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2026-02-21 - 18:35
[ 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 rackdslot1.osadl.org (updated Sat Feb 21, 2026 12:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2626221730,6sleep13089899cyclictest10:25:271
460021580,5sleep23089999cyclictest12:00:152
244402940,3sleep30-21swapper/309:15:003
30900996617,8cyclictest41-21ksoftirqd/311:52:233
303302660,4sleep13089899cyclictest08:15:251
134491650,4ptp4l25562-21systemctl08:05:252
30900996433,3cyclictest41-21ksoftirqd/308:40:233
30900996430,4cyclictest41-21ksoftirqd/308:05:163
30900996420,9cyclictest41-21ksoftirqd/310:30:193
30900996332,4cyclictest41-21ksoftirqd/309:05:223
30899996324,6cyclictest33-21ksoftirqd/209:20:002
134491630,4ptp4l2318-21gnome-shell10:37:591
30900996232,3cyclictest41-21ksoftirqd/310:20:153
30900996131,3cyclictest41-21ksoftirqd/307:20:263
30900996130,4cyclictest41-21ksoftirqd/308:50:143
30899996128,6cyclictest33-21ksoftirqd/208:10:172
134491610,4ptp4l0-21swapper/212:19:042
30900996025,4cyclictest41-21ksoftirqd/312:15:173
30900995924,8cyclictest41-21ksoftirqd/310:45:293
30900995921,9cyclictest41-21ksoftirqd/311:20:283
30899995929,4cyclictest33-21ksoftirqd/207:57:332
30899995926,15cyclictest33-21ksoftirqd/212:35:002
90422580,5sleep09046-21latency_hist12:10:000
30900995833,3cyclictest41-21ksoftirqd/307:25:143
30900995820,7cyclictest41-21ksoftirqd/310:00:193
30900995815,8cyclictest41-21ksoftirqd/308:35:113
30899995823,7cyclictest33-21ksoftirqd/211:30:002
134491580,4ptp4l2166-21df11:55:141
134491580,4ptp4l0-21swapper/307:48:183
134491580,3ptp4l0-21swapper/310:17:443
134491580,3ptp4l0-21swapper/108:25:331
30900995726,3cyclictest41-21ksoftirqd/311:25:163
30900995718,9cyclictest41-21ksoftirqd/309:55:243
30899995728,3cyclictest33-21ksoftirqd/211:05:592
30899995726,4cyclictest33-21ksoftirqd/208:00:222
30899995725,7cyclictest33-21ksoftirqd/208:31:232
30899995719,3cyclictest33-21ksoftirqd/210:00:252
134491570,4ptp4l0-21swapper/312:39:173
134491570,4ptp4l0-21swapper/108:30:161
134491570,3ptp4l0-21swapper/009:08:090
30900995635,3cyclictest41-21ksoftirqd/308:01:103
30900995619,8cyclictest41-21ksoftirqd/308:30:573
30900995618,7cyclictest41-21ksoftirqd/310:42:283
30899995622,5cyclictest33-21ksoftirqd/207:40:002
30899995621,7cyclictest33-21ksoftirqd/210:05:172
134491560,4ptp4l0-21swapper/312:20:133
134491560,4ptp4l0-21swapper/308:23:183
30900995525,7cyclictest41-21ksoftirqd/310:27:033
30900995520,4cyclictest41-21ksoftirqd/312:00:393
30899995526,5cyclictest33-21ksoftirqd/210:35:422
30899995524,7cyclictest33-21ksoftirqd/211:30:182
30899995524,6cyclictest33-21ksoftirqd/208:43:372
30899995522,9cyclictest33-21ksoftirqd/210:10:242
30899995522,4cyclictest33-21ksoftirqd/209:50:172
30899995521,6cyclictest33-21ksoftirqd/211:25:002
134491550,17ptp4l0-21swapper/112:25:261
71552540,4sleep27158-21unixbench_singl07:25:272
30900995423,9cyclictest41-21ksoftirqd/309:30:123
30900995417,8cyclictest41-21ksoftirqd/310:11:513
30899995425,4cyclictest33-21ksoftirqd/209:55:492
30899995424,6cyclictest33-21ksoftirqd/210:40:242
