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2026-01-16 - 15:34
[ 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 highest latencies:
System rackdslot1.osadl.org (updated Fri Jan 16, 2026 12:45:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18729996935,3cyclictest9-21ksoftirqd/011:50:000
134491680,4ptp4l0-21swapper/007:05:140
134491680,30ptp4l41-21ksoftirqd/308:45:173
18730996634,4cyclictest25-21ksoftirqd/109:45:241
18729996632,3cyclictest9-21ksoftirqd/009:00:230
18729996534,3cyclictest9-21ksoftirqd/010:25:150
18729996331,3cyclictest9-21ksoftirqd/010:05:010
18729996328,3cyclictest9-21ksoftirqd/007:50:140
18729996233,3cyclictest9-21ksoftirqd/012:20:200
18730996129,4cyclictest25-21ksoftirqd/109:50:121
134491610,4ptp4l0-21swapper/309:25:063
18730996031,3cyclictest25-21ksoftirqd/112:05:241
18730996030,5cyclictest25-21ksoftirqd/112:16:191
18730996029,3cyclictest25-21ksoftirqd/109:35:161
18729996031,3cyclictest9-21ksoftirqd/010:15:230
18729996023,4cyclictest9-21ksoftirqd/009:30:180
18730995932,4cyclictest25-21ksoftirqd/109:00:161
18730995828,3cyclictest25-21ksoftirqd/109:40:141
18730995827,6cyclictest25-21ksoftirqd/107:45:241
18730995827,3cyclictest25-21ksoftirqd/108:05:001
18729995826,10cyclictest9-21ksoftirqd/008:50:170
134491580,4ptp4l0-21swapper/309:47:163
134491580,4ptp4l0-21swapper/110:59:521
18730995723,4cyclictest25-21ksoftirqd/112:00:001
18729995728,3cyclictest9-21ksoftirqd/012:30:220
134491570,5ptp4l0-21swapper/207:55:132
134491570,4ptp4l0-21swapper/308:53:593
18730995625,3cyclictest25-21ksoftirqd/110:20:171
18729995620,8cyclictest9-21ksoftirqd/007:15:420
18729995620,8cyclictest9-21ksoftirqd/007:15:420
18729995617,4cyclictest9-21ksoftirqd/012:01:340
18730995527,4cyclictest25-21ksoftirqd/107:30:321
18729995518,3cyclictest9-21ksoftirqd/012:15:250
134491550,4ptp4l0-21swapper/208:48:562
134491550,3ptp4l0-21swapper/307:29:263
134491550,3ptp4l0-21swapper/210:08:282
134491550,12ptp4l0-21swapper/310:45:573
1873099548,3cyclictest25-21ksoftirqd/107:50:251
18730995426,6cyclictest25-21ksoftirqd/108:55:191
18730995424,3cyclictest25-21ksoftirqd/111:45:011
18730995423,4cyclictest25-21ksoftirqd/109:13:361
18730995421,4cyclictest25-21ksoftirqd/109:30:221
18730995420,7cyclictest25-21ksoftirqd/112:20:151
18729995417,6cyclictest9-21ksoftirqd/011:15:170
134491540,4ptp4l0-21swapper/212:31:482
134491540,3ptp4l0-21swapper/307:11:493
18730995324,4cyclictest25-21ksoftirqd/108:45:141
18730995319,7cyclictest25-21ksoftirqd/111:15:201
18730995319,6cyclictest25-21ksoftirqd/111:50:011
18730995318,3cyclictest25-21ksoftirqd/110:08:141
18729995331,9cyclictest9-21ksoftirqd/011:35:000
18729995322,7cyclictest9-21ksoftirqd/008:35:180
18729995319,8cyclictest9-21ksoftirqd/012:05:190
134491530,3ptp4l0-21swapper/210:05:002
18730995224,4cyclictest25-21ksoftirqd/108:30:241
18730995224,4cyclictest25-21ksoftirqd/107:13:181
18730995222,4cyclictest25-21ksoftirqd/111:05:111
18730995221,13cyclictest25-21ksoftirqd/112:00:261
18730995220,4cyclictest25-21ksoftirqd/107:15:371
18730995220,4cyclictest25-21ksoftirqd/107:15:371
