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2025-12-26 - 20:49
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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 Dec 26, 2025 12:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81760rcu_preempt0-21swapper/111:20:571
81730rcu_preempt0-21swapper/109:56:581
81720rcu_preempt9344-21/usr/sbin/munin10:30:530
81690rcu_preempt26466-21diskmemload11:56:360
81690rcu_preempt0-21swapper/011:25:570
81690rcu_preempt0-21swapper/008:10:560
81680rcu_preempt0-21swapper/010:59:500
81670rcu_preempt29973-21ntp_states11:05:530
81670rcu_preempt0-21swapper/010:50:130
81660rcu_preempt0-21swapper/009:50:340
81650rcu_preempt0-21swapper/011:31:040
81640rcu_preempt0-21swapper/109:37:391
147650640irq/28-eth0-rx-0-21swapper/107:06:051
81630rcu_preempt0-21swapper/012:07:510
81620rcu_preempt0-21swapper/110:34:151
81620rcu_preempt0-21swapper/010:16:260
81610rcu_preempt7980-21ssh09:32:371
81610rcu_preempt19688-21ssh09:52:191
81610rcu_preempt16573-21diskmemload09:46:500
81610rcu_preempt16571-21ssh09:46:501
81610rcu_preempt0-21swapper/111:57:291
81610rcu_preempt0-21swapper/111:15:501
81610rcu_preempt0-21swapper/110:16:371
81610rcu_preempt0-21swapper/009:30:580
81610rcu_preempt0-21swapper/008:40:520
81610rcu_preempt0-21swapper/007:20:560
81600rcu_preempt9542-21ssh12:24:011
81600rcu_preempt24517-21ssh11:53:191
81600rcu_preempt22686-21ssh10:53:591
81600rcu_preempt16609-21munin-run11:40:330
81600rcu_preempt0-21swapper/111:08:571
81600rcu_preempt0-21swapper/010:36:390
81590rcu_preempt4698-21ssh10:22:191
81590rcu_preempt3167-21cpuspeed10:20:480
81590rcu_preempt22016-21ssh11:49:341
81590rcu_preempt13247-21ssh10:37:001
81590rcu_preempt0-21swapper/112:13:471
81590rcu_preempt0-21swapper/111:38:571
81590rcu_preempt0-21swapper/110:47:091
81590rcu_preempt0-21swapper/110:44:401
81590rcu_preempt0-21swapper/110:10:251
81590rcu_preempt0-21swapper/110:02:341
81590rcu_preempt0-21swapper/109:40:541
81590rcu_preempt0-21swapper/109:28:051
81590rcu_preempt0-21swapper/109:22:191
81590rcu_preempt0-21swapper/109:18:041
81590rcu_preempt0-21swapper/109:00:491
81590rcu_preempt0-21swapper/107:50:481
81590rcu_preempt0-21swapper/010:54:480
81580rcu_preempt7170-21ssh10:26:021
81580rcu_preempt29568-21ssh12:01:141
81580rcu_preempt10235-21ssh12:25:411
81580rcu_preempt0-21swapper/112:36:171
81580rcu_preempt0-21swapper/112:34:261
81580rcu_preempt0-21swapper/112:16:151
81580rcu_preempt0-21swapper/111:30:581
81580rcu_preempt0-21swapper/111:11:441
81580rcu_preempt0-21swapper/110:55:561
81580rcu_preempt0-21swapper/107:35:221
81580rcu_preempt0-21swapper/012:27:000
81580rcu_preempt0-21swapper/011:49:080
81580rcu_preempt0-21swapper/010:10:590
81580rcu_preempt0-21swapper/010:02:550
81580rcu_preempt0-21swapper/009:15:540
81580rcu_preempt0-21swapper/009:00:280
81570rcu_preempt5801-21ssh12:16:170
81570rcu_preempt4506-21ssh09:26:200
81570rcu_preempt2992-21ssh12:11:280
81570rcu_preempt28817-21ssh09:13:330
81570rcu_preempt28477-21munin-run07:10:330
81570rcu_preempt28255-21ssh09:12:021
81570rcu_preempt14865-21ssh12:32:500
81570rcu_preempt0-21swapper/111:40:391
81570rcu_preempt0-21swapper/111:03:401
81570rcu_preempt0-21swapper/110:11:521
81570rcu_preempt0-21swapper/011:25:000
81570rcu_preempt0-21swapper/011:02:440
81570rcu_preempt0-21swapper/009:21:180
81570rcu_preempt0-21swapper/008:15:530
81560rcu_preempt0-21swapper/112:10:171
81560rcu_preempt0-21swapper/108:41:001
81560rcu_preempt0-21swapper/108:20:501
81560rcu_preempt0-21swapper/108:14:001
81560rcu_preempt0-21swapper/108:05:481
81560rcu_preempt0-21swapper/107:15:561
81560rcu_preempt0-21swapper/012:22:070
81560rcu_preempt0-21swapper/011:10:520
81560rcu_preempt0-21swapper/010:25:580
81560rcu_preempt0-21swapper/010:08:520
81560rcu_preempt0-21swapper/008:50:560
81560rcu_preempt0-21swapper/008:22:070
81560rcu_preempt0-21swapper/007:45:500
81550rcu_preempt30035-21ssh12:02:440
81550rcu_preempt0-21swapper/111:25:371
81550rcu_preempt0-21swapper/108:55:581
81550rcu_preempt0-21swapper/107:58:511
81550rcu_preempt0-21swapper/107:21:461
81550rcu_preempt0-21swapper/011:54:520
81550rcu_preempt0-21swapper/010:42:330
81550rcu_preempt0-21swapper/009:59:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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