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2026-06-19 - 20:46
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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 Fri Jun 19, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81730rcu_preempt24515-21ssh10:42:200
81720rcu_preempt16153-1kworker/1:2H10:16:091
81710rcu_preempt8633-21diskmemload11:51:491
81710rcu_preempt8633-21diskmemload11:39:500
81710rcu_preempt28834-21ssh11:49:590
81710rcu_preempt0-21swapper/110:44:311
81700rcu_preempt19422-21sh10:33:230
81700rcu_preempt12303-21fw_conntrack07:19:331
81700rcu_preempt0-21swapper/111:56:591
81700rcu_preempt0-21swapper/110:00:381
81700rcu_preempt0-21swapper/109:39:431
81700rcu_preempt0-21swapper/011:55:160
81700rcu_preempt0-21swapper/008:39:390
81700rcu_preempt0-21swapper/007:54:320
81690rcu_preempt3252-21apt-get12:04:290
81690rcu_preempt0-21swapper/111:45:251
81690rcu_preempt0-21swapper/110:12:131
81690rcu_preempt0-21swapper/011:36:540
89950680irq/17-ehci_hcd945-21usb-storage07:10:170
81680rcu_preempt8633-21diskmemload10:10:050
81680rcu_preempt16314-21kworker/0:012:09:430
81680rcu_preempt13685-21munin-run12:24:180
81680rcu_preempt0-21swapper/110:49:361
81680rcu_preempt0-21swapper/107:13:281
81670rcu_preempt0-21swapper/109:50:451
81670rcu_preempt0-21swapper/011:14:590
81660rcu_preempt5968-21munin-run11:09:170
81660rcu_preempt0-21swapper/011:02:190
81650rcu_preempt23630-21ssh09:39:400
81650rcu_preempt0-21swapper/109:26:291
81650rcu_preempt0-21swapper/011:11:370
81640rcu_preempt20101-21interrupts07:49:380
81640rcu_preempt0-21swapper/108:39:431
81630rcu_preempt3829-21ssh10:04:300
81630rcu_preempt3-21ksoftirqd/010:47:250
81630rcu_preempt0-21swapper/111:13:271
81630rcu_preempt0-21swapper/110:24:401
81630rcu_preempt0-21swapper/012:34:290
81630rcu_preempt0-21swapper/011:19:410
81630rcu_preempt0-21swapper/010:21:150
81620rcu_preempt603-21ssh09:58:221
81620rcu_preempt5752-21ssh10:07:131
81620rcu_preempt3588-21munin-run08:54:171
81620rcu_preempt0-21swapper/111:34:031
81620rcu_preempt0-21swapper/110:42:041
81620rcu_preempt0-21swapper/110:31:481
81620rcu_preempt0-21swapper/107:59:441
81620rcu_preempt0-21swapper/010:53:370
81620rcu_preempt0-21swapper/010:24:320
81620rcu_preempt0-21swapper/008:54:360
81610rcu_preempt25209-21irqstats08:09:370
81610rcu_preempt23765-21ssh12:42:401
81610rcu_preempt23527-21ssh11:40:141
81610rcu_preempt21363-21ssh10:35:441
81610rcu_preempt20885-21ssh11:35:131
81610rcu_preempt18703-21ssh09:30:481
81610rcu_preempt15699-21munin-run07:34:171
81610rcu_preempt11116-21ssh11:18:231
81610rcu_preempt0-21swapper/111:27:191
81610rcu_preempt0-21swapper/110:56:231
81610rcu_preempt0-21swapper/109:44:391
81610rcu_preempt0-21swapper/109:14:361
81610rcu_preempt0-21swapper/109:10:051
81610rcu_preempt0-21swapper/108:44:441
81610rcu_preempt0-21swapper/012:14:370
81610rcu_preempt0-21swapper/009:04:380
81600rcu_preempt3-21ksoftirqd/010:55:120
81600rcu_preempt25518-21ssh09:44:290
81600rcu_preempt21214-21ssh10:35:140
81600rcu_preempt15119-21ssh12:25:061
81600rcu_preempt14407-21tr12:24:380
81600rcu_preempt11091-1kworker/0:0H11:29:210
81600rcu_preempt0-21swapper/112:30:491
81600rcu_preempt0-21swapper/112:06:101
81600rcu_preempt0-21swapper/110:23:081
81600rcu_preempt0-21swapper/108:58:471
81600rcu_preempt0-21swapper/011:44:220
81590rcu_preempt5071-21ssh11:06:061
81590rcu_preempt3116-21ssh10:02:400
81590rcu_preempt2099-21ssh10:59:491
81590rcu_preempt11494-21ssh09:19:150
81590rcu_preempt0-21swapper/112:20:581
81590rcu_preempt0-21swapper/109:38:251
81590rcu_preempt0-21swapper/108:24:381
81590rcu_preempt0-21swapper/107:34:431
81590rcu_preempt0-21swapper/009:54:370
81580rcu_preempt16069-21ssh09:25:500
81580rcu_preempt16050-21ssh11:27:050
81580rcu_preempt14084-21ssh09:23:270
81580rcu_preempt0-21swapper/112:35:331
81580rcu_preempt0-21swapper/112:09:341
81580rcu_preempt0-21swapper/111:21:531
81580rcu_preempt0-21swapper/108:31:211
81580rcu_preempt0-21swapper/008:14:420
81570rcu_preempt30985-21latency_hist08:34:171
81570rcu_preempt2610-21ssh12:02:471
81570rcu_preempt1846-21ssh12:00:150
81570rcu_preempt13556-21df_abs07:24:321
81570rcu_preempt12158-21ssh09:19:361
81570rcu_preempt0-21swapper/109:02:361
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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