30899995423,9cyclictest33-21ksoftirqd/212:06:162
30899995423,4cyclictest33-21ksoftirqd/207:30:232
30899995422,9cyclictest33-21ksoftirqd/210:55:002
134491540,5ptp4l0-21swapper/007:05:380
134491540,4ptp4l0-21swapper/207:40:182
134491540,4ptp4l0-21swapper/107:50:101
30900995342,2cyclictest41-21ksoftirqd/312:35:013
30900995339,6cyclictest41-21ksoftirqd/309:49:493
30900995323,3cyclictest41-21ksoftirqd/311:10:183
30900995322,8cyclictest41-21ksoftirqd/308:19:103
30900995318,8cyclictest41-21ksoftirqd/310:53:553
30899995327,4cyclictest33-21ksoftirqd/211:58:432
3089999532,6cyclictest0-21swapper/210:15:122
30899995325,7cyclictest33-21ksoftirqd/211:42:572
30899995325,4cyclictest33-21ksoftirqd/210:47:252
30899995323,6cyclictest33-21ksoftirqd/210:28:352
30899995322,8cyclictest33-21ksoftirqd/209:30:222
30899995322,4cyclictest33-21ksoftirqd/207:46:092
30899995321,8cyclictest33-21ksoftirqd/208:25:132
30899995321,3cyclictest33-21ksoftirqd/212:25:182
30899995318,3cyclictest33-21ksoftirqd/208:50:182
134491530,4ptp4l0-21swapper/307:54:193
30900995237,3cyclictest41-21ksoftirqd/309:05:013
30900995220,9cyclictest41-21ksoftirqd/308:25:233
30900995219,9cyclictest41-21ksoftirqd/310:35:193
30900995217,9cyclictest41-21ksoftirqd/309:44:433
3089999526,4cyclictest33-21ksoftirqd/209:35:182
30899995222,3cyclictest33-21ksoftirqd/212:25:002
30899995221,8cyclictest33-21ksoftirqd/208:35:272
30899995220,7cyclictest33-21ksoftirqd/208:55:332
30899995218,4cyclictest33-21ksoftirqd/209:40:162
30899995218,3cyclictest33-21ksoftirqd/207:50:262
249432520,4sleep00-21swapper/010:25:130
134491520,4ptp4l0-21swapper/111:06:311
134491520,3ptp4l0-21swapper/111:13:161
3090099515,6cyclictest41-21ksoftirqd/312:15:003
3090099513,7cyclictest41-21ksoftirqd/307:15:223
3090099513,7cyclictest41-21ksoftirqd/307:15:223
30900995135,4cyclictest41-21ksoftirqd/307:40:143
3090099513,3cyclictest121rcu_preempt07:35:003
30900995133,7cyclictest41-21ksoftirqd/309:20:223
30900995122,8cyclictest41-21ksoftirqd/309:35:173
30900995119,7cyclictest41-21ksoftirqd/311:30:583
30900995110,8cyclictest41-21ksoftirqd/307:36:503
30899995123,7cyclictest33-21ksoftirqd/212:36:562
30899995121,7cyclictest33-21ksoftirqd/210:20:242
30899995119,4cyclictest33-21ksoftirqd/209:25:252
30897995128,7cyclictest9-21ksoftirqd/009:15:140
134491510,4ptp4l0-21swapper/110:15:431
134491510,4ptp4l0-21swapper/010:20:530
134491510,4ptp4l0-21swapper/008:46:280
134491510,4ptp4l0-21swapper/008:07:550
134491510,4ptp4l0-21swapper/007:15:470
134491510,4ptp4l0-21swapper/007:15:470
3090099507,3cyclictest41-21ksoftirqd/311:50:003
3090099503,3cyclictest41-21ksoftirqd/308:45:173
30899995022,6cyclictest33-21ksoftirqd/207:15:362
30899995022,6cyclictest33-21ksoftirqd/207:15:352
134491500,4ptp4l0-21swapper/211:18:462
134491500,4ptp4l0-21swapper/109:52:271
134491500,4ptp4l0-21swapper/012:01:550
134491500,4ptp4l0-21swapper/011:46:250
134491500,4ptp4l0-21swapper/010:02:460
134491500,4ptp4l0-21swapper/008:03:040
30899994920,3cyclictest33-21ksoftirqd/209:05:192
30899994919,4cyclictest33-21ksoftirqd/209:24:382
30899994918,7cyclictest33-21ksoftirqd/210:57:072
