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2026-02-23 - 07:30
[ 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 20 highest latencies:
System rackfslot7.osadl.org (updated Mon Feb 23, 2026 00:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2561370998910,59cyclictest2574315-21/usr/sbin/munin19:30:233
2561370997536,18cyclictest2620497-21ntpq20:55:213
2561370997516,39cyclictest2657894-21cat22:05:013
2561370997515,39cyclictest2733205-21ntpq00:20:193
2561370997416,39cyclictest2713632-21cat23:45:173
2561370997113,39cyclictest2597641-21grep20:15:153
2561370997112,19cyclictest0-21swapper/321:55:323
2561370997110,39cyclictest2572459-21idleruntime-cro19:30:003
256137099709,59cyclictest2568482-21meminfo19:20:193
2561370996811,38cyclictest2671191-21latency_hist22:30:013
256137099679,19cyclictest0-21swapper/323:04:163
256137099657,39cyclictest2628504-21meminfo21:10:173
256137099656,19cyclictest0-21swapper/300:10:493
2561370996224,38cyclictest511ktimers/322:20:173
2561370995922,36cyclictest874-21mta-sts-daemon22:36:323
2561370995920,2cyclictest511ktimers/322:13:513
2561370995719,19cyclictest2682399-21munin-run22:50:013
2561370995719,19cyclictest2632855-21munin-run21:20:023
2561370995713,40cyclictest2672903-21ntpq22:30:193
2561370995619,16cyclictest0-21swapper/300:15:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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