18730995218,4cyclictest25-21ksoftirqd/108:10:151
18730995215,8cyclictest25-21ksoftirqd/109:25:271
1872999526,8cyclictest1132-21sh11:10:000
134491520,4ptp4l0-21swapper/311:30:293
134491520,4ptp4l0-21swapper/111:53:281
134491520,4ptp4l0-21swapper/010:09:580
18730995122,4cyclictest25-21ksoftirqd/107:43:521
18730995118,7cyclictest25-21ksoftirqd/108:20:001
18730995116,3cyclictest25-21ksoftirqd/110:30:251
1872999518,8cyclictest9-21ksoftirqd/009:45:190
1872999515,9cyclictest9-21ksoftirqd/009:25:150
18729995117,6cyclictest9-21ksoftirqd/007:35:230
134491510,4ptp4l0-21swapper/209:20:102
134491510,4ptp4l0-21swapper/208:27:522
134491510,4ptp4l0-21swapper/009:57:340
134491510,3ptp4l0-21swapper/312:17:583
134491510,3ptp4l0-21swapper/208:14:572
134491510,10ptp4l0-21swapper/211:00:142
230162500,6sleep30-21swapper/312:00:003
18730995023,4cyclictest25-21ksoftirqd/107:29:231
18730995019,8cyclictest25-21ksoftirqd/112:10:131
18730995019,4cyclictest25-21ksoftirqd/112:30:211
18730995014,7cyclictest25-21ksoftirqd/110:13:231
1872999500,5cyclictest443-21rs:main0
134491500,4ptp4l0-21swapper/311:03:493
134491500,4ptp4l0-21swapper/309:22:393
134491500,4ptp4l0-21swapper/308:07:293
134491500,4ptp4l0-21swapper/210:42:512
134491500,4ptp4l0-21swapper/209:19:012
134491500,3ptp4l0-21swapper/310:20:273
134491500,3ptp4l0-21swapper/307:57:163
18730994921,4cyclictest25-21ksoftirqd/111:35:171
18730994920,3cyclictest25-21ksoftirqd/111:04:591
18730994915,4cyclictest25-21ksoftirqd/110:35:281
1872999495,3cyclictest9-21ksoftirqd/011:00:180
18729994934,3cyclictest9-21ksoftirqd/007:20:210
1872999493,2cyclictest9-21ksoftirqd/012:10:020
1872999491,2cyclictest9-21ksoftirqd/008:30:010
134491490,4ptp4l0-21swapper/212:16:352
134491490,4ptp4l0-21swapper/208:36:562
134491490,4ptp4l0-21swapper/108:23:021
134491490,4ptp4l0-21swapper/012:35:010
134491490,3ptp4l0-21swapper/212:06:382
134491490,3ptp4l0-21swapper/208:02:412
134491490,3ptp4l0-21swapper/111:31:161
134491490,3ptp4l0-21swapper/007:30:340
18730994818,4cyclictest25-21ksoftirqd/108:50:231
18730994816,4cyclictest25-21ksoftirqd/112:40:011
18730994815,3cyclictest25-21ksoftirqd/109:55:131
18730994814,4cyclictest25-21ksoftirqd/109:15:181
18729994827,8cyclictest9-21ksoftirqd/012:25:270
134491480,4ptp4l0-21swapper/310:27:563
134491480,4ptp4l0-21swapper/208:05:142
134491480,4ptp4l0-21swapper/107:58:371
134491480,4ptp4l0-21swapper/107:23:121
134491480,4ptp4l0-21swapper/009:50:020
134491480,3ptp4l0-21swapper/207:50:352
1873099471,5cyclictest121rcu_preempt07:35:121
1873099471,2cyclictest22053-21awk10:45:011
1872999479,8cyclictest9-21ksoftirqd/008:30:150
1872999473,3cyclictest9-21ksoftirqd/008:15:310
18729994732,3cyclictest9-21ksoftirqd/008:40:210
18729994731,3cyclictest9-21ksoftirqd/008:00:010
1872999472,2cyclictest121rcu_preempt07:25:200
1872999471,6cyclictest9-21ksoftirqd/010:25:000
1872999470,5cyclictest9-21ksoftirqd/008:45:230
1872999470,2cyclictest121rcu_preempt09:35:150
134491470,4ptp4l0-21swapper/311:08:573
134491470,4ptp4l0-21swapper/308:10:093
134491470,4ptp4l0-21swapper/212:04:142
