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2025-11-29 - 08:30
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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 Sat Nov 29, 2025 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81770rcu_preempt0-21swapper/123:44:461
81720rcu_preempt0-21swapper/119:07:091
81710rcu_preempt18591-21sh23:58:561
81710rcu_preempt10998-21switchtime21:40:131
81700rcu_preempt24577-21sh23:08:550
81690rcu_preempt22639-21fw_conntrack23:05:041
81690rcu_preempt0-21swapper/100:15:021
81690rcu_preempt0-21swapper/021:20:130
81690rcu_preempt0-21swapper/000:06:190
81680rcu_preempt0-21swapper/122:25:011
81680rcu_preempt0-21swapper/023:34:380
81680rcu_preempt0-21swapper/022:30:150
81680rcu_preempt0-21swapper/019:30:060
81670rcu_preempt2973-21sshd23:29:391
81670rcu_preempt27365-21sh23:14:301
81670rcu_preempt25043-21ssh22:07:561
81670rcu_preempt0-21swapper/123:34:481
81670rcu_preempt0-21swapper/021:30:350
81660rcu_preempt3913-21apt-get00:34:591
81660rcu_preempt2991-21latency_hist19:39:480
81660rcu_preempt2699-21processes21:25:110
81660rcu_preempt25727-21diskmemload23:46:101
81660rcu_preempt0-21swapper/122:39:451
81660rcu_preempt0-21swapper/100:25:401
81660rcu_preempt0-21swapper/100:22:301
81660rcu_preempt0-21swapper/022:05:040
81650rcu_preempt0-21swapper/122:15:071
81650rcu_preempt0-21swapper/121:50:241
81650rcu_preempt0-21swapper/100:30:071
81640rcu_preempt0-21swapper/123:02:351
81640rcu_preempt0-21swapper/122:30:481
81640rcu_preempt0-21swapper/100:00:491
81640rcu_preempt0-21swapper/021:16:180
81630rcu_preempt9942-21ntpq22:40:091
81630rcu_preempt0-21swapper/122:55:151
81630rcu_preempt0-21swapper/000:34:250
81630rcu_preempt0-21swapper/000:20:040
81620rcu_preempt29417-21ssh23:17:290
81620rcu_preempt0-21swapper/123:21:301
81620rcu_preempt0-21swapper/122:45:311
81620rcu_preempt0-21swapper/121:27:391
81620rcu_preempt0-21swapper/121:14:421
81620rcu_preempt0-21swapper/119:22:271
81620rcu_preempt0-21swapper/022:00:050
81620rcu_preempt0-21swapper/021:55:020
81620rcu_preempt0-21swapper/019:45:000
81610rcu_preempt18123-21sshd20:37:091
81610rcu_preempt0-21swapper/123:35:421
81610rcu_preempt0-21swapper/120:34:481
81610rcu_preempt0-21swapper/100:10:051
81610rcu_preempt0-21swapper/022:55:580
81610rcu_preempt0-21swapper/021:40:090
81610rcu_preempt0-21swapper/019:10:130
81600rcu_preempt5911-21ssh21:31:201
81600rcu_preempt29302-21ssh23:17:021
81600rcu_preempt22953-21ssh00:05:481
81600rcu_preempt22480-21ssh22:03:081
81600rcu_preempt1025-21ssh22:24:421
81600rcu_preempt0-21swapper/121:00:051
81600rcu_preempt0-21swapper/119:55:031
81600rcu_preempt0-21swapper/020:00:040
81600rcu_preempt0-21swapper/000:36:300
81590rcu_preempt9985-1kworker/1:0H21:19:141
81590rcu_preempt359-21ssh21:20:391
81590rcu_preempt19860-21ssh21:58:061
81590rcu_preempt14992-21ssh23:50:181
81590rcu_preempt0-21swapper/120:15:091
81590rcu_preempt0-21swapper/023:54:480
81590rcu_preempt0-21swapper/023:47:430
81580rcu_preempt7163-21/usr/sbin/munin21:35:071
81580rcu_preempt16531-21ssh22:53:091
81580rcu_preempt10723-21ssh23:44:010
81580rcu_preempt0-21swapper/122:10:131
81580rcu_preempt0-21swapper/121:44:481
81580rcu_preempt0-21swapper/120:25:011
81580rcu_preempt0-21swapper/119:42:271
81580rcu_preempt0-21swapper/119:10:041
81580rcu_preempt0-21swapper/023:51:280
81580rcu_preempt0-21swapper/023:22:040
81580rcu_preempt0-21swapper/020:40:120
81570rcu_preempt20256-21ssh00:00:330
81570rcu_preempt0-21swapper/120:55:061
81570rcu_preempt0-21swapper/120:04:301
81570rcu_preempt0-21swapper/119:49:241
81570rcu_preempt0-21swapper/119:35:031
81570rcu_preempt0-21swapper/023:35:110
81570rcu_preempt0-21swapper/022:54:420
81570rcu_preempt0-21swapper/022:40:080
81570rcu_preempt0-21swapper/020:06:520
81570rcu_preempt0-21swapper/019:53:400
81560rcu_preempt27546-21ssh00:15:340
81560rcu_preempt0-21swapper/120:20:011
81560rcu_preempt0-21swapper/119:15:561
81560rcu_preempt0-21swapper/022:10:200
81560rcu_preempt0-21swapper/021:45:130
81560rcu_preempt0-21swapper/021:10:330
81560rcu_preempt0-21swapper/019:40:530
81560rcu_preempt0-21swapper/019:23:260
81560rcu_preempt0-21swapper/000:10:310
81550rcu_preempt32396-21ssh22:20:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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