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2026-02-15 - 23:07
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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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 792 highest latencies:
System rackcslot3.osadl.org (updated Sun Feb 15, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81780rcu_preempt0-21swapper/107:08:171
89450710irq/17-ehci_hcd0-21swapper/010:30:530
89450710irq/17-ehci_hcd0-21swapper/010:30:530
81710rcu_preempt31438-21sh10:44:461
81710rcu_preempt15390-21ls07:12:530
81710rcu_preempt0-21swapper/111:47:541
81710rcu_preempt0-21swapper/111:28:181
81710rcu_preempt0-21swapper/110:18:151
81700rcu_preempt0-21swapper/112:33:131
81700rcu_preempt0-21swapper/112:19:491
81700rcu_preempt0-21swapper/112:04:581
81700rcu_preempt0-21swapper/111:23:101
81700rcu_preempt0-21swapper/110:49:061
81700rcu_preempt0-21swapper/109:15:581
81700rcu_preempt0-21swapper/108:23:171
81690rcu_preempt7023-21ssh10:59:421
81690rcu_preempt24174-21ssh10:32:101
81690rcu_preempt24174-21ssh10:32:101
81690rcu_preempt0-21swapper/112:08:131
81690rcu_preempt0-21swapper/111:37:391
81680rcu_preempt24355-21munin-run07:47:531
81680rcu_preempt10299-21ssh10:05:121
81680rcu_preempt0-21swapper/110:17:271
81680rcu_preempt0-21swapper/109:20:101
81680rcu_preempt0-21swapper/107:13:171
147950680irq/31-eth0-tx-41ktimersoftd/012:42:400
81670rcu_preempt28862-21ssh10:39:411
81670rcu_preempt0-21swapper/110:37:091
81670rcu_preempt0-21swapper/109:30:271
81670rcu_preempt0-21swapper/108:19:481
81670rcu_preempt0-21swapper/108:08:061
81660rcu_preempt7923-21grep08:48:141
81660rcu_preempt12414-21sh11:10:041
81660rcu_preempt0-21swapper/112:28:141
81660rcu_preempt0-21swapper/112:16:341
81660rcu_preempt0-21swapper/112:00:281
81660rcu_preempt0-21swapper/111:40:141
81660rcu_preempt0-21swapper/111:40:141
81660rcu_preempt0-21swapper/111:13:171
81660rcu_preempt0-21swapper/109:58:181
81660rcu_preempt0-21swapper/109:25:511
81650rcu_preempt29358-21timerwakeupswit08:03:181
81650rcu_preempt0-21swapper/111:04:151
81650rcu_preempt0-21swapper/109:48:331
81630rcu_preempt10176-21if_can108:58:101
81630rcu_preempt0-21swapper/112:38:151
81620rcu_preempt21825-21latency_hist07:37:531
81620rcu_preempt21825-21latency_hist07:37:531
81620rcu_preempt0-21swapper/010:17:340
81620rcu_preempt0-21swapper/010:00:480
89450610irq/17-ehci_hcd6883-21ps08:43:170
81610rcu_preempt25197-21ntpdc07:48:151
81610rcu_preempt20419-21grep07:28:191
81610rcu_preempt12751-21if_err_can109:08:111
81600rcu_preempt18194-21ssh10:19:350
81600rcu_preempt0-21swapper/109:55:371
81600rcu_preempt0-21swapper/012:03:190
81600rcu_preempt0-21swapper/011:35:020
81600rcu_preempt0-21swapper/010:05:580
81600rcu_preempt0-21swapper/009:39:170
89850590irq/17-ehci_hcd945-21usb-storage12:36:110
81590rcu_preempt32531-21cat11:48:131
81590rcu_preempt30886-21ssh09:43:150
81590rcu_preempt11323-21/usr/sbin/munin10:08:070
81590rcu_preempt0-21swapper/012:17:110
81590rcu_preempt0-21swapper/011:26:480
81590rcu_preempt0-21swapper/011:03:570
81590rcu_preempt0-21swapper/010:48:170
