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2026-03-02 - 00:46
[ 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 Mar 01, 2026 12:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2936323626,0sleep10-21swapper/107:12:491
2942323526,0sleep20-21swapper/207:13:302
2604523222,0sleep30-21swapper/307:11:513
2951223127,0sleep00-21swapper/007:14:320
29755991212,0cyclictest3524-21snmpd12:29:140
297559970,0cyclictest7199-40yum-updatesd-he10:11:290
4160,0ktimersoftd/00-21swapper/011:50:420
35160,0ktimersoftd/322743-21cpu10:01:443
35160,0ktimersoftd/30-21swapper/311:50:423
339960,0migration/330772-21needreboot10:21:503
339960,0migration/317562-21sh12:26:503
339960,0migration/316152-21timerandwakeup10:31:583
339960,0migration/314922-21sh10:13:593
329960,0watchdog/329256-21cut09:46:443
29815060,0irq/29-eth0-tx-4860-21munin-node07:21:480
29815060,0irq/29-eth0-tx-19438-21munin-node08:16:490
29815060,0irq/29-eth0-tx-1427-21munin-node08:26:470
29805060,0irq/28-eth0-rx-32483-21cut10:06:503
29805060,0irq/28-eth0-rx-3011-21port_sshpriv11:01:543
29805060,0irq/28-eth0-rx-29568-21kthreadcore11:56:523
29805060,0irq/28-eth0-rx-12935-21perl08:11:443
29805060,0irq/28-eth0-rx-11891-21sensors_volt11:06:553
297569960,0cyclictest0-21swapper/107:46:471
297559965,0cyclictest19204-21crond08:16:320
149960,0migration/030476-21sh11:19:350
149960,0migration/029136-21kthreadcore09:26:510
149960,0migration/015923-21latency_hist08:36:320
149960,0migration/013032-21sh11:09:030
149960,0migration/012266-21kthreadcore07:46:500
8305050,0irq/26-0000:00:2061-21jbd2/md0-809:11:332
8305050,0irq/26-0000:00:20464-21crond12:11:332
4150,0ktimersoftd/00-21swapper/010:43:490
339950,0migration/38259-21taskset07:46:023
339950,0migration/33726-21kthreadcore09:11:493
339950,0migration/332131-21kthreadcore12:16:483
339950,0migration/331987-21kthreadcore08:01:483
339950,0migration/32728-21kthreadcore08:46:513
339950,0migration/325656-21munin-node09:01:533
339950,0migration/325626-21diskmemload11:36:463
339950,0migration/323498-21fschecks_time11:16:463
339950,0migration/323481-21munin-node08:41:443
339950,0migration/322401-21kthreadcore10:56:513
339950,0migration/319309-21kthreadcore11:31:503
339950,0migration/318390-21fschecks_time09:21:473
339950,0migration/312453-21sh12:22:143
339950,0migration/311199-21kthreadcore09:51:513
339950,0migration/31078-21ksmtuned08:25:173
339950,0migration/310402-21kthreadcore11:26:493
339950,0migration/310079-21kthreadcore12:41:493
329950,0watchdog/317159-21munin-node08:36:473
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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