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2026-02-07 - 09:17
[ 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
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rackbslot7.osadl.org (updated Sat Feb 07, 2026 00:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
218519910229,33cyclictest13284-21runrttasks00:17:450
218519910229,33cyclictest13284-21runrttasks00:17:450
218559910164,8cyclictest181rcu_preempt23:54:001
206112979,58sleep020655-21if_eth019:03:060
206112979,58sleep020655-21if_eth019:03:060
21851999461,23cyclictest30519-21apt-get19:32:520
21864999260,8cyclictest181rcu_preempt23:33:132
186502920,12sleep20-21swapper/220:33:282
21855999171,7cyclictest181rcu_preempt00:01:231
21851999057,28cyclictest21836-21cyclictest22:28:130
21851999053,29cyclictest2887-21ssh21:17:520
21855998939,19cyclictest0-21swapper/121:48:141
21855998854,8cyclictest181rcu_preempt20:43:041
21855998854,8cyclictest181rcu_preempt20:43:041
21855998842,14cyclictest32725-21latency_hist22:07:391
21855998841,26cyclictest0-21swapper/122:58:161
21851998812,44cyclictest20572-21kworker/u17:0+rpciod21:42:230
21864998767,9cyclictest0-21swapper/219:12:402
21855998759,20cyclictest29358-21needreboot19:28:031
21855998759,20cyclictest29358-21needreboot19:28:031
21855998741,7cyclictest181rcu_preempt21:08:211
21855998741,7cyclictest181rcu_preempt21:08:211
21851998727,36cyclictest30496-21sh22:57:410
21864998649,10cyclictest181rcu_preempt22:40:202
21864998646,12cyclictest181rcu_preempt20:04:182
21864998619,30cyclictest39-21ksoftirqd/222:25:342
21864998619,30cyclictest39-21ksoftirqd/222:25:342
21855998659,8cyclictest181rcu_preempt21:56:221
21855998649,8cyclictest181rcu_preempt20:57:391
21851998655,24cyclictest1084-21apt-get23:57:510
216562866,63sleep10-21swapper/119:07:101
216562866,63sleep10-21swapper/119:07:101
21864998563,15cyclictest0-21swapper/223:53:002
21855998517,25cyclictest31-21ksoftirqd/123:47:531
21855998517,25cyclictest31-21ksoftirqd/123:47:531
21851998568,10cyclictest25722-21grep20:57:360
21851998514,24cyclictest1833-21ntp_states19:43:080
2186499848,62cyclictest1483-21ssh23:03:142
21864998452,7cyclictest181rcu_preempt21:58:102
2186499845,24cyclictest39-21ksoftirqd/222:04:352
21855998457,18cyclictest8856-21sh21:27:531
21855998450,7cyclictest181rcu_preempt22:37:381
21851998457,19cyclictest21556-21apt-get22:42:510
21851998426,29cyclictest7431-21taskset23:13:120
77992830,6sleep20-21swapper/221:25:382
21864998360,7cyclictest181rcu_preempt19:32:532
21864998360,13cyclictest0-21swapper/222:07:562
21855998362,12cyclictest0-21swapper/120:38:061
21855998362,12cyclictest0-21swapper/120:38:061
21855998348,9cyclictest181rcu_preempt21:01:411
21855998343,10cyclictest4511-21ssh00:03:031
21855998341,12cyclictest0-21swapper/120:52:391
21855998319,34cyclictest31-21ksoftirqd/119:38:161
21855998317,38cyclictest31-21ksoftirqd/121:17:411
21864998268,7cyclictest0-21swapper/221:27:572
21864998249,7cyclictest181rcu_preempt23:23:092
21864998245,8cyclictest181rcu_preempt00:20:272
21864998245,8cyclictest181rcu_preempt00:20:272
21864998245,11cyclictest181rcu_preempt19:32:342
