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2026-01-02 - 20:03
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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 Fri Jan 02, 2026 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71720rcu_preempt0-21swapper/209:25:352
71720rcu_preempt0-21swapper/209:25:352
71720rcu_preempt0-21swapper/209:25:352
241560ksoftirqd/232309-1kworker/2:0H09:45:542
241560ksoftirqd/232309-1kworker/2:0H09:45:542
71540rcu_preempt0-21swapper/307:45:333
71540rcu_preempt0-21swapper/307:45:333
71490rcu_preempt0-21swapper/312:23:103
71490rcu_preempt0-21swapper/312:23:103
71470rcu_preempt0-21swapper/210:27:292
71470rcu_preempt0-21swapper/210:27:292
71460rcu_preempt0-21swapper/011:55:350
71460rcu_preempt0-21swapper/011:55:350
71450rcu_preempt0-21swapper/212:11:222
71450rcu_preempt0-21swapper/212:11:222
100650450irq/38-i2c-mpc0-21swapper/010:56:070
100650450irq/38-i2c-mpc0-21swapper/010:56:070
100650450irq/38-i2c-mpc0-21swapper/010:56:070
46250440irq/120-QManpo11169-2110:48:551
46250440irq/120-QManpo11169-2110:48:551
71430rcu_preempt0-21swapper/210:49:052
71430rcu_preempt0-21swapper/210:49:052
46050430irq/122-QManpo9948-210
46050430irq/122-QManpo9948-210
71420rcu_preempt0-21swapper/209:16:352
71420rcu_preempt0-21swapper/209:16:352
71420rcu_preempt0-21swapper/112:10:331
71420rcu_preempt0-21swapper/112:10:331
71410rcu_preempt0-21swapper/309:16:553
71410rcu_preempt0-21swapper/309:16:553
71410rcu_preempt0-21swapper/309:00:123
71410rcu_preempt0-21swapper/309:00:123
46050410irq/122-QManpo23189-2110:48:550
46050410irq/122-QManpo23189-2110:48:550
46050410irq/122-QManpo23189-2110:48:550
71400rcu_preempt8539-21ssh11:52:242
71400rcu_preempt8539-21ssh11:52:242
71400rcu_preempt31503-1kworker/2:1H11:20:302
71400rcu_preempt31503-1kworker/2:1H11:20:302
71400rcu_preempt31503-1kworker/2:1H11:20:302
71400rcu_preempt31503-1kworker/2:1H11:01:012
71400rcu_preempt31503-1kworker/2:1H11:01:012
71400rcu_preempt22337-21users12:15:562
71400rcu_preempt22337-21users12:15:562
71400rcu_preempt22337-21users12:15:562
71400rcu_preempt0-21swapper/308:55:273
71400rcu_preempt0-21swapper/308:55:273
71400rcu_preempt0-21swapper/307:40:413
71400rcu_preempt0-21swapper/307:40:413
71400rcu_preempt0-21swapper/307:40:413
71400rcu_preempt0-21swapper/010:09:550
71400rcu_preempt0-21swapper/010:09:550
1599400migration/014325-21runrttasks12:02:310
1599400migration/014325-21runrttasks12:02:310
11193994014cyclictest8665-1kworker/3:3H10:00:543
11193994014cyclictest8665-1kworker/3:3H10:00:543
71390rcu_preempt19547-1kworker/2:2H07:40:472
71390rcu_preempt19547-1kworker/2:2H07:40:472
71390rcu_preempt19547-1kworker/2:2H07:40:472
71390rcu_preempt0-21swapper/212:35:402
71390rcu_preempt0-21swapper/212:35:402
71390rcu_preempt0-21swapper/212:35:402
71390rcu_preempt0-21swapper/211:32:352
71390rcu_preempt0-21swapper/211:32:352
71390rcu_preempt0-21swapper/209:53:172
71390rcu_preempt0-21swapper/209:53:172
71390rcu_preempt0-21swapper/112:00:491
71390rcu_preempt0-21swapper/112:00:491
71390rcu_preempt0-21swapper/011:22:030
71390rcu_preempt0-21swapper/011:22:030
71390rcu_preempt0-21swapper/011:22:030
46050390irq/122-QManpo8473-2110:48:550
46050390irq/122-QManpo8473-2110:48:550
46050390irq/122-QManpo8473-2110:48:550
302992390sleep030162-1kworker/0:1H08:16:220
302992390sleep030162-1kworker/0:1H08:16:220
11193993917cyclictest19324-21ssh11:15:383
11193993917cyclictest19324-21ssh11:15:383
11193993917cyclictest19324-21ssh11:15:383
71380rcu_preempt32258-21ssh10:40:563
71380rcu_preempt32258-21ssh10:40:563
71380rcu_preempt32258-21ssh10:40:563
71380rcu_preempt31943-21ssh10:40:462
71380rcu_preempt31943-21ssh10:40:462
71380rcu_preempt31943-21ssh10:40:462
71380rcu_preempt24046-21chrt07:55:392
71380rcu_preempt24046-21chrt07:55:392
71380rcu_preempt12154-21diskmemload10:32:572
71380rcu_preempt12154-21diskmemload10:32:572
71380rcu_preempt0-21swapper/212:03:212
71380rcu_preempt0-21swapper/212:03:212
71380rcu_preempt0-21swapper/211:49:102
71380rcu_preempt0-21swapper/211:49:102
71380rcu_preempt0-21swapper/211:25:362
71380rcu_preempt0-21swapper/211:25:362
71380rcu_preempt0-21swapper/211:20:462
71380rcu_preempt0-21swapper/211:20:462
71380rcu_preempt0-21swapper/211:20:462
71380rcu_preempt0-21swapper/112:36:371
71380rcu_preempt0-21swapper/112:36:371
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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