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2026-02-07 - 16:50
[ 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 the 792 highest latencies:
System rackbslot7.osadl.org (updated Sat Feb 07, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20123214811,24sleep10-21swapper/107:03:191
20838991013,72cyclictest8846-21taskset08:07:511
2005329914,62sleep019339-21/usr/sbin/munin07:03:180
20838999556,14cyclictest181rcu_preempt09:31:291
20838999556,14cyclictest181rcu_preempt09:31:291
20838999252,10cyclictest181rcu_preempt08:52:381
20833999267,17cyclictest1874-21sh07:47:340
20833999267,17cyclictest1874-21sh07:47:340
2083399913,65cyclictest8836-21apt-get08:07:590
2083399913,65cyclictest23897-21ssh10:47:570
20838998863,12cyclictest0-21swapper/110:07:371
2083899883,72cyclictest23828-21apt-get10:47:541
20833998767,13cyclictest3899-21latency_hist12:02:370
20833998758,22cyclictest300-21rs:main0
20833998733,10cyclictest181rcu_preempt11:10:090
2085199866,67cyclictest8860-21chrt08:07:593
20845998666,14cyclictest28851-21ssh10:55:092
20838998663,12cyclictest0-21swapper/108:37:381
2083899862,54cyclictest1319-21tune2fs11:57:551
2083899853,42cyclictest27043-21apt-get10:52:511
2018728513,42sleep220272-21unixbench_multi07:03:202
20845998465,14cyclictest20823-21cyclictest11:25:592
20838998465,12cyclictest0-21swapper/112:07:581
20838998462,16cyclictest8609-21apt-key08:07:381
20838998454,8cyclictest181rcu_preempt12:15:251
20838998453,14cyclictest181rcu_preempt10:24:381
20838998453,14cyclictest181rcu_preempt10:24:381
20833998458,10cyclictest181rcu_preempt10:30:000
20838998341,10cyclictest181rcu_preempt09:02:581
20838998341,10cyclictest181rcu_preempt09:02:581
20833998360,16cyclictest1-21systemd08:02:350
20833998360,16cyclictest1-21systemd08:02:350
20833998350,15cyclictest18520-21/usr/sbin/munin08:38:070
20833998341,17cyclictest12087-21apt-get08:17:460
20833998341,17cyclictest12087-21apt-get08:17:460
20838998250,12cyclictest6180-21rm09:23:131
2083399823,62cyclictest30076-21fschecks_count07:34:320
20845998146,26cyclictest18798-21cut08:37:582
20838998160,12cyclictest31442-21cpuspeed07:37:511
20838998152,20cyclictest14235-21ssh10:32:271
20833998161,14cyclictest21236-21systemctl11:37:340
20833998131,8cyclictest181rcu_preempt09:03:110
20833998131,8cyclictest181rcu_preempt09:03:110
20845998059,11cyclictest5867-21kworker/u17:3-rpciod09:27:572
20845998059,11cyclictest5867-21kworker/u17:3-rpciod09:27:572
2084599803,67cyclictest29239-21apt-get07:32:502
2084599803,30cyclictest20739-21ssh12:29:562
20838998063,10cyclictest0-21swapper/109:18:081
20838998038,8cyclictest181rcu_preempt10:33:091
2083899803,51cyclictest30088-21fschecks_count07:34:321
2083899802,49cyclictest579-21ssh11:02:441
20833998058,14cyclictest20823-21cyclictest11:52:380
20833998030,10cyclictest181rcu_preempt12:27:540
20838997956,13cyclictest0-21swapper/108:32:381
20838997945,8cyclictest181rcu_preempt08:58:071
20838997938,19cyclictest0-21swapper/108:02:311
20838997938,19cyclictest0-21swapper/108:02:311
20833997936,11cyclictest181rcu_preempt07:12:530
2084599787,61cyclictest20379-21apt-get08:42:502
20845997858,14cyclictest24392-21fschecks_count10:48:532
20845997855,14cyclictest0-21swapper/212:08:112
