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2026-02-07 - 07:04
[ 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 376 highest latencies:
System rackdslot1.osadl.org (updated Sat Feb 07, 2026 00:45:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2594023050,4sleep1241ktimersoftd/119:05:241
231372830,5sleep00-21swapper/023:40:230
204592710,5sleep00-21swapper/021:15:000
2715099684,62cyclictest25067-21kworker/1:019:20:491
207442650,4sleep10-21swapper/121:15:131
134491640,5ptp4l0-21swapper/120:30:131
134491620,3ptp4l0-21swapper/221:43:012
134491610,5ptp4l0-21swapper/300:05:133
134491610,4ptp4l0-21swapper/319:50:143
134491590,3ptp4l0-21swapper/321:25:213
134491590,3ptp4l0-21swapper/223:55:182
134491590,3ptp4l0-21swapper/223:55:172
134491590,3ptp4l0-21swapper/223:41:182
134491580,5ptp4l0-21swapper/322:20:123
134491580,4ptp4l0-21swapper/323:00:593
134491580,4ptp4l0-21swapper/221:47:102
134491580,3ptp4l0-21swapper/122:45:141
2715099575,12cyclictest5153-21ntpq19:30:201
134491570,4ptp4l0-21swapper/323:07:143
134491570,4ptp4l0-21swapper/320:00:433
134491570,4ptp4l0-21swapper/021:15:060
134491570,3ptp4l0-21swapper/320:35:493
134491570,3ptp4l0-21swapper/223:21:002
134491570,3ptp4l0-21swapper/221:32:382
134491560,5ptp4l0-21swapper/319:08:233
134491560,4ptp4l0-21swapper/320:25:273
134491560,4ptp4l0-21swapper/300:30:273
134491560,3ptp4l0-21swapper/223:39:502
134491560,3ptp4l0-21swapper/120:44:201
27150995510,11cyclictest11224-21seq22:02:381
2714999555,11cyclictest0-21swapper/021:00:230
134491550,4ptp4l0-21swapper/320:59:453
134491550,4ptp4l0-21swapper/320:23:533
134491550,4ptp4l0-21swapper/222:02:432
134491550,4ptp4l0-21swapper/200:14:112
134491550,3ptp4l0-21swapper/122:40:131
2715099549,12cyclictest4548-21seq22:58:021
2715099547,5cyclictest25-21ksoftirqd/119:25:231
134491540,4ptp4l0-21swapper/219:59:082
134491540,3ptp4l6315-21latency_hist19:35:003
134491540,3ptp4l0-21swapper/319:27:203
134491540,3ptp4l0-21swapper/220:07:482
2715099537,11cyclictest6679-21seq21:53:401
2714999536,6cyclictest0-21swapper/022:20:230
134491530,4ptp4l0-21swapper/321:31:013
134491530,4ptp4l0-21swapper/321:07:333
134491530,4ptp4l0-21swapper/320:41:593
134491530,4ptp4l0-21swapper/220:50:462
134491530,4ptp4l0-21swapper/220:33:092
134491530,3ptp4l0-21swapper/322:06:223
134491530,3ptp4l0-21swapper/319:48:543
134491520,4ptp4l0-21swapper/222:36:172
134491520,3ptp4l0-21swapper/300:38:003
134491520,10ptp4l24758-21apt-get19:05:122
2715099518,14cyclictest0-21swapper/122:50:231
2714999516,9cyclictest9-21ksoftirqd/000:04:100
2714999516,12cyclictest0-21swapper/000:25:150
134491510,4ptp4l0-21swapper/323:46:433
134491510,3ptp4l0-21swapper/119:11:271
27151995016,6cyclictest33-21ksoftirqd/221:22:492
2715099504,10cyclictest11515-21diskstats20:55:151
2714999502,11cyclictest0-21swapper/020:50:020
134491500,5ptp4l0-21swapper/022:25:150
134491500,4ptp4l0-21swapper/321:45:233
134491500,4ptp4l0-21swapper/019:35:450
134491500,10ptp4l0-21swapper/120:37:111
