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2025-12-22 - 20:39
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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 22, 2025 12:43:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71740rcu_preempt0-21swapper/109:56:101
71740rcu_preempt0-21swapper/109:56:101
71740rcu_preempt0-21swapper/109:56:101
71640rcu_preempt0-21swapper/111:15:311
71640rcu_preempt0-21swapper/111:15:311
71640rcu_preempt0-21swapper/111:15:311
71600rcu_preempt0-21swapper/208:00:252
71600rcu_preempt0-21swapper/208:00:252
71540rcu_preempt0-21swapper/308:00:223
71540rcu_preempt0-21swapper/308:00:223
71490rcu_preempt0-21swapper/009:28:540
71490rcu_preempt0-21swapper/009:28:540
71480rcu_preempt0-21swapper/312:35:203
71470rcu_preempt0-21swapper/107:05:231
71470rcu_preempt0-21swapper/107:05:231
71440rcu_preempt17227-21sh10:20:223
71440rcu_preempt17227-21sh10:20:223
71440rcu_preempt17227-21sh10:20:223
71410rcu_preempt11997-21grep07:20:410
71410rcu_preempt11997-21grep07:20:410
71410rcu_preempt0-21swapper/111:57:281
71410rcu_preempt0-21swapper/111:57:281
71410rcu_preempt0-21swapper/111:57:281
71410rcu_preempt0-21swapper/008:00:330
71410rcu_preempt0-21swapper/008:00:330
71400rcu_preempt19891-21ssh09:28:051
71400rcu_preempt19891-21ssh09:28:051
71400rcu_preempt0-21swapper/012:21:250
71400rcu_preempt0-21swapper/012:21:250
71400rcu_preempt0-21swapper/012:19:420
71400rcu_preempt0-21swapper/012:19:420
71400rcu_preempt0-21swapper/012:19:420
71400rcu_preempt0-21swapper/012:04:360
71400rcu_preempt0-21swapper/012:04:360
71400rcu_preempt0-21swapper/012:04:360
71400rcu_preempt0-21swapper/008:00:170
71400rcu_preempt0-21swapper/008:00:170
71400rcu_preempt0-21swapper/008:00:170
46050400irq/122-QManpo0-210
46050400irq/122-QManpo0-210
71380rcu_preempt15305-1kworker/1:0H12:15:431
71380rcu_preempt15305-1kworker/1:0H12:15:431
71380rcu_preempt15305-1kworker/1:0H12:15:431
71380rcu_preempt12916-21processes09:15:400
71380rcu_preempt12916-21processes09:15:400
71380rcu_preempt12916-21processes09:15:400
71380rcu_preempt0-21swapper/310:15:303
71380rcu_preempt0-21swapper/310:15:303
71380rcu_preempt0-21swapper/310:15:303
71380rcu_preempt0-21swapper/309:33:013
71380rcu_preempt0-21swapper/309:33:013
71380rcu_preempt0-21swapper/309:33:013
71380rcu_preempt0-21swapper/109:11:131
71380rcu_preempt0-21swapper/109:11:131
71380rcu_preempt0-21swapper/109:11:131
71380rcu_preempt0-21swapper/008:05:240
71380rcu_preempt0-21swapper/008:05:240
2899380migration/37964-21taskset07:07:123
2899380migration/37964-21taskset07:07:123
71370rcu_preempt978-1sh09:50:520
71370rcu_preempt978-1sh09:50:520
71370rcu_preempt7929-21unixbench_singl11:55:420
71370rcu_preempt7929-21unixbench_singl11:55:420
71370rcu_preempt7929-21unixbench_singl11:55:420
71370rcu_preempt23664-21ssh12:25:301
71370rcu_preempt23664-21ssh12:25:301
71370rcu_preempt22131-1kworker/1:0H09:55:151
71370rcu_preempt22131-1kworker/1:0H09:55:151
71370rcu_preempt0-21swapper/312:25:393
71370rcu_preempt0-21swapper/312:25:393
71370rcu_preempt0-21swapper/111:44:561
71370rcu_preempt0-21swapper/111:44:561
71370rcu_preempt0-21swapper/110:31:301
71370rcu_preempt0-21swapper/110:31:301
71370rcu_preempt0-21swapper/109:45:231
71370rcu_preempt0-21swapper/109:45:231
71370rcu_preempt0-21swapper/012:35:330
71370rcu_preempt0-21swapper/012:35:330
71370rcu_preempt0-21swapper/012:35:330
71370rcu_preempt0-21swapper/010:00:250
71370rcu_preempt0-21swapper/010:00:250
71360rcu_preempt13437-21ssh12:07:141
71360rcu_preempt13437-21ssh12:07:141
71360rcu_preempt13437-21ssh12:07:141
71360rcu_preempt12428-21taskset11:07:430
71360rcu_preempt12428-21taskset11:07:430
71360rcu_preempt12428-21taskset11:07:430
71360rcu_preempt0-21swapper/310:29:563
71360rcu_preempt0-21swapper/310:29:563
71360rcu_preempt0-21swapper/310:00:283
71360rcu_preempt0-21swapper/310:00:283
71360rcu_preempt0-21swapper/111:26:351
71360rcu_preempt0-21swapper/111:26:351
71360rcu_preempt0-21swapper/111:26:351
71360rcu_preempt0-21swapper/110:51:431
71360rcu_preempt0-21swapper/110:51:431
71360rcu_preempt0-21swapper/110:06:291
71360rcu_preempt0-21swapper/110:06:291
71360rcu_preempt0-21swapper/011:21:170
71360rcu_preempt0-21swapper/011:21:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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