81580rcu_preempt3585-21ssh10:53:161
81580rcu_preempt23091-21ssh11:30:000
81580rcu_preempt19246-21ssh09:22:480
81580rcu_preempt0-21swapper/011:42:070
81580rcu_preempt0-21swapper/011:42:070
81580rcu_preempt0-21swapper/011:01:250
81580rcu_preempt0-21swapper/009:28:150
81580rcu_preempt0-21swapper/008:48:450
81580rcu_preempt0-21swapper/008:28:120
81580rcu_preempt0-21swapper/008:23:170
81570rcu_preempt29497-21ssh10:42:040
81570rcu_preempt21502-21ssh10:26:390
81570rcu_preempt0-21swapper/011:20:390
81570rcu_preempt0-21swapper/011:09:500
81570rcu_preempt0-21swapper/010:53:100
81570rcu_preempt0-21swapper/009:35:260
81570rcu_preempt0-21swapper/007:53:100
81560rcu_preempt31884-21ssh10:46:270
81560rcu_preempt22855-21k10sensors07:38:181
81560rcu_preempt2112-21ssh11:52:450
81560rcu_preempt21101-21ssh09:24:520
81560rcu_preempt19347-21latency_hist07:27:531
81560rcu_preempt12326-21ssh12:11:210
81560rcu_preempt0-21swapper/109:45:441
81560rcu_preempt0-21swapper/012:22:290
81560rcu_preempt0-21swapper/011:53:050
81560rcu_preempt0-21swapper/009:53:100
81560rcu_preempt0-21swapper/009:17:360
81560rcu_preempt0-21swapper/008:38:070
81560rcu_preempt0-21swapper/007:43:140
81560rcu_preempt0-21swapper/007:23:180
81550rcu_preempt0-21swapper/012:32:460
81550rcu_preempt0-21swapper/011:13:180
81550rcu_preempt0-21swapper/010:37:250
81550rcu_preempt0-21swapper/009:49:200
81550rcu_preempt0-21swapper/009:08:150
81540rcu_preempt6742-21ssh12:00:000
81540rcu_preempt19553-21cpuspeed_turbos10:23:081
81540rcu_preempt0-21swapper/011:44:520
81540rcu_preempt0-21swapper/009:03:180
81540rcu_preempt0-21swapper/007:13:130
81530rcu_preempt31595-21ps08:13:160
81530rcu_preempt19525-21ssh12:23:240
81530rcu_preempt19-21ksoftirqd/112:25:081
81520rcu_preempt0-21swapper/008:53:130
81520rcu_preempt0-21swapper/007:29:020
81510rcu_preempt19-21ksoftirqd/109:35:471
81500rcu_preempt27932-21python07:58:191
81500rcu_preempt19-21ksoftirqd/111:53:451
81500rcu_preempt19-21ksoftirqd/111:19:031
81500rcu_preempt10330-21irqstats08:58:120
81500rcu_preempt0-21swapper/008:18:160
81490rcu_preempt19-21ksoftirqd/109:40:511
81490rcu_preempt11334-21ssh10:08:051
81490rcu_preempt0-21swapper/007:50:370
81490rcu_preempt0-21swapper/007:21:350
15422994944cyclictest945-21usb-storage08:08:100
81480rcu_preempt27581-21memory07:58:140
81470rcu_preempt0-21swapper/008:37:070
15422994743cyclictest945-21usb-storage08:07:210
15422994542cyclictest945-21usb-storage07:38:100
15422994542cyclictest945-21usb-storage07:33:190
15422994542cyclictest945-21usb-storage07:33:190
15430994441cyclictest181ktimersoftd/108:53:041
147950430irq/31-eth0-tx-2497-21/usr/sbin/munin08:28:101
147950430irq/31-eth0-tx-0-21swapper/109:03:061
147650420irq/28-eth0-rx-0-21swapper/108:36:421
15430994138cyclictest181ktimersoftd/108:38:191
147650410irq/28-eth0-rx-0-21swapper/108:43:241
147650410irq/28-eth0-rx-0-21swapper/107:54:491
147650390irq/28-eth0-rx-0-21swapper/108:15:561
147950380irq/31-eth0-tx-0-21swapper/107:18:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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