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2026-01-21 - 18:54
[ 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 Wed Jan 21, 2026 12:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3189221830,6sleep11787199cyclictest12:15:221
17873997328,9cyclictest41-21ksoftirqd/308:20:283
17872997133,4cyclictest33-21ksoftirqd/209:45:172
17872997131,9cyclictest33-21ksoftirqd/208:57:422
17873997029,9cyclictest41-21ksoftirqd/307:10:143
17873996930,9cyclictest41-21ksoftirqd/308:10:233
17873996731,4cyclictest41-21ksoftirqd/311:30:253
17873996727,4cyclictest41-21ksoftirqd/311:05:193
17872996721,9cyclictest33-21ksoftirqd/210:25:002
72912660,4sleep00-21swapper/009:05:130
17873996635,4cyclictest41-21ksoftirqd/310:00:203
17873996634,4cyclictest41-21ksoftirqd/312:35:143
17872996631,4cyclictest33-21ksoftirqd/209:14:592
17872996630,17cyclictest33-21ksoftirqd/211:35:012
17873996533,6cyclictest41-21ksoftirqd/309:15:193
17873996530,3cyclictest41-21ksoftirqd/308:15:193
17872996536,4cyclictest33-21ksoftirqd/210:35:202
17873996429,4cyclictest41-21ksoftirqd/311:40:143
1787399642,35cyclictest0-21swapper/307:39:323
17872996429,5cyclictest33-21ksoftirqd/212:02:522
17871996432,6cyclictest25-21ksoftirqd/111:15:241
134491640,4ptp4l0-21swapper/012:10:250
17873996331,4cyclictest41-21ksoftirqd/311:15:123
17873996331,3cyclictest41-21ksoftirqd/307:50:233
17873996330,8cyclictest41-21ksoftirqd/310:40:223
17873996325,7cyclictest41-21ksoftirqd/310:00:013
17873996325,7cyclictest41-21ksoftirqd/309:50:133
17872996332,4cyclictest33-21ksoftirqd/207:40:192
17872996327,4cyclictest33-21ksoftirqd/207:10:212
17872996320,9cyclictest33-21ksoftirqd/210:00:002
17871996333,7cyclictest25-21ksoftirqd/107:15:271
17871996331,7cyclictest25-21ksoftirqd/111:45:001
17871996331,7cyclictest25-21ksoftirqd/108:25:181
17873996228,3cyclictest41-21ksoftirqd/311:20:153
17873996226,9cyclictest41-21ksoftirqd/308:35:133
17873996222,4cyclictest41-21ksoftirqd/309:10:193
17873996219,8cyclictest41-21ksoftirqd/309:30:193
17872996229,5cyclictest33-21ksoftirqd/208:22:292
17871996225,7cyclictest25-21ksoftirqd/108:05:011
17873996131,4cyclictest41-21ksoftirqd/307:55:173
17873996131,4cyclictest41-21ksoftirqd/307:55:173
17873996128,8cyclictest41-21ksoftirqd/312:10:173
17873996128,4cyclictest41-21ksoftirqd/308:25:153
17873996125,8cyclictest41-21ksoftirqd/310:25:233
1787399612,32cyclictest0-21swapper/310:58:343
17872996131,4cyclictest33-21ksoftirqd/209:27:562
17872996130,4cyclictest33-21ksoftirqd/212:38:532
17872996129,3cyclictest33-21ksoftirqd/209:18:492
17872996127,5cyclictest33-21ksoftirqd/210:25:572
17872996123,16cyclictest33-21ksoftirqd/212:32:322
1787299611,21cyclictest0-21swapper/209:38:232
17871996130,6cyclictest25-21ksoftirqd/109:55:281
17871996128,4cyclictest25-21ksoftirqd/107:50:001
17873996023,9cyclictest41-21ksoftirqd/308:30:193
17872996032,4cyclictest33-21ksoftirqd/207:47:522
17872996030,5cyclictest33-21ksoftirqd/210:30:402
17872996021,7cyclictest33-21ksoftirqd/210:45:182
17872996021,19cyclictest33-21ksoftirqd/207:15:102
17872996019,8cyclictest33-21ksoftirqd/208:40:152
17871996024,6cyclictest25-21ksoftirqd/108:50:131
134491600,5ptp4l15864-21fschecks_count07:05:160
134491600,5ptp4l0-21swapper/112:10:281
