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2026-03-02 - 09:05
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 100 highest latencies:
System rackdslot4.osadl.org (updated Mon Mar 02, 2026 00:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1295322450,4sleep30-21swapper/319:05:193
141342201168,22sleep10-21swapper/119:09:041
139792199167,21sleep20-21swapper/219:07:042
139522198166,22sleep00-21swapper/019:06:410
3017721700,6sleep21450099cyclictest19:40:172
316621570,4sleep01449899cyclictest22:00:230
1016721420,5sleep31450199cyclictest21:10:163
138491890,1ptp4l15901-21ps19:10:223
14498997032,7cyclictest9-21ksoftirqd/000:00:000
170372640,2sleep20-21swapper/220:20:002
14498996434,6cyclictest9-21ksoftirqd/021:00:000
14498996325,4cyclictest9-21ksoftirqd/020:20:000
177292620,5sleep09-21ksoftirqd/020:20:140
14498996225,7cyclictest9-21ksoftirqd/000:10:220
14498996128,10cyclictest9-21ksoftirqd/022:20:000
14498996029,6cyclictest9-21ksoftirqd/020:00:010
14498996028,8cyclictest9-21ksoftirqd/023:25:150
14498996024,4cyclictest9-21ksoftirqd/023:00:010
14498995927,6cyclictest9-21ksoftirqd/021:25:240
14498995927,5cyclictest9-21ksoftirqd/023:20:110
14498995926,6cyclictest9-21ksoftirqd/000:20:190
14498995923,4cyclictest9-21ksoftirqd/000:25:260
246812580,3sleep2311rcuc/219:30:142
14498995828,6cyclictest9-21ksoftirqd/022:35:130
14498995828,6cyclictest9-21ksoftirqd/020:40:150
14498995827,9cyclictest9-21ksoftirqd/023:50:000
14498995826,6cyclictest9-21ksoftirqd/021:50:120
14498995826,6cyclictest9-21ksoftirqd/020:25:150
14498995826,6cyclictest9-21ksoftirqd/020:00:250
14498995730,7cyclictest9-21ksoftirqd/020:05:190
14498995730,4cyclictest9-21ksoftirqd/020:55:000
14498995728,7cyclictest9-21ksoftirqd/000:00:280
14498995728,3cyclictest9-21ksoftirqd/021:20:120
14498995726,6cyclictest9-21ksoftirqd/022:30:220
14498995725,6cyclictest9-21ksoftirqd/022:45:260
14498995725,5cyclictest9-21ksoftirqd/023:45:000
14498995725,4cyclictest9-21ksoftirqd/023:10:140
14498995724,6cyclictest9-21ksoftirqd/022:20:230
14498995722,6cyclictest9-21ksoftirqd/019:25:170
14498995625,5cyclictest9-21ksoftirqd/021:05:160
14498995625,4cyclictest9-21ksoftirqd/000:20:010
14498995625,3cyclictest9-21ksoftirqd/020:10:260
14498995617,7cyclictest9-21ksoftirqd/019:30:260
14498995526,6cyclictest9-21ksoftirqd/020:30:180
14498995523,5cyclictest9-21ksoftirqd/019:35:180
14498995522,7cyclictest9-21ksoftirqd/023:15:230
14498995430,8cyclictest9-21ksoftirqd/023:30:240
14498995424,8cyclictest9-21ksoftirqd/021:00:260
14498995423,6cyclictest9-21ksoftirqd/022:00:010
14498995423,4cyclictest9-21ksoftirqd/021:35:260
14498995423,3cyclictest9-21ksoftirqd/022:50:140
14498995421,6cyclictest9-21ksoftirqd/023:00:200
14498995421,6cyclictest9-21ksoftirqd/019:45:220
14498995420,7cyclictest9-21ksoftirqd/023:35:200
14498995418,4cyclictest9-21ksoftirqd/020:45:140
14498995325,8cyclictest9-21ksoftirqd/021:15:220
14498995321,5cyclictest9-21ksoftirqd/021:30:180
14498995321,4cyclictest9-21ksoftirqd/022:10:220
14498995315,4cyclictest9-21ksoftirqd/021:40:250
14498995223,6cyclictest9-21ksoftirqd/023:50:190
14498995223,6cyclictest9-21ksoftirqd/023:05:200
14498995222,5cyclictest9-21ksoftirqd/022:05:150
14498995222,5cyclictest9-21ksoftirqd/000:35:170
14498995221,7cyclictest9-21ksoftirqd/019:15:190
14498995122,7cyclictest9-21ksoftirqd/019:10:240
14498995122,5cyclictest9-21ksoftirqd/019:40:110
14498995121,6cyclictest9-21ksoftirqd/021:10:110
14498995121,4cyclictest9-21ksoftirqd/021:47:000
14498995120,9cyclictest9-21ksoftirqd/000:30:260
14498995119,5cyclictest9-21ksoftirqd/000:05:140
1449899504,3cyclictest9-21ksoftirqd/020:35:190
1449899504,3cyclictest9-21ksoftirqd/019:20:210
14498995020,6cyclictest9-21ksoftirqd/022:25:180
88952490,2sleep20-21swapper/223:20:002
69402480,2sleep36853-21cstates23:15:123
14498994819,4cyclictest9-21ksoftirqd/022:40:250
1449999471,3cyclictest1319-21snmpd23:15:281
1449899473,3cyclictest9-21ksoftirqd/019:50:200
14500994533,9cyclictest33-21ksoftirqd/220:40:262
14500994532,10cyclictest33-21ksoftirqd/219:10:262
14500994441,2cyclictest33-21ksoftirqd/222:15:002
138491430,0ptp4l401ktimersoftd/322:40:123
14500994237,3cyclictest33-21ksoftirqd/222:09:592
138491420,0ptp4l401ktimersoftd/320:00:013
14500994135,3cyclictest33-21ksoftirqd/219:20:002
14500994130,8cyclictest33-21ksoftirqd/223:50:122
14500994120,9cyclictest33-21ksoftirqd/222:45:212
14500994113,6cyclictest33-21ksoftirqd/222:00:072
138491410,0ptp4l401ktimersoftd/322:57:153
138491410,0ptp4l401ktimersoftd/321:09:293
138491410,0ptp4l401ktimersoftd/320:05:023
1450099406,9cyclictest33-21ksoftirqd/223:10:012
14500994035,3cyclictest33-21ksoftirqd/222:45:002
14500994014,3cyclictest33-21ksoftirqd/200:05:172
14501993913,5cyclictest4104-21perf19:55:003
1450099397,2cyclictest33-21ksoftirqd/221:30:012
14500993934,3cyclictest33-21ksoftirqd/220:30:012
14500993934,3cyclictest33-21ksoftirqd/200:25:002
14500993933,3cyclictest33-21ksoftirqd/200:00:002
14500993931,5cyclictest33-21ksoftirqd/223:35:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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