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2025-11-24 - 16:41
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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 Nov 24, 2025 12:54:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71730rcu_preempt0-21swapper/211:42:192
71730rcu_preempt0-21swapper/211:42:192
71450rcu_preempt0-21swapper/311:05:053
71450rcu_preempt0-21swapper/311:05:053
46050420irq/122-QManpo0-210
46050420irq/122-QManpo0-210
71400rcu_preempt0-21swapper/012:17:380
71400rcu_preempt0-21swapper/012:17:380
71390rcu_preempt0-21swapper/013:02:560
71390rcu_preempt0-21swapper/013:02:560
71390rcu_preempt0-21swapper/013:02:560
71390rcu_preempt0-21swapper/008:23:010
71390rcu_preempt0-21swapper/008:23:010
71380rcu_preempt8151-21sh11:33:280
71380rcu_preempt8151-21sh11:33:280
71380rcu_preempt8151-21sh11:33:280
71380rcu_preempt5456-21seq10:23:482
71380rcu_preempt5456-21seq10:23:482
71380rcu_preempt5456-21seq10:23:482
71380rcu_preempt0-21swapper/212:26:532
71380rcu_preempt0-21swapper/212:26:532
71380rcu_preempt0-21swapper/210:12:382
71380rcu_preempt0-21swapper/210:12:382
71380rcu_preempt0-21swapper/111:43:131
71380rcu_preempt0-21swapper/111:43:131
71380rcu_preempt0-21swapper/111:26:311
71380rcu_preempt0-21swapper/111:26:311
71380rcu_preempt0-21swapper/109:58:271
71380rcu_preempt0-21swapper/109:58:271
71380rcu_preempt0-21swapper/011:59:460
71380rcu_preempt0-21swapper/011:59:460
71380rcu_preempt0-21swapper/009:52:510
71380rcu_preempt0-21swapper/009:52:510
46050380irq/122-QManpo17764-2109:24:360
46050380irq/122-QManpo17764-2109:24:360
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
71370rcu_preempt18122-21ssh11:53:460
71370rcu_preempt18122-21ssh11:53:460
71370rcu_preempt0-21swapper/112:53:441
71370rcu_preempt0-21swapper/112:53:441
71370rcu_preempt0-21swapper/112:53:441
71370rcu_preempt0-21swapper/111:52:301
71370rcu_preempt0-21swapper/111:52:301
71370rcu_preempt0-21swapper/012:53:080
71370rcu_preempt0-21swapper/012:53:080
71370rcu_preempt0-21swapper/012:53:080
71370rcu_preempt0-21swapper/012:36:030
71370rcu_preempt0-21swapper/012:36:030
71370rcu_preempt0-21swapper/011:27:460
71370rcu_preempt0-21swapper/011:27:460
71370rcu_preempt0-21swapper/011:27:460
71370rcu_preempt0-21swapper/011:17:370
71370rcu_preempt0-21swapper/011:17:370
71370rcu_preempt0-21swapper/011:17:370
71370rcu_preempt0-21swapper/010:04:040
71370rcu_preempt0-21swapper/010:04:040
46050370irq/122-QManpo24713-2109:24:360
46050370irq/122-QManpo24713-2109:24:360
71360rcu_preempt1850-21apt-get10:17:500
71360rcu_preempt1850-21apt-get10:17:500
71360rcu_preempt1850-21apt-get10:17:500
71360rcu_preempt0-21swapper/211:12:582
71360rcu_preempt0-21swapper/211:12:582
71360rcu_preempt0-21swapper/211:12:582
71360rcu_preempt0-21swapper/211:08:522
71360rcu_preempt0-21swapper/211:08:522
71360rcu_preempt0-21swapper/211:08:522
71360rcu_preempt0-21swapper/210:55:582
71360rcu_preempt0-21swapper/210:55:582
71360rcu_preempt0-21swapper/208:52:562
71360rcu_preempt0-21swapper/208:52:562
71360rcu_preempt0-21swapper/012:47:500
71360rcu_preempt0-21swapper/012:47:500
71360rcu_preempt0-21swapper/012:47:500
71360rcu_preempt0-21swapper/012:31:160
71360rcu_preempt0-21swapper/012:31:160
71360rcu_preempt0-21swapper/012:18:040
71360rcu_preempt0-21swapper/012:18:040
71360rcu_preempt0-21swapper/012:18:040
71360rcu_preempt0-21swapper/012:03:130
71360rcu_preempt0-21swapper/012:03:130
71360rcu_preempt0-21swapper/011:04:330
71360rcu_preempt0-21swapper/011:04:330
71360rcu_preempt0-21swapper/010:50:290
71360rcu_preempt0-21swapper/010:50:290
71360rcu_preempt0-21swapper/009:42:370
71360rcu_preempt0-21swapper/009:42:370
46050360irq/122-QManpo6650-2109:24:360
46050360irq/122-QManpo6650-2109:24:360
46050360irq/122-QManpo25532-2109:24:360
46050360irq/122-QManpo25532-2109:24:360
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
241752360sleep023374-1kworker/0:0H08:13:070
241752360sleep023374-1kworker/0:0H08:13:070
241752360sleep023374-1kworker/0:0H08:13:070
71350rcu_preempt18104-21ssh11:53:441
71350rcu_preempt18104-21ssh11:53:441
71350rcu_preempt12978-1kworker/2:0H12:16:032
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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