17873995928,4cyclictest41-21ksoftirqd/311:50:163
17873995927,8cyclictest41-21ksoftirqd/309:25:273
17873995921,6cyclictest41-21ksoftirqd/307:30:273
17873995921,4cyclictest41-21ksoftirqd/310:25:013
17872995930,12cyclictest33-21ksoftirqd/209:04:462
17872995918,3cyclictest33-21ksoftirqd/208:55:002
17873995827,8cyclictest41-21ksoftirqd/311:10:143
17873995825,9cyclictest41-21ksoftirqd/312:20:233
17873995825,4cyclictest41-21ksoftirqd/311:37:273
17873995825,4cyclictest41-21ksoftirqd/308:40:163
17872995832,5cyclictest33-21ksoftirqd/210:18:152
134491580,3ptp4l0-21swapper/111:10:091
17873995735,3cyclictest41-21ksoftirqd/308:50:123
17873995727,9cyclictest41-21ksoftirqd/308:55:233
17873995724,6cyclictest41-21ksoftirqd/307:23:323
17873995721,7cyclictest41-21ksoftirqd/312:25:153
17873995721,3cyclictest41-21ksoftirqd/312:00:173
17873995720,3cyclictest41-21ksoftirqd/308:50:013
17872995728,4cyclictest33-21ksoftirqd/208:39:302
1787299572,23cyclictest121rcu_preempt07:55:582
1787299572,23cyclictest121rcu_preempt07:55:572
17872995719,6cyclictest33-21ksoftirqd/211:05:132
17872995712,9cyclictest33-21ksoftirqd/211:50:162
1787299570,24cyclictest0-21swapper/209:33:212
134491570,5ptp4l0-21swapper/109:35:181
134491570,3ptp4l0-21swapper/009:50:160
17873995625,3cyclictest41-21ksoftirqd/310:05:273
17873995623,8cyclictest41-21ksoftirqd/307:15:133
17873995621,9cyclictest41-21ksoftirqd/312:05:263
17873995621,8cyclictest41-21ksoftirqd/309:20:243
17872995625,4cyclictest33-21ksoftirqd/212:05:242
17872995624,14cyclictest33-21ksoftirqd/212:15:152
17872995616,10cyclictest33-21ksoftirqd/207:35:162
134491560,4ptp4l0-21swapper/011:40:490
134491560,4ptp4l0-21swapper/007:44:200
134491560,3ptp4l0-21swapper/009:00:140
17873995528,9cyclictest41-21ksoftirqd/310:10:143
17873995524,4cyclictest41-21ksoftirqd/310:15:133
1787399552,27cyclictest0-21swapper/310:45:173
17873995520,9cyclictest41-21ksoftirqd/309:45:213
17872995529,8cyclictest33-21ksoftirqd/209:43:542
17872995527,8cyclictest33-21ksoftirqd/210:12:362
17872995526,4cyclictest33-21ksoftirqd/211:41:482
1787299552,2cyclictest0-21swapper/210:55:012
1787299552,22cyclictest121rcu_preempt07:32:232
17872995517,9cyclictest33-21ksoftirqd/210:50:222
1787299550,19cyclictest0-21swapper/208:02:042
17871995522,8cyclictest25-21ksoftirqd/112:05:211
134491550,4ptp4l0-21swapper/108:15:521
134491550,3ptp4l0-21swapper/009:20:230
17873995425,9cyclictest41-21ksoftirqd/312:15:173
17873995425,4cyclictest41-21ksoftirqd/310:30:193
17873995422,8cyclictest41-21ksoftirqd/309:35:183
17872995438,3cyclictest33-21ksoftirqd/212:30:002
17872995435,6cyclictest33-21ksoftirqd/211:25:012
17872995424,8cyclictest33-21ksoftirqd/207:50:122
17872995422,1cyclictest0-21swapper/209:23:022
1787299540,20cyclictest0-21swapper/212:21:102
1787199540,6cyclictest25-21ksoftirqd/110:40:131
134491540,3ptp4l0-21swapper/112:04:281
17873995323,3cyclictest41-21ksoftirqd/309:01:593
17873995319,9cyclictest41-21ksoftirqd/308:05:123
17873995319,9cyclictest41-21ksoftirqd/307:40:183
1787299534,6cyclictest121rcu_preempt09:54:182
17872995336,4cyclictest33-21ksoftirqd/207:25:012
17872995323,4cyclictest33-21ksoftirqd/211:10:132
17872995318,2cyclictest121rcu_preempt08:30:322
17872995315,3cyclictest33-21ksoftirqd/212:10:272
1787199532,7cyclictest0-21swapper/109:15:231
