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2026-03-03 - 02:49
[ 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 Mar 02, 2026 12:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
294972235169,22sleep20-21swapper/207:09:032
295632206173,22sleep10-21swapper/107:09:541
139591206172,23phc2sys0-21swapper/307:09:373
295572205171,22sleep00-21swapper/007:09:490
2517821650,4sleep03001599cyclictest09:15:010
1949421530,6sleep13001799cyclictest12:25:131
30019996530,10cyclictest41-21ksoftirqd/310:30:203
30019996431,9cyclictest41-21ksoftirqd/308:45:133
30019996331,9cyclictest41-21ksoftirqd/310:20:123
30019996127,9cyclictest41-21ksoftirqd/308:15:013
30019996030,9cyclictest41-21ksoftirqd/312:35:183
30019996029,9cyclictest41-21ksoftirqd/311:30:213
139291590,1ptp4l391rcuc/312:10:233
139291590,1ptp4l391rcuc/312:10:233
30019995629,3cyclictest41-21ksoftirqd/307:50:183
30015995623,4cyclictest9-21ksoftirqd/009:20:010
3001999554,8cyclictest32034-21cut08:20:173
3001999552,6cyclictest23717-21cat10:20:003
30019995424,8cyclictest41-21ksoftirqd/308:25:133
30019995421,9cyclictest41-21ksoftirqd/312:25:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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