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2026-06-04 - 07:41
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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 rackcslot3.osadl.org (updated Thu Jun 04, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81960rcu_preempt21735-21ssh23:30:580
81850rcu_preempt19-21ksoftirqd/121:59:351
89150840irq/17-ehci_hcd945-21usb-storage00:07:261
81820rcu_preempt0-21swapper/120:03:091
81780rcu_preempt19-21ksoftirqd/122:38:471
81760rcu_preempt0-21swapper/122:21:311
81740rcu_preempt9240-21df00:08:140
89550730irq/17-ehci_hcd25720-21/usr/sbin/munin19:08:260
81730rcu_preempt19-21ksoftirqd/123:09:191
81730rcu_preempt0-21swapper/119:08:231
81720rcu_preempt25735-21ntp_states21:38:230
81720rcu_preempt19027-21ssh23:26:100
81710rcu_preempt32644-21sshd22:51:350
81710rcu_preempt0-21swapper/022:36:470
81710rcu_preempt0-21swapper/022:36:470
81710rcu_preempt0-21swapper/000:33:260
81710rcu_preempt0-21swapper/000:13:000
81700rcu_preempt27263-21munin-run00:42:590
81700rcu_preempt26531-21diskmemload22:39:100
81700rcu_preempt0-21swapper/021:54:380
81680rcu_preempt31940-21sh21:49:550
81680rcu_preempt0-21swapper/022:09:370
81670rcu_preempt19-21ksoftirqd/123:13:551
81670rcu_preempt0-21swapper/023:11:330
81670rcu_preempt0-21swapper/022:22:360
81660rcu_preempt17187-21needreboot21:23:170
81660rcu_preempt0-21swapper/023:06:090
81660rcu_preempt0-21swapper/023:02:460
81650rcu_preempt19-21ksoftirqd/122:05:561
81650rcu_preempt0-21swapper/022:05:070
146550650irq/30-eth0-tx-41ktimersoftd/021:29:090
81640rcu_preempt5547-21k10sensors20:23:190
81640rcu_preempt19-21ksoftirqd/123:46:461
81640rcu_preempt19-21ksoftirqd/122:34:011
81640rcu_preempt19-21ksoftirqd/122:34:011
81640rcu_preempt0-21swapper/023:37:420
81640rcu_preempt0-21swapper/022:28:190
81630rcu_preempt19-21ksoftirqd/100:19:271
81630rcu_preempt14217-21munin-run23:18:000
81630rcu_preempt0-21swapper/021:13:220
81630rcu_preempt0-21swapper/000:05:260
81620rcu_preempt0-21swapper/021:33:210
81610rcu_preempt2926-21ssh21:57:011
81610rcu_preempt14387-21apt-get23:18:120
81610rcu_preempt0-21swapper/023:54:560
81610rcu_preempt0-21swapper/022:46:120
81610rcu_preempt0-21swapper/000:23:240
146650610irq/31-eth0-tx-19282-21apt00:28:100
146250610irq/28-eth0-rx-41ktimersoftd/000:22:440
81600rcu_preempt26162-21ssh21:38:351
81590rcu_preempt28144-21munin-run19:17:590
81590rcu_preempt27496-21ssh23:42:051
81590rcu_preempt2634-21ssh23:55:011
81590rcu_preempt24272-21ssh23:35:131
81590rcu_preempt0-21swapper/123:29:171
81590rcu_preempt0-21swapper/122:28:371
81590rcu_preempt0-21swapper/121:29:491
81590rcu_preempt0-21swapper/119:29:071
81590rcu_preempt0-21swapper/100:36:041
81590rcu_preempt0-21swapper/023:52:440
81590rcu_preempt0-21swapper/022:23:110
26881995949cyclictest945-21usb-storage21:52:341
26881995947cyclictest945-21usb-storage23:07:071
81580rcu_preempt13667-21ssh21:15:281
81580rcu_preempt13282-21ssh22:15:211
81580rcu_preempt0-21swapper/123:01:451
81580rcu_preempt0-21swapper/122:56:181
81580rcu_preempt0-21swapper/122:51:311
81580rcu_preempt0-21swapper/122:43:551
81580rcu_preempt0-21swapper/121:35:501
81580rcu_preempt0-21swapper/121:20:551
81580rcu_preempt0-21swapper/121:00:111
81580rcu_preempt0-21swapper/120:43:121
81580rcu_preempt0-21swapper/120:23:121
81580rcu_preempt0-21swapper/119:23:061
81580rcu_preempt0-21swapper/100:11:281
81580rcu_preempt0-21swapper/023:58:020
26881995849cyclictest945-21usb-storage23:23:321
26881995846cyclictest945-21usb-storage00:38:341
81570rcu_preempt5692-21ssh22:02:210
81570rcu_preempt14351-21ssh23:18:011
81570rcu_preempt10229-21ssh22:08:471
81570rcu_preempt0-21swapper/121:45:261
81570rcu_preempt0-21swapper/121:23:471
81570rcu_preempt0-21swapper/120:33:201
81570rcu_preempt0-21swapper/119:56:111
81570rcu_preempt0-21swapper/100:32:571
81570rcu_preempt0-21swapper/100:23:111
81570rcu_preempt0-21swapper/023:41:580
81570rcu_preempt0-21swapper/022:14:540
81570rcu_preempt0-21swapper/020:12:590
81570rcu_preempt0-21swapper/019:43:180
26881995747cyclictest945-21usb-storage00:13:471
26881995746cyclictest945-21usb-storage23:49:141
81560rcu_preempt3688-21ssh23:58:041
81560rcu_preempt18400-21ssh22:23:561
81560rcu_preempt0-21swapper/120:38:511
81550rcu_preempt29771-21ssh23:45:350
81550rcu_preempt2192-21snmpd19:55:400
81550rcu_preempt0-21swapper/121:04:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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