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2026-01-31 - 19:45
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 Sat Jan 31, 2026 12:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591204170,22phc2sys0-21swapper/307:07:473
239472200167,22sleep10-21swapper/107:08:021
238252199165,22sleep20-21swapper/207:06:262
239102165104,48sleep00-21swapper/007:07:320
138591164122,33phc2sys0-21swapper/307:10:013
2630021510,4sleep22439899cyclictest11:30:152
138491610,1ptp4l391rcuc/310:05:273
2439999590,21cyclictest14686-21sshd08:57:083
203872580,3sleep233-21ksoftirqd/209:10:132
138491580,1ptp4l391rcuc/308:35:253
311112570,2sleep30-21swapper/311:40:143
119552530,1sleep10-21swapper/108:50:271
260212520,5sleep226023-21fschecks_time10:25:152
24398995130,18cyclictest33-21ksoftirqd/208:05:112
138491510,1ptp4l391rcuc/309:00:453
96822450,1sleep10-21swapper/107:45:001
138491410,0ptp4l401ktimersoftd/311:34:563
2439999401,34cyclictest16190-21apt-get12:15:123
138491400,0ptp4l401ktimersoftd/312:00:133
24399993831,4cyclictest41-21ksoftirqd/311:40:003
24398993831,4cyclictest33-21ksoftirqd/208:51:132
24397993831,4cyclictest23160-21turbostat.cron11:25:001
138491380,0ptp4l401ktimersoftd/307:50:283
24399993731,4cyclictest41-21ksoftirqd/311:58:443
24399993731,4cyclictest41-21ksoftirqd/308:42:313
2439999372,20cyclictest0-21swapper/312:10:153
24396993732,3cyclictest9-21ksoftirqd/010:25:330
24396993732,3cyclictest9-21ksoftirqd/009:20:010
24396993722,5cyclictest9-21ksoftirqd/010:24:090
24399993630,4cyclictest41-21ksoftirqd/310:33:033
24399993630,4cyclictest41-21ksoftirqd/310:12:293
24398993630,4cyclictest33-21ksoftirqd/209:33:282
24398993630,4cyclictest33-21ksoftirqd/209:19:292
24398993629,4cyclictest33-21ksoftirqd/211:38:222
24398993629,4cyclictest33-21ksoftirqd/210:12:042
24397993630,4cyclictest25-21ksoftirqd/111:44:011
24397993630,4cyclictest25-21ksoftirqd/109:15:541
24397993630,4cyclictest25-21ksoftirqd/107:59:331
24396993630,4cyclictest9-21ksoftirqd/012:35:550
24396993630,4cyclictest9-21ksoftirqd/008:39:350
24396993630,4cyclictest9-21ksoftirqd/008:31:050
24399993529,4cyclictest41-21ksoftirqd/311:53:023
24399993529,4cyclictest41-21ksoftirqd/307:31:023
24398993529,4cyclictest33-21ksoftirqd/211:18:392
24398993529,4cyclictest33-21ksoftirqd/211:03:022
24398993529,4cyclictest33-21ksoftirqd/210:20:582
24398993529,4cyclictest33-21ksoftirqd/209:42:512
24398993529,4cyclictest33-21ksoftirqd/209:26:422
24398993529,3cyclictest33-21ksoftirqd/210:45:112
24398993528,4cyclictest33-21ksoftirqd/209:45:142
24397993530,3cyclictest25-21ksoftirqd/111:05:101
24397993530,3cyclictest25-21ksoftirqd/110:05:111
24397993529,4cyclictest25-21ksoftirqd/112:35:521
24397993529,4cyclictest25-21ksoftirqd/110:02:451
24396993529,4cyclictest9-21ksoftirqd/012:15:090
24396993529,4cyclictest9-21ksoftirqd/011:57:160
24396993529,4cyclictest9-21ksoftirqd/011:03:440
24396993529,4cyclictest9-21ksoftirqd/010:43:440
24396993529,4cyclictest9-21ksoftirqd/010:17:360
24396993529,4cyclictest9-21ksoftirqd/008:44:080
24396993529,4cyclictest9-21ksoftirqd/007:10:410
24396993528,5cyclictest9-21ksoftirqd/007:53:180
24399993428,4cyclictest41-21ksoftirqd/310:20:433
24399993428,4cyclictest41-21ksoftirqd/308:27:343
24399993424,7cyclictest41-21ksoftirqd/308:52:533
2439999340,2cyclictest22378-21apt-get08:10:113
24398993429,3cyclictest33-21ksoftirqd/210:15:132
24398993428,4cyclictest33-21ksoftirqd/211:23:332
24398993428,4cyclictest33-21ksoftirqd/211:06:402
24398993428,4cyclictest33-21ksoftirqd/208:55:462
24398993428,4cyclictest33-21ksoftirqd/208:03:072
24398993428,4cyclictest33-21ksoftirqd/208:03:072
24398993428,4cyclictest33-21ksoftirqd/207:44:292
24398993427,4cyclictest33-21ksoftirqd/212:39:542
24397993428,4cyclictest25-21ksoftirqd/111:31:091
24397993428,4cyclictest25-21ksoftirqd/109:59:151
24397993428,4cyclictest25-21ksoftirqd/109:50:561
24396993429,3cyclictest9-21ksoftirqd/011:31:090
24396993429,3cyclictest9-21ksoftirqd/011:10:100
24396993428,4cyclictest9-21ksoftirqd/012:30:260
24396993428,4cyclictest9-21ksoftirqd/009:02:010
24396993428,4cyclictest9-21ksoftirqd/008:28:360
24396993428,4cyclictest9-21ksoftirqd/008:18:280
24396993428,4cyclictest9-21ksoftirqd/008:07:580
24396993428,4cyclictest9-21ksoftirqd/007:46:000
24399993328,3cyclictest41-21ksoftirqd/310:35:113
24399993328,3cyclictest41-21ksoftirqd/308:48:493
24399993328,3cyclictest41-21ksoftirqd/308:32:493
24399993327,4cyclictest41-21ksoftirqd/311:25:423
24399993327,4cyclictest41-21ksoftirqd/311:24:133
24399993327,4cyclictest41-21ksoftirqd/310:49:353
24399993327,4cyclictest41-21ksoftirqd/309:41:113
24399993327,4cyclictest41-21ksoftirqd/308:09:053
24399993327,4cyclictest41-21ksoftirqd/308:04:033
24399993327,4cyclictest41-21ksoftirqd/308:04:033
24399993326,4cyclictest41-21ksoftirqd/307:26:453
24398993328,3cyclictest33-21ksoftirqd/209:02:592
24398993327,4cyclictest33-21ksoftirqd/212:03:322
24398993327,4cyclictest33-21ksoftirqd/211:49:122
24398993327,4cyclictest33-21ksoftirqd/209:07:252
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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