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2026-01-23 - 06:32
[ 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 rack3slot6.osadl.org (updated Fri Jan 23, 2026 00:44:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3235221100,6chrt31878-21/usr/sbin/munin20:00:251
13408999663,21cyclictest26-21ksoftirqd/122:40:101
13408999367,16cyclictest26-21ksoftirqd/122:10:151
13408999363,18cyclictest26-21ksoftirqd/121:50:111
13408999163,16cyclictest26-21ksoftirqd/119:50:111
13408999062,18cyclictest26-21ksoftirqd/119:35:241
13408999058,18cyclictest26-21ksoftirqd/120:40:171
123822887,64sleep012399-21/usr/sbin/munin19:05:250
13408998763,14cyclictest26-21ksoftirqd/123:30:101
13408998662,14cyclictest26-21ksoftirqd/100:35:181
259172850,5chrt0-21swapper/021:15:010
13408998150,23cyclictest10268-21seq20:30:141
120292816,59sleep111671-21/usr/sbin/munin19:05:191
13408998049,18cyclictest26-21ksoftirqd/121:25:151
13408997953,18cyclictest26-21ksoftirqd/119:40:131
13408997950,20cyclictest26-21ksoftirqd/123:50:121
13408997848,20cyclictest26-21ksoftirqd/121:45:131
13408997749,19cyclictest26-21ksoftirqd/120:25:131
13405997614,20cyclictest151rcu_preempt00:15:130
13408997545,21cyclictest26-21ksoftirqd/122:00:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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