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2026-01-04 - 02:08
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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 Sun Jan 04, 2026 00:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71660rcu_preempt0-21swapper/221:57:342
71660rcu_preempt0-21swapper/221:57:342
1700899548cyclictest1158-21cat00:25:550
1700899548cyclictest1158-21cat00:25:550
1700899548cyclictest1158-21cat00:25:550
1700899524cyclictest0-21swapper/022:00:490
1700899524cyclictest0-21swapper/022:00:490
1700899524cyclictest0-21swapper/022:00:490
1700899523cyclictest3237-21df_inode21:40:440
1700899523cyclictest3237-21df_inode21:40:440
1700899523cyclictest3237-21df_inode21:40:440
1700899523cyclictest0-21swapper/020:30:280
1700899523cyclictest0-21swapper/020:30:280
1700899523cyclictest0-21swapper/020:30:280
1700899522cyclictest6150-21apt-get00:35:380
1700899522cyclictest6150-21apt-get00:35:380
1700899522cyclictest6150-21apt-get00:35:380
1700899521cyclictest25078-21/usr/sbin/munin23:15:510
1700899521cyclictest25078-21/usr/sbin/munin23:15:510
1700899521cyclictest25078-21/usr/sbin/munin23:15:510
46050510irq/122-QManpo16035-2110:48:550
46050510irq/122-QManpo16035-2110:48:550
1700899514cyclictest0-21swapper/023:55:440
1700899514cyclictest0-21swapper/023:55:440
1700899514cyclictest0-21swapper/021:22:160
1700899514cyclictest0-21swapper/021:22:160
1700899514cyclictest0-21swapper/020:15:390
1700899514cyclictest0-21swapper/020:15:390
1700899513cyclictest0-21swapper/022:50:510
1700899513cyclictest0-21swapper/022:50:510
1700899513cyclictest0-21swapper/022:30:470
1700899513cyclictest0-21swapper/022:30:470
1700899513cyclictest0-21swapper/022:10:470
1700899513cyclictest0-21swapper/022:10:470
1700899513cyclictest0-21swapper/022:10:470
1700899513cyclictest0-21swapper/020:55:510
1700899513cyclictest0-21swapper/020:55:510
1700899512cyclictest7052-21/usr/sbin/munin23:40:400
1700899512cyclictest7052-21/usr/sbin/munin23:40:400
1700899512cyclictest1369-21apt-get20:10:380
1700899512cyclictest1369-21apt-get20:10:380
1700899512cyclictest11086-21ssh23:46:330
1700899512cyclictest11086-21ssh23:46:330
1700899512cyclictest0-21swapper/020:30:530
1700899512cyclictest0-21swapper/020:30:530
1700899512cyclictest0-21swapper/020:30:530
1700899511cyclictest32486-21/usr/sbin/munin21:35:560
1700899511cyclictest32486-21/usr/sbin/munin21:35:560
1700899511cyclictest31014-21apt-get20:00:400
1700899511cyclictest31014-21apt-get20:00:400
1700899511cyclictest17297-21apt-get22:05:410
1700899511cyclictest17297-21apt-get22:05:410
1700899511cyclictest17297-21apt-get22:05:410
1700899503cyclictest29598-21apt-get21:30:380
1700899503cyclictest29598-21apt-get21:30:380
1700899503cyclictest21663-21irqstats00:05:460
1700899503cyclictest21663-21irqstats00:05:460
1700899503cyclictest16289-21/usr/sbin/munin23:00:280
1700899503cyclictest16289-21/usr/sbin/munin23:00:280
1700899503cyclictest16289-21/usr/sbin/munin23:00:280
1700899503cyclictest16289-21/usr/sbin/munin23:00:280
1700899503cyclictest0-21swapper/022:20:540
1700899503cyclictest0-21swapper/022:20:540
1700899503cyclictest0-21swapper/021:50:460
1700899503cyclictest0-21swapper/021:50:460
1700899503cyclictest0-21swapper/021:50:460
1700899503cyclictest0-21swapper/021:13:430
1700899503cyclictest0-21swapper/021:13:430
1700899503cyclictest0-21swapper/021:05:460
1700899503cyclictest0-21swapper/021:05:460
1700899503cyclictest0-21swapper/020:35:500
1700899503cyclictest0-21swapper/020:35:500
1700899503cyclictest0-21swapper/019:15:400
1700899503cyclictest0-21swapper/019:15:400
1700899503cyclictest0-21swapper/019:15:400
1700899503cyclictest0-21swapper/019:10:450
1700899503cyclictest0-21swapper/019:10:450
1700899503cyclictest0-21swapper/019:10:450
1700899503cyclictest0-21swapper/000:20:490
1700899503cyclictest0-21swapper/000:20:490
1700899503cyclictest0-21swapper/000:18:200
1700899503cyclictest0-21swapper/000:18:200
1700899502cyclictest28938-21users23:21:010
1700899502cyclictest28938-21users23:21:010
1700899502cyclictest23037-21/usr/sbin/munin22:15:550
1700899502cyclictest23037-21/usr/sbin/munin22:15:550
1700899502cyclictest23037-21/usr/sbin/munin22:15:550
1700899502cyclictest15478-21df_inode21:00:420
1700899502cyclictest15478-21df_inode21:00:420
1700899501cyclictest4167-21apt-get23:35:360
1700899501cyclictest4167-21apt-get23:35:360
1700899501cyclictest4167-21apt-get23:35:360
1700899501cyclictest29502-21copy19:55:280
1700899501cyclictest29502-21copy19:55:280
1700899501cyclictest29502-21copy19:55:280
17008995016cyclictest20389-21ssh23:06:140
17008995016cyclictest20389-21ssh23:06:140
71490rcu_preempt27977-21apt-get23:20:403
71490rcu_preempt27977-21apt-get23:20:403
1700899494cyclictest0-21swapper/023:50:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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