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2026-04-27 - 18:15
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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 Apr 27, 2026 12:44:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71720rcu_preempt0-21swapper/310:58:123
71720rcu_preempt0-21swapper/310:58:123
71710rcu_preempt0-21swapper/311:19:503
71710rcu_preempt0-21swapper/311:19:503
71710rcu_preempt0-21swapper/311:19:503
1586399463cyclictest0-21swapper/309:26:133
1586399463cyclictest0-21swapper/309:26:133
1586399463cyclictest0-21swapper/309:26:133
46650450irq/116-QManpo15734-2110:48:553
46650450irq/116-QManpo15734-2110:48:553
1586199459cyclictest0-21swapper/110:22:371
1586199459cyclictest0-21swapper/110:22:371
46050440irq/122-QManpo2819-2110:48:550
46050440irq/122-QManpo2819-2110:48:550
46050440irq/122-QManpo0-210
46050440irq/122-QManpo0-210
1586399446cyclictest11179-21sort08:52:333
1586399446cyclictest11179-21sort08:52:333
1586399442cyclictest22655-21meminfo10:22:543
1586399442cyclictest22655-21meminfo10:22:543
1586399442cyclictest22655-21meminfo10:22:543
15863994419cyclictest23281-21ssh12:23:333
15863994419cyclictest23281-21ssh12:23:333
15863994419cyclictest23281-21ssh12:23:333
15863994418cyclictest25822-21ntp_states09:27:583
15863994418cyclictest25822-21ntp_states09:27:583
15863994418cyclictest25822-21ntp_states09:27:583
15861994422cyclictest26197-21users09:28:031
15861994422cyclictest26197-21users09:28:031
15861994422cyclictest26197-21users09:28:031
15861994416cyclictest0-21swapper/112:13:001
15861994416cyclictest0-21swapper/112:13:001
1586399434cyclictest0-21swapper/310:12:583
1586399434cyclictest0-21swapper/310:12:583
1586399433cyclictest14261-21df09:02:463
1586399433cyclictest14261-21df09:02:463
1586399433cyclictest14261-21df09:02:463
1586399433cyclictest0-21swapper/310:33:373
1586399433cyclictest0-21swapper/310:33:373
1586399433cyclictest0-21swapper/310:33:373
1586399432cyclictest3203-21/usr/sbin/munin11:47:533
1586399432cyclictest3203-21/usr/sbin/munin11:47:533
1586399432cyclictest3203-21/usr/sbin/munin11:47:533
15863994317cyclictest3274-21ssh09:46:583
15863994317cyclictest3274-21ssh09:46:583
15863994317cyclictest18576-21date07:22:353
15863994317cyclictest18576-21date07:22:353
15863994317cyclictest18576-21date07:22:353
15861994317cyclictest5833-21/usr/sbin/munin10:53:041
15861994317cyclictest5833-21/usr/sbin/munin10:53:041
15861994312cyclictest0-21swapper/111:33:271
15861994312cyclictest0-21swapper/111:33:271
71420rcu_preempt0-21swapper/111:49:531
71420rcu_preempt0-21swapper/111:49:531
71420rcu_preempt0-21swapper/111:49:531
1586399424cyclictest0-21swapper/310:09:483
1586399424cyclictest0-21swapper/310:09:483
1586399424cyclictest0-21swapper/310:09:483
1586399423cyclictest6651-21meminfo09:52:563
1586399423cyclictest6651-21meminfo09:52:563
1586399423cyclictest6651-21meminfo09:52:563
1586399423cyclictest6651-21meminfo09:52:563
1586399423cyclictest0-21swapper/311:57:013
1586399423cyclictest0-21swapper/311:57:013
1586399423cyclictest0-21swapper/309:58:103
1586399423cyclictest0-21swapper/309:58:103
1586399423cyclictest0-21swapper/309:58:103
1586399422cyclictest629-1wget10:42:463
1586399422cyclictest629-1wget10:42:463
1586399422cyclictest629-1wget10:42:463
1586399422cyclictest1637-21ssh11:43:223
1586399422cyclictest1637-21ssh11:43:223
15863994217cyclictest0-21swapper/311:08:173
15863994217cyclictest0-21swapper/311:08:173
15863994216cyclictest311-21latency_hist12:42:363
15863994216cyclictest311-21latency_hist12:42:363
15863994216cyclictest25025-21diskstats12:27:473
15863994216cyclictest25025-21diskstats12:27:473
15863994216cyclictest25025-21diskstats12:27:473
71410rcu_preempt0-21swapper/210:58:012
71410rcu_preempt0-21swapper/210:58:012
46050410irq/122-QManpo19724-2110:48:550
46050410irq/122-QManpo19724-2110:48:550
1586399413cyclictest18645-21ssh12:16:103
1586399413cyclictest18645-21ssh12:16:103
1586399413cyclictest0-21swapper/311:30:353
1586399413cyclictest0-21swapper/311:30:353
1586399413cyclictest0-21swapper/311:30:353
1586399413cyclictest0-21swapper/310:51:203
1586399413cyclictest0-21swapper/310:51:203
1586399413cyclictest0-21swapper/310:51:203
1586399413cyclictest0-21swapper/310:19:063
1586399413cyclictest0-21swapper/310:19:063
1586399412cyclictest30191-21meminfo08:02:533
1586399412cyclictest30191-21meminfo08:02:533
1586399412cyclictest11592-21df11:02:473
1586399412cyclictest11592-21df11:02:473
1586399412cyclictest11592-21df11:02:473
15861994118cyclictest24824-21/usr/sbin/munin10:27:581
15861994118cyclictest24824-21/usr/sbin/munin10:27:581
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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