20845997851,19cyclictest22042-21ssh12:32:502
20838997853,17cyclictest14375-21processes08:24:051
20838997847,12cyclictest181rcu_preempt08:42:361
20833997858,9cyclictest0-21swapper/012:12:340
20833997845,8cyclictest0-21swapper/009:43:100
20833997839,16cyclictest20823-21cyclictest07:37:560
2083399783,52cyclictest12256-21idleruntime-cro11:22:340
20833997832,19cyclictest32640-21grep10:08:030
20845997761,11cyclictest20823-21cyclictest09:49:152
20845997761,11cyclictest20823-21cyclictest08:23:572
20845997759,12cyclictest200-21systemd-journal11:13:322
20845997759,12cyclictest200-21systemd-journal11:13:322
20845997757,13cyclictest19676-21snmpd09:22:352
20845997757,12cyclictest22662-21mailstats08:48:092
20845997753,18cyclictest28190-21diskmemload09:52:532
20838997758,12cyclictest352-21runrttasks07:57:351
20838997748,9cyclictest181rcu_preempt11:43:461
20838997745,12cyclictest181rcu_preempt09:48:551
20838997730,17cyclictest0-21swapper/112:06:561
20833997762,9cyclictest13318-21ssh12:17:570
20833997752,17cyclictest544-21cron12:27:340
20833997745,23cyclictest26784-21latency_hist09:02:380
20833997740,13cyclictest181rcu_preempt07:48:140
20833997735,8cyclictest181rcu_preempt08:43:080
20845997645,20cyclictest1970-21latency_hist09:17:382
20845997645,20cyclictest1970-21latency_hist09:17:382
20838997662,10cyclictest20823-21cyclictest11:22:591
2083399766,37cyclictest30491-21kernelversion10:58:000
20833997642,8cyclictest181rcu_preempt08:23:500
20833997639,8cyclictest181rcu_preempt11:14:010
20833997639,8cyclictest181rcu_preempt11:14:010
20833997639,16cyclictest58-21kcompactd007:52:530
20833997634,17cyclictest181rcu_preempt10:12:400
20833997634,17cyclictest181rcu_preempt10:12:400
20845997555,13cyclictest20823-21cyclictest09:12:372
20845997552,16cyclictest1-21systemd12:21:382
20838997554,15cyclictest20823-21cyclictest12:28:011
20838997551,8cyclictest181rcu_preempt11:12:511
20838997551,8cyclictest181rcu_preempt11:12:511
20838997551,11cyclictest0-21swapper/107:12:391
20838997546,8cyclictest181rcu_preempt07:42:501
20838997546,8cyclictest181rcu_preempt07:42:501
20838997543,22cyclictest27853-21latency_hist07:27:391
20833997538,8cyclictest181rcu_preempt12:13:000
20845997458,10cyclictest5353-21awk10:17:352
20845997458,10cyclictest5353-21awk10:17:352
20845997456,11cyclictest373-21lldpd07:53:252
20845997417,15cyclictest11379-21latency_hist10:27:372
20845997417,15cyclictest11379-21latency_hist10:27:372
20838997454,7cyclictest181rcu_preempt11:51:081
20838997446,22cyclictest5911-21fschecks_count10:17:571
20838997443,11cyclictest181rcu_preempt12:33:491
20838997442,11cyclictest13537-21kworker/u19:3-writeback09:46:481
20833997441,12cyclictest0-21swapper/010:43:010
20833997440,16cyclictest13537-21kworker/u19:3-rpciod09:48:280
20833997431,11cyclictest181rcu_preempt09:32:380
20833997431,11cyclictest181rcu_preempt09:32:380
20833997430,9cyclictest181rcu_preempt09:32:390
20833997429,9cyclictest181rcu_preempt07:07:510
1982027414,39sleep30-21swapper/307:03:093
20838997355,12cyclictest28496-21/usr/sbin/munin09:08:011
20838997354,9cyclictest0-21swapper/107:12:461
20838997352,12cyclictest0-21swapper/108:22:371
20838997352,12cyclictest0-21swapper/108:22:371
