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2026-02-23 - 00:06
[ 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 22, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
194224937,0sleep20-21swapper/207:15:202
162024128,0sleep30-21swapper/307:11:373
179023626,0sleep10-21swapper/107:13:351
162222723,0sleep00-21swapper/007:11:380
2076991111,0cyclictest0-21swapper/009:17:340
8305060,0irq/26-0000:00:28817-21if_eth1.307:56:133
339960,0migration/38976-21sh09:48:223
339960,0migration/35558-21sh10:25:563
339960,0migration/328257-21fschecks_time11:16:133
339960,0migration/31919-21sh10:02:083
339960,0migration/318203-21latency12:41:173
339960,0migration/313537-21sh11:44:173
29805060,0irq/28-eth0-rx-19515-21perl09:56:123
20779960,0cyclictest0-21swapper/109:11:251
20769960,0cyclictest0-21swapper/011:04:230
149960,0migration/026860-21switchtime08:36:220
149960,0migration/024731-21missed_timers12:26:200
149960,0migration/020670-21latency_hist10:15:580
149960,0migration/01033-21sh11:00:310
8305050,0irq/26-0000:00:0-21swapper/210:10:582
4150,0ktimersoftd/00-21swapper/009:34:140
339950,0migration/36985-21munin-node10:26:153
339950,0migration/35433-21kthreadcore07:16:153
339950,0migration/35427-21timerwakeupswit08:21:233
339950,0migration/35422-21kthreadcore10:06:153
339950,0migration/32882-21munin-node12:16:153
339950,0migration/328185-21kthreadcore09:41:173
339950,0migration/327045-21kthreadcore08:16:143
339950,0migration/32535-21kthreadcore09:26:163
339950,0migration/322779-21fschecks_count09:21:123
339950,0migration/322011-21kthreadcore08:56:173
339950,0migration/321771-21taskset09:20:233
339950,0migration/320588-21pmu-power11:46:203
339950,0migration/31641-21switchtime08:41:223
339950,0migration/316075-21processes08:51:203
339950,0migration/314444-21sh10:31:003
339950,0migration/313940-21fschecks_count08:31:113
339950,0migration/312290-21kthreadcore12:01:153
339950,0migration/311795-21kthreadcore09:31:163
339950,0migration/311357-21munin-node12:21:153
339950,0migration/311332-21sh11:23:533
329950,0watchdog/326882-21kthreadcore10:56:173
329950,0watchdog/32338-21cut07:36:163
329950,0watchdog/30-21swapper/311:31:173
29815050,0irq/29-eth0-tx-8455-21kthreadcore11:41:152
29815050,0irq/29-eth0-tx-7559-21ssh09:46:172
29815050,0irq/29-eth0-tx-31704-21munin-node11:56:152
29815050,0irq/29-eth0-tx-29853-21ssh11:51:342
29815050,0irq/29-eth0-tx-25237-21munin-node09:41:212
29815050,0irq/29-eth0-tx-22321-21ssh10:34:382
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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