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2025-11-15 - 21:53
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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 Sat Nov 15, 2025 12:53:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71630rcu_preempt0-21swapper/309:27:403
71630rcu_preempt0-21swapper/309:27:403
46050510irq/122-QManpo2336-2109:24:360
46050510irq/122-QManpo2336-2109:24:360
46050510irq/122-QManpo2336-2109:24:360
46050510irq/122-QManpo2336-2109:24:360
71480rcu_preempt8605-21/usr/sbin/munin10:17:501
71480rcu_preempt8605-21/usr/sbin/munin10:17:501
71460rcu_preempt0-21swapper/110:54:281
71460rcu_preempt0-21swapper/110:54:281
71450rcu_preempt0-21swapper/311:16:283
71450rcu_preempt0-21swapper/311:16:283
71410rcu_preempt0-21swapper/312:39:053
71410rcu_preempt0-21swapper/312:39:053
71410rcu_preempt0-21swapper/312:12:423
71410rcu_preempt0-21swapper/312:12:423
71410rcu_preempt0-21swapper/312:12:423
1599400migration/010689-21runrttasks08:57:510
1599400migration/010689-21runrttasks08:57:510
1599400migration/010689-21runrttasks08:57:510
71390rcu_preempt8946-21ssh10:17:492
71390rcu_preempt8946-21ssh10:17:492
71390rcu_preempt3195-21grep12:12:582
71390rcu_preempt3195-21grep12:12:582
71390rcu_preempt3195-21grep12:12:582
71390rcu_preempt0-21swapper/211:48:392
71390rcu_preempt0-21swapper/211:48:392
71390rcu_preempt0-21swapper/211:48:392
71390rcu_preempt0-21swapper/110:28:111
71390rcu_preempt0-21swapper/110:28:111
71390rcu_preempt0-21swapper/110:28:111
71390rcu_preempt0-21swapper/110:24:401
71390rcu_preempt0-21swapper/110:24:401
71390rcu_preempt0-21swapper/011:16:100
71390rcu_preempt0-21swapper/011:16:100
100550390irq/38-i2c-mpc0-21swapper/010:32:280
100550390irq/38-i2c-mpc0-21swapper/010:32:280
100550390irq/38-i2c-mpc0-21swapper/010:32:280
71380rcu_preempt8626-21runrttasks13:12:093
71380rcu_preempt8626-21runrttasks13:12:093
71380rcu_preempt8626-21runrttasks13:12:093
71380rcu_preempt8626-21runrttasks13:12:093
71380rcu_preempt16527-21taskset12:39:210
71380rcu_preempt16527-21taskset12:39:210
71380rcu_preempt0-21swapper/012:17:330
71380rcu_preempt0-21swapper/012:17:330
46050380irq/122-QManpo18224-2109:24:360
46050380irq/122-QManpo18224-2109:24:360
46050380irq/122-QManpo18224-2109:24:360
71370rcu_preempt2088-21wc10:02:562
71370rcu_preempt2088-21wc10:02:562
71370rcu_preempt0-21swapper/311:07:293
71370rcu_preempt0-21swapper/311:07:293
71370rcu_preempt0-21swapper/111:55:161
71370rcu_preempt0-21swapper/111:55:161
71370rcu_preempt0-21swapper/012:10:190
71370rcu_preempt0-21swapper/012:10:190
71370rcu_preempt0-21swapper/011:07:390
71370rcu_preempt0-21swapper/011:07:390
71370rcu_preempt0-21swapper/008:06:260
71370rcu_preempt0-21swapper/008:06:260
46050370irq/122-QManpo5930-2109:24:360
46050370irq/122-QManpo5930-2109:24:360
46050370irq/122-QManpo31767-2109:24:360
46050370irq/122-QManpo31767-2109:24:360
46050370irq/122-QManpo24375-2109:24:360
46050370irq/122-QManpo24375-2109:24:360
46050370irq/122-QManpo12286-2109:24:360
46050370irq/122-QManpo12286-2109:24:360
258982370sleep019999-1kworker/0:0H09:47:070
258982370sleep019999-1kworker/0:0H09:47:070
127252370sleep02852-1kworker/0:1H09:05:360
127252370sleep02852-1kworker/0:1H09:05:360
71360rcu_preempt0-21swapper/311:52:523
71360rcu_preempt0-21swapper/311:52:523
71360rcu_preempt0-21swapper/310:12:573
71360rcu_preempt0-21swapper/310:12:573
71360rcu_preempt0-21swapper/113:12:331
71360rcu_preempt0-21swapper/113:12:331
71360rcu_preempt0-21swapper/113:12:331
71360rcu_preempt0-21swapper/113:12:331
71360rcu_preempt0-21swapper/113:07:071
71360rcu_preempt0-21swapper/113:07:071
71360rcu_preempt0-21swapper/112:52:431
71360rcu_preempt0-21swapper/112:52:431
71360rcu_preempt0-21swapper/112:52:431
71360rcu_preempt0-21swapper/112:50:081
71360rcu_preempt0-21swapper/112:50:081
71360rcu_preempt0-21swapper/112:50:081
71360rcu_preempt0-21swapper/111:34:231
71360rcu_preempt0-21swapper/111:34:231
71360rcu_preempt0-21swapper/110:11:271
71360rcu_preempt0-21swapper/110:11:271
71360rcu_preempt0-21swapper/109:55:391
71360rcu_preempt0-21swapper/109:55:391
71360rcu_preempt0-21swapper/109:27:531
71360rcu_preempt0-21swapper/109:27:531
71360rcu_preempt0-21swapper/010:41:150
71360rcu_preempt0-21swapper/010:41:150
71360rcu_preempt0-21swapper/010:41:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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