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2025-12-29 - 13:29
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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 Dec 29, 2025 00:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71860rcu_preempt0-21swapper/222:50:292
71860rcu_preempt0-21swapper/222:50:292
249872830sleep346650irq/116-QMan10:48:553
249872830sleep346650irq/116-QMan10:48:553
71780rcu_preempt24506-1kworker/3:1H22:20:513
71780rcu_preempt24506-1kworker/3:1H22:20:513
71660rcu_preempt0-21swapper/223:07:162
71660rcu_preempt0-21swapper/223:07:162
71650rcu_preempt0-21swapper/221:50:292
71650rcu_preempt0-21swapper/221:50:292
71500rcu_preempt0-21swapper/123:07:011
71500rcu_preempt0-21swapper/123:07:011
71480rcu_preempt0-21swapper/320:25:303
71480rcu_preempt0-21swapper/320:25:303
71480rcu_preempt0-21swapper/100:25:221
71480rcu_preempt0-21swapper/100:25:221
71480rcu_preempt0-21swapper/020:55:280
71480rcu_preempt0-21swapper/020:55:280
71470rcu_preempt23632-21/usr/sbin/munin23:15:421
71470rcu_preempt23632-21/usr/sbin/munin23:15:421
71470rcu_preempt23632-21/usr/sbin/munin23:15:421
46050450irq/122-QManpo16445-2110:48:550
46050450irq/122-QManpo16445-2110:48:550
15484994421cyclictest23022-21df_inode00:10:383
15484994421cyclictest23022-21df_inode00:10:383
15484994421cyclictest15203-21chrt21:05:363
15484994421cyclictest15203-21chrt21:05:363
15484994421cyclictest15203-21chrt21:05:363
15484994421cyclictest11310-21/usr/sbin/munin23:50:493
15484994421cyclictest11310-21/usr/sbin/munin23:50:493
15484994323cyclictest5781-21df23:40:353
15484994323cyclictest5781-21df23:40:353
15484994323cyclictest5781-21df23:40:353
15484994321cyclictest13980-21df21:00:373
15484994321cyclictest13980-21df21:00:373
71420rcu_preempt9833-21ssh22:50:420
71420rcu_preempt9833-21ssh22:50:420
71420rcu_preempt6314-1kworker/0:1H22:55:450
71420rcu_preempt6314-1kworker/0:1H22:55:450
15484994224cyclictest1959-21runrttasks20:33:323
15484994224cyclictest1959-21runrttasks20:33:323
15484994223cyclictest1959-21runrttasks20:51:243
15484994223cyclictest1959-21runrttasks20:51:243
15484994222cyclictest1959-21runrttasks19:36:553
15484994222cyclictest1959-21runrttasks19:36:553
15484994222cyclictest1959-21runrttasks19:36:553
15484994221cyclictest16314-21memory22:05:433
15484994221cyclictest16314-21memory22:05:433
71410rcu_preempt0-21swapper/322:39:303
71410rcu_preempt0-21swapper/322:39:303
71410rcu_preempt0-21swapper/122:57:381
71410rcu_preempt0-21swapper/122:57:381
46050410irq/122-QManpo0-210
46050410irq/122-QManpo0-210
15484994122cyclictest30452-21df_inode22:30:353
15484994122cyclictest30452-21df_inode22:30:353
15484994122cyclictest27322-21/usr/sbin/munin22:25:433
15484994122cyclictest27322-21/usr/sbin/munin22:25:433
15484994122cyclictest27322-21/usr/sbin/munin22:25:433
15484994122cyclictest21601-21/usr/sbin/munin22:15:473
15484994122cyclictest21601-21/usr/sbin/munin22:15:473
15484994122cyclictest13941-21users22:00:513
15484994122cyclictest13941-21users22:00:513
15484994122cyclictest13941-21users22:00:513
15484994121cyclictest346-21ssh00:27:103
15484994121cyclictest346-21ssh00:27:103
15484994121cyclictest346-21ssh00:27:103
15484994121cyclictest28365-21sed21:30:353
15484994121cyclictest28365-21sed21:30:353
15484994119cyclictest10736-21/usr/sbin/munin21:55:473
15484994119cyclictest10736-21/usr/sbin/munin21:55:473
15484994116cyclictest0-21swapper/322:40:493
15484994116cyclictest0-21swapper/322:40:493
71400rcu_preempt28175-21ssh21:30:330
71400rcu_preempt28175-21ssh21:30:330
71400rcu_preempt18308-21ssh00:01:420
71400rcu_preempt18308-21ssh00:01:420
71400rcu_preempt0-21swapper/223:59:572
71400rcu_preempt0-21swapper/223:59:572
71400rcu_preempt0-21swapper/223:59:572
71400rcu_preempt0-21swapper/223:22:482
71400rcu_preempt0-21swapper/223:22:482
71400rcu_preempt0-21swapper/223:22:482
71400rcu_preempt0-21swapper/222:30:222
71400rcu_preempt0-21swapper/222:30:222
71400rcu_preempt0-21swapper/222:30:222
71400rcu_preempt0-21swapper/222:20:432
71400rcu_preempt0-21swapper/222:20:432
71400rcu_preempt0-21swapper/122:13:321
71400rcu_preempt0-21swapper/122:13:321
71400rcu_preempt0-21swapper/100:29:451
71400rcu_preempt0-21swapper/100:29:451
71400rcu_preempt0-21swapper/100:29:451
46050400irq/122-QManpo31038-2110:48:550
46050400irq/122-QManpo31038-2110:48:550
15484994022cyclictest1959-21runrttasks20:41:373
15484994022cyclictest1959-21runrttasks20:41:373
15484994022cyclictest1959-21runrttasks20:41:373
15484994022cyclictest19537-21apt-get21:15:313
15484994022cyclictest19537-21apt-get21:15:313
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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