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2025-11-18 - 22:39
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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 Tue Nov 18, 2025 12:53:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71570rcu_preempt0-21swapper/011:10:040
71570rcu_preempt0-21swapper/011:10:040
71570rcu_preempt0-21swapper/011:10:040
71510rcu_preempt0-21swapper/310:20:513
71510rcu_preempt0-21swapper/310:20:513
71450rcu_preempt0-21swapper/310:23:573
71450rcu_preempt0-21swapper/310:23:573
241440ksoftirqd/23733-1kworker/2:1H08:57:572
241440ksoftirqd/23733-1kworker/2:1H08:57:572
71430rcu_preempt0-21swapper/010:43:200
71430rcu_preempt0-21swapper/010:43:200
71420rcu_preempt12194-21ssh10:32:403
71420rcu_preempt12194-21ssh10:32:403
71420rcu_preempt0-21swapper/110:32:371
71420rcu_preempt0-21swapper/110:32:371
71410rcu_preempt0-21swapper/211:58:012
71410rcu_preempt0-21swapper/211:58:012
71410rcu_preempt0-21swapper/108:27:501
71410rcu_preempt0-21swapper/108:27:501
71410rcu_preempt0-21swapper/107:57:401
71410rcu_preempt0-21swapper/107:57:401
71400rcu_preempt7619-21uname10:22:580
71400rcu_preempt7619-21uname10:22:580
71400rcu_preempt2834-21sh12:22:351
71400rcu_preempt2834-21sh12:22:351
71400rcu_preempt0-21swapper/012:51:410
71400rcu_preempt0-21swapper/012:51:410
71390rcu_preempt21561-21sh09:47:092
71390rcu_preempt21561-21sh09:47:092
71390rcu_preempt21561-21sh09:47:092
71390rcu_preempt0-21swapper/012:56:020
71390rcu_preempt0-21swapper/012:56:020
71390rcu_preempt0-21swapper/012:43:400
71390rcu_preempt0-21swapper/012:43:400
71390rcu_preempt0-21swapper/011:47:360
71390rcu_preempt0-21swapper/011:47:360
71390rcu_preempt0-21swapper/011:39:160
71390rcu_preempt0-21swapper/011:39:160
71390rcu_preempt0-21swapper/011:27:320
71390rcu_preempt0-21swapper/011:27:320
71380rcu_preempt29545-21copy08:27:360
71380rcu_preempt29545-21copy08:27:360
71380rcu_preempt27107-21df_inode09:57:500
71380rcu_preempt27107-21df_inode09:57:500
71380rcu_preempt27107-21df_inode09:57:500
71380rcu_preempt24801-21apt-get10:57:430
71380rcu_preempt24801-21apt-get10:57:430
71380rcu_preempt14000-21apt-get09:27:430
71380rcu_preempt14000-21apt-get09:27:430
71380rcu_preempt0-21swapper/112:33:031
71380rcu_preempt0-21swapper/112:33:031
46050380irq/122-QManpo11393-2109:24:360
46050380irq/122-QManpo11393-2109:24:360
71370rcu_preempt7007-1kworker/2:0H09:02:542
71370rcu_preempt7007-1kworker/2:0H09:02:542
71370rcu_preempt27171-1taskset12:06:422
71370rcu_preempt27171-1taskset12:06:422
71370rcu_preempt20214-21/usr/sbin/munin09:43:021
71370rcu_preempt20214-21/usr/sbin/munin09:43:021
71370rcu_preempt20214-21/usr/sbin/munin09:43:021
71370rcu_preempt10876-1kworker/2:2H11:42:542
71370rcu_preempt10876-1kworker/2:2H11:42:542
71370rcu_preempt0-21swapper/012:02:540
71370rcu_preempt0-21swapper/012:02:540
71370rcu_preempt0-21swapper/011:57:390
71370rcu_preempt0-21swapper/010:32:550
71370rcu_preempt0-21swapper/010:32:550
71370rcu_preempt0-21swapper/009:26:350
71370rcu_preempt0-21swapper/009:26:350
71370rcu_preempt0-21swapper/009:26:350
71370rcu_preempt0-21swapper/007:52:000
46050370irq/122-QManpo7262-2109:24:360
46050370irq/122-QManpo7262-2109:24:360
71360rcu_preempt6939-21latency_hist09:02:340
71360rcu_preempt6939-21latency_hist09:02:340
71360rcu_preempt26660-21crond09:57:301
71360rcu_preempt26660-21crond09:57:301
71360rcu_preempt26660-21crond09:57:301
71360rcu_preempt25543-21meminfo12:02:541
71360rcu_preempt25543-21meminfo12:02:541
71360rcu_preempt20862-1kworker/0:0H10:53:070
71360rcu_preempt20862-1kworker/0:0H10:53:070
71360rcu_preempt0-21swapper/211:38:482
71360rcu_preempt0-21swapper/211:38:482
71360rcu_preempt0-21swapper/111:03:061
71360rcu_preempt0-21swapper/111:03:061
71360rcu_preempt0-21swapper/110:04:411
71360rcu_preempt0-21swapper/110:04:411
71360rcu_preempt0-21swapper/109:12:361
71360rcu_preempt0-21swapper/109:12:361
71360rcu_preempt0-21swapper/108:57:391
71360rcu_preempt0-21swapper/108:57:391
71360rcu_preempt0-21swapper/011:57:420
71360rcu_preempt0-21swapper/011:57:420
71360rcu_preempt0-21swapper/010:22:310
71360rcu_preempt0-21swapper/010:22:310
71360rcu_preempt0-21swapper/008:49:220
71360rcu_preempt0-21swapper/008:49:220
46050360irq/122-QManpo8005-2109:24:360
46050360irq/122-QManpo8005-2109:24:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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