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2026-02-28 - 17:52
[ 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 792 highest latencies:
System rackdslot3.osadl.org (updated Sat Feb 28, 2026 12:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
181692230162,23sleep20-21swapper/207:09:062
139491206172,23phc2sys0-21swapper/307:06:193
182342204170,23sleep00-21swapper/007:09:520
182432203171,21sleep10-21swapper/107:09:571
97921450,5sleep11853999cyclictest11:00:261
1853999566,8cyclictest24957-21unixbench_singl11:50:271
1853999557,7cyclictest21475-21grep07:15:151
1853999546,6cyclictest14925-21sh12:40:001
230342530,4sleep123032-21perf11:50:011
1853999535,6cyclictest0-21swapper/112:15:001
1853999531,10cyclictest17551-21df_abs08:15:151
1853999530,10cyclictest12277-21latency_hist10:20:011
1853999526,6cyclictest31260-21irqrtprio12:05:161
1853999523,11cyclictest26692-21sed07:25:191
1853999522,10cyclictest10569-21cstates12:30:131
1853999521,11cyclictest31332-21cut07:35:211
1853999516,5cyclictest17866-21if_err_enp1s010:30:151
1853999513,9cyclictest3446-21awk11:05:251
38502500,1sleep30-21swapper/312:15:173
255552500,2sleep30-21swapper/311:55:013
1853999506,5cyclictest8610-21latency07:55:181
1853999503,6cyclictest0-21swapper/110:35:181
1853999500,11cyclictest10747-21sed08:00:191
1853999500,10cyclictest13119-21irqrtprio10:20:181
1853999497,6cyclictest4711-21grep12:15:251
1853999496,7cyclictest21480-21grep08:20:271
1853999490,9cyclictest7176-21fschecks_time09:00:141
1853999490,9cyclictest29206-21phc2sys12:00:211
1853999490,9cyclictest29206-21phc2sys12:00:211
1853999490,9cyclictest14766-21missed_timers11:30:211
1853999487,7cyclictest24455-21grep09:35:211
1853999481,9cyclictest29531-21ls08:40:121
1853999481,17cyclictest27237-21sed08:35:141
1853999480,9cyclictest16207-21ptp4l-jitter10:25:251
1853999480,9cyclictest12976-21if_enp4s008:05:161
1853999480,8cyclictest10737-21sed09:05:261
1853999480,16cyclictest13036-21sed11:25:261
1853999480,15cyclictest5682-21cut08:55:241
1853999480,11cyclictest17282-21expr09:20:201
162862480,1sleep20-21swapper/210:25:262
1853999473,5cyclictest0-21swapper/109:45:141
1853999471,10cyclictest7550-21date07:55:011
1853999470,10cyclictest16362-21cat08:10:231
139391470,0ptp4l401ktimersoftd/310:25:213
1853999464,6cyclictest11648-21cstates09:10:131
1853999461,9cyclictest3147-21cstates10:00:131
1853999461,11cyclictest32051-21df_abs08:45:151
1853999460,10cyclictest22843-21irqrtprio08:25:191
18538994614,7cyclictest9-21ksoftirqd/008:00:190
1854099450,44cyclictest0-21swapper/211:10:222
1853999453,5cyclictest0-21swapper/109:25:171
1853999451,17cyclictest28853-21sed07:30:181
1853999451,12cyclictest22253-21expr10:40:151
1853999450,18cyclictest9692-21cut11:20:201
1853999450,15cyclictest14392-21if_enp1s009:15:171
1853999450,10cyclictest6302-21sed10:05:191
1853999450,10cyclictest4475-21sort07:45:261
1853999450,10cyclictest20078-21timerandwakeup07:10:241
18540994430,12cyclictest33-21ksoftirqd/207:20:122
1854099440,42cyclictest0-21swapper/210:10:232
1853999446,7cyclictest6860-21df_abs11:15:151
1853999442,9cyclictest4412-21expr11:10:131
1853999440,18cyclictest26518-21sed11:55:191
1853999440,16cyclictest24087-21sed07:20:191
139391440,0ptp4l401ktimersoftd/310:45:073
139391440,0ptp4l401ktimersoftd/308:36:003
1854099431,41cyclictest0-21swapper/210:45:222
