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2026-01-17 - 16:51
[ 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 Jan 17, 2026 12:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1378221670,4sleep2487899cyclictest09:45:302
313521500,8sleep00-21swapper/007:05:170
1745821500,7sleep0487699cyclictest09:55:180
168582690,4sleep20-21swapper/211:05:002
4878996433,3cyclictest33-21ksoftirqd/210:50:132
134491630,3ptp4l0-21swapper/108:00:141
4878996128,5cyclictest33-21ksoftirqd/210:55:132
4878996127,6cyclictest33-21ksoftirqd/211:30:142
4878996127,6cyclictest33-21ksoftirqd/208:10:282
4878996127,4cyclictest33-21ksoftirqd/209:14:592
4878996126,6cyclictest33-21ksoftirqd/207:55:162
4878996125,6cyclictest33-21ksoftirqd/211:50:012
134491610,5ptp4l28978-21apt-get11:30:121
4878996027,6cyclictest33-21ksoftirqd/207:20:182
4878996027,5cyclictest33-21ksoftirqd/207:10:132
4878996024,6cyclictest33-21ksoftirqd/211:45:012
134491600,4ptp4l1301-21snmpd08:42:322
4878995927,6cyclictest33-21ksoftirqd/210:15:292
4878995927,6cyclictest33-21ksoftirqd/208:45:122
4878995926,6cyclictest33-21ksoftirqd/209:50:192
4878995924,7cyclictest33-21ksoftirqd/209:55:202
4878995923,6cyclictest33-21ksoftirqd/212:35:132
4878995917,7cyclictest33-21ksoftirqd/207:40:002
134491590,4ptp4l0-21swapper/210:11:352
134491590,3ptp4l0-21swapper/112:35:221
4878995828,3cyclictest33-21ksoftirqd/210:00:292
4878995825,6cyclictest33-21ksoftirqd/210:25:162
4878995825,5cyclictest33-21ksoftirqd/208:20:132
4878995825,4cyclictest33-21ksoftirqd/208:25:332
4878995824,6cyclictest33-21ksoftirqd/211:15:162
4878995823,6cyclictest33-21ksoftirqd/209:25:262
4878995822,11cyclictest33-21ksoftirqd/210:35:012
134491580,4ptp4l18679-21sshd09:55:581
134491580,4ptp4l0-21swapper/107:39:351
134491580,3ptp4l0-21swapper/107:45:201
4878995729,3cyclictest33-21ksoftirqd/208:19:592
4878995727,7cyclictest33-21ksoftirqd/207:25:152
4878995725,5cyclictest33-21ksoftirqd/207:15:182
4878995723,6cyclictest33-21ksoftirqd/209:20:182
4878995723,6cyclictest33-21ksoftirqd/209:05:132
4878995722,6cyclictest33-21ksoftirqd/211:50:292
4878995721,6cyclictest33-21ksoftirqd/208:55:232
4878995719,7cyclictest33-21ksoftirqd/209:15:252
134491570,11ptp4l2532-21apt-get07:05:101
4878995625,5cyclictest33-21ksoftirqd/209:40:142
4878995625,5cyclictest33-21ksoftirqd/209:00:172
4878995624,5cyclictest33-21ksoftirqd/208:35:212
4878995624,4cyclictest33-21ksoftirqd/212:00:002
4878995623,6cyclictest33-21ksoftirqd/208:30:002
4878995623,5cyclictest33-21ksoftirqd/212:15:272
4878995622,4cyclictest33-21ksoftirqd/212:25:192
134491560,4ptp4l0-21swapper/012:20:210
4878995525,4cyclictest33-21ksoftirqd/208:05:142
4878995522,5cyclictest33-21ksoftirqd/212:30:192
4878995522,5cyclictest33-21ksoftirqd/207:45:292
4878995520,8cyclictest33-21ksoftirqd/212:00:202
4876995522,4cyclictest9-21ksoftirqd/011:51:380
134491550,4ptp4l0-21swapper/109:54:431
134491550,3ptp4l0-21swapper/207:30:142
134491550,3ptp4l0-21swapper/112:30:171
134491550,3ptp4l0-21swapper/008:10:230
134491550,12ptp4l0-21swapper/109:38:501
4878995426,6cyclictest33-21ksoftirqd/212:10:142