17871995322,8cyclictest25-21ksoftirqd/109:05:131
1787199531,6cyclictest25-21ksoftirqd/110:45:251
17873995234,2cyclictest41-21ksoftirqd/310:50:183
17873995221,8cyclictest41-21ksoftirqd/312:32:003
1787299522,8cyclictest33-21ksoftirqd/211:45:122
17872995219,9cyclictest33-21ksoftirqd/211:00:212
1787199520,8cyclictest241ktimersoftd/108:40:001
134491520,3ptp4l0-21swapper/009:25:260
1787399512,6cyclictest0-21swapper/311:57:213
17872995130,3cyclictest33-21ksoftirqd/208:06:212
17872995127,7cyclictest33-21ksoftirqd/207:26:062
17872995120,6cyclictest33-21ksoftirqd/208:45:102
17872995119,9cyclictest33-21ksoftirqd/208:15:012
1787199512,7cyclictest0-21swapper/109:40:241
1787199512,5cyclictest0-21swapper/108:55:261
1787199511,5cyclictest241ktimersoftd/110:35:011
1787199510,6cyclictest241ktimersoftd/110:10:271
1787199510,6cyclictest18822-21sed09:30:141
1787199510,5cyclictest241ktimersoftd/109:05:001
134491510,4ptp4l0-21swapper/010:06:230
134491510,4ptp4l0-21swapper/009:10:190
134491510,4ptp4l0-21swapper/008:04:330
1787399500,6cyclictest41-21ksoftirqd/311:50:003
1787299504,3cyclictest121rcu_preempt11:26:062
17872995035,4cyclictest33-21ksoftirqd/208:20:012
17872995034,5cyclictest33-21ksoftirqd/210:00:272
1787299502,7cyclictest33-21ksoftirqd/211:15:312
17872995027,9cyclictest33-21ksoftirqd/211:58:202
17872995022,4cyclictest33-21ksoftirqd/209:05:212
1787299501,6cyclictest121rcu_preempt11:35:102
1787199506,6cyclictest31934-21apt07:40:001
1787199505,7cyclictest25-21ksoftirqd/112:30:191
1787199504,8cyclictest25-21ksoftirqd/108:25:011
1787199503,6cyclictest0-21swapper/107:57:301
1787199503,6cyclictest0-21swapper/107:57:301
1787199502,5cyclictest241ktimersoftd/111:30:271
1787199500,6cyclictest241ktimersoftd/110:20:011
134491500,4ptp4l0-21swapper/010:41:000
1787399493,6cyclictest0-21swapper/310:35:593
17873994929,7cyclictest41-21ksoftirqd/308:00:243
1787299493,6cyclictest121rcu_preempt10:05:172
1787299493,3cyclictest33-21ksoftirqd/210:40:012
1787299491,7cyclictest33-21ksoftirqd/208:27:102
1787199497,8cyclictest28190-21cut07:30:191
1787199495,7cyclictest25-21ksoftirqd/111:05:011
1787199495,7cyclictest25-21ksoftirqd/107:50:131
1787199495,6cyclictest23764-21grep12:00:001
1787199494,6cyclictest25-21ksoftirqd/109:25:121
17871994923,3cyclictest25-21ksoftirqd/110:26:411
1787199491,5cyclictest241ktimersoftd/107:10:261
1787199490,7cyclictest25-21ksoftirqd/107:25:291
1787199490,6cyclictest25-21ksoftirqd/111:49:591
1787199490,5cyclictest25-21ksoftirqd/109:50:231
17870994933,5cyclictest9-21ksoftirqd/010:54:590
17873994834,3cyclictest41-21ksoftirqd/307:45:253
1787399480,8cyclictest41-21ksoftirqd/311:00:143
1787199485,7cyclictest25-21ksoftirqd/110:35:161
1787199484,8cyclictest25-21ksoftirqd/110:50:231
1787199483,7cyclictest25-21ksoftirqd/107:40:261
1787199482,5cyclictest241ktimersoftd/108:50:011
1787199480,6cyclictest26134-21/usr/sbin/munin10:55:241
1787199480,6cyclictest241ktimersoftd/108:10:001
1787199480,5cyclictest241ktimersoftd/107:20:151
17870994839,3cyclictest9-21ksoftirqd/008:20:010
134491480,4ptp4l0-21swapper/012:35:280
134491480,4ptp4l0-21swapper/012:15:470
134491480,4ptp4l0-21swapper/009:48:570
17873994717,9cyclictest41-21ksoftirqd/311:29:503
1787199475,7cyclictest25-21ksoftirqd/112:30:011