21864998245,11cyclictest181rcu_preempt19:32:342
2185599823,57cyclictest1321-21apt-get23:03:151
21851998252,21cyclictest16070-21apt-get20:27:490
21851998248,22cyclictest2906-21apt-get19:47:460
21851998233,34cyclictest26008-21apt-get20:57:480
21851998220,28cyclictest2859-21ssh23:04:270
21851998214,22cyclictest0-21swapper/000:32:580
21864998161,9cyclictest0-21swapper/221:53:142
21864998159,12cyclictest0-21swapper/221:07:392
21864998125,31cyclictest39-21ksoftirqd/222:20:132
2186499812,38cyclictest16318-21sendmail_mailtr22:33:112
21855998164,11cyclictest7056-21/usr/sbin/munin00:08:131
21855998160,15cyclictest21836-21cyclictest20:12:401
21855998160,15cyclictest21836-21cyclictest20:12:401
21855998159,14cyclictest21836-21cyclictest20:18:121
21855998145,10cyclictest21836-21cyclictest23:36:341
21855998143,8cyclictest0-21swapper/121:42:591
21855998143,8cyclictest0-21swapper/121:42:591
21851998132,25cyclictest27225-21latency_hist23:47:400
21851998125,29cyclictest28964-21diskmemload23:33:130
21851998117,28cyclictest0-21swapper/023:48:120
21851998117,28cyclictest0-21swapper/023:48:120
21864998058,14cyclictest0-21swapper/223:47:372
21864998035,17cyclictest181rcu_preempt23:08:072
21864998035,17cyclictest181rcu_preempt23:08:072
21855998051,9cyclictest181rcu_preempt22:32:401
21855998043,8cyclictest181rcu_preempt22:08:111
21855998039,13cyclictest21836-21cyclictest22:00:321
21851998059,15cyclictest7262-21sh00:07:560
21851998044,24cyclictest9370-21apt-get20:07:480
21851998044,24cyclictest9370-21apt-get20:07:480
21851998043,27cyclictest12581-21apt-get23:22:520
21851998026,23cyclictest27096-21ssh22:52:180
21851998021,28cyclictest6251-21ssh23:10:340
21851998021,28cyclictest6251-21ssh23:10:340
21864997964,9cyclictest0-21swapper/200:23:082
21864997953,17cyclictest28964-21diskmemload00:02:262
21864997941,10cyclictest181rcu_preempt20:39:272
21864997941,10cyclictest181rcu_preempt20:39:272
21855997957,15cyclictest1096-21kworker/u17:3-rpciod00:19:061
21855997957,15cyclictest1096-21kworker/u17:3-rpciod00:19:061
21855997951,11cyclictest181rcu_preempt22:47:581
21855997948,23cyclictest27692-21latency19:23:031
21855997945,8cyclictest181rcu_preempt19:51:161
21855997944,6cyclictest0-21swapper/119:52:411
21855997940,7cyclictest0-21swapper/122:21:331
21855997940,18cyclictest0-21swapper/119:13:011
21851997963,10cyclictest31281-21ssh23:53:090
21851997950,21cyclictest22770-21apt-get20:47:500
21851997948,22cyclictest13954-21modprobe20:22:370
21851997931,22cyclictest1563-21ssh21:14:570
21851997930,40cyclictest18065-21ssh21:42:480
21851997930,40cyclictest18065-21ssh21:42:480
21851997930,26cyclictest14009-21taskset21:36:180
21851997920,28cyclictest1441-21ssh22:08:110
21851997919,22cyclictest0-21swapper/021:23:000
21864997853,18cyclictest929-21kworker/u17:3+events_unbound20:02:372
21864997852,8cyclictest181rcu_preempt22:52:162
21864997845,8cyclictest181rcu_preempt23:51:302
21864997845,8cyclictest181rcu_preempt23:51:302
21864997841,20cyclictest13327-21ssh22:28:102
21855997858,10cyclictest0-21swapper/120:13:271
21855997857,8cyclictest181rcu_preempt21:22:311
21855997852,15cyclictest181rcu_preempt22:46:451
