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2026-01-15 - 06:52
[ 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 Thu Jan 15, 2026 00:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2690326362,0sleep10-21swapper/119:12:341
2000825141,0sleep30-21swapper/319:07:563
2690424837,0sleep20-21swapper/219:12:352
2675623127,0sleep00-21swapper/019:10:530
269929970,0cyclictest20738-21grep20:13:051
269919970,0cyclictest10620-21kthreadcore00:03:020
4160,0ktimersoftd/00-21swapper/000:16:230
35160,0ktimersoftd/30-21swapper/322:23:023
339960,0migration/332236-21sh23:57:073
339960,0migration/327377-21sh22:00:083
339960,0migration/326105-21munin-node23:13:063
339960,0migration/323675-21sh21:22:593
339960,0migration/314482-21sh23:45:303
29805060,0irq/28-eth0-rx-6314-21runrttasks22:22:243
29805060,0irq/28-eth0-rx-506-21diskstats21:27:583
29805060,0irq/28-eth0-rx-30339-21python21:03:083
29805060,0irq/28-eth0-rx-13507-21cut23:27:573
269939965,0cyclictest29428-21ps00:33:032
269939960,0cyclictest0-21swapper/223:08:002
19160,0ktimersoftd/10-21swapper/100:16:231
149960,0migration/030119-21sh23:37:000
8305050,0irq/26-0000:00:23755-21awk20:17:462
339950,0migration/39119-21taskset20:48:153
339950,0migration/36971-21kthreadcore00:18:053
339950,0migration/36590-21fschecks_count20:27:593
339950,0migration/36149-21if_eth1.322:08:013
339950,0migration/35639-21kthreadcore21:48:053
339950,0migration/332282-21gltestperf21:08:013
339950,0migration/331195-21munin-node20:22:573
339950,0migration/329691-21munin-node22:03:013
339950,0migration/327444-21sh00:31:253
339950,0migration/32672-21kthreadcore22:43:033
339950,0migration/325352-21kthreadcore19:53:033
339950,0migration/324021-21aten_r1power_en20:17:573
339950,0migration/323318-21taskset19:31:073
339950,0migration/320234-21kthreadcore20:58:043
339950,0migration/320234-21kthreadcore20:58:043
339950,0migration/320085-21kthreadcore22:33:043
339950,0migration/317836-21kthreadcore21:18:053
339950,0migration/315742-21munin-node20:53:063
339950,0migration/315574-21switchtime19:23:083
339950,0migration/313894-21fschecks_count20:33:003
339950,0migration/311355-21kthreadcore22:48:043
329950,0watchdog/30-21swapper/322:53:023
29815050,0irq/29-eth0-tx-6244-21ssh21:12:560
29815050,0irq/29-eth0-tx-31344-21munin-node21:08:000
29815050,0irq/29-eth0-tx-3075-21munin-node21:48:002
29815050,0irq/29-eth0-tx-2985-21ssh23:18:182
29815050,0irq/29-eth0-tx-25105-21ssh00:10:312
29815050,0irq/29-eth0-tx-15862-21ssh22:48:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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