2715099498,7cyclictest0-21swapper/123:55:271
2715099498,7cyclictest0-21swapper/123:55:271
2715099498,15cyclictest9448-21chrt23:08:501
134491490,4ptp4l0-21swapper/323:28:363
134491490,4ptp4l0-21swapper/323:28:363
134491490,4ptp4l0-21swapper/200:02:432
2714999485,6cyclictest0-21swapper/023:45:200
2714999485,6cyclictest0-21swapper/019:20:260
2714999482,6cyclictest101ktimersoftd/019:50:230
134491480,4ptp4l0-21swapper/321:01:013
134491480,4ptp4l0-21swapper/320:46:013
134491480,4ptp4l0-21swapper/221:11:012
134491480,4ptp4l0-21swapper/220:28:452
134491480,4ptp4l0-21swapper/219:38:092
134491480,3ptp4l0-21swapper/321:44:083
134491480,3ptp4l0-21swapper/223:04:442
134491480,3ptp4l0-21swapper/000:21:290
2715199472,2cyclictest121rcu_preempt20:23:012
27151994713,5cyclictest33-21ksoftirqd/221:55:022
2715099471,10cyclictest0-21swapper/123:00:121
2714999473,6cyclictest0-21swapper/020:00:280
2714999472,6cyclictest25182-21cut20:15:150
134491470,4ptp4l0-21swapper/322:44:503
134491470,4ptp4l0-21swapper/321:20:223
134491470,4ptp4l0-21swapper/321:16:323
134491470,3ptp4l0-21swapper/320:31:073
27151994641,3cyclictest33-21ksoftirqd/223:00:002
27151994610,7cyclictest33-21ksoftirqd/223:50:132
2715099468,6cyclictest0-21swapper/123:40:131
2715099460,11cyclictest10625-21sshd20:50:471
2714999464,6cyclictest0-21swapper/022:30:270
2714999464,6cyclictest0-21swapper/020:40:200
2714999463,6cyclictest0-21swapper/021:55:110
2714999461,6cyclictest0-21swapper/021:45:120
134491460,9ptp4l0-21swapper/020:25:280
134491460,4ptp4l10340-21ls00:20:282
134491460,4ptp4l0-21swapper/219:23:062
134491460,3ptp4l2715099cyclictest21:36:211
134491460,3ptp4l0-21swapper/119:55:291
134491460,10ptp4l0-21swapper/021:42:030
2715199456,3cyclictest33-21ksoftirqd/200:25:222
27151994518,4cyclictest33-21ksoftirqd/200:09:082
27151994512,5cyclictest33-21ksoftirqd/223:20:002
27151994512,3cyclictest33-21ksoftirqd/220:58:522
2714999453,7cyclictest0-21swapper/019:10:180
134491450,9ptp4l0-21swapper/020:58:200
134491450,4ptp4l31965-21ls22:45:272
134491450,4ptp4l0-21swapper/222:30:122
134491450,3ptp4l0-21swapper/022:55:320
27151994413,6cyclictest33-21ksoftirqd/222:50:142
27151994413,3cyclictest33-21ksoftirqd/223:25:182
27151994413,3cyclictest33-21ksoftirqd/223:25:172
2715099447,7cyclictest0-21swapper/121:00:001
2715099447,6cyclictest25-21ksoftirqd/120:25:271
27150994438,4cyclictest26844-21ntp_kernel_err22:35:221
2715099443,10cyclictest11444-21grep19:45:171
2714999445,12cyclictest0-21swapper/022:50:150
2714999444,6cyclictest9-21ksoftirqd/019:30:000
2714999444,6cyclictest0-21swapper/021:09:490
2714999443,5cyclictest0-21swapper/023:50:260
2714999441,7cyclictest1003-21awk20:30:270
134491440,4ptp4l9794-21apt-get23:10:120
134491440,4ptp4l28683-21apt-get23:55:043
134491440,4ptp4l28683-21apt-get23:55:043
134491440,4ptp4l20893-21apt-get22:25:132
134491440,4ptp4l20223-21apt-get20:05:113
134491440,4ptp4l0-21swapper/223:13:322
134491440,3ptp4l11263-21df_abs19:45:152
134491440,3ptp4l0-21swapper/321:12:403
