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2026-02-09 - 12:05
[ 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 highest latencies:
System rackdslot4.osadl.org (updated Mon Feb 09, 2026 00:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
289402229162,22sleep30-21swapper/319:05:443
290552202168,23sleep20-21swapper/219:07:082
289372201168,22sleep00-21swapper/019:05:410
290542199166,22sleep10-21swapper/119:07:071
2339721760,7sleep02956899cyclictest20:00:220
1384911020,1ptp4l1341-21timerwakeupswit21:25:263
29571996231,4cyclictest41-21ksoftirqd/300:35:013
179752600,2sleep00-21swapper/019:50:180
29571995931,7cyclictest41-21ksoftirqd/323:20:003
29571995622,8cyclictest41-21ksoftirqd/322:35:003
303062550,6sleep12349-21apache220:15:191
29571995526,4cyclictest41-21ksoftirqd/319:27:173
29571995525,7cyclictest41-21ksoftirqd/321:25:003
29571995524,8cyclictest41-21ksoftirqd/322:25:183
29571995524,4cyclictest41-21ksoftirqd/320:20:133
29571995524,4cyclictest41-21ksoftirqd/300:25:163
29571995425,3cyclictest41-21ksoftirqd/320:15:003
29571995424,7cyclictest41-21ksoftirqd/319:10:183
29571995423,9cyclictest41-21ksoftirqd/300:24:593
29571995422,3cyclictest41-21ksoftirqd/319:55:003
29571995327,4cyclictest41-21ksoftirqd/323:05:163
29571995323,4cyclictest41-21ksoftirqd/322:35:173
29571995319,3cyclictest41-21ksoftirqd/320:50:253
245182530,2sleep30-21swapper/321:10:003
50798520,14rtkit-daemon2942-21/usr/sbin/munin21:30:171
29571995224,4cyclictest41-21ksoftirqd/321:55:143
29571995223,3cyclictest41-21ksoftirqd/321:00:173
29571995222,4cyclictest41-21ksoftirqd/320:30:173
29571995220,7cyclictest41-21ksoftirqd/321:15:133
21312520,4sleep02125-21latency_hist23:40:000
29571995123,17cyclictest41-21ksoftirqd/322:45:253
29571995122,4cyclictest41-21ksoftirqd/319:15:173
29571995120,7cyclictest41-21ksoftirqd/321:50:133
29571995115,7cyclictest41-21ksoftirqd/319:30:233
29571995114,6cyclictest41-21ksoftirqd/322:15:163
29571995030,11cyclictest41-21ksoftirqd/300:05:003
29571995023,7cyclictest41-21ksoftirqd/319:20:133
29571995021,4cyclictest41-21ksoftirqd/323:55:003
29571995021,3cyclictest41-21ksoftirqd/321:30:193
29571995019,8cyclictest41-21ksoftirqd/320:45:123
29571995019,8cyclictest41-21ksoftirqd/320:45:123
29571995018,3cyclictest41-21ksoftirqd/320:55:253
29571995013,4cyclictest41-21ksoftirqd/320:15:273
2957199496,5cyclictest41-21ksoftirqd/322:25:003
29571994922,7cyclictest41-21ksoftirqd/322:10:223
29571994922,4cyclictest41-21ksoftirqd/300:35:143
29571994921,7cyclictest41-21ksoftirqd/321:40:123
29571994921,3cyclictest41-21ksoftirqd/323:45:013
29571994920,4cyclictest41-21ksoftirqd/319:40:253
29571994915,7cyclictest41-21ksoftirqd/323:30:183
2957199487,4cyclictest41-21ksoftirqd/300:10:193
29571994845,2cyclictest401ktimersoftd/320:40:223
29571994822,7cyclictest41-21ksoftirqd/322:00:143
29571994818,6cyclictest41-21ksoftirqd/322:05:183
29571994818,3cyclictest41-21ksoftirqd/323:00:153
29571994818,3cyclictest41-21ksoftirqd/323:00:153
29571994815,4cyclictest41-21ksoftirqd/320:05:223
29571994813,7cyclictest41-21ksoftirqd/321:10:273
29571994715,8cyclictest41-21ksoftirqd/300:05:163
29571994715,5cyclictest41-21ksoftirqd/321:35:233
198472470,1sleep10-21swapper/123:10:011
29571994635,3cyclictest41-21ksoftirqd/323:15:003
29571994620,3cyclictest41-21ksoftirqd/300:15:223
29571994618,7cyclictest41-21ksoftirqd/322:40:153
29571994615,4cyclictest41-21ksoftirqd/323:55:243
29571994613,4cyclictest41-21ksoftirqd/319:40:003