21855997849,9cyclictest181rcu_preempt00:17:291
21855997849,9cyclictest181rcu_preempt00:17:291
21855997849,8cyclictest181rcu_preempt20:33:221
21855997844,11cyclictest19374-21switchtime22:38:111
21855997822,20cyclictest31-21ksoftirqd/100:37:391
21855997821,30cyclictest31-21ksoftirqd/119:43:141
21851997861,9cyclictest21062-21apt-get21:47:500
21851997841,31cyclictest0-21swapper/000:27:490
21851997841,26cyclictest0-21swapper/022:17:490
21851997830,39cyclictest20399-21rm22:40:150
21851997830,26cyclictest31132-21ssh21:10:170
21851997830,26cyclictest31132-21ssh21:10:170
21851997829,42cyclictest22240-21wc23:38:080
21851997828,22cyclictest28290-21runrttasks19:23:160
21851997826,22cyclictest15758-21df23:27:560
21851997826,21cyclictest30019-21ssh22:57:070
21851997823,43cyclictest29102-21grep19:27:570
21851997823,43cyclictest29102-21grep19:27:570
21851997815,29cyclictest31753-21ssh22:04:540
21864997758,10cyclictest0-21swapper/220:47:572
21864997751,17cyclictest0-21swapper/219:57:392
21864997749,8cyclictest181rcu_preempt22:58:272
21864997747,8cyclictest181rcu_preempt20:25:182
21864997743,9cyclictest181rcu_preempt19:39:462
21864997732,26cyclictest0-21swapper/223:18:012
21864997732,26cyclictest0-21swapper/223:18:012
21864997731,30cyclictest0-21swapper/220:07:542
21864997731,30cyclictest0-21swapper/220:07:542
21864997711,34cyclictest39-21ksoftirqd/222:42:542
21855997762,11cyclictest21836-21cyclictest21:03:111
21855997756,8cyclictest181rcu_preempt20:27:441
21855997742,7cyclictest0-21swapper/122:53:111
21855997736,11cyclictest181rcu_preempt19:34:421
21855997734,11cyclictest0-21swapper/119:57:591
21855997724,17cyclictest181rcu_preempt23:12:531
21851997744,22cyclictest15561-21apt-get22:32:480
21851997732,22cyclictest22162-21seq20:43:220
21851997732,22cyclictest22162-21seq20:43:220
21851997727,41cyclictest5252-21ssh00:03:230
21851997727,40cyclictest11602-21ssh00:14:290
21851997727,40cyclictest11602-21ssh00:14:290
21851997726,29cyclictest7150-21taskset19:58:220
21851997726,21cyclictest4675-21ssh22:13:150
21851997726,20cyclictest9697-21ssh23:18:040
21851997726,20cyclictest9697-21ssh23:18:040
206712779,36sleep20-21swapper/219:03:082
206712779,36sleep20-21swapper/219:03:082
21864997647,8cyclictest181rcu_preempt23:12:522
21864997646,7cyclictest181rcu_preempt00:07:222
21864997628,11cyclictest181rcu_preempt00:35:032
21855997651,7cyclictest181rcu_preempt21:34:281
21855997644,7cyclictest181rcu_preempt22:13:051
21855997642,8cyclictest0-21swapper/121:38:241
21855997642,10cyclictest181rcu_preempt00:26:251
21851997639,27cyclictest9596-21apt-get22:22:480
21851997639,27cyclictest9596-21apt-get22:22:480
21851997631,37cyclictest4889-21kernelversion19:53:020
21851997628,26cyclictest10246-21ssh21:29:070
21851997627,16cyclictest8888-21taskset20:04:580
21864997558,8cyclictest0-21swapper/220:47:382
21864997558,8cyclictest0-21swapper/220:47:382
21864997555,10cyclictest0-21swapper/223:42:392
21864997516,31cyclictest39-21ksoftirqd/220:53:032
21855997556,9cyclictest0-21swapper/120:23:161
21855997546,8cyclictest181rcu_preempt19:11:541
21855997539,14cyclictest19676-21snmpd23:32:301
