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2026-05-30 - 05:30
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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 May 30, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2047921360chrt46650irq/116-QMan10:48:553
2047921360chrt46650irq/116-QMan10:48:553
2047921360chrt46650irq/116-QMan10:48:553
2047921360chrt46650irq/116-QMan10:48:553
71630rcu_preempt0-21swapper/000:25:590
71630rcu_preempt0-21swapper/000:25:590
71630rcu_preempt0-21swapper/000:25:590
71570rcu_preempt0-21swapper/222:26:002
71570rcu_preempt0-21swapper/222:26:002
71470rcu_preempt0-21swapper/221:56:282
71470rcu_preempt0-21swapper/221:56:282
2837599474cyclictest0-21swapper/321:03:173
2837599474cyclictest0-21swapper/321:03:173
46050450irq/122-QManpo28248-2110:48:550
46050450irq/122-QManpo28248-2110:48:550
2837599452cyclictest28246-21/usr/sbin/munin00:13:403
2837599452cyclictest28246-21/usr/sbin/munin00:13:403
2837599452cyclictest28246-21/usr/sbin/munin00:13:403
71440rcu_preempt27105-21kworker/2:022:17:582
71440rcu_preempt27105-21kworker/2:022:17:582
71440rcu_preempt27105-21kworker/2:022:17:582
71440rcu_preempt0-21swapper/122:56:201
71440rcu_preempt0-21swapper/122:56:201
71440rcu_preempt0-21swapper/122:56:201
71440rcu_preempt0-21swapper/122:56:201
46250440irq/120-QManpo26989-2110:48:551
46250440irq/120-QManpo26989-2110:48:551
2837599433cyclictest0-21swapper/321:13:533
2837599433cyclictest0-21swapper/321:13:533
2837599432cyclictest4640-21df_inode22:28:213
2837599432cyclictest4640-21df_inode22:28:213
28375994321cyclictest0-21swapper/319:28:303
28375994321cyclictest0-21swapper/319:28:303
2837599431cyclictest18247-21/usr/sbin/munin20:33:203
2837599431cyclictest18247-21/usr/sbin/munin20:33:203
28375994314cyclictest9783-21sendmail-msp20:09:403
28375994314cyclictest9783-21sendmail-msp20:09:403
71420rcu_preempt29255-21diskmemload23:11:070
71420rcu_preempt29255-21diskmemload23:11:070
71420rcu_preempt0-21swapper/021:50:550
71420rcu_preempt0-21swapper/021:50:550
46450420irq/118-QManpo27290-2110:48:552
46450420irq/118-QManpo27290-2110:48:552
46050420irq/122-QManpo19233-10
2837599424cyclictest0-21swapper/321:49:153
2837599424cyclictest0-21swapper/321:49:153
2837599423cyclictest23304-21users20:48:403
2837599423cyclictest23304-21users20:48:403
2837599423cyclictest23304-21users20:48:403
2837599423cyclictest0-21swapper/321:38:203
2837599423cyclictest0-21swapper/321:38:203
71410rcu_preempt16269-21ssh23:50:300
71410rcu_preempt16269-21ssh23:50:300
46050410irq/122-QManpo12827-2110:48:550
46050410irq/122-QManpo12827-2110:48:550
46050410irq/122-QManpo12827-2110:48:550
2837599417cyclictest1567-21sendmail-msp23:41:013
2837599417cyclictest1567-21sendmail-msp23:41:013
2837599417cyclictest1567-21sendmail-msp23:41:013
2837599414cyclictest0-21swapper/321:18:313
2837599414cyclictest0-21swapper/321:18:313
2837599414cyclictest0-21swapper/300:18:323
2837599414cyclictest0-21swapper/300:18:323
2837599414cyclictest0-21swapper/300:18:323
2837599413cyclictest0-21swapper/323:28:063
2837599413cyclictest0-21swapper/323:28:063
2837599412cyclictest3198-21diskstats19:38:233
2837599412cyclictest3198-21diskstats19:38:233
28375994116cyclictest7686-21apt-get21:33:173
28375994116cyclictest7686-21apt-get21:33:173
28375994116cyclictest21533-21ntp_states20:43:313
28375994116cyclictest21533-21ntp_states20:43:313
28375994116cyclictest21533-21ntp_states20:43:313
28375994116cyclictest15273-21ntp_states23:48:323
28375994116cyclictest15273-21ntp_states23:48:323
95952400sleep05277-1kworker/0:1H20:01:080
95952400sleep05277-1kworker/0:1H20:01:080
71400rcu_preempt27507-21sh23:11:132
71400rcu_preempt27507-21sh23:11:132
46050400irq/122-QManpo31362-2110:48:550
46050400irq/122-QManpo31362-2110:48:550
46050400irq/122-QManpo31362-2110:48:550
46050400irq/122-QManpo31362-2110:48:550
46050400irq/122-QManpo21028-2110:48:550
46050400irq/122-QManpo21028-2110:48:550
46050400irq/122-QManpo21028-2110:48:550
2837599404cyclictest0-21swapper/323:31:583
2837599404cyclictest0-21swapper/323:31:583
2837599404cyclictest0-21swapper/323:31:583
2837599403cyclictest0-21swapper/323:35:413
2837599403cyclictest0-21swapper/323:35:413
2837599403cyclictest0-21swapper/322:46:273
2837599403cyclictest0-21swapper/322:46:273
2837599403cyclictest0-21swapper/322:46:273
2837599403cyclictest0-21swapper/322:04:133
2837599403cyclictest0-21swapper/322:04:133
2837599403cyclictest0-21swapper/322:04:133
2837599403cyclictest0-21swapper/321:45:523
2837599403cyclictest0-21swapper/321:45:523
2837599403cyclictest0-21swapper/321:45:523
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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