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2026-04-29 - 03:23
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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 Wed Apr 29, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811050rcu_preempt19-21ksoftirqd/100:05:351
81860rcu_preempt11395-21diskmemload23:21:211
81830rcu_preempt0-21swapper/023:30:210
81820rcu_preempt5382-21tr22:01:231
81790rcu_preempt30384-21ssh22:46:091
81790rcu_preempt21938-1kworker/0:0H22:57:450
81790rcu_preempt16332-21ssh21:23:061
81780rcu_preempt22990-21ntp_states22:31:321
81780rcu_preempt12291-2110-stats19:14:361
81750rcu_preempt10796-21ntpq19:11:300
81730rcu_preempt0-21swapper/121:34:571
81730rcu_preempt0-21swapper/121:34:571
81710rcu_preempt20756-21sh22:26:570
81710rcu_preempt19-21ksoftirqd/100:00:361
81710rcu_preempt11395-21diskmemload22:00:040
81710rcu_preempt0-21swapper/021:51:230
81700rcu_preempt3-21ksoftirqd/022:51:020
81700rcu_preempt0-21swapper/022:41:030
81700rcu_preempt0-21swapper/021:26:360
81700rcu_preempt0-21swapper/021:26:360
81690rcu_preempt3754-1kworker/0:2H00:06:220
81690rcu_preempt11395-21diskmemload23:22:570
81690rcu_preempt0-21swapper/023:03:330
81690rcu_preempt0-21swapper/022:24:210
81690rcu_preempt0-21swapper/019:26:300
81690rcu_preempt0-21swapper/000:40:130
81680rcu_preempt0-21swapper/023:53:150
81670rcu_preempt0-21swapper/023:39:250
81660rcu_preempt22750-21rm21:35:070
81660rcu_preempt22750-21rm21:35:070
81660rcu_preempt2253-21ssh22:52:060
81660rcu_preempt11391-21cron21:16:080
81640rcu_preempt0-21swapper/021:40:130
81640rcu_preempt0-21swapper/021:16:260
81630rcu_preempt0-21swapper/023:58:510
81630rcu_preempt0-21swapper/019:41:320
81630rcu_preempt0-21swapper/000:16:200
81620rcu_preempt14761-21ssh00:12:171
81620rcu_preempt14761-21ssh00:12:171
81620rcu_preempt0-21swapper/022:31:290
81620rcu_preempt0-21swapper/020:26:220
81610rcu_preempt19502-21munin-run19:41:080
81610rcu_preempt15712-21munin-run19:26:080
81610rcu_preempt14885-21ssh22:16:441
81610rcu_preempt0-21swapper/123:18:401
81610rcu_preempt0-21swapper/123:01:551
81610rcu_preempt0-21swapper/122:13:241
81610rcu_preempt0-21swapper/121:16:301
81610rcu_preempt0-21swapper/120:31:261
81610rcu_preempt0-21swapper/023:19:480
81610rcu_preempt0-21swapper/023:12:420
81610rcu_preempt0-21swapper/019:51:350
81610rcu_preempt0-21swapper/000:04:260
89850600irq/17-ehci_hcd41ktimersoftd/021:25:400
81600rcu_preempt28206-21ssh00:36:591
81600rcu_preempt25412-21ssh00:31:510
81600rcu_preempt2024-21ssh21:55:311
81600rcu_preempt17991-21ssh00:19:441
81600rcu_preempt0-21swapper/123:54:511
81600rcu_preempt0-21swapper/123:47:341
81600rcu_preempt0-21swapper/123:41:301
81600rcu_preempt0-21swapper/122:58:451
81600rcu_preempt0-21swapper/122:31:081
81600rcu_preempt0-21swapper/000:41:320
81590rcu_preempt7544-21sshd21:01:050
81590rcu_preempt31508-21ssh00:43:581
81590rcu_preempt12236-21ssh00:07:591
81590rcu_preempt0-21swapper/123:37:141
81590rcu_preempt0-21swapper/123:35:461
81590rcu_preempt0-21swapper/123:27:361
81590rcu_preempt0-21swapper/122:08:011
81590rcu_preempt0-21swapper/121:48:031
81590rcu_preempt0-21swapper/121:44:441
81590rcu_preempt0-21swapper/119:51:271
81590rcu_preempt0-21swapper/022:17:190
81590rcu_preempt0-21swapper/021:42:480
81590rcu_preempt0-21swapper/020:01:250
81580rcu_preempt3377-21ssh22:55:271
81580rcu_preempt18560-21ssh22:24:111
81580rcu_preempt0-21swapper/122:46:171
81580rcu_preempt0-21swapper/121:36:481
81580rcu_preempt0-21swapper/121:30:161
81580rcu_preempt0-21swapper/121:30:161
81580rcu_preempt0-21swapper/120:21:251
81580rcu_preempt0-21swapper/119:46:221
81580rcu_preempt0-21swapper/100:26:341
81580rcu_preempt0-21swapper/100:21:591
81580rcu_preempt0-21swapper/022:06:250
81580rcu_preempt0-21swapper/019:33:470
89850570irq/17-ehci_hcd945-21usb-storage20:11:001
81570rcu_preempt990-21sensors20:31:340
81570rcu_preempt3795-21ssh21:57:071
81570rcu_preempt23846-21ssh00:30:480
81570rcu_preempt14314-21ssh23:14:061
81570rcu_preempt0-21swapper/122:36:531
81570rcu_preempt0-21swapper/119:42:171
81570rcu_preempt0-21swapper/023:42:010
81570rcu_preempt0-21swapper/022:11:310
81570rcu_preempt0-21swapper/020:06:320
81570rcu_preempt0-21swapper/000:22:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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