050370irq/122-QManpo3308-2109:24:360
46050370irq/122-QManpo22505-2109:24:360
46050370irq/122-QManpo22505-2109:24:360
46050370irq/122-QManpo21587-10
46050370irq/122-QManpo21587-10
46050370irq/122-QManpo21587-10
46050370irq/122-QManpo11217-2109:24:360
46050370irq/122-QManpo11217-2109:24:360
1599370migration/019838-21unixbench_multi23:18:160
1599370migration/019838-21unixbench_multi23:18:160
71360rcu_preempt31848-21taskset22:42:100
71360rcu_preempt31848-21taskset22:42:100
71360rcu_preempt31848-21taskset22:42:100
71360rcu_preempt27476-21crond21:32:471
71360rcu_preempt27476-21crond21:32:471
71360rcu_preempt21981-21sshd23:23:063
71360rcu_preempt21981-21sshd23:23:063
71360rcu_preempt21981-21sshd23:23:063
71360rcu_preempt1988-21sendmail21:47:470
71360rcu_preempt1988-21sendmail21:47:470
71360rcu_preempt1988-21sendmail21:47:470
71360rcu_preempt18800-21ssh00:16:331
71360rcu_preempt18800-21ssh00:16:331
71360rcu_preempt12887-21snmpd23:43:141
71360rcu_preempt12887-21snmpd23:43:141
71360rcu_preempt12887-21snmpd23:43:141
71360rcu_preempt0-21swapper/300:09:583
71360rcu_preempt0-21swapper/300:09:583
71360rcu_preempt0-21swapper/221:18:002
71360rcu_preempt0-21swapper/221:18:002
71360rcu_preempt0-21swapper/221:18:002
71360rcu_preempt0-21swapper/220:03:172
71360rcu_preempt0-21swapper/220:03:172
71360rcu_preempt0-21swapper/122:56:331
71360rcu_preempt0-21swapper/122:56:331
71360rcu_preempt0-21swapper/122:02:581
71360rcu_preempt0-21swapper/122:02:581
71360rcu_preempt0-21swapper/122:02:581
71360rcu_preempt0-21swapper/101:12:551
71360rcu_preempt0-21swapper/101:12:551
71360rcu_preempt0-21swapper/022:27:440
71360rcu_preempt0-21swapper/022:27:440
71360rcu_preempt0-21swapper/022:27:440
71360rcu_preempt0-21swapper/000:29:060
71360rcu_preempt0-21swapper/000:29:060
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
71350rcu_preempt8673-21ssh21:58:300
71350rcu_preempt8673-21ssh21:58:300
71350rcu_preempt32507-21latency_hist23:42:490
71350rcu_preempt32507-21latency_hist23:42:490
71350rcu_preempt27019-21copy23:32:592
71350rcu_preempt27019-21copy23:32:592
71350rcu_preempt25344-1kworker/1:1H22:52:361
71350rcu_preempt25344-1kworker/1:1H22:52:361
71350rcu_preempt25344-1kworker/1:1H22:52:361
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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