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2026-07-01 - 17:42
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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 Wed Jul 01, 2026 12:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71630rcu_preempt0-21swapper/309:25:153
71630rcu_preempt0-21swapper/309:25:153
71630rcu_preempt0-21swapper/309:25:153
71560rcu_preempt0-21swapper/009:51:370
71560rcu_preempt0-21swapper/009:51:370
71560rcu_preempt0-21swapper/009:51:370
71510rcu_preempt0-21swapper/212:20:352
71510rcu_preempt0-21swapper/212:20:352
71500rcu_preempt0-21swapper/211:00:462
71500rcu_preempt0-21swapper/211:00:462
71500rcu_preempt0-21swapper/211:00:462
27112995020cyclictest12553-21diskstats08:18:550
27112995020cyclictest12553-21diskstats08:18:550
71480rcu_preempt0-21swapper/312:19:153
71480rcu_preempt0-21swapper/312:19:153
27112994825cyclictest24416-21apt-get12:18:520
27112994825cyclictest24416-21apt-get12:18:520
27112994825cyclictest14442-1kworker/0:0H10:59:010
27112994825cyclictest14442-1kworker/0:0H10:59:010
27112994825cyclictest14442-1kworker/0:0H10:59:010
27112994726cyclictest6948-21diskstats11:43:590
27112994726cyclictest6948-21diskstats11:43:590
27112994726cyclictest6948-21diskstats11:43:590
27112994725cyclictest16675-21df08:33:550
27112994725cyclictest16675-21df08:33:550
27112994721cyclictest20573-21sh10:03:300
27112994721cyclictest20573-21sh10:03:300
27112994721cyclictest20573-21sh10:03:300
27112994627cyclictest28319-21ssh12:25:250
27112994627cyclictest28319-21ssh12:25:250
27112994627cyclictest28319-21ssh12:25:250
27112994626cyclictest1959-21runrttasks08:10:400
27112994626cyclictest1959-21runrttasks08:10:400
27112994626cyclictest1959-21runrttasks08:10:400
27112994625cyclictest8467-21irqstats08:04:000
27112994625cyclictest8467-21irqstats08:04:000
27112994625cyclictest8467-21irqstats08:04:000
27112994625cyclictest20978-21ssh12:11:180
27112994625cyclictest20978-21ssh12:11:180
27112994625cyclictest18598-21/usr/sbin/munin11:04:070
27112994625cyclictest18598-21/usr/sbin/munin11:04:070
27112994625cyclictest18598-21/usr/sbin/munin11:04:070
27112994624cyclictest25662-21apt-get10:13:520
27112994622cyclictest3297-21sed10:34:050
27112994622cyclictest3297-21sed10:34:050
27112994622cyclictest3297-21sed10:34:050
27112994622cyclictest3297-21sed10:34:050
27112994524cyclictest895-21munin-run11:33:410
27112994524cyclictest895-21munin-run11:33:410
27112994524cyclictest895-21munin-run11:33:410
27112994524cyclictest23256-21ssh12:15:310
27112994524cyclictest23256-21ssh12:15:310
27112994524cyclictest23256-21ssh12:15:310
27112994523cyclictest30199-21apt-get09:18:530
27112994523cyclictest30199-21apt-get09:18:530
27112994523cyclictest30199-21apt-get09:18:530
27112994523cyclictest18215-21sed08:39:010
27112994523cyclictest18215-21sed08:39:010
27112994519cyclictest9133-21sendmail-msp11:13:450
27112994519cyclictest9133-21sendmail-msp11:13:450
27112994519cyclictest9133-21sendmail-msp11:13:450
27112994517cyclictest25637-21apt-get11:18:520
27112994517cyclictest25637-21apt-get11:18:520
27112994517cyclictest25637-21apt-get11:18:520
71440rcu_preempt0-21swapper/308:34:053
71440rcu_preempt0-21swapper/308:34:053
71440rcu_preempt0-21swapper/207:40:422
71440rcu_preempt0-21swapper/207:40:422
27112994424cyclictest5968-21ntp_states09:34:140
27112994424cyclictest5968-21ntp_states09:34:140
27112994424cyclictest5968-21ntp_states09:34:140
27112994424cyclictest29930-21ntp_states07:24:050
27112994424cyclictest29930-21ntp_states07:24:050
27112994423cyclictest22984-21sh10:08:110
27112994423cyclictest22984-21sh10:08:110
27112994423cyclictest22984-21sh10:08:110
27112994423cyclictest22984-21sh10:08:110
27112994423cyclictest19773-21/usr/sbin/munin08:44:040
27112994423cyclictest19773-21/usr/sbin/munin08:44:040
27112994423cyclictest1661-21ntp_states11:34:040
27112994423cyclictest1661-21ntp_states11:34:040
27112994423cyclictest1661-21ntp_states11:34:040
27112994423cyclictest11440-21ntp_states08:14:050
27112994423cyclictest11440-21ntp_states08:14:050
27112994422cyclictest9729-21ssh10:47:160
27112994422cyclictest9729-21ssh10:47:160
27112994422cyclictest9729-21ssh10:47:160
27112994422cyclictest926-21sed10:29:080
27112994422cyclictest926-21sed10:29:080
27112994422cyclictest926-21sed10:29:080
27112994422cyclictest26680-21sh10:14:240
27112994422cyclictest26680-21sh10:14:240
27112994422cyclictest26680-21sh10:14:240
27112994422cyclictest0-21swapper/008:24:040
27112994422cyclictest0-21swapper/008:24:040
27112994422cyclictest0-21swapper/008:24:040
27112994421cyclictest32708-21ntp_states07:34:040
27112994421cyclictest32708-21ntp_states07:34:040
27112994421cyclictest32708-21ntp_states07:34:040
27112994421cyclictest23460-21apt-get08:58:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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