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2026-07-05 - 22:20
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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 Jul 05, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2654999621cyclictest27188-21diskmemload12:09:102
2654999621cyclictest27188-21diskmemload12:09:102
71480rcu_preempt0-21swapper/010:50:590
71480rcu_preempt0-21swapper/010:50:590
71480rcu_preempt0-21swapper/010:50:590
2654999471cyclictest8187-21sendmail-msp11:44:062
2654999471cyclictest8187-21sendmail-msp11:44:062
2654999461cyclictest19560-21kworker/u8:107:49:132
2654999461cyclictest19560-21kworker/u8:107:49:132
71450rcu_preempt29788-21/usr/sbin/munin11:23:572
71450rcu_preempt29788-21/usr/sbin/munin11:23:572
71450rcu_preempt0-21swapper/311:58:453
71450rcu_preempt0-21swapper/311:58:453
71450rcu_preempt0-21swapper/311:58:453
71450rcu_preempt0-21swapper/110:55:081
71450rcu_preempt0-21swapper/110:55:081
71450rcu_preempt0-21swapper/110:55:081
2654999454cyclictest0-21swapper/212:43:472
2654999454cyclictest0-21swapper/212:43:472
26549994516cyclictest12557-21ntp_states08:19:092
26549994516cyclictest12557-21ntp_states08:19:092
71440rcu_preempt27202-21ssh11:18:570
71440rcu_preempt27202-21ssh11:18:570
71440rcu_preempt27202-21ssh11:18:570
71440rcu_preempt0-21swapper/008:44:000
71440rcu_preempt0-21swapper/008:44:000
2654999444cyclictest0-21swapper/210:38:582
2654999444cyclictest0-21swapper/210:38:582
2654999444cyclictest0-21swapper/208:48:572
2654999444cyclictest0-21swapper/208:48:572
2654999444cyclictest0-21swapper/208:48:572
2654999443cyclictest5222-21ntp_states09:34:102
2654999443cyclictest5222-21ntp_states09:34:102
2654999443cyclictest5222-21ntp_states09:34:102
2654999434cyclictest0-21swapper/210:34:132
2654999434cyclictest0-21swapper/210:34:132
2654999432cyclictest2725-21/usr/sbin/munin11:34:142
2654999432cyclictest2725-21/usr/sbin/munin11:34:142
2654999431cyclictest2164-21apt-get07:44:142
2654999431cyclictest2164-21apt-get07:44:142
2654999431cyclictest2164-21apt-get07:44:142
2654999431cyclictest2164-21apt-get07:44:142
26549994318cyclictest9512-21df_inode08:08:592
26549994318cyclictest9512-21df_inode08:08:592
71420rcu_preempt19560-1kworker/u8:112:34:142
71420rcu_preempt19560-1kworker/u8:112:34:142
71420rcu_preempt1315-21apt-get12:34:073
71420rcu_preempt1315-21apt-get12:34:073
71420rcu_preempt0-21swapper/112:13:411
71420rcu_preempt0-21swapper/112:13:411
71420rcu_preempt0-21swapper/110:29:001
71420rcu_preempt0-21swapper/110:29:001
2654999424cyclictest0-21swapper/209:42:122
2654999424cyclictest0-21swapper/209:42:122
2654999424cyclictest0-21swapper/209:42:122
2654999423cyclictest5610-21ntp_states07:54:072
2654999423cyclictest5610-21ntp_states07:54:072
2654999423cyclictest5610-21ntp_states07:54:072
2654999423cyclictest18630-21wget12:03:572
2654999423cyclictest18630-21wget12:03:572
2654999423cyclictest18630-21wget12:03:572
2654999423cyclictest0-21swapper/209:23:512
2654999423cyclictest0-21swapper/209:23:512
2654999423cyclictest0-21swapper/209:23:512
2654999422cyclictest813-21/usr/sbin/munin10:29:122
2654999422cyclictest813-21/usr/sbin/munin10:29:122
2654999422cyclictest27448-21diskstats11:19:002
2654999422cyclictest27448-21diskstats11:19:002
2654999422cyclictest27448-21diskstats11:19:002
2654999422cyclictest21683-21ssh10:05:012
2654999422cyclictest21683-21ssh10:05:012
2654999422cyclictest21683-21ssh10:05:012
2654999421cyclictest26068-21sshd12:18:532
71410rcu_preempt0-21swapper/210:15:052
71410rcu_preempt0-21swapper/210:15:052
71410rcu_preempt0-21swapper/210:15:052
46450410irq/118-QManpo0-2110:48:552
2654999414cyclictest0-21swapper/211:38:562
2654999414cyclictest0-21swapper/211:38:562
2654999414cyclictest0-21swapper/210:03:462
2654999414cyclictest0-21swapper/210:03:462
2654999414cyclictest0-21swapper/210:03:462
2654999413cyclictest10969-21irqstats08:14:042
2654999413cyclictest10969-21irqstats08:14:042
2654999413cyclictest10969-21irqstats08:14:042
2654999413cyclictest0-21swapper/212:19:152
2654999413cyclictest0-21swapper/212:19:152
2654999413cyclictest0-21swapper/212:19:152
2654999413cyclictest0-21swapper/210:48:462
2654999413cyclictest0-21swapper/210:48:462
2654999413cyclictest0-21swapper/210:48:462
2654999413cyclictest0-21swapper/209:28:452
2654999413cyclictest0-21swapper/209:28:452
2654999413cyclictest0-21swapper/209:28:452
2654999412cyclictest6486-21/usr/sbin/munin07:59:072
2654999412cyclictest6486-21/usr/sbin/munin07:59:072
2654999412cyclictest23386-21diskstats08:59:012
2654999412cyclictest23386-21diskstats08:59:012
2654999412cyclictest23386-21diskstats08:59:012
2654999412cyclictest22262-21df11:08:592
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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