1853999435,6cyclictest31342-21irqrtprio09:50:191
1853999432,8cyclictest28083-21ptp4l10:50:271
1853999430,16cyclictest3291-21date08:50:241
1853899435,2cyclictest9-21ksoftirqd/009:20:220
1853899430,2cyclictest121rcu_preempt08:55:000
1853899430,2cyclictest121rcu_preempt08:10:000
1854099422,38cyclictest32418-21kworker/2:112:30:232
1853899426,10cyclictest9-21ksoftirqd/011:24:590
18538994211,4cyclictest9-21ksoftirqd/010:35:240
18538994210,4cyclictest9-21ksoftirqd/007:55:220
1853899420,2cyclictest121rcu_preempt09:15:180
1394914233,3phc2sys0-21swapper/307:10:013
139391420,0ptp4l401ktimersoftd/310:10:283
1854099410,40cyclictest23023-21kworker/2:110:00:332
1853999411,8cyclictest19795-21ptp4l11:40:231
1853999410,9cyclictest1753-21processes09:55:231
1853999410,16cyclictest7523-21cron12:25:001
18538994114,7cyclictest9-21ksoftirqd/009:00:250
18538994111,4cyclictest9-21ksoftirqd/012:10:200
1853899410,2cyclictest121rcu_preempt12:24:590
1853999402,6cyclictest1487-21memory07:40:221
1853999401,6cyclictest8799-21meminfo12:25:191
1853999400,15cyclictest25835-21sort09:40:111
1853899409,4cyclictest9-21ksoftirqd/011:00:140
1853899407,6cyclictest9-21ksoftirqd/010:10:200
1853899406,5cyclictest9-21ksoftirqd/007:20:010
1853899406,4cyclictest9-21ksoftirqd/008:55:270
57898390,5rtkit-daemon28801-21iostat_ios09:45:183
18540993934,3cyclictest22695-21cut10:40:202
18540993934,3cyclictest18230-21cron11:40:002
1853999391,7cyclictest16485-21diskstats11:35:141
18538993934,3cyclictest9-21ksoftirqd/011:50:000
18538993934,2cyclictest9-21ksoftirqd/009:55:000
139391390,8ptp4l401ktimersoftd/307:27:293
1853999382,4cyclictest25-21ksoftirqd/110:55:211
1853899389,5cyclictest9-21ksoftirqd/008:15:150
1853899389,5cyclictest9-21ksoftirqd/007:30:000
18538993832,3cyclictest9-21ksoftirqd/007:40:000
1853899382,5cyclictest9-21ksoftirqd/007:45:240
18538993813,6cyclictest9-21ksoftirqd/012:35:000
1853899380,6cyclictest121rcu_preempt11:50:260
1853899380,5cyclictest121rcu_preempt11:30:000
1853899380,3cyclictest121rcu_preempt11:55:520
139391380,2ptp4l0-21swapper/311:14:593
57898370,6rtkit-daemon0-21swapper/211:04:502
18541993732,3cyclictest41-21ksoftirqd/308:04:303
1853899379,3cyclictest9-21ksoftirqd/010:25:200
1853899374,3cyclictest121rcu_preempt09:30:170
18538993733,2cyclictest9-21ksoftirqd/010:10:010
18538993732,3cyclictest9-21ksoftirqd/011:15:010
18538993732,3cyclictest9-21ksoftirqd/009:10:200
18538993732,3cyclictest9-21ksoftirqd/008:50:010
18538993732,3cyclictest9-21ksoftirqd/008:20:130
18538993732,3cyclictest9-21ksoftirqd/008:15:000
18538993731,3cyclictest9-21ksoftirqd/008:40:120
18538993731,3cyclictest9-21ksoftirqd/007:25:000
1853899371,3cyclictest121rcu_preempt12:35:230
1853899370,2cyclictest121rcu_preempt12:00:210
1853899370,2cyclictest121rcu_preempt12:00:210
57898360,2rtkit-daemon0-21swapper/308:30:113
18541993630,4cyclictest41-21ksoftirqd/311:47:343
18541993630,4cyclictest41-21ksoftirqd/310:02:403
18540993630,4cyclictest33-21ksoftirqd/211:17:122
1853899363,4cyclictest9-21ksoftirqd/008:30:230
1853899363,3cyclictest121rcu_preempt08:25:240
18538993633,2cyclictest9-21ksoftirqd/011:45:000
18538993632,2cyclictest9-21ksoftirqd/010:55:170
18538993632,2cyclictest9-21ksoftirqd/010:45:010
18538993632,2cyclictest9-21ksoftirqd/009:25:140
18538993632,2cyclictest9-21ksoftirqd/007:40:280