29569994639,4cyclictest17005-21cron19:50:001
2957199459,7cyclictest41-21ksoftirqd/319:45:153
29571994516,3cyclictest41-21ksoftirqd/323:45:113
29571994515,8cyclictest41-21ksoftirqd/322:55:133
29571994512,4cyclictest41-21ksoftirqd/321:45:123
29571994414,7cyclictest41-21ksoftirqd/323:20:163
29571994411,4cyclictest41-21ksoftirqd/323:25:143
2957199440,3cyclictest41-21ksoftirqd/320:00:123
2957199440,3cyclictest41-21ksoftirqd/320:00:013
29568994437,4cyclictest21931-21cron21:05:000
29571994333,2cyclictest41-21ksoftirqd/320:35:203
29571994312,7cyclictest41-21ksoftirqd/323:35:123
50798420,9rtkit-daemon0-21swapper/123:55:191
2957199421,2cyclictest121rcu_preempt20:25:203
29570994224,15cyclictest33-21ksoftirqd/219:34:582
29571994128,6cyclictest41-21ksoftirqd/322:50:243
50798400,2rtkit-daemon0-21swapper/121:37:221
50798400,1rtkit-daemon0-21swapper/023:01:510
50798400,1rtkit-daemon0-21swapper/023:01:510
29568994036,2cyclictest9-21ksoftirqd/022:20:000
29568994035,3cyclictest17720-21fschecks_count20:55:150
29568993934,2cyclictest9-21ksoftirqd/019:20:010
29570993816,19cyclictest799-21cat22:30:222
29569993832,4cyclictest25-21ksoftirqd/100:10:001
29568993833,3cyclictest9-21ksoftirqd/000:20:180
29568993832,3cyclictest9-21ksoftirqd/020:40:000
29568993831,4cyclictest9-21ksoftirqd/020:40:110
29570993730,4cyclictest28047-21irqrtprio23:25:182
29569993731,4cyclictest25-21ksoftirqd/121:46:321
29568993731,3cyclictest9-21ksoftirqd/019:45:140
50798360,2rtkit-daemon0-21swapper/123:00:421
50798360,2rtkit-daemon0-21swapper/123:00:421
29570993630,4cyclictest33-21ksoftirqd/220:57:032
29570993630,4cyclictest33-21ksoftirqd/200:17:052
29570993613,20cyclictest5633-21sh22:40:172
29570993612,21cyclictest15478-21if_err_enp4s023:00:172
29570993612,21cyclictest15478-21if_err_enp4s023:00:172
29570993612,21cyclictest11839-21sshd23:57:332
29569993630,4cyclictest25-21ksoftirqd/121:58:161
29568993631,3cyclictest9-21ksoftirqd/020:55:000
29568993631,3cyclictest9-21ksoftirqd/020:10:000
29568993630,4cyclictest9-21ksoftirqd/020:30:570
29570993530,3cyclictest33-21ksoftirqd/221:20:182
29570993529,4cyclictest33-21ksoftirqd/222:01:022
29570993529,4cyclictest33-21ksoftirqd/221:48:462
29570993529,4cyclictest33-21ksoftirqd/221:39:312
29570993529,4cyclictest33-21ksoftirqd/219:26:252
29570993529,4cyclictest33-21ksoftirqd/200:32:022
29570993528,5cyclictest33-21ksoftirqd/223:20:012
29570993515,18cyclictest15134-21hddtemp_smartct21:55:162
29569993530,4cyclictest25-21ksoftirqd/119:31:151
29569993529,4cyclictest25-21ksoftirqd/123:15:531
29569993529,4cyclictest25-21ksoftirqd/121:54:391
29569993529,4cyclictest25-21ksoftirqd/121:25:301
29569993529,4cyclictest25-21ksoftirqd/120:36:241
29569993529,4cyclictest25-21ksoftirqd/120:11:011
29569993529,4cyclictest25-21ksoftirqd/119:58:491
29569993529,4cyclictest25-21ksoftirqd/100:26:261
29568993530,3cyclictest9-21ksoftirqd/021:35:120
29568993530,3cyclictest20632-21irqrtprio00:15:200
29568993529,4cyclictest9-21ksoftirqd/023:45:530
29568993529,4cyclictest9-21ksoftirqd/020:12:280
29568993529,3cyclictest9-21ksoftirqd/023:45:000
29570993429,3cyclictest33-21ksoftirqd/200:11:452
29570993428,4cyclictest33-21ksoftirqd/223:38:452
29570993428,4cyclictest33-21ksoftirqd/222:52:172
29570993428,4cyclictest33-21ksoftirqd/222:13:052
29570993428,4cyclictest33-21ksoftirqd/219:18:312
29570993428,4cyclictest33-21ksoftirqd/200:29:532
29570993413,18cyclictest29980-21acpi00:35:122
29570993413,18cyclictest12286-21cut20:45:002
