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2026-02-08 - 08:15
[ 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.
Unexpectedly long latencies may be caused by SMIs
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 50 highest latencies:
System rack1slot2.osadl.org (updated Sun Feb 08, 2026 00:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1558625756,0sleep00-21swapper/019:11:080
1561724633,0sleep10-21swapper/119:11:331
1564523930,0sleep30-21swapper/319:11:513
1563923127,0sleep20-21swapper/219:11:462
8305060,0irq/26-0000:00:23336-21crond20:04:452
8305060,0irq/26-0000:00:1632-21munin-run19:49:452
339960,0migration/37352-21sh21:57:333
339960,0migration/332530-21sh00:40:353
339960,0migration/328056-21sh21:30:413
339960,0migration/32394-21sh22:31:013
339960,0migration/323781-21sh23:20:253
339960,0migration/322213-21sh23:01:573
339960,0migration/314411-21sh00:14:163
339960,0migration/312985-21aten_r1power_cu20:19:553
329960,0watchdog/329373-21sh00:04:013
329960,0watchdog/311660-21python19:30:083
29805060,0irq/28-eth0-rx-13952-21kthreadcore22:00:033
259960,0migration/222693-21sh00:18:212
149960,0migration/07804-21sh21:58:500
149960,0migration/04754-21sh20:10:110
149960,0migration/020709-21kernelversion22:25:030
8305050,0irq/26-0000:00:29957-21timerandwakeup23:05:112
8305050,0irq/26-0000:00:21043-21wc21:29:462
4150,0ktimersoftd/00-21swapper/023:26:510
339950,0migration/38729-21kthreadcore22:35:053
339950,0migration/3770-21munin-node23:10:023
339950,0migration/37688-21kthreadcore19:50:033
339950,0migration/3741-21munin-node21:15:063
339950,0migration/36838-21fschecks_count21:39:583
339950,0migration/35177-21diskmemload22:52:373
339950,0migration/3511-21kthreadcore20:55:033
339950,0migration/331967-21munin-node19:25:033
339950,0migration/330502-21sh23:06:013
339950,0migration/329541-21kthreadcore23:45:033
339950,0migration/327237-21munin-node19:44:563
339950,0migration/325389-21kthreadcore20:50:043
339950,0migration/322897-21unixbench_singl20:00:113
339950,0migration/322082-21munin-node19:15:043
339950,0migration/320607-21gltestperf20:24:593
339950,0migration/320112-21cpuspeed_turbos19:39:573
339950,0migration/318140-21munin-node00:35:023
339950,0migration/315565-21kthreadcore21:05:043
339950,0migration/313310-21munin-node21:25:013
339950,0migration/312491-21taskset20:16:493
339950,0migration/311803-21kthreadcore00:30:043
329950,0watchdog/329424-21memory21:50:053
329950,0watchdog/319492-21ssh22:40:253
329950,0watchdog/30-21swapper/322:44:573
29815050,0irq/29-eth0-tx-8031-21ssh00:29:262
29815050,0irq/29-eth0-tx-6245-21munin-node00:09:582
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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