134491470,4ptp4l0-21swapper/207:09:282
134491470,3ptp4l0-21swapper/212:10:272
18731994627,17cyclictest33-21ksoftirqd/212:00:012
18730994636,3cyclictest25-21ksoftirqd/111:10:241
18730994631,4cyclictest25-21ksoftirqd/110:25:231
18730994618,4cyclictest25-21ksoftirqd/111:25:141
18730994617,4cyclictest25-21ksoftirqd/108:25:201
18730994615,3cyclictest25-21ksoftirqd/112:25:161
18730994615,3cyclictest25-21ksoftirqd/109:20:361
1872999464,2cyclictest121rcu_preempt08:05:000
1872999463,2cyclictest121rcu_preempt10:35:200
1872999460,2cyclictest121rcu_preempt10:55:250
134491460,4ptp4l0-21swapper/211:05:242
134491460,3ptp4l0-21swapper/110:49:491
18730994533,3cyclictest25-21ksoftirqd/108:05:221
18730994532,3cyclictest25-21ksoftirqd/110:00:151
18730994517,4cyclictest25-21ksoftirqd/111:24:491
18730994515,4cyclictest25-21ksoftirqd/109:09:061
1872999457,6cyclictest9-21ksoftirqd/009:05:160
1872999454,9cyclictest9-21ksoftirqd/011:40:260
18729994533,5cyclictest9-21ksoftirqd/007:15:000
1872999453,2cyclictest0-21swapper/008:05:200
1872999451,2cyclictest9-21ksoftirqd/011:40:000
1872999450,2cyclictest121rcu_preempt10:10:260
134491450,8ptp4l0-21swapper/107:05:261
134491450,4ptp4l0-21swapper/312:27:083
134491450,4ptp4l0-21swapper/312:14:063
134491450,4ptp4l0-21swapper/310:36:113
134491450,4ptp4l0-21swapper/310:11:053
18730994431,4cyclictest25-21ksoftirqd/110:15:191
18730994411,2cyclictest25-21ksoftirqd/108:43:291
1872999446,6cyclictest0-21swapper/011:55:150
1872999445,5cyclictest9-21ksoftirqd/008:15:000
1872999444,9cyclictest9-21ksoftirqd/010:47:350
1872999443,2cyclictest121rcu_preempt09:40:400
1872999441,2cyclictest121rcu_preempt11:25:130
18729994410,8cyclictest9-21ksoftirqd/009:10:120
1872999440,2cyclictest121rcu_preempt11:55:010
1872999440,2cyclictest121rcu_preempt11:10:170
134491440,5ptp4l0-21swapper/210:50:192
134491440,4ptp4l0-21swapper/312:37:063
134491440,4ptp4l0-21swapper/309:03:333
18731994338,3cyclictest33-21ksoftirqd/211:55:012
18731994337,3cyclictest33-21ksoftirqd/211:35:002
1873099432,3cyclictest121rcu_preempt10:51:201
18730994310,3cyclictest25-21ksoftirqd/108:35:171
1872999435,5cyclictest9-21ksoftirqd/010:50:280
1872999431,2cyclictest121rcu_preempt09:20:120
1872999430,8cyclictest9-21ksoftirqd/007:40:220
134491430,4ptp4l3487-21apt-get08:55:133
134491430,4ptp4l321ktimersoftd/210:20:142
134491430,3ptp4l0-21swapper/210:10:302
224362420,7sleep341-21ksoftirqd/309:35:153
1872999425,3cyclictest9-21ksoftirqd/009:15:220
1872999421,5cyclictest9-21ksoftirqd/010:34:120
18729994210,4cyclictest9-21ksoftirqd/011:21:260
1872999420,2cyclictest121rcu_preempt10:40:120
134491420,9ptp4l0-21swapper/207:47:562
134491420,4ptp4l12515-21apt-get10:25:032
134491420,4ptp4l0-21swapper/312:00:173
134491420,4ptp4l0-21swapper/311:25:183
134491420,4ptp4l0-21swapper/307:08:303
134491420,3ptp4l0-21swapper/312:21:373
134491420,3ptp4l0-21swapper/209:50:262
134491420,3ptp4l0-21swapper/207:25:342
18731994131,9cyclictest33-21ksoftirqd/207:30:232
1872999410,2cyclictest121rcu_preempt08:20:270
134491410,5ptp4l0-21swapper/309:05:123
134491410,5ptp4l0-21swapper/209:10:252
