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2026-05-21 - 06:40
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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 Thu May 21, 2026 00:44:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
46050460irq/122-QManpo0-210
46050460irq/122-QManpo0-210
46050460irq/122-QManpo0-210
71450rcu_preempt28533-21sh00:11:260
71450rcu_preempt28533-21sh00:11:260
71440rcu_preempt0-21swapper/023:55:500
71440rcu_preempt0-21swapper/023:55:500
46050420irq/122-QManpo866-2110:48:550
46050420irq/122-QManpo866-2110:48:550
46050420irq/122-QManpo866-2110:48:550
71410rcu_preempt0-21swapper/023:24:380
71410rcu_preempt0-21swapper/023:24:380
71400rcu_preempt32749-21chrt22:16:561
71400rcu_preempt32749-21chrt22:16:561
71400rcu_preempt32749-21chrt22:16:561
71400rcu_preempt0-21swapper/100:38:271
71400rcu_preempt0-21swapper/100:38:271
71400rcu_preempt0-21swapper/100:38:271
71400rcu_preempt0-21swapper/023:05:460
71400rcu_preempt0-21swapper/023:05:460
46050400irq/122-QManpo28681-2110:48:550
46050400irq/122-QManpo28681-2110:48:550
46050400irq/122-QManpo28681-2110:48:550
99750390irq/38-i2c-mpc0-21swapper/019:46:220
99750390irq/38-i2c-mpc0-21swapper/019:46:220
99750390irq/38-i2c-mpc0-21swapper/019:46:220
71390rcu_preempt30479-21ls19:13:002
71390rcu_preempt30479-21ls19:13:002
71390rcu_preempt30479-21ls19:13:002
71390rcu_preempt26506-21latency_hist00:07:591
71390rcu_preempt26506-21latency_hist00:07:591
71390rcu_preempt26506-21latency_hist00:07:591
71390rcu_preempt0-21swapper/120:32:551
71390rcu_preempt0-21swapper/120:32:551
71390rcu_preempt0-21swapper/120:32:551
71390rcu_preempt0-21swapper/023:49:400
71390rcu_preempt0-21swapper/023:49:400
71390rcu_preempt0-21swapper/023:49:400
71390rcu_preempt0-21swapper/023:18:200
71390rcu_preempt0-21swapper/023:18:200
71390rcu_preempt0-21swapper/023:18:200
71390rcu_preempt0-21swapper/022:40:350
71390rcu_preempt0-21swapper/022:40:350
71390rcu_preempt0-21swapper/022:40:350
71390rcu_preempt0-21swapper/021:47:560
71390rcu_preempt0-21swapper/021:47:560
46050390irq/122-QManpo1417-2110:48:550
46050390irq/122-QManpo1417-2110:48:550
46050390irq/122-QManpo1417-2110:48:550
3063999393cyclictest0-21swapper/123:48:591
3063999393cyclictest0-21swapper/123:48:591
3063999393cyclictest0-21swapper/123:48:591
71380rcu_preempt22020-21apt-get22:58:251
71380rcu_preempt22020-21apt-get22:58:251
71380rcu_preempt21860-21sh22:57:291
71380rcu_preempt21860-21sh22:57:291
71380rcu_preempt21860-21sh22:57:291
71380rcu_preempt0-21swapper/123:40:001
71380rcu_preempt0-21swapper/123:40:001
71380rcu_preempt0-21swapper/122:26:321
71380rcu_preempt0-21swapper/122:26:321
71380rcu_preempt0-21swapper/120:52:331
71380rcu_preempt0-21swapper/120:52:331
71380rcu_preempt0-21swapper/100:26:401
71380rcu_preempt0-21swapper/100:26:401
71380rcu_preempt0-21swapper/100:26:401
71380rcu_preempt0-21swapper/100:19:541
71380rcu_preempt0-21swapper/100:19:541
71380rcu_preempt0-21swapper/100:19:541
71380rcu_preempt0-21swapper/023:12:120
71380rcu_preempt0-21swapper/023:12:120
71380rcu_preempt0-21swapper/022:13:330
71380rcu_preempt0-21swapper/022:13:330
71380rcu_preempt0-21swapper/022:13:330
71380rcu_preempt0-21swapper/021:18:080
71380rcu_preempt0-21swapper/021:18:080
71380rcu_preempt0-21swapper/000:27:160
71380rcu_preempt0-21swapper/000:27:160
71380rcu_preempt0-21swapper/000:27:160
46650380irq/116-QManpo29469-2110:48:553
46650380irq/116-QManpo29469-2110:48:553
46650380irq/116-QManpo29469-2110:48:553
71370rcu_preempt4992-1kworker/1:1H21:23:241
71370rcu_preempt4992-1kworker/1:1H21:23:241
71370rcu_preempt4992-1kworker/1:1H21:23:241
71370rcu_preempt30637-21cyclictest21:31:410
71370rcu_preempt30637-21cyclictest21:31:410
71370rcu_preempt30637-21cyclictest21:31:410
71370rcu_preempt22957-21apt-get21:58:080
71370rcu_preempt22957-21apt-get21:58:080
71370rcu_preempt22957-21apt-get21:58:080
71370rcu_preempt16017-21sh22:45:130
71370rcu_preempt16017-21sh22:45:130
71370rcu_preempt16017-21sh22:45:130
71370rcu_preempt11470-21ssh21:34:470
71370rcu_preempt11470-21ssh21:34:470
71370rcu_preempt11470-21ssh21:34:470
71370rcu_preempt0-21swapper/123:46:541
71370rcu_preempt0-21swapper/123:46:541
71370rcu_preempt0-21swapper/123:46:541
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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