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2026-02-21 - 15:34
[ 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 rackdslot1.osadl.org (updated Sat Feb 21, 2026 12:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2626221730,6sleep13089899cyclictest10:25:271
460021580,5sleep23089999cyclictest12:00:152
244402940,3sleep30-21swapper/309:15:003
30900996617,8cyclictest41-21ksoftirqd/311:52:233
303302660,4sleep13089899cyclictest08:15:251
134491650,4ptp4l25562-21systemctl08:05:252
30900996433,3cyclictest41-21ksoftirqd/308:40:233
30900996430,4cyclictest41-21ksoftirqd/308:05:163
30900996420,9cyclictest41-21ksoftirqd/310:30:193
30900996332,4cyclictest41-21ksoftirqd/309:05:223
30899996324,6cyclictest33-21ksoftirqd/209:20:002
134491630,4ptp4l2318-21gnome-shell10:37:591
30900996232,3cyclictest41-21ksoftirqd/310:20:153
30900996131,3cyclictest41-21ksoftirqd/307:20:263
30900996130,4cyclictest41-21ksoftirqd/308:50:143
30899996128,6cyclictest33-21ksoftirqd/208:10:172
134491610,4ptp4l0-21swapper/212:19:042
30900996025,4cyclictest41-21ksoftirqd/312:15:173
30900995924,8cyclictest41-21ksoftirqd/310:45:293
30900995921,9cyclictest41-21ksoftirqd/311:20:283
30899995929,4cyclictest33-21ksoftirqd/207:57:332
30899995926,15cyclictest33-21ksoftirqd/212:35:002
90422580,5sleep09046-21latency_hist12:10:000
30900995833,3cyclictest41-21ksoftirqd/307:25:143
30900995820,7cyclictest41-21ksoftirqd/310:00:193
30900995815,8cyclictest41-21ksoftirqd/308:35:113
30899995823,7cyclictest33-21ksoftirqd/211:30:002
134491580,4ptp4l2166-21df11:55:141
134491580,4ptp4l0-21swapper/307:48:183
134491580,3ptp4l0-21swapper/310:17:443
134491580,3ptp4l0-21swapper/108:25:331
30900995726,3cyclictest41-21ksoftirqd/311:25:163
30900995718,9cyclictest41-21ksoftirqd/309:55:243
30899995728,3cyclictest33-21ksoftirqd/211:05:592
30899995726,4cyclictest33-21ksoftirqd/208:00:222
30899995725,7cyclictest33-21ksoftirqd/208:31:232
30899995719,3cyclictest33-21ksoftirqd/210:00:252
134491570,4ptp4l0-21swapper/312:39:173
134491570,4ptp4l0-21swapper/108:30:161
134491570,3ptp4l0-21swapper/009:08:090
30900995635,3cyclictest41-21ksoftirqd/308:01:103
30900995619,8cyclictest41-21ksoftirqd/308:30:573
30900995618,7cyclictest41-21ksoftirqd/310:42:283
30899995622,5cyclictest33-21ksoftirqd/207:40:002
30899995621,7cyclictest33-21ksoftirqd/210:05:172
134491560,4ptp4l0-21swapper/312:20:133
134491560,4ptp4l0-21swapper/308:23:183
30900995525,7cyclictest41-21ksoftirqd/310:27:033
30900995520,4cyclictest41-21ksoftirqd/312:00:393
30899995526,5cyclictest33-21ksoftirqd/210:35:422
30899995524,7cyclictest33-21ksoftirqd/211:30:182
30899995524,6cyclictest33-21ksoftirqd/208:43:372
30899995522,9cyclictest33-21ksoftirqd/210:10:242
30899995522,4cyclictest33-21ksoftirqd/209:50:172
30899995521,6cyclictest33-21ksoftirqd/211:25:002
134491550,17ptp4l0-21swapper/112:25:261
71552540,4sleep27158-21unixbench_singl07:25:272
30900995423,9cyclictest41-21ksoftirqd/309:30:123
30900995417,8cyclictest41-21ksoftirqd/310:11:513
30899995425,4cyclictest33-21ksoftirqd/209:55:492
30899995424,6cyclictest33-21ksoftirqd/210:40:242
30899995423,9cyclictest33-21ksoftirqd/212:06:162
30899995423,4cyclictest33-21ksoftirqd/207:30:232
30899995422,9cyclictest33-21ksoftirqd/210:55:002
134491540,5ptp4l0-21swapper/007:05:380
134491540,4ptp4l0-21swapper/207:40:182
134491540,4ptp4l0-21swapper/107:50:101
30900995342,2cyclictest41-21ksoftirqd/312:35:013
30900995339,6cyclictest41-21ksoftirqd/309:49:493
30900995323,3cyclictest41-21ksoftirqd/311:10:183
30900995322,8cyclictest41-21ksoftirqd/308:19:103
30900995318,8cyclictest41-21ksoftirqd/310:53:553
30899995327,4cyclictest33-21ksoftirqd/211:58:432
3089999532,6cyclictest0-21swapper/210:15:122
30899995325,7cyclictest33-21ksoftirqd/211:42:572
30899995325,4cyclictest33-21ksoftirqd/210:47:252
30899995323,6cyclictest33-21ksoftirqd/210:28:352
30899995322,8cyclictest33-21ksoftirqd/209:30:222
30899995322,4cyclictest33-21ksoftirqd/207:46:092
30899995321,8cyclictest33-21ksoftirqd/208:25:132
30899995321,3cyclictest33-21ksoftirqd/212:25:182
30899995318,3cyclictest33-21ksoftirqd/208:50:182
134491530,4ptp4l0-21swapper/307:54:193
30900995237,3cyclictest41-21ksoftirqd/309:05:013
30900995220,9cyclictest41-21ksoftirqd/308:25:233
30900995219,9cyclictest41-21ksoftirqd/310:35:193
30900995217,9cyclictest41-21ksoftirqd/309:44:433
3089999526,4cyclictest33-21ksoftirqd/209:35:182
30899995222,3cyclictest33-21ksoftirqd/212:25:002
30899995221,8cyclictest33-21ksoftirqd/208:35:272
30899995220,7cyclictest33-21ksoftirqd/208:55:332
30899995218,4cyclictest33-21ksoftirqd/209:40:162
30899995218,3cyclictest33-21ksoftirqd/207:50:262
249432520,4sleep00-21swapper/010:25:130
134491520,4ptp4l0-21swapper/111:06:311
134491520,3ptp4l0-21swapper/111:13:161
3090099515,6cyclictest41-21ksoftirqd/312:15:003
3090099513,7cyclictest41-21ksoftirqd/307:15:223
3090099513,7cyclictest41-21ksoftirqd/307:15:223
30900995135,4cyclictest41-21ksoftirqd/307:40:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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