20838997349,11cyclictest181rcu_preempt09:37:381
20838997314,8cyclictest0-21swapper/107:27:491
20833997354,13cyclictest23762-21sh11:41:160
20833997354,13cyclictest23762-21sh11:41:160
20833997342,12cyclictest181rcu_preempt11:29:020
20833997342,12cyclictest181rcu_preempt11:29:020
20833997333,8cyclictest181rcu_preempt11:55:440
20833997333,8cyclictest181rcu_preempt09:23:010
20833997320,41cyclictest26070-21/usr/sbin/munin09:57:530
2084599729,24cyclictest17191-21seq08:32:592
20845997253,12cyclictest6229-21diskmemload09:23:202
20845997253,11cyclictest0-21swapper/211:42:492
20845997251,13cyclictest10254-21ssh12:12:572
20845997245,18cyclictest12839-21threads08:18:072
20845997245,18cyclictest12839-21threads08:18:072
2084599724,38cyclictest352-21runrttasks08:58:532
2084599723,51cyclictest22764-21kworker/u17:2+xprtiod10:07:582
20845997219,14cyclictest0-21swapper/208:07:232
20838997251,13cyclictest5867-21kworker/u17:3-xprtiod09:40:271
20838997251,11cyclictest0-21swapper/111:32:381
20838997251,11cyclictest0-21swapper/111:32:381
20838997250,14cyclictest200-21systemd-journal11:08:381
20838997225,22cyclictest0-21swapper/109:59:371
20833997252,7cyclictest181rcu_preempt07:17:510
20833997246,19cyclictest20823-21cyclictest10:53:190
20833997235,8cyclictest181rcu_preempt08:03:000
20833997233,8cyclictest181rcu_preempt10:22:360
2083399723,35cyclictest14070-21/usr/sbin/munin09:38:010
20833997217,20cyclictest28496-21/usr/sbin/munin09:08:140
20845997155,11cyclictest20823-21cyclictest11:02:342
20845997138,12cyclictest181rcu_preempt09:43:112
20838997154,8cyclictest0-21swapper/109:53:351
20838997154,11cyclictest18392-21diskmemload10:38:091
20838997153,9cyclictest0-21swapper/108:57:371
20838997153,9cyclictest0-21swapper/108:57:371
20838997147,14cyclictest0-21swapper/110:17:381
20838997147,14cyclictest0-21swapper/110:17:381
20833997156,10cyclictest30080-21unixbench_multi10:03:100
20833997140,14cyclictest25767-21kworker/u19:0-writeback08:53:000
20833997140,14cyclictest25767-21kworker/u19:0-writeback08:53:000
20845997055,11cyclictest20823-21cyclictest12:26:212
20845997048,15cyclictest20823-21cyclictest10:47:282
20845997046,14cyclictest0-21swapper/211:38:062
20845997046,14cyclictest0-21swapper/211:38:062
2084599704,47cyclictest30460-21latency_hist11:52:382
2084599704,44cyclictest6834-21cat12:07:372
20838997055,10cyclictest23280-21apt-get10:47:361
20838997054,10cyclictest14320-21kworker/u17:3-rpciod12:23:001
20833997037,9cyclictest1182-21ntpq11:03:030
20833997032,8cyclictest181rcu_preempt09:17:500
2083399703,24cyclictest29381-21grep07:32:370
20833997031,10cyclictest181rcu_preempt07:22:530
20833997025,18cyclictest10111-21kworker/u17:1+xprtiod10:37:490
2084599699,25cyclictest12250-21ssh10:28:052
20845996946,13cyclictest0-21swapper/209:38:092
2084599694,44cyclictest27766-21latency_hist07:27:382
20845996939,21cyclictest32584-21sh11:55:532
2084599693,45cyclictest22353-21latency_hist07:12:382
2084599693,22cyclictest3589-21ssh11:07:462
20845996913,23cyclictest0-21swapper/210:34:232
20838996950,10cyclictest0-21swapper/108:17:371
20838996950,10cyclictest0-21swapper/108:17:371
20838996944,17cyclictest1-21systemd11:53:091
20838996931,9cyclictest181rcu_preempt11:32:581
