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2026-01-16 - 15:12
[ 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 Fri Jan 16, 2026 12:45:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12382207174,22sleep10-21swapper/107:07:261
13482206173,22sleep00-21swapper/007:08:440
13192206172,22sleep30-21swapper/307:08:243
11322206172,23sleep20-21swapper/207:06:012
2670821660,6sleep3176399cyclictest08:00:183
139291780,1ptp4l391rcuc/308:45:253
139291770,2ptp4l391rcuc/309:00:213
1763996625,10cyclictest41-21ksoftirqd/311:35:223
1763996625,10cyclictest41-21ksoftirqd/311:35:223
176299658,13cyclictest14202-21mailstats08:40:242
176299646,16cyclictest17395-21/usr/sbin/munin09:55:142
176299645,17cyclictest743-21systemctl10:25:242
176099620,3cyclictest12089-21hddtemp_smartct07:30:250
176299608,10cyclictest821-21chrt08:15:172
176299595,17cyclictest8224-21/usr/sbin/munin11:55:182
176099590,3cyclictest17392-21seq12:13:440
176299589,17cyclictest27390-21taskset09:09:272
176299588,13cyclictest26930-21chrt12:31:192
176299578,12cyclictest23081-21taskset07:50:482
176299574,17cyclictest24049-21sh07:55:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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