1787199473,7cyclictest25-21ksoftirqd/109:20:151
1787199473,5cyclictest241ktimersoftd/111:39:591
1787199473,5cyclictest241ktimersoftd/109:10:131
1787199472,5cyclictest241ktimersoftd/111:05:161
1787199471,4cyclictest241ktimersoftd/108:10:181
1787199470,6cyclictest25-21ksoftirqd/110:20:261
1787199470,44cyclictest241ktimersoftd/112:20:171
1787199470,44cyclictest241ktimersoftd/108:30:281
134491470,4ptp4l0-21swapper/010:37:570
17873994619,2cyclictest41-21ksoftirqd/307:29:173
1787199465,7cyclictest25-21ksoftirqd/111:50:121
1787199465,7cyclictest25-21ksoftirqd/109:45:181
1787199460,7cyclictest241ktimersoftd/112:40:001
1787199460,6cyclictest241ktimersoftd/111:25:121
1787199460,5cyclictest25-21ksoftirqd/108:40:171
17870994627,5cyclictest9-21ksoftirqd/007:25:000
134491460,4ptp4l0-21swapper/010:55:310
134491460,4ptp4l0-21swapper/010:13:360
134491460,4ptp4l0-21swapper/007:32:280
134491460,3ptp4l0-21swapper/009:34:560
134491460,3ptp4l0-21swapper/007:55:440
134491460,3ptp4l0-21swapper/007:55:430
17873994530,7cyclictest41-21ksoftirqd/309:05:113
17873994529,6cyclictest41-21ksoftirqd/309:40:133
1787199455,6cyclictest25-21ksoftirqd/110:00:191
1787199453,7cyclictest25-21ksoftirqd/110:05:251
1787099451,7cyclictest121rcu_preempt11:10:170
134491450,5ptp4l9-21ksoftirqd/007:45:150
134491450,4ptp4l13731-21apt-get08:10:120
134491440,5ptp4l16956-21ls07:05:281
134491440,4ptp4l25373-21ls12:00:270
17870994327,4cyclictest9-21ksoftirqd/010:30:000
134491430,4ptp4l32191-21apt-get08:50:100
1787199421,6cyclictest0-21swapper/111:20:211
17870994237,3cyclictest9-21ksoftirqd/011:35:010
134491420,5ptp4l29867-21apt-get07:35:120
134491420,5ptp4l0-21swapper/010:15:260
134491420,5ptp4l0-21swapper/009:40:220
134491420,4ptp4l0-21swapper/008:57:400
134491420,3ptp4l20203-21apt-get07:15:110
17870994137,3cyclictest9-21ksoftirqd/010:00:000
134491410,6ptp4l23778-21cat10:49:590
134491410,4ptp4l30197-21df_inode08:45:130
134491410,4ptp4l23270-21df_inode08:30:140
134491410,4ptp4l0-21swapper/008:05:190
17870994034,3cyclictest9-21ksoftirqd/007:10:170
17870994013,8cyclictest9-21ksoftirqd/011:00:260
134491400,5ptp4l31299-21/usr/sbin/munin11:05:170
134491400,5ptp4l10748-21meminfo10:20:170
134491400,5ptp4l0-21swapper/012:26:520
134491400,5ptp4l0-21swapper/008:35:100
17870993934,3cyclictest9-21ksoftirqd/011:15:180
134491390,4ptp4l0-21swapper/012:05:340
134491390,4ptp4l0-21swapper/010:32:510
134491390,4ptp4l0-21swapper/010:04:420
134491390,4ptp4l0-21swapper/009:35:190
134491390,4ptp4l0-21swapper/008:25:190
134491390,3ptp4l0-21swapper/008:20:190
134491390,2ptp4l5396-21meminfo07:50:190
17870993832,3cyclictest9-21ksoftirqd/011:50:210
134491380,4ptp4l8612-21memory11:25:200
134491380,4ptp4l1600-21/usr/sbin/munin12:20:170
134491380,4ptp4l12760-21sed11:35:180
134491380,4ptp4l0-21swapper/011:58:530
134491380,4ptp4l0-21swapper/011:20:180
134491380,4ptp4l0-21swapper/009:18:100
134491380,4ptp4l0-21swapper/008:43:310
134491380,4ptp4l0-21swapper/007:25:180
134491380,3ptp4l17510-21iostat11:45:200
134491380,3ptp4l0-21swapper/012:32:540
159632233,13sleep215964-21hddtemp_smartct07:05:172
46198190,6rtkit-daemon0-21swapper/307:05:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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