2715199438,5cyclictest33-21ksoftirqd/219:10:252
2715199437,6cyclictest33-21ksoftirqd/200:20:002
27151994337,3cyclictest33-21ksoftirqd/220:40:002
27151994337,3cyclictest33-21ksoftirqd/200:35:002
27151994310,6cyclictest33-21ksoftirqd/219:25:192
2715099437,5cyclictest25-21ksoftirqd/123:30:151
2714999433,6cyclictest9-21ksoftirqd/021:50:230
2714999432,6cyclictest0-21swapper/023:55:200
2714999432,6cyclictest0-21swapper/023:55:200
2714999431,6cyclictest0-21swapper/022:11:390
134491430,9ptp4l0-21swapper/322:33:373
134491430,6ptp4l0-21swapper/222:40:302
134491430,4ptp4l4443-21diskstats00:10:150
134491430,4ptp4l29529-21users21:30:280
134491430,4ptp4l0-21swapper/320:16:013
134491430,4ptp4l0-21swapper/320:10:163
134491430,4ptp4l0-21swapper/220:41:072
134491430,4ptp4l0-21swapper/021:25:080
134491430,3ptp4l0-21swapper/300:00:073
134491430,3ptp4l0-21swapper/219:30:012
134491430,3ptp4l0-21swapper/121:23:461
2715199428,6cyclictest33-21ksoftirqd/221:25:212
27151994237,2cyclictest33-21ksoftirqd/222:10:002
27151994236,4cyclictest33-21ksoftirqd/219:15:252
27151994214,3cyclictest33-21ksoftirqd/222:20:002
2715199420,2cyclictest121rcu_preempt20:03:522
2715099426,13cyclictest0-21swapper/120:05:231
27149994238,2cyclictest111rcuc/020:20:190
2714999421,5cyclictest0-21swapper/019:40:160
134491420,5ptp4l17021-21sensors00:35:252
134491420,4ptp4l8906-21apt-get20:50:113
134491420,4ptp4l7009-21iostat_ios00:15:170
134491420,4ptp4l4738-21apt-get21:50:143
134491420,4ptp4l19640-21apt-get23:35:100
134491420,4ptp4l11917-21irqstats00:25:193
134491420,4ptp4l0-21swapper/322:39:213
134491420,4ptp4l0-21swapper/319:13:033
134491420,4ptp4l0-21swapper/219:43:542
134491420,4ptp4l0-21swapper/100:00:181
134491420,4ptp4l0-21swapper/022:02:410
134491420,3ptp4l401ktimersoftd/322:00:203
134491420,3ptp4l15598-21apt-get19:55:123
134491420,10ptp4l0-21swapper/121:59:151
134491420,10ptp4l0-21swapper/119:41:321
2715199419,5cyclictest33-21ksoftirqd/223:08:092
27151994136,2cyclictest33-21ksoftirqd/221:40:012
27151994135,3cyclictest33-21ksoftirqd/223:45:262
27151994112,4cyclictest33-21ksoftirqd/223:30:172
27151994112,4cyclictest33-21ksoftirqd/220:13:422
2714999413,6cyclictest9-21ksoftirqd/020:45:130
2714999413,6cyclictest0-21swapper/020:35:130
2714999412,7cyclictest0-21swapper/020:14:390
2714999412,6cyclictest4057-21/usr/sbin/munin19:30:220
134491410,5ptp4l7684-21/usr/sbin/munin19:35:243
134491410,5ptp4l0-21swapper/323:38:453
134491410,5ptp4l0-21swapper/300:10:013
134491410,4ptp4l21314-21perl22:25:163
134491410,4ptp4l13304-21iostat_ios23:20:131
134491410,4ptp4l12683-21ls22:05:210
134491410,4ptp4l0-21swapper/300:15:183
134491410,4ptp4l0-21swapper/221:06:062
134491410,4ptp4l0-21swapper/122:15:191
134491410,4ptp4l0-21swapper/023:07:170
134491410,4ptp4l0-21swapper/021:23:450
134491410,3ptp4l6393-21apt-get20:45:131
134491410,3ptp4l5758-21ls21:50:232
134491410,3ptp4l20651-21apt-get21:15:132
134491410,3ptp4l18911-21ls23:30:283
134491410,3ptp4l11839-21irqstats19:45:190