18538993631,3cyclictest9-21ksoftirqd/012:30:000
18538993631,3cyclictest9-21ksoftirqd/011:30:130
18538993631,3cyclictest9-21ksoftirqd/010:20:190
18538993631,3cyclictest9-21ksoftirqd/010:15:220
18538993631,3cyclictest9-21ksoftirqd/009:45:190
18538993630,3cyclictest9-21ksoftirqd/009:55:230
18538993630,3cyclictest9-21ksoftirqd/009:05:170
18541993530,3cyclictest41-21ksoftirqd/312:32:183
18541993530,3cyclictest41-21ksoftirqd/311:20:013
18541993529,4cyclictest41-21ksoftirqd/307:56:283
18541993527,5cyclictest41-21ksoftirqd/310:05:123
18540993530,3cyclictest33-21ksoftirqd/210:38:132
18540993530,3cyclictest33-21ksoftirqd/208:50:102
18540993529,4cyclictest33-21ksoftirqd/210:32:242
18540993529,4cyclictest33-21ksoftirqd/210:06:122
18540993529,4cyclictest33-21ksoftirqd/209:11:482
18540993529,4cyclictest33-21ksoftirqd/208:58:452
18540993529,4cyclictest33-21ksoftirqd/207:40:542
18540993529,3cyclictest33-21ksoftirqd/212:14:592
18539993529,4cyclictest25-21ksoftirqd/110:49:441
1853999350,11cyclictest24537-21/usr/sbin/munin08:30:121
1853899356,4cyclictest9-21ksoftirqd/011:05:260
18538993531,2cyclictest9-21ksoftirqd/010:45:140
18538993531,2cyclictest9-21ksoftirqd/010:00:120
18538993531,2cyclictest9-21ksoftirqd/007:30:180
18538993530,3cyclictest9-21ksoftirqd/008:35:240
18538993529,3cyclictest9-21ksoftirqd/009:40:120
1853899350,5cyclictest9-21ksoftirqd/012:05:250
139391350,0ptp4l401ktimersoftd/310:35:133
57898340,1rtkit-daemon0-21swapper/210:51:092
18541993430,2cyclictest41-21ksoftirqd/308:59:213
18541993429,3cyclictest41-21ksoftirqd/312:07:033
18541993429,3cyclictest41-21ksoftirqd/308:13:413
18541993428,4cyclictest41-21ksoftirqd/312:37:363
18541993428,4cyclictest41-21ksoftirqd/310:22:063
18541993428,4cyclictest41-21ksoftirqd/309:28:103
18541993428,4cyclictest41-21ksoftirqd/308:43:213
18540993429,3cyclictest33-21ksoftirqd/212:10:012
18540993428,4cyclictest33-21ksoftirqd/209:41:572
18540993428,4cyclictest33-21ksoftirqd/208:30:292
18540993428,4cyclictest33-21ksoftirqd/207:26:062
1854099340,33cyclictest32418-21kworker/2:112:35:342
18538993431,2cyclictest9-21ksoftirqd/010:50:170
18538993431,2cyclictest9-21ksoftirqd/007:50:130
18538993430,2cyclictest9-21ksoftirqd/012:15:130
18538993430,2cyclictest9-21ksoftirqd/010:35:010
18538993430,2cyclictest9-21ksoftirqd/009:35:270
18538993429,3cyclictest9-21ksoftirqd/011:35:190
18538993429,3cyclictest9-21ksoftirqd/007:10:120
57898330,2rtkit-daemon0-21swapper/308:20:133
57898330,2rtkit-daemon0-21swapper/211:21:402
57898330,1rtkit-daemon0-21swapper/307:52:543
18541993328,3cyclictest41-21ksoftirqd/308:17:023
18541993327,4cyclictest41-21ksoftirqd/311:35:553
18541993327,4cyclictest41-21ksoftirqd/311:27:053
18541993327,4cyclictest41-21ksoftirqd/309:16:273
18541993327,4cyclictest41-21ksoftirqd/309:08:573
1854199331,28cyclictest20106-21kworker/3:207:45:123
18540993328,3cyclictest33-21ksoftirqd/208:27:452
18540993327,4cyclictest33-21ksoftirqd/212:22:552
18540993327,4cyclictest33-21ksoftirqd/211:57:432
18540993327,4cyclictest33-21ksoftirqd/211:45:522
18540993327,4cyclictest33-21ksoftirqd/211:05:292
18540993327,4cyclictest33-21ksoftirqd/209:22:522
18540993327,4cyclictest33-21ksoftirqd/208:24:472
18540993327,4cyclictest33-21ksoftirqd/208:09:142
18540993327,4cyclictest33-21ksoftirqd/207:52:422
18540993327,4cyclictest33-21ksoftirqd/207:46:082
18540993327,4cyclictest33-21ksoftirqd/207:18:122
