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2025-12-15 - 12:52
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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 Mon Dec 15, 2025 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71760rcu_preempt0-21swapper/300:22:523
71680rcu_preempt0-21swapper/121:17:281
71680rcu_preempt0-21swapper/121:17:281
71680rcu_preempt0-21swapper/121:17:281
71650rcu_preempt0-21swapper/300:17:053
71650rcu_preempt0-21swapper/300:17:053
71630rcu_preempt0-21swapper/122:25:581
71630rcu_preempt0-21swapper/122:25:581
71630rcu_preempt0-21swapper/022:12:000
71630rcu_preempt0-21swapper/022:12:000
71620rcu_preempt0-21swapper/321:40:103
71620rcu_preempt0-21swapper/321:40:103
71600rcu_preempt0-21swapper/323:19:573
71600rcu_preempt0-21swapper/323:19:573
71600rcu_preempt0-21swapper/300:13:263
71570rcu_preempt0-21swapper/223:41:242
71570rcu_preempt0-21swapper/223:41:242
71540rcu_preempt0-21swapper/022:06:440
71540rcu_preempt0-21swapper/022:06:440
71500rcu_preempt0-21swapper/221:19:572
71500rcu_preempt0-21swapper/221:19:572
71500rcu_preempt0-21swapper/221:19:572
1599470migration/014329-21taskset19:08:510
1599470migration/014329-21taskset19:08:510
71440rcu_preempt0-21swapper/319:05:113
71440rcu_preempt0-21swapper/319:05:113
46050430irq/122-QManpo0-210
46050430irq/122-QManpo0-210
46450420irq/118-QManpo13583-2110:48:542
46450420irq/118-QManpo13583-2110:48:542
46050420irq/122-QManpo21459-10
46050420irq/122-QManpo21459-10
71410rcu_preempt0-21swapper/022:56:550
71410rcu_preempt0-21swapper/022:56:550
71400rcu_preempt0-21swapper/200:01:002
71400rcu_preempt0-21swapper/023:26:230
71400rcu_preempt0-21swapper/023:26:230
71400rcu_preempt0-21swapper/019:15:290
71400rcu_preempt0-21swapper/000:21:000
71390rcu_preempt0-21swapper/300:07:033
71390rcu_preempt0-21swapper/300:07:033
71390rcu_preempt0-21swapper/000:29:280
71390rcu_preempt0-21swapper/000:29:280
46050390irq/122-QManpo27147-10
46050390irq/122-QManpo27147-10
46050390irq/122-QManpo15497-2110:48:540
46050390irq/122-QManpo15497-2110:48:540
71380rcu_preempt12343-21apt-get22:55:151
71380rcu_preempt12343-21apt-get22:55:151
71380rcu_preempt0-21swapper/322:34:353
71380rcu_preempt0-21swapper/322:34:353
71380rcu_preempt0-21swapper/200:31:492
71380rcu_preempt0-21swapper/200:31:492
71380rcu_preempt0-21swapper/122:44:381
71380rcu_preempt0-21swapper/122:44:381
71380rcu_preempt0-21swapper/022:50:100
71380rcu_preempt0-21swapper/022:50:100
46450380irq/118-QManpo15290-212
46450380irq/118-QManpo15290-212
46250380irq/120-QManpo0-2110:48:541
46250380irq/120-QManpo0-2110:48:541
46050380irq/122-QManpo7451-2110:48:540
46050380irq/122-QManpo7451-2110:48:540
46050380irq/122-QManpo27805-2110:48:540
46050380irq/122-QManpo24590-2110:48:540
46050380irq/122-QManpo24590-2110:48:540
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
71370rcu_preempt3493-21apt-get21:45:210
71370rcu_preempt24077-21copy22:20:120
71370rcu_preempt24077-21copy22:20:120
71370rcu_preempt22216-21users22:15:331
71370rcu_preempt22216-21users22:15:331
71370rcu_preempt0-21swapper/120:50:061
71370rcu_preempt0-21swapper/023:47:030
71370rcu_preempt0-21swapper/023:47:030
71370rcu_preempt0-21swapper/021:10:060
71370rcu_preempt0-21swapper/021:10:060
71370rcu_preempt0-21swapper/000:06:500
71370rcu_preempt0-21swapper/000:06:500
46050370irq/122-QManpo30083-210
46050370irq/122-QManpo30083-210
46050370irq/122-QManpo24021-2110:48:540
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
96402360sleep06696-1kworker/0:2H20:48:320
96402360sleep06696-1kworker/0:2H20:48:320
71360rcu_preempt3549-21sh22:40:120
71360rcu_preempt3549-21sh22:40:120
71360rcu_preempt29096-21ssh22:28:032
71360rcu_preempt29096-21ssh22:28:032
71360rcu_preempt22749-21apt-get19:40:213
71360rcu_preempt22749-21apt-get19:40:213
71360rcu_preempt20552-21ssh21:18:280
71360rcu_preempt20552-21ssh21:18:280
71360rcu_preempt20552-21ssh21:18:280
71360rcu_preempt1843-1kworker/2:1H23:05:292
71360rcu_preempt1843-1kworker/2:1H23:05:292
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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