2083899692,34cyclictest32080-21apt-get10:07:461
2083399694,46cyclictest14638-21ssh10:32:500
20833996941,20cyclictest4183-21ls12:02:510
20833996939,10cyclictest181rcu_preempt11:47:340
20833996936,8cyclictest181rcu_preempt10:24:590
20833996936,8cyclictest181rcu_preempt10:24:590
20833996932,8cyclictest181rcu_preempt11:22:590
20833996929,13cyclictest181rcu_preempt08:27:560
20845996845,13cyclictest0-21swapper/211:32:562
2084599684,48cyclictest23231-21fschecks_count07:12:592
20845996844,15cyclictest3958-21latency_hist12:02:382
2084599684,40cyclictest23853-21fschecks_time08:52:572
2084599684,40cyclictest23853-21fschecks_time08:52:572
2084599683,42cyclictest11323-21fschecks_count09:32:582
2084599683,37cyclictest6911-21latency_hist08:02:382
2084599683,37cyclictest6911-21latency_hist08:02:382
20838996827,9cyclictest181rcu_preempt08:42:581
20838996827,12cyclictest181rcu_preempt10:58:081
2083399684,35cyclictest31778-21tune2fs09:12:570
2083399684,35cyclictest31778-21tune2fs09:12:570
20833996834,7cyclictest181rcu_preempt12:34:210
2083399682,35cyclictest23350-21fschecks_time09:52:580
20845996746,14cyclictest0-21swapper/210:02:552
20845996746,12cyclictest0-21swapper/210:18:012
2084599674,53cyclictest8332-21apt-get08:07:482
20845996745,15cyclictest11776-21cron08:17:342
20845996745,15cyclictest11776-21cron08:17:342
2084599674,41cyclictest2909-21timerandwakeup07:48:112
20845996744,13cyclictest0-21swapper/209:03:022
20845996744,13cyclictest0-21swapper/209:03:022
2084599674,22cyclictest0-21swapper/208:28:092
2084599673,42cyclictest3436-21latency_hist11:07:372
20838996746,13cyclictest32378-21timerandwakeup09:13:111
20838996746,13cyclictest32378-21timerandwakeup09:13:111
20838996742,8cyclictest181rcu_preempt11:22:371
20833996731,8cyclictest181rcu_preempt08:47:570
2084599664,23cyclictest12350-21latency_hist11:22:362
2084599663,46cyclictest1473-21grep07:43:122
2084599663,46cyclictest1473-21grep07:43:122
2084599663,45cyclictest20282-21latency_hist10:42:382
20838996641,17cyclictest0-21swapper/112:22:361
20838996633,11cyclictest181rcu_preempt07:47:581
20845996547,13cyclictest14885-21kworker/u18:0+events_unbound11:32:342
20845996547,13cyclictest14885-21kworker/u18:0+events_unbound11:32:342
2084599652,45cyclictest27885-21/usr/sbin/munin07:27:452
20838996544,11cyclictest0-21swapper/107:17:511
20845996448,11cyclictest28983-21kworker/u17:1+flush-179:007:37:452
20845996441,15cyclictest0-21swapper/209:58:092
20845996438,13cyclictest0-21swapper/207:22:382
20838996441,7cyclictest181rcu_preempt11:39:561
20838996441,7cyclictest181rcu_preempt11:39:561
20833996433,8cyclictest181rcu_preempt08:17:380
2083399634,38cyclictest10427-21/usr/sbin/munin08:13:130
20851995831,20cyclictest0-21swapper/310:48:013
2085199544,33cyclictest32750-21chrt10:08:073
2085199533,41cyclictest24289-21chrt12:36:323
2085199533,37cyclictest1620-21chrt11:03:113
2085199532,39cyclictest7232-21chrt08:02:573
2085199524,31cyclictest8567-21chrt10:22:383
2085199523,37cyclictest9983-21chrt11:17:583
2085199523,36cyclictest24428-21chrt11:42:383
2085199523,36cyclictest24428-21chrt11:42:383
2085199523,34cyclictest15289-21chrt09:38:293
2085199519,29cyclictest0-21swapper/307:34:323
