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2026-01-14 - 22:12
[ 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 100 highest latencies:
System rackdslot1.osadl.org (updated Wed Jan 14, 2026 12:45:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2628421760,7sleep00-21swapper/007:05:240
134491700,3ptp4l15994-21iostat_ios11:25:180
134491670,5ptp4l0-21swapper/008:25:120
134491650,3ptp4l6522-21iostat_ios09:55:170
134491640,3ptp4l22411-21diskstats10:30:140
80162620,6sleep38001-21cron10:00:003
134491620,4ptp4l15522-21users07:50:370
134491610,4ptp4l28347-21ntpq07:10:230
134491610,4ptp4l23063-21apt-get08:10:120
134491610,4ptp4l0-21swapper/109:20:171
2721199607,7cyclictest0-21swapper/211:30:282
134491600,3ptp4l0-21swapper/010:20:130
2721199587,7cyclictest0-21swapper/211:15:172
2721199587,6cyclictest0-21swapper/208:20:262
134491580,4ptp4l16597-21apt-get09:05:121
134491580,4ptp4l0-21swapper/212:34:222
134491580,4ptp4l0-21swapper/108:56:041
2721199578,6cyclictest0-21swapper/210:35:212
2721199577,6cyclictest0-21swapper/209:10:202
134491570,4ptp4l0-21swapper/008:21:520
134491570,3ptp4l0-21swapper/010:43:470
134491570,3ptp4l0-21swapper/007:57:560
2721199568,11cyclictest0-21swapper/208:45:272
2721199567,6cyclictest0-21swapper/210:50:132
2721199567,6cyclictest0-21swapper/210:20:262
2721199567,6cyclictest0-21swapper/209:45:342
2721199567,6cyclictest0-21swapper/208:50:152
2721199567,6cyclictest0-21swapper/208:25:202
249812560,7sleep12721099cyclictest10:35:161
134491560,4ptp4l0-21swapper/207:05:172
72742550,5sleep341-21ksoftirqd/311:05:243
2721199557,6cyclictest0-21swapper/210:05:222
2721199557,6cyclictest0-21swapper/207:30:162
2721199557,6cyclictest0-21swapper/207:10:282
2721199557,12cyclictest0-21swapper/207:40:142
134491550,5ptp4l0-21swapper/107:06:321
134491550,4ptp4l0-21swapper/212:13:482
134491550,4ptp4l0-21swapper/107:30:151
134491550,4ptp4l0-21swapper/010:45:180
2721199548,7cyclictest0-21swapper/210:25:272
2721199548,6cyclictest0-21swapper/212:35:122
2721199548,6cyclictest0-21swapper/208:15:272
2721199547,6cyclictest0-21swapper/209:05:172
2721199547,6cyclictest0-21swapper/207:55:502
2721199547,12cyclictest0-21swapper/211:50:152
2721199547,12cyclictest0-21swapper/211:50:152
2721199547,11cyclictest0-21swapper/211:35:132
2721199547,11cyclictest0-21swapper/209:15:152
2721199547,10cyclictest0-21swapper/212:15:262
2721199544,6cyclictest0-21swapper/211:25:262
134491540,4ptp4l0-21swapper/009:25:230
2721199537,6cyclictest0-21swapper/209:59:502
2721199537,6cyclictest0-21swapper/209:50:172
2721199537,6cyclictest0-21swapper/209:20:262
2721199537,11cyclictest0-21swapper/210:10:182
2721199536,6cyclictest0-21swapper/210:45:122
2721199536,6cyclictest0-21swapper/210:00:212
134491530,4ptp4l0-21swapper/112:07:061
134491530,4ptp4l0-21swapper/012:25:220
2721199527,7cyclictest0-21swapper/212:05:212
2721199527,7cyclictest0-21swapper/210:32:092
2721199527,11cyclictest0-21swapper/211:40:222
2721199527,10cyclictest0-21swapper/208:40:172
2721199526,6cyclictest0-21swapper/211:24:352
134491520,4ptp4l0-21swapper/110:22:321
134491520,4ptp4l0-21swapper/008:38:200
134491520,3ptp4l0-21swapper/110:45:251
134491520,3ptp4l0-21swapper/011:17:060
134491520,3ptp4l0-21swapper/010:25:250
2721199517,6cyclictest0-21swapper/212:25:232
2721199517,6cyclictest0-21swapper/208:35:112
2721199516,6cyclictest0-21swapper/208:08:222
2721199513,6cyclictest26736-21cpu10:40:112
2721199513,25cyclictest0-21swapper/211:56:322
134491510,4ptp4l0-21swapper/211:01:222
134491510,4ptp4l0-21swapper/111:04:121
134491510,4ptp4l0-21swapper/010:16:100
134491510,4ptp4l0-21swapper/009:24:090
134491510,12ptp4l0-21swapper/109:56:251
134491510,12ptp4l0-21swapper/011:23:590
2721199507,6cyclictest0-21swapper/211:05:192
2721199507,6cyclictest0-21swapper/209:00:202
2721199505,5cyclictest0-21swapper/208:56:562
272022500,4sleep233-21ksoftirqd/209:25:252
134491500,4ptp4l0-21swapper/308:22:483
134491500,4ptp4l0-21swapper/308:15:163
134491500,4ptp4l0-21swapper/111:15:571
134491500,4ptp4l0-21swapper/109:38:561
134491500,4ptp4l0-21swapper/107:42:361
134491500,4ptp4l0-21swapper/010:59:590
134491500,4ptp4l0-21swapper/008:58:480
134491500,4ptp4l0-21swapper/007:45:160
134491500,4ptp4l0-21swapper/007:16:480
134491500,3ptp4l0-21swapper/109:49:511
134491500,3ptp4l0-21swapper/008:15:230
2721199493,7cyclictest33-21ksoftirqd/207:45:172
134491490,4ptp4l0-21swapper/112:28:161
134491490,4ptp4l0-21swapper/108:36:531
134491490,4ptp4l0-21swapper/010:53:360
134491490,4ptp4l0-21swapper/010:01:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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