4878995426,6cyclictest33-21ksoftirqd/211:30:002
4878995419,6cyclictest33-21ksoftirqd/211:35:202
4878995419,5cyclictest33-21ksoftirqd/211:10:242
4878995418,6cyclictest33-21ksoftirqd/211:05:202
4878995418,6cyclictest33-21ksoftirqd/211:05:202
487699545,8cyclictest9-21ksoftirqd/007:45:260
487699545,3cyclictest121rcu_preempt10:15:240
487699544,3cyclictest0-21swapper/012:35:130
4876995421,3cyclictest9-21ksoftirqd/010:30:530
134491540,4ptp4l0-21swapper/107:43:361
134491540,15ptp4l0-21swapper/109:10:591
4878995324,3cyclictest33-21ksoftirqd/208:02:212
4878995321,5cyclictest33-21ksoftirqd/210:45:172
4878995319,5cyclictest33-21ksoftirqd/212:20:182
487699533,9cyclictest9-21ksoftirqd/011:20:180
487699533,5cyclictest9-21ksoftirqd/010:00:280
4876995324,3cyclictest9-21ksoftirqd/007:27:360
4876995323,6cyclictest9-21ksoftirqd/011:58:580
134491530,4ptp4l0-21swapper/109:20:161
4878995219,5cyclictest33-21ksoftirqd/207:50:452
4878995219,5cyclictest33-21ksoftirqd/207:50:452
4876995218,5cyclictest9-21ksoftirqd/012:25:170
487699521,6cyclictest101ktimersoftd/011:45:010
134491520,4ptp4l0-21swapper/107:28:081
134491520,4ptp4l0-21swapper/007:12:570
4878995120,6cyclictest33-21ksoftirqd/207:40:182
4878995119,5cyclictest33-21ksoftirqd/209:30:282
4878995114,5cyclictest33-21ksoftirqd/208:55:002
487699514,5cyclictest9-21ksoftirqd/012:15:170
487699513,7cyclictest9-21ksoftirqd/007:20:270
4876995124,6cyclictest9-21ksoftirqd/010:25:250
487699510,12cyclictest9-21ksoftirqd/010:41:320
4878995019,5cyclictest33-21ksoftirqd/210:35:262
487699505,5cyclictest9-21ksoftirqd/009:25:170
487699502,6cyclictest9-21ksoftirqd/011:30:270
487699502,6cyclictest9-21ksoftirqd/007:35:140
487699502,6cyclictest0-21swapper/009:35:150
4876995023,3cyclictest9-21ksoftirqd/008:33:560
487699501,6cyclictest101ktimersoftd/012:30:130
487699500,47cyclictest101ktimersoftd/009:20:130
242462500,3sleep20-21swapper/211:20:122
134491500,4ptp4l0-21swapper/007:58:570
134491500,3ptp4l0-21swapper/009:17:510
4878994912,5cyclictest33-21ksoftirqd/209:35:232
487699495,5cyclictest9-21ksoftirqd/011:25:190
487699495,5cyclictest9-21ksoftirqd/011:05:170
487699495,5cyclictest9-21ksoftirqd/011:05:170
487699494,5cyclictest9-21ksoftirqd/009:05:260
487699492,7cyclictest9-21ksoftirqd/012:15:000
487699492,7cyclictest9-21ksoftirqd/011:35:260
4876994921,2cyclictest9-21ksoftirqd/009:00:300
487699491,4cyclictest0-21swapper/010:50:170
4876994913,5cyclictest9-21ksoftirqd/007:50:390
4876994913,5cyclictest9-21ksoftirqd/007:50:390
487699490,6cyclictest9-21ksoftirqd/011:15:140
134491490,4ptp4l0-21swapper/110:53:561
134491490,4ptp4l0-21swapper/012:01:230
4878994817,8cyclictest33-21ksoftirqd/210:20:172
487699484,5cyclictest9-21ksoftirqd/009:30:170
487699484,5cyclictest9-21ksoftirqd/007:30:160
487699480,6cyclictest101ktimersoftd/011:45:220
487699480,5cyclictest21203-21uptime11:10:260
487699480,2cyclictest134491ptp4l09:50:140
487899471,2cyclictest0-21swapper/212:05:182
487699474,5cyclictest9-21ksoftirqd/008:00:170
487699473,5cyclictest101ktimersoftd/008:50:280
487699470,7cyclictest101ktimersoftd/007:40:130
487699470,6cyclictest101ktimersoftd/009:40:150
