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2026-02-02 - 06:38
[ 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
Characteristics of the 20 highest latencies:
System rackdslot2.osadl.org (updated Mon Feb 02, 2026 00:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
297332248203,35sleep20-21swapper/219:09:592
294252216169,35sleep30-21swapper/319:05:593
297312204169,23sleep00-21swapper/019:09:560
294752204171,22sleep10-21swapper/119:06:371
34322570,2sleep00-21swapper/020:29:550
320422570,5sleep09-21ksoftirqd/022:41:050
102502530,2sleep20-21swapper/219:35:182
96472470,2sleep10-21swapper/119:35:001
139291460,1ptp4l401ktimersoftd/320:26:313
30030994524,3cyclictest41-21ksoftirqd/321:06:163
30029994438,3cyclictest24919-21sleep21:15:002
139291430,1ptp4l401ktimersoftd/321:19:043
139291420,1ptp4l401ktimersoftd/322:36:313
139291420,1ptp4l401ktimersoftd/320:30:473
139291420,1ptp4l401ktimersoftd/320:30:473
139291420,1ptp4l401ktimersoftd/319:59:133
139291420,0ptp4l401ktimersoftd/300:20:243
139291410,1ptp4l401ktimersoftd/319:18:273
30027994035,3cyclictest9-21ksoftirqd/021:40:000
30028993935,3cyclictest25-21ksoftirqd/100:00:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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