3089999491,5cyclictest121rcu_preempt09:49:242
30899994913,3cyclictest33-21ksoftirqd/211:00:182
134491490,5ptp4l0-21swapper/311:05:143
134491490,4ptp4l0-21swapper/010:58:540
134491490,4ptp4l0-21swapper/010:41:360
134491490,4ptp4l0-21swapper/009:00:030
134491490,3ptp4l0-21swapper/112:33:291
134491490,3ptp4l0-21swapper/109:03:591
3090099483,2cyclictest121rcu_preempt11:15:553
3090099482,3cyclictest121rcu_preempt07:57:333
3090099480,7cyclictest121rcu_preempt10:56:253
3089999481,11cyclictest33-21ksoftirqd/207:23:502
134491480,4ptp4l0-21swapper/312:09:563
134491480,4ptp4l0-21swapper/112:39:311
134491480,4ptp4l0-21swapper/107:31:301
134491480,4ptp4l0-21swapper/012:29:230
134491480,4ptp4l0-21swapper/011:33:470
134491480,4ptp4l0-21swapper/010:10:280
134491480,3ptp4l0-21swapper/109:31:521
134491480,3ptp4l0-21swapper/011:43:590
134491480,3ptp4l0-21swapper/011:08:480
30900994733,3cyclictest41-21ksoftirqd/308:10:243
3090099472,3cyclictest121rcu_preempt11:02:063
3090099472,3cyclictest121rcu_preempt09:50:423
3090099470,6cyclictest41-21ksoftirqd/308:58:163
3090099470,2cyclictest41-21ksoftirqd/309:15:223
3089999471,7cyclictest33-21ksoftirqd/211:11:242
30899994714,4cyclictest33-21ksoftirqd/211:45:212
30897994717,8cyclictest9-21ksoftirqd/009:20:270
134491470,3ptp4l0-21swapper/212:11:332
134491470,3ptp4l0-21swapper/108:07:041
134491470,3ptp4l0-21swapper/010:35:100
134491470,12ptp4l29037-21idleruntime07:05:321
3090099463,6cyclictest121rcu_preempt09:25:273
30900994635,3cyclictest41-21ksoftirqd/311:41:163
3090099461,3cyclictest121rcu_preempt07:12:033
134491460,4ptp4l0-21swapper/007:46:430
30900994538,3cyclictest41-21ksoftirqd/311:55:143
3090099452,2cyclictest121rcu_preempt11:36:523
30899994513,3cyclictest33-21ksoftirqd/210:34:592
134491450,7ptp4l9-21ksoftirqd/008:50:010
134491450,3ptp4l0-21swapper/107:49:211
30900994424,6cyclictest41-21ksoftirqd/310:06:103
30899994429,4cyclictest33-21ksoftirqd/208:17:172
30899994427,7cyclictest33-21ksoftirqd/209:14:202
3089799442,8cyclictest9-21ksoftirqd/008:36:230
30897994411,11cyclictest9-21ksoftirqd/008:55:190
134491440,9ptp4l0-21swapper/207:13:512
134491440,8ptp4l0-21swapper/011:37:410
134491440,4ptp4l4328-21apt-get12:00:121
134491440,4ptp4l0-21swapper/112:05:471
134491440,3ptp4l0-21swapper/111:20:081
30900994330,4cyclictest41-21ksoftirqd/312:27:033
30899994332,3cyclictest33-21ksoftirqd/208:45:172
30899994330,5cyclictest33-21ksoftirqd/209:05:012
30899994324,10cyclictest33-21ksoftirqd/211:51:212
3089999432,3cyclictest121rcu_preempt11:35:162
30897994338,3cyclictest9-21ksoftirqd/009:39:120
3089799432,8cyclictest1325-21kworker/0:012:16:190
134491430,5ptp4l0-21swapper/011:00:140
134491430,4ptp4l27229-21apt-get11:40:151
134491430,4ptp4l0-21swapper/108:47:401
134491430,3ptp4l0-21swapper/109:25:001
30897994228,4cyclictest9-21ksoftirqd/011:50:260
30897994227,7cyclictest9-21ksoftirqd/009:10:160
30897994224,7cyclictest9-21ksoftirqd/008:40:280
134491420,4ptp4l31358-21hddtemp_smartct07:10:160
134491420,4ptp4l0-21swapper/008:20:500
134491420,3ptp4l0-21swapper/109:29:111
30897994137,3cyclictest9-21ksoftirqd/010:19:590
30897994125,7cyclictest9-21ksoftirqd/010:10:000