487699470,5cyclictest9-21ksoftirqd/008:35:280
487699470,5cyclictest101ktimersoftd/010:05:280
4877994625,6cyclictest25-21ksoftirqd/110:40:001
487699464,5cyclictest9-21ksoftirqd/010:20:160
487699462,6cyclictest101ktimersoftd/008:55:170
487699460,5cyclictest101ktimersoftd/009:10:150
134491460,4ptp4l0-21swapper/110:02:151
134491460,4ptp4l0-21swapper/109:02:461
134491460,3ptp4l0-21swapper/111:09:161
134491460,3ptp4l0-21swapper/111:09:161
134491460,3ptp4l0-21swapper/108:07:491
134491460,2ptp4l0-21swapper/108:13:051
487699455,7cyclictest9-21ksoftirqd/008:49:590
487699455,5cyclictest9-21ksoftirqd/010:35:260
487699454,7cyclictest9-21ksoftirqd/009:45:280
487699452,10cyclictest0-21swapper/008:09:570
487699451,6cyclictest9-21ksoftirqd/010:10:260
487699450,6cyclictest101ktimersoftd/012:05:160
487699450,6cyclictest101ktimersoftd/011:00:000
134491450,9ptp4l0-21swapper/111:53:471
134491450,4ptp4l0-21swapper/107:22:481
134491450,3ptp4l0-21swapper/112:25:331
487999445,26cyclictest27104-21cut11:25:193
4877994436,5cyclictest25-21ksoftirqd/107:55:001
4877994436,5cyclictest25-21ksoftirqd/107:55:001
487699442,6cyclictest9-21ksoftirqd/007:15:230
134491440,4ptp4l0-21swapper/112:15:031
487899430,2cyclictest121rcu_preempt10:40:132
4877994337,3cyclictest407-21basename10:29:591
4876994321,2cyclictest9-21ksoftirqd/010:46:480
4876994320,2cyclictest9-21ksoftirqd/008:20:300
487699431,5cyclictest0-21swapper/011:00:260
487699431,4cyclictest0-21swapper/008:40:110
134491430,9ptp4l25-21ksoftirqd/108:46:281
134491430,4ptp4l7545-21df_inode08:25:200
134491430,4ptp4l20201-21apt-get12:20:111
134491430,4ptp4l0-21swapper/108:35:451
487999426,23cyclictest583-21fschecks_time08:10:173
487799425,3cyclictest121rcu_preempt09:25:201
134491420,8ptp4l0-21swapper/109:44:211
134491420,5ptp4l23765-21/usr/sbin/munin12:25:263
134491420,4ptp4l15573-21apt-get12:10:131
134491420,4ptp4l15121-21apt-get12:10:043
134491420,4ptp4l12769-21hddtemp_smartct10:55:161
134491420,4ptp4l0-21swapper/310:30:253
134491420,4ptp4l0-21swapper/309:40:173
134491420,4ptp4l0-21swapper/111:28:431
134491420,4ptp4l0-21swapper/108:40:061
134491420,4ptp4l0-21swapper/108:23:261
487999412,3cyclictest4908-21apt-get07:10:123
487899411,2cyclictest121rcu_preempt10:10:012
134491410,5ptp4l13626-21iostat12:05:181
134491410,4ptp4l8378-21apt-get11:55:121
134491410,4ptp4l5360-21apt-get09:30:141
134491410,4ptp4l507-21users11:35:271
134491410,4ptp4l18906-21apt-get11:08:083
134491410,4ptp4l18906-21apt-get11:08:083
134491410,4ptp4l15786-21ntp_states11:00:231
134491410,4ptp4l0-21swapper/308:17:493
134491410,4ptp4l0-21swapper/109:45:251
134491410,4ptp4l0-21swapper/109:19:551
134491410,4ptp4l0-21swapper/109:09:351
134491410,3ptp4l7969-21diskstats09:35:153
487999401,4cyclictest134691getstats11:30:243
487699400,2cyclictest17519-21kworker/0:108:15:170
134491400,7ptp4l1317-21runrttasks09:45:473
134491400,4ptp4l3908-21/usr/sbin/munin09:25:213
134491400,4ptp4l3312-21apt-get11:45:021
134491400,4ptp4l24995-21ntp_states10:10:233
134491400,4ptp4l2360-21ntp_states11:40:211
134491400,4ptp4l23509-21users11:15:251
