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2026-02-09 - 08:57
[ 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 Mon Feb 09, 2026 00:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
956824536,0sleep20-21swapper/219:11:212
978124132,0sleep10-21swapper/119:13:521
965723828,0sleep30-21swapper/319:12:223
971523026,0sleep00-21swapper/019:13:030
99369966,0cyclictest0-21swapper/221:35:162
99369960,0cyclictest15579-21processes21:45:122
99369960,0cyclictest0-21swapper/200:10:052
99349960,0cyclictest4409-21ssh23:33:360
339960,0migration/38315-21gltestperf23:55:063
339960,0migration/35974-21sh22:37:033
339960,0migration/323071-21sh22:46:443
339960,0migration/31630-21sh21:57:283
29815060,0irq/29-eth0-tx-0-21swapper/021:15:580
29805060,0irq/28-eth0-rx-18811-21grep21:50:033
29805060,0irq/28-eth0-rx-18670-21ssh22:06:353
29805060,0irq/28-eth0-rx-0-21swapper/321:48:083
99369955,0cyclictest0-21swapper/222:10:162
99369950,0cyclictest0-21swapper/223:20:352
99369950,0cyclictest0-21swapper/221:40:472
99369950,0cyclictest0-21swapper/221:24:142
99359955,0cyclictest0-21swapper/122:39:441
99359955,0cyclictest0-21swapper/122:34:321
99359955,0cyclictest0-21swapper/100:39:521
99359955,0cyclictest0-21swapper/100:20:091
99359954,0cyclictest8706-21ps22:40:081
99349955,0cyclictest0-21swapper/023:28:430
99349955,0cyclictest0-21swapper/022:30:230
99349955,0cyclictest0-21swapper/022:11:470
99349955,0cyclictest0-21swapper/021:39:370
99349950,0cyclictest0-21swapper/022:39:410
99349950,0cyclictest0-21swapper/000:05:080
4150,0ktimersoftd/00-21swapper/022:19:590
339950,0migration/35190-21kthreadcore20:15:093
339950,0migration/33624-21taskset22:16:433
339950,0migration/33424-21df_abs00:30:063
339950,0migration/330400-21kernelversion23:30:083
339950,0migration/329524-21kthreadcore19:25:083
339950,0migration/328613-21munin-node20:35:013
339950,0migration/328281-21latency22:30:113
339950,0migration/326010-21kthreadcore19:45:083
339950,0migration/325848-21kthreadcore20:30:093
339950,0migration/324483-21taskset20:08:503
339950,0migration/323600-21latency20:50:093
339950,0migration/321272-21kthreadcore19:20:073
339950,0migration/316647-21munin-node20:45:123
339950,0migration/316355-21sendmail_mailst19:15:123
339950,0migration/314460-21sh21:28:103
339950,0migration/313114-21kthreadcore23:00:103
339950,0migration/313114-21kthreadcore23:00:103
329950,0watchdog/39431-21python19:55:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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