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2026-01-29 - 07:47
[ 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 29, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1034825554,0sleep10-21swapper/119:12:451
1017323727,0sleep30-21swapper/319:10:433
1029923626,0sleep20-21swapper/219:12:102
1041623127,0sleep00-21swapper/019:13:330
10521991616,0cyclictest0-21swapper/223:02:132
10521991414,0cyclictest0-21swapper/222:02:132
10521991211,0cyclictest17815-21chrt20:02:372
10521991211,0cyclictest17815-21chrt20:02:372
10519991212,0cyclictest0-21swapper/021:02:340
105199999,0cyclictest0-21swapper/023:02:130
65269770,0rudpserv16179-21munin-run22:43:563
65269760,0rudpserv568-21diskstats20:14:093
65269760,0rudpserv4945-21python21:19:183
65269760,0rudpserv27688-21df_inode21:54:073
65269760,0rudpserv27037-21kthreadcore20:09:133
65269760,0rudpserv25336-21forks21:34:093
65269760,0rudpserv24406-21python20:04:193
65269760,0rudpserv22093-21missed_timers21:29:153
65269760,0rudpserv21973-21cat21:13:553
65269760,0rudpserv20975-21telnet22:09:073
65269760,0rudpserv20970-21kthreadcore21:49:113
65269760,0rudpserv20934-21python20:24:193
65269760,0rudpserv17798-21ssh21:47:133
65269760,0rudpserv16433-1kworker/3:2H22:47:013
65269760,0rudpserv16148-21port_sshpriv22:59:213
65269760,0rudpserv14612-40yum-updatesd-he21:07:363
65269760,0rudpserv13583-21ps21:24:173
65269760,0rudpserv0-21swapper/322:06:103
65269760,0rudpserv0-21swapper/322:02:323
4160,0ktimersoftd/00-21swapper/023:54:150
35160,0ktimersoftd/30-21swapper/321:18:333
339960,0migration/3958-21sh22:53:553
339960,0migration/318041-21latency_hist20:03:563
339960,0migration/318041-21latency_hist20:03:563
329960,0watchdog/325794-21ssh00:20:563
30535060,0irq/27-eth126458-21irqstats21:34:132
30535060,0irq/27-eth113647-21missed_timers21:04:152
30535060,0irq/27-eth111385-21ssh22:02:320
30535060,0irq/27-eth10-21swapper/222:17:452
29815060,0irq/29-eth0-tx-19349-21tune2fs00:19:082
29805060,0irq/28-eth0-rx-3871-21df_inode00:29:103
29805060,0irq/28-eth0-rx-22878-21hddtemp_smartct20:29:103
29805060,0irq/28-eth0-rx-2228-21sh21:39:103
29805060,0irq/28-eth0-rx-10057-21sed19:54:203
149960,0migration/06608-21gltestperf23:34:100
149960,0migration/05314-21taskset23:33:500
149960,0migration/029274-21sh23:44:210
149960,0migration/027181-21sh00:24:080
149960,0migration/021679-21fschecks_time22:09:090
105219966,0cyclictest305350irq/27-eth121:51:072
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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