21855997535,9cyclictest0-21swapper/123:12:401
21855997535,9cyclictest0-21swapper/123:12:401
21851997552,17cyclictest27850-21ssh21:58:120
21851997544,20cyclictest27620-21apt-get21:02:510
21851997529,23cyclictest26359-21taskset21:56:390
21851997529,23cyclictest25099-21seq19:13:530
21851997528,24cyclictest18567-21ssh00:26:310
21851997526,18cyclictest23146-21taskset19:09:540
21851997519,24cyclictest0-21swapper/020:38:000
21851997519,24cyclictest0-21swapper/020:38:000
21864997460,7cyclictest0-21swapper/222:53:002
21864997444,7cyclictest181rcu_preempt21:13:142
21855997449,8cyclictest181rcu_preempt00:27:591
21855997417,21cyclictest31-21ksoftirqd/122:23:131
21855997417,21cyclictest31-21ksoftirqd/122:23:131
21851997434,29cyclictest12365-21grep20:17:370
21851997427,23cyclictest15674-21taskset20:26:060
21851997421,24cyclictest0-21swapper/019:18:030
21864997354,9cyclictest0-21swapper/221:43:042
21864997354,9cyclictest0-21swapper/221:43:042
21864997346,9cyclictest181rcu_preempt21:33:272
21864997336,12cyclictest181rcu_preempt00:29:482
21864997310,30cyclictest39-21ksoftirqd/221:21:592
21855997327,16cyclictest0-21swapper/123:38:521
21855997326,18cyclictest0-21swapper/123:42:531
21855997325,24cyclictest0-21swapper/123:18:221
21855997325,24cyclictest0-21swapper/123:18:221
21855997318,24cyclictest31-21ksoftirqd/120:07:381
21851997342,21cyclictest17914-21apt-get20:33:050
21851997328,22cyclictest809-21seq19:39:490
2140927311,35sleep30-21swapper/319:04:363
2140927311,35sleep30-21swapper/319:04:363
319962722,23sleep21-21systemd21:12:382
319962722,23sleep21-21systemd21:12:382
21864997234,9cyclictest181rcu_preempt20:58:582
21864997228,16cyclictest181rcu_preempt23:31:022
21864997217,19cyclictest39-21ksoftirqd/221:38:352
21855997254,12cyclictest13016-21kernelversion23:23:021
21855997232,8cyclictest181rcu_preempt21:26:471
2186499717,25cyclictest39-21ksoftirqd/219:48:082
21864997148,8cyclictest181rcu_preempt19:42:572
2186499712,26cyclictest39-21ksoftirqd/220:13:162
2186499712,26cyclictest39-21ksoftirqd/200:08:032
21864997043,7cyclictest181rcu_preempt21:48:502
21864997042,16cyclictest3253-21kworker/u17:0-flush-179:022:14:512
21864997035,10cyclictest181rcu_preempt00:13:522
21864997035,10cyclictest181rcu_preempt00:13:522
21855996929,8cyclictest0-21swapper/119:18:121
21864996830,10cyclictest181rcu_preempt20:17:572
21864996747,7cyclictest181rcu_preempt19:12:572
21864996738,10cyclictest181rcu_preempt19:21:112
21864996642,7cyclictest181rcu_preempt19:23:142
2186499662,27cyclictest39-21ksoftirqd/220:28:132
210902650,7sleep30-21swapper/323:37:163
21870995723,24cyclictest23658-21taskset00:34:003
2187099523,33cyclictest15573-21taskset23:27:473
2187099514,36cyclictest1669-21taskset23:58:043
21870995037,8cyclictest451rcuc/320:06:063
21870995035,9cyclictest451rcuc/320:26:253
2187099493,36cyclictest19297-21chrt00:27:483
2187099482,36cyclictest831-21taskset23:02:373
2187099482,34cyclictest22788-21taskset21:50:003
21870994734,8cyclictest451rcuc/321:22:343
2187099473,31cyclictest6193-21taskset23:10:243
2187099473,31cyclictest6193-21taskset23:10:243
2187099473,31cyclictest21796-21taskset23:37:573