139391330,0ptp4l401ktimersoftd/311:20:243
18541993227,3cyclictest41-21ksoftirqd/311:04:543
18541993227,3cyclictest41-21ksoftirqd/309:35:473
18541993226,4cyclictest41-21ksoftirqd/311:41:373
18541993226,4cyclictest41-21ksoftirqd/310:33:083
18540993227,3cyclictest33-21ksoftirqd/212:15:112
18540993227,3cyclictest33-21ksoftirqd/208:41:282
18540993226,4cyclictest33-21ksoftirqd/210:19:322
18540993226,4cyclictest33-21ksoftirqd/209:25:562
18538993227,3cyclictest9-21ksoftirqd/011:15:130
18541993126,3cyclictest41-21ksoftirqd/311:56:363
18541993126,3cyclictest41-21ksoftirqd/311:32:423
18541993126,3cyclictest41-21ksoftirqd/310:55:193
18541993126,3cyclictest41-21ksoftirqd/310:15:123
18541993126,3cyclictest41-21ksoftirqd/309:13:333
18541993126,3cyclictest41-21ksoftirqd/308:54:203
18541993126,3cyclictest41-21ksoftirqd/308:08:363
18541993125,4cyclictest41-21ksoftirqd/309:21:083
18540993127,3cyclictest33-21ksoftirqd/208:00:292
18540993126,3cyclictest33-21ksoftirqd/212:01:412
18540993126,3cyclictest33-21ksoftirqd/212:01:412
18540993126,3cyclictest33-21ksoftirqd/209:54:122
18540993126,3cyclictest33-21ksoftirqd/209:03:292
18540993126,3cyclictest33-21ksoftirqd/207:38:012
18540993125,4cyclictest33-21ksoftirqd/210:22:002
18540993125,4cyclictest33-21ksoftirqd/209:49:272
18540993125,4cyclictest33-21ksoftirqd/208:47:252
139391310,0ptp4l401ktimersoftd/310:40:263
18541993025,3cyclictest41-21ksoftirqd/312:22:303
18541993024,4cyclictest41-21ksoftirqd/309:41:053
18540993025,3cyclictest33-21ksoftirqd/212:26:202
18540993025,3cyclictest33-21ksoftirqd/210:55:402
18540993025,3cyclictest33-21ksoftirqd/209:38:302
18540993025,3cyclictest33-21ksoftirqd/209:05:492
18540993025,3cyclictest33-21ksoftirqd/207:55:102
18540993024,4cyclictest33-21ksoftirqd/211:41:472
18540993024,4cyclictest33-21ksoftirqd/211:34:592
18540993024,4cyclictest33-21ksoftirqd/208:19:492
1854099301,28cyclictest13494-21kworker/2:209:15:232
1853999300,7cyclictest2518-21gnome-shell09:32:591
139391300,8ptp4l401ktimersoftd/307:35:243
139391300,0ptp4l401ktimersoftd/312:00:253
139391300,0ptp4l401ktimersoftd/312:00:253
139391300,0ptp4l401ktimersoftd/310:51:543
139391300,0ptp4l401ktimersoftd/307:18:263
18541992924,3cyclictest41-21ksoftirqd/307:30:333
18540992924,3cyclictest33-21ksoftirqd/208:12:002
18540992924,3cyclictest33-21ksoftirqd/207:11:452
18540992923,4cyclictest33-21ksoftirqd/211:28:352
18540992923,4cyclictest33-21ksoftirqd/209:30:502
18540992923,4cyclictest33-21ksoftirqd/208:39:462
18541992823,3cyclictest41-21ksoftirqd/309:59:553
18541992823,3cyclictest41-21ksoftirqd/309:05:003
18541992822,4cyclictest41-21ksoftirqd/309:33:523
18541992822,4cyclictest41-21ksoftirqd/307:42:443
18541992723,2cyclictest41-21ksoftirqd/307:20:193
18541992722,3cyclictest41-21ksoftirqd/312:27:063
18541992722,3cyclictest41-21ksoftirqd/309:53:253
18541992721,4cyclictest41-21ksoftirqd/312:14:293
18540992722,3cyclictest33-21ksoftirqd/211:54:012
18540992721,4cyclictest33-21ksoftirqd/209:56:482
18541992621,3cyclictest41-21ksoftirqd/308:45:183
18541992621,3cyclictest41-21ksoftirqd/308:25:393
18540992621,3cyclictest33-21ksoftirqd/207:30:072
18541992518,4cyclictest41-21ksoftirqd/311:05:113
1853999243,5cyclictest25-21ksoftirqd/110:11:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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