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2026-09-04 - 19:52
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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 Fri Sep 04, 2026 12:44:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71590rcu_preempt28588-21ssh11:35:042
71590rcu_preempt28588-21ssh11:35:042
1426699493cyclictest0-21swapper/110:16:211
1426699493cyclictest0-21swapper/110:16:211
1426699482cyclictest0-21swapper/112:02:351
1426699482cyclictest0-21swapper/112:02:351
46050470irq/122-QManpo13798-2110:48:550
1426699461cyclictest32746-21ssh11:41:261
1426699461cyclictest32746-21ssh11:41:261
1426699461cyclictest32746-21ssh11:41:261
1426699452cyclictest8801-21munin-run10:59:491
1426699452cyclictest8801-21munin-run10:59:491
1426699443cyclictest0-21swapper/112:29:491
1426699443cyclictest0-21swapper/112:29:491
1426699441cyclictest20601-21meminfo11:20:061
1426699441cyclictest20601-21meminfo11:20:061
14266994419cyclictest27531-21ntp_states12:30:141
14266994419cyclictest27531-21ntp_states12:30:141
14266994419cyclictest27531-21ntp_states12:30:141
71430rcu_preempt23210-21copy09:29:591
71430rcu_preempt23210-21copy09:29:591
1426699433cyclictest0-21swapper/112:14:041
1426699433cyclictest0-21swapper/112:14:041
1426699432cyclictest5312-21irqstats09:55:091
1426699432cyclictest5312-21irqstats09:55:091
1426699431cyclictest32566-21apt-get12:39:581
1426699431cyclictest32566-21apt-get12:39:581
1426699431cyclictest0-21swapper/110:45:571
1426699431cyclictest0-21swapper/110:45:571
71420rcu_preempt0-21swapper/012:44:490
71420rcu_preempt0-21swapper/012:44:490
1426699423cyclictest0-21swapper/111:57:521
1426699423cyclictest0-21swapper/111:57:521
1426699423cyclictest0-21swapper/111:39:471
1426699423cyclictest0-21swapper/111:39:471
1426699423cyclictest0-21swapper/111:00:181
1426699423cyclictest0-21swapper/111:00:181
1426699423cyclictest0-21swapper/110:11:281
1426699423cyclictest0-21swapper/110:11:281
1426699422cyclictest0-21swapper/112:05:431
1426699422cyclictest0-21swapper/112:05:431
1426699414cyclictest0-21swapper/110:27:341
1426699414cyclictest0-21swapper/110:27:341
1426699414cyclictest0-21swapper/110:27:341
1426699414cyclictest0-21swapper/108:50:141
1426699413cyclictest0-21swapper/111:30:121
1426699413cyclictest0-21swapper/111:30:121
1426699412cyclictest32729-21users09:45:181
1426699412cyclictest32729-21users09:45:181
1426699412cyclictest29140-21df09:40:011
1426699412cyclictest29140-21df09:40:011
14266994121cyclictest0-21swapper/108:45:071
14266994121cyclictest0-21swapper/108:45:071
1426699411cyclictest1364-21meminfo08:25:081
1426699411cyclictest1364-21meminfo08:25:081
71400rcu_preempt0-21swapper/212:07:052
71400rcu_preempt0-21swapper/212:07:052
71400rcu_preempt0-21swapper/209:38:552
71400rcu_preempt0-21swapper/209:38:552
71400rcu_preempt0-21swapper/010:45:420
71400rcu_preempt0-21swapper/010:45:420
1426699404cyclictest0-21swapper/112:15:121
1426699404cyclictest0-21swapper/112:15:121
1426699404cyclictest0-21swapper/110:05:071
1426699404cyclictest0-21swapper/110:05:071
1426699403cyclictest0-21swapper/111:26:271
1426699403cyclictest0-21swapper/111:26:271
1426699403cyclictest0-21swapper/111:15:521
1426699403cyclictest0-21swapper/111:15:521
1426699403cyclictest0-21swapper/110:32:291
1426699403cyclictest0-21swapper/110:32:291
1426699402cyclictest26462-21grep07:59:581
1426699402cyclictest26462-21grep07:59:581
1426699402cyclictest2148-21irqstats11:45:101
1426699402cyclictest2148-21irqstats11:45:101
1426699402cyclictest10459-21cut10:04:491
1426699402cyclictest10459-21cut10:04:491
1426699402cyclictest0-21swapper/110:35:001
1426699402cyclictest0-21swapper/110:35:001
1426699401cyclictest26141-21apt-get09:34:581
1426699401cyclictest26141-21apt-get09:34:581
1426699401cyclictest20601-21apt-get09:25:001
1426699401cyclictest20601-21apt-get09:25:001
14266994018cyclictest0-21swapper/109:50:131
14266994018cyclictest0-21swapper/109:50:131
14266994014cyclictest12069-21apt-get09:04:581
14266994014cyclictest12069-21apt-get09:04:581
71390rcu_preempt25195-1192.168.115.40-12:25:242
71390rcu_preempt25195-1192.168.115.40-12:25:242
71390rcu_preempt18935-1kworker/2:1H09:25:282
71390rcu_preempt18935-1kworker/2:1H09:25:282
71390rcu_preempt16745-21apt-get07:25:000
71390rcu_preempt16745-21apt-get07:25:000
71390rcu_preempt0-21swapper/312:33:413
71390rcu_preempt0-21swapper/312:33:413
71390rcu_preempt0-21swapper/312:33:413
71390rcu_preempt0-21swapper/211:04:592
71390rcu_preempt0-21swapper/211:04:592
71390rcu_preempt0-21swapper/210:34:532
71390rcu_preempt0-21swapper/210:21:462
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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