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2026-06-14 - 07:22
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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 Jun 14, 2026 00:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71700rcu_preempt0-21swapper/322:26:273
71700rcu_preempt0-21swapper/322:26:273
71700rcu_preempt0-21swapper/322:26:273
71700rcu_preempt0-21swapper/022:07:550
71700rcu_preempt0-21swapper/022:07:550
46050580irq/122-QManpo26330-2110:48:550
46050580irq/122-QManpo26330-2110:48:550
2751199563cyclictest11815-21apt-get20:13:332
2751199563cyclictest11815-21apt-get20:13:332
2751199563cyclictest11815-21apt-get20:13:332
27509995423cyclictest15532-1kworker/0:0H23:55:090
27509995423cyclictest15532-1kworker/0:0H23:55:090
27509995423cyclictest15532-1kworker/0:0H23:55:090
71530rcu_preempt0-21swapper/122:14:401
71530rcu_preempt0-21swapper/122:14:401
2750999534cyclictest0-21swapper/021:18:240
2750999534cyclictest0-21swapper/021:18:240
2750999534cyclictest0-21swapper/021:18:240
27509995320cyclictest27271-21/usr/sbin/munin22:13:360
27509995320cyclictest27271-21/usr/sbin/munin22:13:360
27509995316cyclictest12659-21users23:48:550
27509995316cyclictest12659-21users23:48:550
27509995316cyclictest12659-21users23:48:550
2750999522cyclictest14669-21meminfo21:48:450
2750999522cyclictest14669-21meminfo21:48:450
2750999522cyclictest14669-21meminfo21:48:450
2750999521cyclictest32223-21/usr/sbin/munin22:23:330
2750999521cyclictest32223-21/usr/sbin/munin22:23:330
2750999521cyclictest32223-21/usr/sbin/munin22:23:330
2750999521cyclictest29882-21apt-get00:23:350
2750999521cyclictest29882-21apt-get00:23:350
2750999521cyclictest29882-21apt-get00:23:350
2750999513cyclictest24513-21apt-get22:08:330
2750999513cyclictest24513-21apt-get22:08:330
2750999513cyclictest24513-21apt-get22:08:330
2750999511cyclictest24748-21apt-get00:13:380
2750999511cyclictest24748-21apt-get00:13:380
2750999511cyclictest24748-21apt-get00:13:380
27509995118cyclictest0-21swapper/021:29:240
27509995118cyclictest0-21swapper/021:29:240
27509995118cyclictest0-21swapper/021:29:240
2750999503cyclictest46050irq/122-QMan10:48:550
2750999503cyclictest46050irq/122-QMan10:48:550
2750999503cyclictest23298-21apt-get23:08:330
2750999503cyclictest23298-21apt-get23:08:330
2750999503cyclictest23298-21apt-get23:08:330
2750999503cyclictest0-21swapper/019:48:530
2750999503cyclictest0-21swapper/019:48:530
2750999502cyclictest31547-21df_inode23:23:400
2750999502cyclictest31547-21df_inode23:23:400
2750999502cyclictest31547-21df_inode23:23:400
2750999502cyclictest17541-21df20:33:370
2750999502cyclictest17541-21df20:33:370
2750999502cyclictest12213-21meminfo20:13:430
2750999502cyclictest12213-21meminfo20:13:430
2750999502cyclictest12213-21meminfo20:13:430
2750999501cyclictest3481-21/usr/sbin/munin19:43:430
2750999501cyclictest3481-21/usr/sbin/munin19:43:430
2750999501cyclictest3481-21/usr/sbin/munin19:43:430
2750999501cyclictest22720-1kworker/0:2H23:07:150
2750999501cyclictest22720-1kworker/0:2H23:07:150
2750999501cyclictest22720-1kworker/0:2H23:07:150
2750999501cyclictest22168-21apt-get00:08:360
2750999501cyclictest22168-21apt-get00:08:360
2750999501cyclictest22168-21apt-get00:08:360
2750999501cyclictest14603-21apt-get20:23:350
2750999501cyclictest14603-21apt-get20:23:350
27509995016cyclictest27286-21apt-get00:18:340
27509995016cyclictest27286-21apt-get00:18:340
27509995016cyclictest27286-21apt-get00:18:340
27509995015cyclictest32446-21apt-get00:28:340
27509995015cyclictest32446-21apt-get00:28:340
2750999494cyclictest0-21swapper/019:18:450
2750999494cyclictest0-21swapper/019:18:450
2750999493cyclictest30532-21df_inode19:23:370
2750999493cyclictest30532-21df_inode19:23:370
2750999493cyclictest30532-21df_inode19:23:370
2750999493cyclictest21768-21df_inode20:48:370
2750999493cyclictest21768-21df_inode20:48:370
2750999492cyclictest27431-21irqstats21:08:430
2750999492cyclictest27431-21irqstats21:08:430
2750999492cyclictest22927-21apt-get20:53:350
2750999492cyclictest22927-21apt-get20:53:350
2750999492cyclictest20090-21meminfo00:03:490
2750999492cyclictest20090-21meminfo00:03:490
2750999492cyclictest20090-21meminfo00:03:490
2750999491cyclictest9069-21aten_r4power_cu20:03:340
2750999491cyclictest9069-21aten_r4power_cu20:03:340
2750999491cyclictest31690-21apt-get19:28:330
2750999491cyclictest31690-21apt-get19:28:330
2750999491cyclictest19389-21apt-get21:58:370
2750999491cyclictest19389-21apt-get21:58:370
2750999491cyclictest19389-21apt-get21:58:370
2750999491cyclictest1623-21/usr/sbin/munin21:23:420
2750999491cyclictest1623-21/usr/sbin/munin21:23:420
2750999491cyclictest1623-21/usr/sbin/munin21:23:420
27509994917cyclictest1958-21snmpd21:05:570
27509994917cyclictest1958-21snmpd21:05:570
27509994917cyclictest1958-21snmpd21:05:570
27509994915cyclictest17019-21df23:58:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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