2187099473,29cyclictest6354-21chrt19:57:593
2187099463,32cyclictest11845-21chrt22:26:293
2187099463,32cyclictest11845-21chrt22:26:293
21870994632,9cyclictest451rcuc/322:30:523
2187099457,28cyclictest17274-21chrt22:34:563
2187099454,31cyclictest16508-21taskset20:28:023
2187099454,17cyclictest0-21swapper/323:02:573
2187099453,33cyclictest12853-21taskset00:17:383
2187099453,33cyclictest12853-21taskset00:17:383
2187099453,32cyclictest24947-21chrt23:43:003
2187099453,31cyclictest23670-21taskset19:12:433
2187099453,31cyclictest14264-21chrt23:24:513
2187099453,31cyclictest13794-21taskset20:20:393
2187099453,30cyclictest31430-21taskset21:11:083
2187099453,30cyclictest31430-21taskset21:11:083
2187099453,30cyclictest15067-21taskset21:37:483
2187099453,29cyclictest10839-21chrt21:30:463
21870994532,8cyclictest451rcuc/323:49:383
21870994532,8cyclictest451rcuc/323:49:383
2187099453,27cyclictest8869-21chrt23:17:133
2187099452,32cyclictest6618-21taskset22:17:493
2187099452,31cyclictest30625-21taskset22:03:053
2187099452,29cyclictest22773-21taskset20:47:473
2187099452,28cyclictest20862-21chrt20:42:283
2187099452,28cyclictest20862-21chrt20:42:283
2187099452,27cyclictest8418-21taskset00:08:543
140582450,5sleep30-21swapper/300:18:563
140582450,5sleep30-21swapper/300:18:563
2187099443,31cyclictest29355-21taskset19:28:023
2187099443,31cyclictest29355-21taskset19:28:023
2187099443,31cyclictest14653-21chrt21:37:393
2187099443,30cyclictest6632-21taskset00:07:163
2187099443,30cyclictest32158-21taskset19:37:503
2187099443,30cyclictest25852-21taskset19:17:573
2187099443,30cyclictest25164-21taskset21:53:163
2187099443,30cyclictest18392-21chrt21:42:593
2187099443,30cyclictest18392-21chrt21:42:593
2187099443,29cyclictest27544-21chrt22:52:483
21870994430,9cyclictest451rcuc/321:02:093
21870994429,9cyclictest0-21swapper/323:18:063
21870994429,9cyclictest0-21swapper/323:18:063
2187099442,32cyclictest6982-21taskset21:23:203
2187099433,31cyclictest3147-21taskset19:47:593
2187099433,31cyclictest28661-21taskset19:27:373
2187099433,30cyclictest639-21chrt22:07:523
2187099433,30cyclictest4197-21chrt22:13:073
2187099433,30cyclictest29411-21taskset22:01:433
2187099433,30cyclictest23421-21chrt19:12:393
2187099433,30cyclictest21886-21chrt22:42:593
2187099433,29cyclictest30996-21chrt23:53:013
2187099433,29cyclictest2044-21chrt21:16:193
2187099433,28cyclictest17922-21taskset20:32:523
21870994331,8cyclictest451rcuc/322:47:463
2187099432,31cyclictest19842-21taskset22:38:413
2187099432,31cyclictest18177-21chrt00:25:253
2187099432,30cyclictest4857-21taskset19:53:013
2187099432,30cyclictest24534-21taskset20:52:573
2187099422,31cyclictest21740-21taskset20:43:093
2187099422,31cyclictest21740-21taskset20:43:093
2187099422,30cyclictest1311-21taskset19:42:523
2187099422,29cyclictest10718-21taskset20:12:373
2187099422,29cyclictest10718-21taskset20:12:373
2187099413,28cyclictest27761-21taskset21:02:533
2187099412,29cyclictest12117-21taskset20:15:043
2187099403,27cyclictest30527-21taskset19:32:523
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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