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2026-01-28 - 22:02
[ 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 100 highest latencies:
System rackdslot4.osadl.org (updated Wed Jan 28, 2026 12:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591203169,23phc2sys0-21swapper/307:05:073
147552200165,23sleep10-21swapper/107:08:581
145712199165,22sleep00-21swapper/007:06:390
147232195162,22sleep20-21swapper/207:08:382
1384911020,1ptp4l15392-21diskstats10:25:143
52952780,3sleep20-21swapper/210:05:122
185072730,4sleep118510-21missed_timers10:30:191
15129996633,4cyclictest9-21ksoftirqd/009:00:000
15129996531,4cyclictest9-21ksoftirqd/007:30:000
138491640,1ptp4l401ktimersoftd/312:35:113
15130996329,7cyclictest25-21ksoftirqd/110:50:241
15130996319,4cyclictest25-21ksoftirqd/111:15:251
15130996230,6cyclictest25-21ksoftirqd/107:50:251
15129996232,4cyclictest9-21ksoftirqd/012:25:180
15130996127,9cyclictest25-21ksoftirqd/108:51:471
15130996123,8cyclictest25-21ksoftirqd/112:00:121
141722610,8sleep3401ktimersoftd/310:20:263
15130996027,7cyclictest25-21ksoftirqd/107:50:011
15130996027,6cyclictest25-21ksoftirqd/107:10:171
200072590,2sleep00-21swapper/010:35:110
15130995930,6cyclictest25-21ksoftirqd/110:45:131
15130995927,6cyclictest25-21ksoftirqd/112:10:201
15130995927,6cyclictest25-21ksoftirqd/108:15:121
15129995926,6cyclictest9-21ksoftirqd/012:35:170
276552580,2sleep10-21swapper/107:35:121
15130995830,3cyclictest25-21ksoftirqd/108:40:131
15130995829,3cyclictest25-21ksoftirqd/111:35:011
15130995829,3cyclictest25-21ksoftirqd/111:35:001
15130995827,4cyclictest25-21ksoftirqd/109:40:171
15130995826,7cyclictest25-21ksoftirqd/111:00:261
15130995825,10cyclictest25-21ksoftirqd/110:55:111
15129995829,7cyclictest9-21ksoftirqd/012:30:110
15129995824,7cyclictest9-21ksoftirqd/011:10:130
15129995813,6cyclictest9-21ksoftirqd/007:30:180
15130995726,6cyclictest25-21ksoftirqd/110:15:251
15129995730,4cyclictest9-21ksoftirqd/011:50:120
15129995728,3cyclictest9-21ksoftirqd/007:55:230
15129995727,9cyclictest9-21ksoftirqd/007:20:200
15129995727,3cyclictest9-21ksoftirqd/008:35:010
15129995726,3cyclictest9-21ksoftirqd/008:40:180
15129995725,6cyclictest9-21ksoftirqd/012:10:180
15129995723,6cyclictest9-21ksoftirqd/011:45:150
15130995626,9cyclictest25-21ksoftirqd/111:45:111
15130995625,7cyclictest25-21ksoftirqd/107:55:161
15130995623,8cyclictest25-21ksoftirqd/112:05:131
15130995622,7cyclictest25-21ksoftirqd/108:20:221
15129995622,7cyclictest9-21ksoftirqd/007:15:240
15129995622,6cyclictest9-21ksoftirqd/007:45:280
15129995621,6cyclictest9-21ksoftirqd/009:10:200
138491560,1ptp4l401ktimersoftd/308:49:403
15130995526,4cyclictest25-21ksoftirqd/110:25:131
15130995525,6cyclictest25-21ksoftirqd/112:20:251
15130995519,6cyclictest25-21ksoftirqd/108:03:141
15130995518,4cyclictest25-21ksoftirqd/109:15:011
15129995526,4cyclictest9-21ksoftirqd/008:50:130
15130995429,4cyclictest25-21ksoftirqd/107:15:151
15130995423,9cyclictest25-21ksoftirqd/108:45:261
15130995422,7cyclictest25-21ksoftirqd/111:35:131
15130995422,4cyclictest25-21ksoftirqd/112:25:111
15130995418,6cyclictest25-21ksoftirqd/110:39:521
1512999546,8cyclictest9-21ksoftirqd/008:20:000
1512999545,3cyclictest9-21ksoftirqd/008:40:000
138491540,1ptp4l401ktimersoftd/309:04:533
1513099534,9cyclictest25-21ksoftirqd/108:25:231
1513099534,9cyclictest25-21ksoftirqd/108:25:231
15130995319,9cyclictest25-21ksoftirqd/111:50:161
15129995325,3cyclictest9-21ksoftirqd/007:40:130
15129995323,6cyclictest9-21ksoftirqd/009:35:130
15129995322,6cyclictest9-21ksoftirqd/012:00:130
15129995321,6cyclictest9-21ksoftirqd/009:25:200
15129995318,6cyclictest9-21ksoftirqd/008:20:210
138491530,1ptp4l401ktimersoftd/310:09:423
138491530,0ptp4l401ktimersoftd/311:06:403
167522520,2sleep00-21swapper/009:20:250
15129995225,3cyclictest9-21ksoftirqd/009:00:220
15130995149,1cyclictest231rcuc/110:01:421
15130995148,2cyclictest231rcuc/107:34:011
15130995147,2cyclictest231rcuc/109:52:251
1512999515,8cyclictest9-21ksoftirqd/008:10:000
1512999513,7cyclictest9-21ksoftirqd/011:20:250
15129995123,3cyclictest9-21ksoftirqd/008:45:230
1513099506,4cyclictest25-21ksoftirqd/108:30:241
15130995048,1cyclictest231rcuc/111:28:281
15130995047,2cyclictest231rcuc/108:11:391
1512999506,3cyclictest9-21ksoftirqd/010:55:230
1512999504,7cyclictest9-21ksoftirqd/011:25:240
1512999503,9cyclictest9-21ksoftirqd/010:15:010
1512999502,8cyclictest9-21ksoftirqd/010:05:000
15129995022,10cyclictest9-21ksoftirqd/012:15:110
15129995020,6cyclictest9-21ksoftirqd/008:25:250
15129995020,6cyclictest9-21ksoftirqd/008:25:250
15129995014,3cyclictest9-21ksoftirqd/007:10:100
138491500,9ptp4l401ktimersoftd/311:31:043
138491500,9ptp4l401ktimersoftd/311:31:033
138491500,1ptp4l401ktimersoftd/308:02:003
15130994920,4cyclictest25-21ksoftirqd/112:17:021
15130994920,4cyclictest25-21ksoftirqd/111:20:261
15129994933,4cyclictest9-21ksoftirqd/010:45:230
15129994930,10cyclictest9-21ksoftirqd/011:15:240
1512999492,7cyclictest9-21ksoftirqd/008:10:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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