29569993430,3cyclictest25-21ksoftirqd/122:35:001
29569993429,3cyclictest25-21ksoftirqd/122:47:421
29569993429,3cyclictest25-21ksoftirqd/119:15:231
29569993429,3cyclictest25-21ksoftirqd/100:33:041
29569993428,4cyclictest25-21ksoftirqd/123:35:481
29569993428,4cyclictest25-21ksoftirqd/123:28:181
29569993428,4cyclictest25-21ksoftirqd/122:58:251
29569993428,4cyclictest25-21ksoftirqd/122:18:301
29569993428,4cyclictest25-21ksoftirqd/122:12:201
29569993428,4cyclictest25-21ksoftirqd/100:01:441
29568993429,3cyclictest9-21ksoftirqd/022:40:000
29568993429,3cyclictest9-21ksoftirqd/020:25:010
29568993429,3cyclictest9-21ksoftirqd/000:15:000
29568993428,4cyclictest9-21ksoftirqd/023:06:230
29568993428,4cyclictest9-21ksoftirqd/022:23:340
29568993428,4cyclictest9-21ksoftirqd/000:04:400
2957099339,3cyclictest8099-21ps23:50:192
29570993329,3cyclictest33-21ksoftirqd/221:30:002
29570993328,3cyclictest33-21ksoftirqd/221:54:412
29570993327,4cyclictest33-21ksoftirqd/222:35:362
29570993327,4cyclictest33-21ksoftirqd/221:01:242
29570993327,4cyclictest33-21ksoftirqd/220:22:332
29570993312,18cyclictest33-21ksoftirqd/219:40:582
29570993311,3cyclictest2806-21fschecks_time19:20:162
29570993311,2cyclictest4882-21/usr/sbin/munin23:45:222
29569993327,4cyclictest25-21ksoftirqd/122:50:301
29569993327,4cyclictest25-21ksoftirqd/121:15:311
29569993327,4cyclictest25-21ksoftirqd/120:55:381
29569993327,4cyclictest25-21ksoftirqd/120:31:431
29569993327,4cyclictest25-21ksoftirqd/120:24:011
29569993326,5cyclictest25-21ksoftirqd/119:53:281
29568993329,2cyclictest9-21ksoftirqd/019:15:010
29568993328,3cyclictest9-21ksoftirqd/023:28:530
29568993328,3cyclictest9-21ksoftirqd/023:25:000
29568993328,3cyclictest9-21ksoftirqd/022:55:130
29568993328,3cyclictest9-21ksoftirqd/022:35:000
29568993328,2cyclictest9-21ksoftirqd/019:35:000
29568993327,4cyclictest9-21ksoftirqd/019:59:160
29568993327,4cyclictest9-21ksoftirqd/019:41:150
2957099329,3cyclictest2651-21sed21:30:142
2957099329,3cyclictest22392-21cstates21:05:132
2957099328,4cyclictest24927-21cut22:15:162
2957099324,6cyclictest0-21swapper/200:01:082
29570993227,3cyclictest33-21ksoftirqd/220:12:082
29570993227,3cyclictest33-21ksoftirqd/219:39:342
29570993226,4cyclictest33-21ksoftirqd/223:42:022
29570993226,4cyclictest33-21ksoftirqd/219:52:162
2957099321,8cyclictest31707-21latency_hist22:30:002
29570993210,4cyclictest23471-21phc2sys20:00:222
29569993227,3cyclictest25-21ksoftirqd/122:20:101
29569993226,4cyclictest25-21ksoftirqd/123:53:291
29569993226,4cyclictest25-21ksoftirqd/121:04:161
29569993226,4cyclictest25-21ksoftirqd/120:28:501
29569993226,4cyclictest25-21ksoftirqd/119:29:491
2956999320,2cyclictest121rcu_preempt23:32:061
29568993227,3cyclictest9-21ksoftirqd/021:30:110
29568993227,3cyclictest9-21ksoftirqd/020:29:310
29568993227,2cyclictest9-21ksoftirqd/023:50:130
29568993226,4cyclictest9-21ksoftirqd/022:26:230
29568993226,4cyclictest9-21ksoftirqd/021:49:240
29568993226,4cyclictest9-21ksoftirqd/020:48:520
29568993226,4cyclictest9-21ksoftirqd/020:48:510
29568993226,4cyclictest9-21ksoftirqd/019:39:550
29568993226,3cyclictest9-21ksoftirqd/022:10:000
2957099318,4cyclictest29905-21grep23:30:122
29570993126,3cyclictest33-21ksoftirqd/220:30:062
29570993125,4cyclictest33-21ksoftirqd/219:57:432
29570993125,3cyclictest33-21ksoftirqd/223:23:032
29570993111,3cyclictest8614-21sendmail_mailst21:40:232
2957099310,10cyclictest32003-21sort19:15:012
29569993126,3cyclictest25-21ksoftirqd/120:48:271