134491400,4ptp4l21154-21/usr/sbin/munin11:10:271
134491400,4ptp4l0-21swapper/311:55:213
134491400,4ptp4l0-21swapper/310:55:143
134491400,4ptp4l0-21swapper/309:55:413
134491400,4ptp4l0-21swapper/112:01:151
134491400,4ptp4l0-21swapper/110:45:271
134491400,4ptp4l0-21swapper/110:43:311
134491400,4ptp4l0-21swapper/110:10:131
134491400,4ptp4l0-21swapper/108:25:211
134491400,4ptp4l0-21swapper/107:55:231
134491400,4ptp4l0-21swapper/107:16:501
134491400,4ptp4l0-21swapper/107:10:201
134491400,3ptp4l9958-21df08:30:141
134491400,3ptp4l656-21apt-get10:30:101
134491400,3ptp4l3177-21iostat_ios08:15:201
134491400,3ptp4l26384-21df10:15:141
4879993933,4cyclictest41-21ksoftirqd/312:21:033
134491390,4ptp4l25505-21smart_sda11:20:241
134491390,4ptp4l2126-21unixbench_singl09:20:283
134491390,4ptp4l0-21swapper/312:36:233
134491390,4ptp4l0-21swapper/312:00:493
134491390,4ptp4l0-21swapper/311:40:433
134491390,4ptp4l0-21swapper/310:44:473
134491390,4ptp4l0-21swapper/310:17:073
134491390,4ptp4l0-21swapper/310:05:113
134491390,4ptp4l0-21swapper/308:40:173
134491390,4ptp4l0-21swapper/308:31:213
134491390,4ptp4l0-21swapper/307:30:133
134491390,4ptp4l0-21swapper/307:20:123
134491390,4ptp4l0-21swapper/110:09:471
134491390,4ptp4l0-21swapper/108:50:271
134491390,4ptp4l0-21swapper/107:30:171
134491390,3ptp4l28800-21df_inode10:20:141
134491390,3ptp4l22279-21memory08:55:201
4879993832,4cyclictest41-21ksoftirqd/310:25:373
4879993831,4cyclictest41-21ksoftirqd/308:20:263
134491380,4ptp4l11996-21grep07:25:123
134491380,4ptp4l0-21swapper/312:32:113
134491380,4ptp4l0-21swapper/312:19:043
134491380,4ptp4l0-21swapper/311:11:593
134491380,4ptp4l0-21swapper/311:04:503
134491380,4ptp4l0-21swapper/309:53:373
134491380,4ptp4l0-21swapper/308:56:413
134491380,4ptp4l0-21swapper/308:49:433
134491380,4ptp4l0-21swapper/308:07:293
134491380,4ptp4l0-21swapper/307:37:133
134491380,3ptp4l0-21swapper/312:09:333
134491380,3ptp4l0-21swapper/310:51:383
134491380,3ptp4l0-21swapper/310:00:173
134491380,3ptp4l0-21swapper/307:15:243
4879993731,4cyclictest41-21ksoftirqd/311:49:183
487999370,3cyclictest20148-21ntp_states08:50:253
134491370,4ptp4l0-21swapper/311:53:533
134491370,4ptp4l0-21swapper/311:15:413
134491370,4ptp4l0-21swapper/310:48:043
134491370,4ptp4l0-21swapper/310:35:273
134491370,4ptp4l0-21swapper/308:28:293
134491370,4ptp4l0-21swapper/307:56:173
134491370,4ptp4l0-21swapper/307:52:343
134491370,4ptp4l0-21swapper/307:52:343
4879993631,3cyclictest41-21ksoftirqd/308:00:103
4879993629,4cyclictest41-21ksoftirqd/310:20:203
4879993629,4cyclictest41-21ksoftirqd/309:31:503
134491360,4ptp4l0-21swapper/311:37:053
134491360,4ptp4l0-21swapper/311:20:103
134491360,4ptp4l0-21swapper/308:37:243
134491360,4ptp4l0-21swapper/307:48:013
134491360,4ptp4l0-21swapper/307:43:553
4879993511,19cyclictest25951-21apt-get09:05:133
134491350,3ptp4l0-21swapper/309:18:593
134491340,4ptp4l0-21swapper/309:12:583
134491340,3ptp4l0-21swapper/309:00:313
25362184,9sleep30-21swapper/307:05:123
45512114,3sleep20-21swapper/207:09:412
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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