30897994125,4cyclictest9-21ksoftirqd/007:35:270
30897994123,5cyclictest9-21ksoftirqd/011:10:200
134491410,9ptp4l0-21swapper/208:23:372
134491410,7ptp4l9-21ksoftirqd/009:51:010
134491410,5ptp4l32717-21ntp_states09:30:210
134491410,5ptp4l18271-21/usr/sbin/munin10:10:181
134491410,4ptp4l27212-21df10:30:160
134491410,4ptp4l19616-21apt-get07:55:120
134491410,4ptp4l1521-21apt-get10:45:151
134491410,4ptp4l0-21swapper/109:45:221
134491410,3ptp4l19917-21df_inode07:55:151
30897994026,4cyclictest9-21ksoftirqd/011:15:240
30897994025,7cyclictest9-21ksoftirqd/010:45:220
30897994022,8cyclictest9-21ksoftirqd/008:15:000
134491400,5ptp4l26530-21/usr/sbin/munin08:10:171
134491400,5ptp4l0-21swapper/110:20:151
134491400,5ptp4l0-21swapper/010:50:150
134491400,5ptp4l0-21swapper/008:25:150
134491400,4ptp4l6082-21iostat07:25:180
134491400,4ptp4l32612-21iostat11:50:161
134491400,4ptp4l30652-21ntp_states11:45:231
134491400,4ptp4l22907-21diskstats11:30:131
134491400,4ptp4l21421-21ntp_states11:25:231
134491400,4ptp4l18956-21memory11:20:210
134491400,4ptp4l12176-21apt-get07:40:020
134491400,4ptp4l0-21swapper/110:54:351
134491400,4ptp4l0-21swapper/012:35:300
134491400,4ptp4l0-21swapper/009:55:210
134491400,3ptp4l32649-21ls10:40:231
134491400,3ptp4l3129-21ntp_states11:55:240
134491400,3ptp4l15466-21apt-get10:05:131
134491400,2ptp4l9145-21apt-get12:10:140
30897993932,4cyclictest9-21ksoftirqd/007:50:240
30897993926,4cyclictest9-21ksoftirqd/007:30:220
30897993924,4cyclictest9-21ksoftirqd/009:25:120
134491390,5ptp4l0-21swapper/110:55:271
134491390,5ptp4l0-21swapper/110:00:271
134491390,4ptp4l0-21swapper/112:16:021
134491390,4ptp4l0-21swapper/109:20:001
134491390,4ptp4l0-21swapper/107:42:081
134491390,4ptp4l0-21swapper/012:35:000
134491390,4ptp4l0-21swapper/011:25:170
134491390,4ptp4l0-21swapper/009:49:340
134491390,4ptp4l0-21swapper/009:40:370
134491390,4ptp4l0-21swapper/008:10:240
134491390,3ptp4l5722-21df07:25:141
134491390,3ptp4l2560-21users07:15:291
134491390,3ptp4l2560-21users07:15:291
134491390,3ptp4l0-21swapper/111:18:591
134491380,6ptp4l0-21swapper/207:05:132
134491380,4ptp4l4390-21if_enp4s009:40:171
134491380,4ptp4l0-21swapper/307:05:023
134491380,4ptp4l0-21swapper/112:20:011
134491380,4ptp4l0-21swapper/112:10:131
134491380,4ptp4l0-21swapper/110:30:181
134491380,4ptp4l0-21swapper/109:55:151
134491380,4ptp4l0-21swapper/109:35:161
134491380,4ptp4l0-21swapper/109:10:001
134491380,4ptp4l0-21swapper/108:00:131
134491380,4ptp4l0-21swapper/107:35:221
134491380,4ptp4l0-21swapper/012:20:200
134491380,4ptp4l0-21swapper/007:22:590
134491380,3ptp4l8849-21iostat_ios08:40:201
134491380,3ptp4l4606-21memory08:30:210
134491380,3ptp4l0-21swapper/111:05:011
134491380,3ptp4l0-21swapper/109:05:231
134491370,4ptp4l0-21swapper/108:50:251
134491370,4ptp4l0-21swapper/108:35:481
134491370,4ptp4l0-21swapper/108:21:511
134491370,4ptp4l0-21swapper/107:22:161
134491370,4ptp4l0-21swapper/107:10:191
134491370,3ptp4l0-21swapper/111:35:151
134491370,3ptp4l0-21swapper/108:55:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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