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2026-04-04 - 19:41
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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 Sat Apr 04, 2026 12:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71480rcu_preempt1958-21snmpd11:47:180
71480rcu_preempt1958-21snmpd11:47:180
71480rcu_preempt1958-21snmpd11:47:180
71480rcu_preempt0-21swapper/211:43:042
71480rcu_preempt0-21swapper/211:43:042
71480rcu_preempt0-21swapper/211:43:042
71440rcu_preempt12978-1kworker/3:0H12:06:583
71440rcu_preempt12978-1kworker/3:0H12:06:583
46050430irq/122-QManpo12778-2110:48:550
46050430irq/122-QManpo12778-2110:48:550
71420rcu_preempt13138-21latency_hist07:12:091
71420rcu_preempt13138-21latency_hist07:12:091
71420rcu_preempt0-21swapper/310:04:593
71420rcu_preempt0-21swapper/310:04:593
71410rcu_preempt1473-21sh10:44:563
71410rcu_preempt1473-21sh10:44:563
71410rcu_preempt0-21swapper/309:52:283
71410rcu_preempt0-21swapper/309:52:283
71400rcu_preempt0-21swapper/012:15:240
71400rcu_preempt0-21swapper/012:15:240
71400rcu_preempt0-21swapper/011:02:140
71390rcu_preempt25038-21ssh12:25:510
71390rcu_preempt25038-21ssh12:25:510
71390rcu_preempt25038-21ssh12:25:510
71390rcu_preempt17123-21apt-get09:17:190
71390rcu_preempt17123-21apt-get09:17:190
71390rcu_preempt17123-21apt-get09:17:190
71390rcu_preempt14522-21/usr/sbin/munin12:07:302
71390rcu_preempt14522-21/usr/sbin/munin12:07:302
71390rcu_preempt0-21swapper/212:23:092
71390rcu_preempt0-21swapper/212:23:092
71390rcu_preempt0-21swapper/212:23:092
71390rcu_preempt0-21swapper/012:37:380
71390rcu_preempt0-21swapper/012:37:380
71390rcu_preempt0-21swapper/012:37:380
71390rcu_preempt0-21swapper/009:27:300
71390rcu_preempt0-21swapper/009:27:300
46050390irq/122-QManpo15913-2110:48:550
46050390irq/122-QManpo15913-2110:48:550
46050390irq/122-QManpo11265-2110:48:550
46050390irq/122-QManpo11265-2110:48:550
1599390migration/021566-21latency_hist07:42:130
71380rcu_preempt14741-1kworker/2:1H11:48:592
71380rcu_preempt14741-1kworker/2:1H11:48:592
71380rcu_preempt14741-1kworker/2:1H11:48:592
71380rcu_preempt13714-1kworker/0:0H10:13:050
71380rcu_preempt13714-1kworker/0:0H10:13:050
71380rcu_preempt13714-1kworker/0:0H10:13:050
71380rcu_preempt0-21swapper/012:09:300
71380rcu_preempt0-21swapper/012:09:300
71380rcu_preempt0-21swapper/012:07:020
71380rcu_preempt0-21swapper/012:07:020
71380rcu_preempt0-21swapper/011:42:210
71380rcu_preempt0-21swapper/011:42:210
71380rcu_preempt0-21swapper/011:42:210
71380rcu_preempt0-21swapper/010:27:180
71380rcu_preempt0-21swapper/010:27:180
71380rcu_preempt0-21swapper/010:27:180
71380rcu_preempt0-21swapper/009:36:520
71380rcu_preempt0-21swapper/009:36:520
71380rcu_preempt0-21swapper/009:25:220
71380rcu_preempt0-21swapper/009:25:220
71380rcu_preempt0-21swapper/009:25:220
1599380migration/011080-21taskset12:00:340
1599380migration/011080-21taskset12:00:340
71370rcu_preempt10887-21/usr/sbin/munin11:02:370
71370rcu_preempt10887-21/usr/sbin/munin11:02:370
71370rcu_preempt0-21swapper/311:13:293
71370rcu_preempt0-21swapper/311:13:293
71370rcu_preempt0-21swapper/311:13:293
71370rcu_preempt0-21swapper/210:22:232
71370rcu_preempt0-21swapper/210:22:232
71370rcu_preempt0-21swapper/210:22:232
71370rcu_preempt0-21swapper/109:44:371
71370rcu_preempt0-21swapper/109:44:371
71370rcu_preempt0-21swapper/109:44:371
71370rcu_preempt0-21swapper/109:44:371
71370rcu_preempt0-21swapper/011:38:120
71370rcu_preempt0-21swapper/011:38:120
71370rcu_preempt0-21swapper/010:57:220
71370rcu_preempt0-21swapper/009:47:490
71370rcu_preempt0-21swapper/009:47:490
71370rcu_preempt0-21swapper/008:18:560
71370rcu_preempt0-21swapper/008:18:560
71370rcu_preempt0-21swapper/007:32:080
71370rcu_preempt0-21swapper/007:32:080
71370rcu_preempt0-21swapper/007:32:080
46050370irq/122-QManpo29103-2110:48:550
46050370irq/122-QManpo29103-2110:48:550
46050370irq/122-QManpo21452-2110:48:550
46050370irq/122-QManpo21452-2110:48:550
46050370irq/122-QManpo11253-2110:48:550
46050370irq/122-QManpo11253-2110:48:550
71360rcu_preempt8792-21sh11:57:080
71360rcu_preempt8792-21sh11:57:080
71360rcu_preempt29256-21grep12:32:400
71360rcu_preempt29256-21grep12:32:400
71360rcu_preempt21482-21runrttasks11:21:140
71360rcu_preempt21482-21runrttasks11:21:140
71360rcu_preempt21482-21runrttasks11:21:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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