134491410,4ptp4l32023-21users07:35:272
134491410,4ptp4l17108-21apt-get08:15:182
134491410,4ptp4l12719-21apt-get09:15:103
134491410,4ptp4l0-21swapper/308:15:213
134491410,3ptp4l31368-21ls07:35:193
18731994036,2cyclictest33-21ksoftirqd/209:00:012
18731994032,6cyclictest33-21ksoftirqd/212:39:172
18731994027,11cyclictest33-21ksoftirqd/211:14:002
18729994035,3cyclictest9-21ksoftirqd/007:45:140
134491400,5ptp4l0-21swapper/310:55:113
134491400,5ptp4l0-21swapper/308:35:123
134491400,5ptp4l0-21swapper/307:18:143
134491400,5ptp4l0-21swapper/307:18:143
134491400,5ptp4l0-21swapper/210:00:012
134491400,5ptp4l0-21swapper/207:10:002
134491400,4ptp4l8421-21df_inode10:15:132
134491400,4ptp4l28915-21/usr/sbin/munin09:50:133
134491400,4ptp4l27802-21meminfo10:55:202
134491400,4ptp4l23427-21/usr/sbin/munin07:20:263
134491400,4ptp4l0-21swapper/311:45:283
134491400,4ptp4l0-21swapper/207:40:182
134491400,3ptp4l5353-21taskset07:50:123
134491400,3ptp4l531-21apt-get12:20:102
134491400,3ptp4l5018-21ls10:05:263
134491400,3ptp4l29947-21ls08:40:213
134491400,3ptp4l28205-21ls09:45:282
134491400,3ptp4l24330-21apt-get09:40:103
18732993934,3cyclictest41-21ksoftirqd/312:30:183
134491390,5ptp4l1873299cyclictest11:10:193
134491390,5ptp4l0-21swapper/311:15:143
134491390,5ptp4l0-21swapper/309:30:103
134491390,5ptp4l0-21swapper/208:20:112
134491390,4ptp4l19402-21cron09:30:012
134491390,4ptp4l0-21swapper/311:50:143
134491390,4ptp4l0-21swapper/311:42:283
134491390,4ptp4l0-21swapper/309:14:393
134491390,4ptp4l0-21swapper/308:30:133
134491390,4ptp4l0-21swapper/308:25:113
134491390,4ptp4l0-21swapper/307:45:113
134491390,4ptp4l0-21swapper/212:25:002
134491390,4ptp4l0-21swapper/211:44:472
134491390,4ptp4l0-21swapper/211:17:242
134491390,4ptp4l0-21swapper/210:45:282
134491390,4ptp4l0-21swapper/209:33:072
134491390,4ptp4l0-21swapper/209:02:122
134491390,4ptp4l0-21swapper/208:44:482
134491390,4ptp4l0-21swapper/207:15:282
134491390,4ptp4l0-21swapper/207:15:282
134491390,3ptp4l24982-21hddtemp_smartct10:50:153
134491390,3ptp4l22007-21apt-get09:35:122
134491390,3ptp4l0-21swapper/310:17:303
134491380,5ptp4l0-21swapper/210:32:162
134491380,4ptp4l0-21swapper/312:05:213
134491380,4ptp4l0-21swapper/311:38:243
134491380,4ptp4l0-21swapper/310:43:183
134491380,4ptp4l0-21swapper/310:30:283
134491380,4ptp4l0-21swapper/310:00:133
134491380,4ptp4l0-21swapper/308:20:183
134491380,4ptp4l0-21swapper/211:46:302
134491380,4ptp4l0-21swapper/211:35:092
134491380,4ptp4l0-21swapper/211:28:092
134491380,4ptp4l0-21swapper/211:21:482
134491380,4ptp4l0-21swapper/210:35:442
134491380,4ptp4l0-21swapper/208:50:132
134491380,4ptp4l0-21swapper/208:30:212
134491380,3ptp4l0-21swapper/308:00:153
134491380,3ptp4l0-21swapper/307:40:183
134491380,3ptp4l0-21swapper/209:05:042
134491380,3ptp4l0-21swapper/207:22:202
134491370,4ptp4l0-21swapper/311:20:183
134491370,4ptp4l0-21swapper/309:56:413
134491370,3ptp4l0-21swapper/209:40:242
134491360,4ptp4l0-21swapper/307:30:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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