134491410,2ptp4l31435-21strings22:45:203
2715199406,6cyclictest33-21ksoftirqd/221:00:012
2714999403,6cyclictest0-21swapper/022:35:070
134491400,5ptp4l16662-21chrt23:25:271
134491400,5ptp4l16662-21chrt23:25:271
134491400,5ptp4l0-21swapper/323:24:543
134491400,5ptp4l0-21swapper/323:11:093
134491400,5ptp4l0-21swapper/123:10:091
134491400,4ptp4l2964-21diskstats22:55:153
134491400,4ptp4l2216-21irqstats00:05:190
134491400,4ptp4l0-21swapper/323:50:273
134491400,4ptp4l0-21swapper/322:15:193
134491400,4ptp4l0-21swapper/322:10:093
134491400,4ptp4l0-21swapper/300:23:263
134491400,4ptp4l0-21swapper/222:22:372
134491400,4ptp4l0-21swapper/219:54:462
134491400,4ptp4l0-21swapper/123:35:131
134491400,4ptp4l0-21swapper/121:40:151
134491400,4ptp4l0-21swapper/120:12:531
134491400,4ptp4l0-21swapper/100:20:251
134491400,4ptp4l0-21swapper/023:20:110
134491400,4ptp4l0-21swapper/022:48:390
134491400,4ptp4l0-21swapper/022:44:470
134491400,4ptp4l0-21swapper/022:15:350
134491400,4ptp4l0-21swapper/021:35:060
134491400,4ptp4l0-21swapper/000:30:430
134491400,3ptp4l4135-21apt-get00:10:111
134491400,3ptp4l27193-21iostat23:50:161
134491400,3ptp4l24823-21apt-get20:15:112
134491400,3ptp4l16440-21irqstats19:55:180
134491400,3ptp4l16247-21iostat_ios00:35:180
134491400,3ptp4l13962-21apt-get22:10:112
134491400,3ptp4l0-21swapper/122:30:211
2715099393,11cyclictest0-21swapper/123:45:121
2714999391,7cyclictest0-21swapper/019:15:240
134491390,5ptp4l17541-21cstates23:30:130
134491390,5ptp4l0-21swapper/220:46:212
134491390,5ptp4l0-21swapper/120:20:091
134491390,5ptp4l0-21swapper/119:15:051
134491390,4ptp4l31734-21latency_hist19:20:013
134491390,4ptp4l0-21swapper/323:40:163
134491390,4ptp4l0-21swapper/323:18:073
134491390,4ptp4l0-21swapper/321:55:143
134491390,4ptp4l0-21swapper/319:40:223
134491390,4ptp4l0-21swapper/319:20:173
134491390,4ptp4l0-21swapper/123:19:191
134491390,4ptp4l0-21swapper/122:20:051
134491390,4ptp4l0-21swapper/122:05:251
134491390,4ptp4l0-21swapper/121:26:281
134491390,4ptp4l0-21swapper/121:06:471
134491390,4ptp4l0-21swapper/120:02:481
134491390,4ptp4l0-21swapper/119:37:521
134491390,4ptp4l0-21swapper/100:35:181
134491390,4ptp4l0-21swapper/100:31:521
134491390,4ptp4l0-21swapper/100:05:181
134491390,4ptp4l0-21swapper/023:00:300
134491390,4ptp4l0-21swapper/020:09:160
134491390,3ptp4l15291-21df_abs23:25:140
134491390,3ptp4l15291-21df_abs23:25:130
134491390,3ptp4l12281-21ps00:25:241
134491390,3ptp4l0-21swapper/322:50:103
134491390,3ptp4l0-21swapper/100:15:171
134491390,3ptp4l0-21swapper/023:16:410
134491380,4ptp4l0-21swapper/321:35:473
134491380,4ptp4l0-21swapper/122:25:171
134491380,4ptp4l0-21swapper/121:46:591
134491380,4ptp4l0-21swapper/121:12:121
134491380,4ptp4l0-21swapper/119:51:131
134491380,3ptp4l0-21swapper/121:30:191
134491370,4ptp4l0-21swapper/122:10:231
134491370,3ptp4l0-21swapper/120:15:361
247432162,8sleep00-21swapper/019:05:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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