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2026-07-05 - 08:56
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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 50 highest latencies:
System rack4slot4.osadl.org (updated Sun Jul 05, 2026 00:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71730rcu_preempt0-21swapper/222:33:352
71730rcu_preempt0-21swapper/222:33:352
26501994920cyclictest5516-21awk19:54:100
26501994920cyclictest5516-21awk19:54:100
26501994920cyclictest5516-21awk19:54:100
26501994827cyclictest29232-21df_inode19:23:590
26501994827cyclictest29232-21df_inode19:23:590
26501994827cyclictest29232-21df_inode19:23:590
26501994827cyclictest23777-21df_inode22:09:000
26501994827cyclictest23777-21df_inode22:09:000
26501994827cyclictest23777-21df_inode22:09:000
26501994727cyclictest1730-21/usr/sbin/munin22:29:000
26501994727cyclictest1730-21/usr/sbin/munin22:29:000
26501994725cyclictest14941-21diskstats20:28:590
26501994725cyclictest14941-21diskstats20:28:590
26501994725cyclictest14941-21diskstats20:28:590
26501994724cyclictest27768-21df19:18:580
26501994724cyclictest27768-21df19:18:580
26501994720cyclictest1244-21awk19:39:070
26501994720cyclictest1244-21awk19:39:070
26501994637cyclictest7050-21apt-get22:38:540
26501994637cyclictest7050-21apt-get22:38:540
26501994625cyclictest11228-21ntp_states21:44:170
26501994625cyclictest11228-21ntp_states21:44:170
26501994625cyclictest11228-21ntp_states21:44:170
26501994624cyclictest25106-1ssh23:13:260
26501994624cyclictest25106-1ssh23:13:260
26501994624cyclictest25106-1ssh23:13:260
26501994621cyclictest0-21swapper/000:08:580
26501994621cyclictest0-21swapper/000:08:580
71450rcu_preempt2047-21runrttasks23:30:160
71450rcu_preempt2047-21runrttasks23:30:160
71450rcu_preempt2047-21runrttasks23:30:160
2650399453cyclictest0-21swapper/222:53:142
2650399453cyclictest0-21swapper/222:53:142
2650399453cyclictest0-21swapper/222:53:142
26501994527cyclictest17463-21/usr/sbin/munin20:39:040
26501994527cyclictest17463-21/usr/sbin/munin20:39:040
26501994527cyclictest17463-21/usr/sbin/munin20:39:040
26501994525cyclictest10384-21meminfo22:44:090
26501994525cyclictest10384-21meminfo22:44:090
26501994525cyclictest10384-21meminfo22:44:090
26501994524cyclictest29164-21memory22:19:110
26501994524cyclictest29164-21memory22:19:110
26501994524cyclictest25215-21ntp_states00:14:100
26501994524cyclictest25215-21ntp_states00:14:100
26501994524cyclictest25215-21ntp_states00:14:100
26501994522cyclictest0-21swapper/022:49:240
26501994522cyclictest0-21swapper/022:49:240
26501994522cyclictest0-21swapper/022:49:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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