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2026-02-27 - 11:20
[ 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 Fri Feb 27, 2026 00:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
167482229162,21sleep20-21swapper/219:08:132
167932206170,24sleep00-21swapper/019:08:470
166702205171,23sleep10-21swapper/119:07:121
138591205172,22phc2sys0-21swapper/319:07:483
1385918161,11phc2sys0-21swapper/319:10:003
138491660,1ptp4l401ktimersoftd/320:26:433
17180996323,8cyclictest33-21ksoftirqd/219:58:122
138491610,8ptp4l401ktimersoftd/323:26:143
17180995927,4cyclictest33-21ksoftirqd/220:55:182
17180995926,6cyclictest33-21ksoftirqd/223:35:132
17180995922,7cyclictest33-21ksoftirqd/219:20:002
17180995831,3cyclictest33-21ksoftirqd/221:50:142
17180995830,7cyclictest33-21ksoftirqd/219:35:002
17180995829,4cyclictest33-21ksoftirqd/223:20:232
17180995828,8cyclictest33-21ksoftirqd/220:40:012
317852570,2sleep10-21swapper/100:00:001
17180995728,7cyclictest33-21ksoftirqd/220:20:002
17180995727,4cyclictest33-21ksoftirqd/223:05:262
17180995719,9cyclictest33-21ksoftirqd/222:15:002
138491570,0ptp4l401ktimersoftd/323:05:263
1718099568,7cyclictest33-21ksoftirqd/222:35:002
17180995627,7cyclictest33-21ksoftirqd/223:45:152
17180995627,7cyclictest33-21ksoftirqd/223:45:152
17180995627,7cyclictest33-21ksoftirqd/221:00:172
17180995625,7cyclictest33-21ksoftirqd/223:10:152
17180995617,5cyclictest33-21ksoftirqd/220:40:162
17180995531,7cyclictest33-21ksoftirqd/200:07:092
17180995527,4cyclictest33-21ksoftirqd/219:45:272
17180995526,7cyclictest33-21ksoftirqd/221:40:142
17180995525,3cyclictest33-21ksoftirqd/221:35:122
17180995428,7cyclictest33-21ksoftirqd/200:15:252
17180995427,6cyclictest33-21ksoftirqd/219:25:002
17180995427,3cyclictest33-21ksoftirqd/223:25:242
17180995426,4cyclictest33-21ksoftirqd/222:50:012
17180995426,3cyclictest33-21ksoftirqd/223:15:262
17180995425,3cyclictest33-21ksoftirqd/200:35:132
17180995423,6cyclictest33-21ksoftirqd/200:30:152
17180995422,4cyclictest33-21ksoftirqd/222:05:182
138491540,1ptp4l401ktimersoftd/323:02:473
227292530,2sleep00-21swapper/020:25:130
17180995327,7cyclictest33-21ksoftirqd/219:55:002
17180995327,3cyclictest33-21ksoftirqd/222:37:042
17180995325,4cyclictest33-21ksoftirqd/223:55:002
17180995323,5cyclictest33-21ksoftirqd/222:50:262
17180995320,9cyclictest33-21ksoftirqd/222:00:152
17180995316,4cyclictest33-21ksoftirqd/219:40:282
138491530,0ptp4l401ktimersoftd/319:50:133
17180995227,6cyclictest33-21ksoftirqd/200:25:002
17180995224,6cyclictest33-21ksoftirqd/223:05:002
17180995219,6cyclictest33-21ksoftirqd/221:20:252
17180995219,5cyclictest33-21ksoftirqd/219:40:002
17180995217,9cyclictest33-21ksoftirqd/220:25:202
138491520,1ptp4l401ktimersoftd/321:48:043
1718099516,8cyclictest33-21ksoftirqd/220:45:172
17180995132,6cyclictest33-21ksoftirqd/221:14:592
17180995122,3cyclictest33-21ksoftirqd/222:15:192
17180995119,3cyclictest33-21ksoftirqd/219:29:472
158662510,2sleep10-21swapper/122:20:191
1718099504,3cyclictest33-21ksoftirqd/220:50:222
17180995025,8cyclictest33-21ksoftirqd/200:10:252
17180995024,4cyclictest33-21ksoftirqd/221:05:182
17180995022,6cyclictest33-21ksoftirqd/222:20:242
17180995018,9cyclictest33-21ksoftirqd/220:20:262
17180995018,3cyclictest33-21ksoftirqd/223:55:182
17180995015,11cyclictest33-21ksoftirqd/200:25:112
138491500,1ptp4l401ktimersoftd/321:19:583
17180994929,3cyclictest33-21ksoftirqd/221:48:262
17180994925,7cyclictest33-21ksoftirqd/221:35:002
17180994917,6cyclictest33-21ksoftirqd/220:00:132
17180994916,3cyclictest33-21ksoftirqd/220:14:572
17180994911,6cyclictest33-21ksoftirqd/222:25:242
17180994824,6cyclictest33-21ksoftirqd/223:31:552
17180994819,5cyclictest33-21ksoftirqd/220:05:262
17180994819,5cyclictest33-21ksoftirqd/220:05:262
17180994818,6cyclictest33-21ksoftirqd/220:30:142
17179994825,8cyclictest25-21ksoftirqd/121:15:151
17180994637,2cyclictest33-21ksoftirqd/223:45:002
17180994627,10cyclictest33-21ksoftirqd/200:00:282
17180994616,9cyclictest33-21ksoftirqd/223:00:012
17180994613,6cyclictest33-21ksoftirqd/222:40:202
17180994613,6cyclictest33-21ksoftirqd/222:40:202
17180994613,5cyclictest33-21ksoftirqd/221:55:222
1688624634,7sleep00-21swapper/019:10:010
17179994439,3cyclictest12270-21uname21:10:001
138491440,0ptp4l401ktimersoftd/322:10:363
1718099436,2cyclictest33-21ksoftirqd/221:15:252
1717999437,4cyclictest25-21ksoftirqd/119:50:201
138491430,0ptp4l401ktimersoftd/320:11:023
1718099420,5cyclictest33-21ksoftirqd/221:25:262
138491420,0ptp4l401ktimersoftd/319:30:313
138491420,0ptp4l401ktimersoftd/319:25:163
17180994128,3cyclictest33-21ksoftirqd/219:10:182
1717999419,8cyclictest25-21ksoftirqd/122:10:241
1717999418,7cyclictest25-21ksoftirqd/120:00:001
138491410,1ptp4l391rcuc/323:55:253
138491410,0ptp4l401ktimersoftd/322:30:303
17178994035,3cyclictest2153-21sh20:50:000
138491400,0ptp4l401ktimersoftd/319:59:063
1718199390,38cyclictest1859-21kworker/3:020:40:443
1717999396,6cyclictest25-21ksoftirqd/119:35:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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