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2026-02-19 - 12:05
[ 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 Thu Feb 19, 2026 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2043421770,3sleep22834299cyclictest22:20:182
2043421770,3sleep22834299cyclictest22:20:182
287432680,4sleep20-21swapper/219:10:142
134491650,4ptp4l0-21swapper/119:55:211
2834399645,11cyclictest0-21swapper/319:30:243
2834399645,11cyclictest0-21swapper/319:30:243
28343996122,6cyclictest41-21ksoftirqd/300:15:003
134491610,5ptp4l0-21swapper/119:30:231
134491610,5ptp4l0-21swapper/119:30:231
28343996029,4cyclictest41-21ksoftirqd/320:50:253
2834399602,30cyclictest0-21swapper/321:31:033
134491600,3ptp4l0-21swapper/120:31:161
2834399597,12cyclictest0-21swapper/322:20:093
2834399597,12cyclictest0-21swapper/322:20:093
2834399597,12cyclictest0-21swapper/320:37:523
2834399595,7cyclictest0-21swapper/322:30:263
134491590,4ptp4l0-21swapper/120:59:371
134491590,4ptp4l0-21swapper/120:43:251
2834399582,30cyclictest0-21swapper/322:26:483
2834399582,28cyclictest0-21swapper/321:11:433
2834399577,6cyclictest0-21swapper/300:30:123
2834399572,12cyclictest0-21swapper/319:40:283
134491570,4ptp4l0-21swapper/019:31:080
134491570,4ptp4l0-21swapper/019:31:080
134491570,3ptp4l0-21swapper/122:15:191
134491570,3ptp4l0-21swapper/019:20:160
134491560,4ptp4l0-21swapper/120:49:191
134491560,3ptp4l0-21swapper/100:03:161
2834399557,7cyclictest0-21swapper/321:22:403
2834399555,6cyclictest0-21swapper/319:50:293
134491550,5ptp4l0-21swapper/022:53:550
134491550,5ptp4l0-21swapper/022:53:550
134491550,3ptp4l0-21swapper/120:05:291
2834399544,6cyclictest0-21swapper/320:40:183
169542540,3sleep20-21swapper/221:05:012
134491540,5ptp4l0-21swapper/120:18:271
134491540,4ptp4l0-21swapper/222:55:122
134491540,4ptp4l0-21swapper/021:54:250
134491540,3ptp4l0-21swapper/021:09:250
134491540,3ptp4l0-21swapper/020:32:580
134491540,15ptp4l0-21swapper/119:29:361
2834399535,6cyclictest0-21swapper/323:56:213
2834399535,6cyclictest0-21swapper/323:32:093
2834399535,6cyclictest0-21swapper/323:17:173
2834399535,6cyclictest0-21swapper/319:11:103
2834399534,7cyclictest0-21swapper/322:46:083
27972530,3sleep30-21swapper/319:25:003
134491530,4ptp4l0-21swapper/220:10:302
134491530,4ptp4l0-21swapper/023:56:130
134491530,10ptp4l0-21swapper/121:45:121
2834399526,6cyclictest0-21swapper/323:13:523
2834399526,6cyclictest0-21swapper/319:46:253
2834399525,6cyclictest0-21swapper/322:15:313
2834399524,6cyclictest0-21swapper/321:54:333
2834399524,6cyclictest0-21swapper/320:00:083
2834399522,6cyclictest0-21swapper/320:45:183
28343995224,9cyclictest41-21ksoftirqd/320:14:313
2834399522,25cyclictest0-21swapper/319:55:463
134491520,4ptp4l0-21swapper/119:54:251
134491520,4ptp4l0-21swapper/022:35:500
134491520,4ptp4l0-21swapper/021:35:500
134491520,4ptp4l0-21swapper/020:49:470
134491520,4ptp4l0-21swapper/020:41:590
134491520,4ptp4l0-21swapper/020:03:530
134491520,4ptp4l0-21swapper/019:08:580
2834399514,6cyclictest0-21swapper/322:57:433
2834399514,6cyclictest0-21swapper/319:15:523
2834399512,7cyclictest0-21swapper/321:05:143
134491510,4ptp4l0-21swapper/021:42:340
134491510,4ptp4l0-21swapper/020:51:520
134491510,3ptp4l0-21swapper/123:53:091
134491510,3ptp4l0-21swapper/121:35:061
2834399506,7cyclictest0-21swapper/322:05:333
2834399506,12cyclictest0-21swapper/321:55:423
2834399505,7cyclictest0-21swapper/321:38:413
2834399505,6cyclictest0-21swapper/322:53:423
2834399505,6cyclictest0-21swapper/322:53:423
2834399505,6cyclictest0-21swapper/322:01:553
2834399504,7cyclictest0-21swapper/321:15:103
2834399504,6cyclictest0-21swapper/323:06:423
2834399503,6cyclictest0-21swapper/300:05:243
134491500,4ptp4l0-21swapper/000:08:390
134491500,1ptp4l0-21swapper/023:47:500
134491500,10ptp4l0-21swapper/200:28:062
2834399497,6cyclictest0-21swapper/323:20:553
2834399496,5cyclictest0-21swapper/321:27:573
2834399495,6cyclictest0-21swapper/320:26:113
2834399494,6cyclictest0-21swapper/321:43:543
2834399493,5cyclictest0-21swapper/320:07:473
2834399493,10cyclictest0-21swapper/323:40:253
134491490,4ptp4l0-21swapper/122:32:041
134491490,4ptp4l0-21swapper/121:50:241
134491490,4ptp4l0-21swapper/121:26:371
134491490,3ptp4l0-21swapper/120:22:261
2834399486,6cyclictest0-21swapper/322:12:383
2834399486,6cyclictest0-21swapper/320:58:583
2834399485,7cyclictest0-21swapper/322:43:443
2834399485,6cyclictest0-21swapper/320:22:073
2834399484,7cyclictest0-21swapper/319:25:273
134491480,6ptp4l26846-21irqstats19:05:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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