29569993126,3cyclictest25-21ksoftirqd/120:48:271
29569993125,4cyclictest25-21ksoftirqd/121:22:541
29569993125,4cyclictest25-21ksoftirqd/100:16:161
29569993124,5cyclictest25-21ksoftirqd/123:12:581
29569993124,5cyclictest25-21ksoftirqd/100:14:441
29568993126,3cyclictest9-21ksoftirqd/022:54:410
29568993126,3cyclictest9-21ksoftirqd/021:21:030
29568993126,3cyclictest9-21ksoftirqd/020:16:290
29568993126,3cyclictest9-21ksoftirqd/000:35:200
29568993125,4cyclictest9-21ksoftirqd/021:54:460
29568993125,4cyclictest9-21ksoftirqd/021:13:420
29568993125,4cyclictest9-21ksoftirqd/000:09:400
2957099308,3cyclictest9830-21latency_hist20:40:002
2957099306,3cyclictest29368-21idleruntime-cro21:20:002
29570993025,3cyclictest33-21ksoftirqd/222:48:582
29570993025,3cyclictest33-21ksoftirqd/220:25:512
29570993024,4cyclictest33-21ksoftirqd/222:56:502
29570993024,4cyclictest33-21ksoftirqd/222:22:282
29570993024,4cyclictest33-21ksoftirqd/220:05:242
29570993024,3cyclictest33-21ksoftirqd/220:19:262
2957099301,9cyclictest0-21swapper/221:10:142
29569993025,3cyclictest25-21ksoftirqd/123:47:391
29569993025,3cyclictest25-21ksoftirqd/122:41:281
29569993024,4cyclictest25-21ksoftirqd/123:43:591
29569993024,4cyclictest25-21ksoftirqd/122:28:091
29569993024,4cyclictest25-21ksoftirqd/120:51:401
29569993024,4cyclictest25-21ksoftirqd/120:07:041
29569993023,5cyclictest25-21ksoftirqd/121:12:311
29568993026,3cyclictest9-21ksoftirqd/023:10:190
29568993026,3cyclictest9-21ksoftirqd/000:30:170
29568993026,2cyclictest9-21ksoftirqd/022:00:070
29568993025,3cyclictest9-21ksoftirqd/021:55:130
29568993025,3cyclictest9-21ksoftirqd/021:07:400
29568993025,3cyclictest9-21ksoftirqd/019:26:440
29568993024,4cyclictest9-21ksoftirqd/021:18:590
2957099297,3cyclictest167322chrt19:46:312
29570992924,3cyclictest33-21ksoftirqd/200:05:012
29570992910,2cyclictest12969-21if_enp1s020:45:172
29570992910,2cyclictest12969-21if_enp1s020:45:172
29569992924,3cyclictest25-21ksoftirqd/119:35:011
29569992923,4cyclictest25-21ksoftirqd/123:23:491
29569992923,4cyclictest25-21ksoftirqd/120:45:001
29569992923,4cyclictest25-21ksoftirqd/100:22:581
29568992925,2cyclictest9-21ksoftirqd/022:49:590
29568992924,3cyclictest9-21ksoftirqd/023:15:550
29568992924,3cyclictest9-21ksoftirqd/022:42:370
29568992923,4cyclictest9-21ksoftirqd/023:30:420
29568992923,4cyclictest9-21ksoftirqd/021:26:300
29568992923,3cyclictest9-21ksoftirqd/022:10:110
2957099285,4cyclictest1319-21snmpd22:09:502
2957099281,9cyclictest19900-21/usr/sbin/munin23:10:222
29569992822,4cyclictest25-21ksoftirqd/122:37:381
29569992822,4cyclictest25-21ksoftirqd/122:09:111
29569992822,4cyclictest25-21ksoftirqd/100:39:471
29568992824,3cyclictest9-21ksoftirqd/023:55:180
29568992822,4cyclictest9-21ksoftirqd/000:26:380
29570992722,3cyclictest33-21ksoftirqd/200:22:562
29569992722,3cyclictest25-21ksoftirqd/122:00:411
29569992722,3cyclictest25-21ksoftirqd/120:02:351
29569992722,3cyclictest25-21ksoftirqd/119:41:521
29569992721,4cyclictest25-21ksoftirqd/119:22:191
29568992722,3cyclictest9-21ksoftirqd/019:20:270
29569992621,3cyclictest25-21ksoftirqd/119:10:531
29569992620,4cyclictest25-21ksoftirqd/121:09:581
29569992521,2cyclictest25-21ksoftirqd/121:41:301
29568992520,3cyclictest9-21ksoftirqd/021:43:260
29570992412,11cyclictest0-21swapper/220:53:042
29570992318,3cyclictest33-21ksoftirqd/223:05:352
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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