2085199513,39cyclictest32200-21taskset09:13:083
2085199513,39cyclictest32200-21taskset09:13:083
2085199513,36cyclictest1744-21chrt11:58:063
2085199513,34cyclictest11847-21chrt08:17:353
2085199513,34cyclictest11847-21chrt08:17:353
2085199513,31cyclictest22172-21chrt08:47:573
2085199513,31cyclictest13067-21chrt12:17:473
2085199512,37cyclictest31154-21chrt09:12:313
2085199512,36cyclictest960-21taskset11:57:373
2085199512,34cyclictest4319-21chrt12:02:563
2085199503,33cyclictest21782-21chrt07:08:093
2085199502,35cyclictest9827-21chrt12:12:373
2085199502,35cyclictest29981-21chrt10:03:093
2085199502,35cyclictest24992-21chrt09:55:313
2085199502,35cyclictest16574-21taskset12:23:023
2085199493,37cyclictest21224-21chrt10:43:053
2085199493,36cyclictest27179-21taskset10:53:063
2085199493,36cyclictest11320-21taskset09:32:583
2085199492,35cyclictest26527-21chrt11:45:383
2085199492,32cyclictest10315-21chrt12:12:573
2085199483,35cyclictest3522-21chrt09:19:083
2085199483,35cyclictest25686-21chrt08:58:013
2085199483,34cyclictest28925-21chrt11:48:583
2085199483,33cyclictest21366-21chrt09:48:423
2085199483,31cyclictest18525-21chrt11:32:453
2085199482,35cyclictest27298-21chrt09:58:313
2085199473,34cyclictest20982-21chrt12:30:363
2085199473,31cyclictest3565-21chrt11:07:453
2085199473,31cyclictest17651-21chrt08:33:103
2085199463,33cyclictest11144-21taskset10:27:083
2085199463,33cyclictest11144-21taskset10:27:083
2085199463,33cyclictest10850-21chrt09:32:373
2085199463,33cyclictest10850-21chrt09:32:373
2085199463,30cyclictest12095-21taskset08:17:473
2085199463,30cyclictest12095-21taskset08:17:473
2085199462,32cyclictest23237-21chrt07:12:593
2085199454,29cyclictest26298-21taskset07:22:473
2085199453,31cyclictest27392-21taskset09:03:073
2085199453,31cyclictest27392-21taskset09:03:073
2085199453,29cyclictest31385-21chrt07:37:463
2085199452,34cyclictest11973-21chrt10:27:573
2085199452,30cyclictest8985-21chrt11:16:523
2085199452,30cyclictest8985-21chrt11:16:523
2085199444,30cyclictest5936-21taskset09:23:093
2085199443,32cyclictest30544-21taskset10:58:003
2085199443,28cyclictest20357-21taskset08:42:423
2085199435,22cyclictest19691-21chrt08:40:193
2085199424,27cyclictest16268-21taskset10:34:463
2085199424,25cyclictest16793-21chrt08:32:383
2085199423,30cyclictest17548-21taskset11:30:423
2085199423,30cyclictest17548-21taskset11:30:423
2085199423,28cyclictest2151-21taskset07:47:503
2085199422,26cyclictest29700-21taskset07:32:393
2085199413,29cyclictest24749-21taskset08:55:143
2085199413,29cyclictest24749-21taskset08:55:143
2085199413,28cyclictest14263-21taskset11:24:513
2085199413,26cyclictest24666-21taskset07:17:413
2085199413,24cyclictest882-21chrt07:43:003
2085199413,24cyclictest882-21chrt07:43:003
2085199412,30cyclictest17276-21chrt09:42:553
2085199403,28cyclictest14977-21taskset08:27:033
2085199403,26cyclictest2648-21chrt10:12:493
2085199403,26cyclictest2648-21chrt10:12:493
2085199402,26cyclictest17572-21chrt10:37:423
2085199393,25cyclictest6794-21chrt08:02:363
2085199393,25cyclictest6794-21chrt08:02:363
2085199392,27cyclictest4979-21taskset07:56:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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