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2026-07-20 - 13:20
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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 Jul 20, 2026 00:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71670rcu_preempt0-21swapper/021:24:300
71670rcu_preempt0-21swapper/021:24:300
71670rcu_preempt0-21swapper/021:24:300
71510rcu_preempt574-21kswapd022:22:392
71510rcu_preempt574-21kswapd022:22:392
71500rcu_preempt0-21swapper/000:23:400
71500rcu_preempt0-21swapper/000:23:400
71500rcu_preempt0-21swapper/000:23:400
277772500chrt46650irq/116-QMan10:48:553
277772500chrt46650irq/116-QMan10:48:553
18085994826cyclictest25689-21memory00:04:280
18085994826cyclictest25689-21memory00:04:280
18085994826cyclictest25689-21memory00:04:280
18085994625cyclictest3104-21/usr/sbin/munin00:24:220
18085994625cyclictest3104-21/usr/sbin/munin00:24:220
18085994625cyclictest3104-21/usr/sbin/munin00:24:220
18085994616cyclictest0-21swapper/022:29:530
18085994616cyclictest0-21swapper/022:29:530
71450rcu_preempt22245-21sh19:17:250
71450rcu_preempt22245-21sh19:17:250
71450rcu_preempt22245-21sh19:17:250
71450rcu_preempt10098-1kworker/0:2H00:39:280
71450rcu_preempt10098-1kworker/0:2H00:39:280
18085994524cyclictest6174-21meminfo22:24:230
18085994524cyclictest6174-21meminfo22:24:230
18085994524cyclictest6174-21meminfo22:24:230
18085994522cyclictest22641-21/usr/sbin/munin23:59:150
18085994522cyclictest22641-21/usr/sbin/munin23:59:150
18085994522cyclictest22641-21/usr/sbin/munin23:59:150
18085994522cyclictest10573-21sh00:38:500
18085994522cyclictest10573-21sh00:38:500
18085994522cyclictest10573-21sh00:38:500
18085994521cyclictest0-21swapper/021:48:330
18085994521cyclictest0-21swapper/021:48:330
18085994521cyclictest0-21swapper/021:48:330
18085994521cyclictest0-21swapper/019:34:170
18085994521cyclictest0-21swapper/019:34:170
18085994521cyclictest0-21swapper/019:34:170
18085994520cyclictest14789-1kworker/0:1H23:44:210
18085994520cyclictest14789-1kworker/0:1H23:44:210
71440rcu_preempt17694-21Run19:13:550
18085994424cyclictest7325-21apt-get19:39:130
18085994424cyclictest7325-21apt-get19:39:130
18085994423cyclictest17448-21meminfo20:14:220
18085994423cyclictest17448-21meminfo20:14:220
18085994423cyclictest17448-21meminfo20:14:220
18085994421cyclictest0-21swapper/023:24:300
18085994421cyclictest0-21swapper/023:24:300
18085994324cyclictest25648-21diskstats20:44:180
18085994324cyclictest25648-21diskstats20:44:180
18085994324cyclictest25648-21diskstats20:44:180
18085994323cyclictest29524-21ntp_states23:09:300
18085994323cyclictest29524-21ntp_states23:09:300
18085994323cyclictest29524-21ntp_states23:09:300
18085994323cyclictest12725-21meminfo21:34:230
18085994323cyclictest12725-21meminfo21:34:230
18085994323cyclictest12725-21meminfo21:34:230
18085994322cyclictest1959-21runrttasks23:18:440
18085994322cyclictest1959-21runrttasks23:18:440
18085994322cyclictest1959-21runrttasks23:18:440
18085994322cyclictest1959-21runrttasks23:18:440
18085994321cyclictest3243-21/usr/sbin/munin19:24:140
18085994321cyclictest3243-21/usr/sbin/munin19:24:140
18085994321cyclictest31525-21runrttasks21:04:290
18085994321cyclictest31525-21runrttasks21:04:290
18085994321cyclictest31525-21runrttasks21:04:290
18085994321cyclictest29885-21ssh00:13:090
18085994321cyclictest29885-21ssh00:13:090
18085994321cyclictest0-21swapper/022:14:140
18085994321cyclictest0-21swapper/022:14:140
18085994321cyclictest0-21swapper/022:14:140
18085994320cyclictest27799-21cpu22:04:120
18085994320cyclictest27799-21cpu22:04:120
18085994320cyclictest27799-21cpu22:04:120
18085994320cyclictest0-21swapper/023:55:510
18085994320cyclictest0-21swapper/023:55:510
18085994320cyclictest0-21swapper/019:49:150
18085994320cyclictest0-21swapper/019:49:150
18085994319cyclictest28087-21grep19:19:380
18085994319cyclictest28087-21grep19:19:380
18085994223cyclictest7221-21ntp_states23:29:290
18085994223cyclictest7221-21ntp_states23:29:290
18085994223cyclictest23472-21users21:54:310
18085994223cyclictest23472-21users21:54:310
18085994223cyclictest23472-21users21:54:310
18085994223cyclictest12382-21diskstats23:39:160
18085994223cyclictest12382-21diskstats23:39:160
18085994223cyclictest12382-21diskstats23:39:160
18085994222cyclictest4093-21sh22:20:060
18085994222cyclictest4093-21sh22:20:060
18085994222cyclictest26252-21munin-run23:04:010
18085994222cyclictest26252-21munin-run23:04:010
18085994222cyclictest17981-21sh22:47:260
18085994222cyclictest17981-21sh22:47:260
18085994222cyclictest17981-21sh22:47:260
18085994222cyclictest14440-21df20:04:130
18085994222cyclictest14440-21df20:04:130
18085994222cyclictest14440-21df20:04:130
18085994220cyclictest13190-1kworker/0:1H21:39:150
18085994220cyclictest13190-1kworker/0:1H21:39:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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