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2026-01-26 - 12:51
[ 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
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rackbslot7.osadl.org (updated Mon Jan 26, 2026 00:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
285621197,16sleep00-21swapper/019:07:230
285621197,16sleep00-21swapper/019:07:230
3061991184,44cyclictest22113-21cat20:03:520
3061991173,101cyclictest22220-21apt-get21:28:390
3061991089,37cyclictest16840-21apt-get19:48:400
3061991089,37cyclictest16840-21apt-get19:48:400
291421067,16sleep10-21swapper/119:08:091
291421067,16sleep10-21swapper/119:08:091
306199973,74cyclictest3202-21ssh22:43:590
306199973,74cyclictest3202-21ssh22:43:590
306499963,62cyclictest0-21swapper/322:43:433
306499963,62cyclictest0-21swapper/322:43:433
3063999571,18cyclictest25591-21latency_hist21:33:272
293129512,51sleep30-21swapper/319:08:243
293129512,51sleep30-21swapper/319:08:243
3061999462,12cyclictest181rcu_preempt22:23:370
3061999462,12cyclictest181rcu_preempt22:23:370
306199924,44cyclictest25755-21ssh21:33:340
3062999164,21cyclictest31544-21unixbench_multi00:24:021
3061999164,19cyclictest2176-21apt-key20:43:280
3063998871,10cyclictest0-21swapper/222:43:422
3063998871,10cyclictest0-21swapper/222:43:422
3062998862,18cyclictest3114-21ssh21:48:591
3062998862,18cyclictest3114-21ssh21:48:591
3061998871,12cyclictest3059-21cyclictest19:14:020
3061998555,20cyclictest3905-21latency_hist20:48:270
3061998528,43cyclictest11345-21diskmemload22:03:400
3061998451,13cyclictest181rcu_preempt20:53:370
3061998421,17cyclictest181rcu_preempt00:23:260
3063998362,15cyclictest11600-21fschecks_time22:03:472
3063998356,19cyclictest1-21systemd22:43:252
306299834,59cyclictest3056-21apt-get22:43:421
306299834,59cyclictest3056-21apt-get22:43:421
3061998354,10cyclictest181rcu_preempt19:58:380
3063998266,12cyclictest3059-21cyclictest00:29:012
306299827,55cyclictest26124-21kworker/u17:1+ext4-rsv-conversion20:43:451
3061998249,25cyclictest9366-21latency_hist23:48:270
3061998249,25cyclictest9366-21latency_hist23:48:270
306199824,38cyclictest15514-21latency_hist23:58:270
306199824,38cyclictest15514-21latency_hist23:58:270
3061998241,33cyclictest0-21swapper/022:50:550
306499814,41cyclictest9538-21taskset22:53:503
3062998139,11cyclictest8291-21grep19:23:241
3063998056,14cyclictest6433-21latency_hist23:43:262
3063998040,31cyclictest8798-21cat21:03:272
306399802,68cyclictest16339-21apt-get19:48:382
306399802,68cyclictest16339-21apt-get19:48:382
3062998042,28cyclictest1839-21kworker/u18:1+nfsiod21:17:551
3061998060,11cyclictest0-21swapper/022:38:360
3061998056,14cyclictest26890-21ssh23:23:270
3061998056,14cyclictest26890-21ssh23:23:270
3061998031,36cyclictest27235-21cron00:18:230
3063997964,9cyclictest4551-21netstat00:33:532
3063997964,9cyclictest4551-21netstat00:33:532
3062997954,17cyclictest24488-21sh21:30:451
3062997953,17cyclictest10216-21diskmemload21:23:251
3062997953,17cyclictest10216-21diskmemload21:23:251
3061997942,13cyclictest181rcu_preempt20:28:400
3061997942,13cyclictest181rcu_preempt20:28:400
306199793,39cyclictest20332-21ssh22:18:400
3061997932,18cyclictest19676-21snmpd23:58:540
306499783,49cyclictest24362sleep320:44:043
3063997860,13cyclictest3059-21cyclictest00:07:272
3063997857,14cyclictest21578-21diskmemload00:08:342
3063997853,19cyclictest8407-21latency_hist19:23:272
3062997850,18cyclictest0-21swapper/100:33:271
3061997858,13cyclictest17642-21kworker/u17:3+rpciod00:08:460
3061997853,17cyclictest31485-21ssh21:43:250
3063997755,17cyclictest352-21runrttasks23:47:442
3063997755,17cyclictest352-21runrttasks23:47:442
3063997750,21cyclictest28630-21netstat20:23:552
3063997750,21cyclictest28630-21netstat20:23:552
3062997715,25cyclictest6542-21ssh21:54:261
306199778,36cyclictest17024-21/usr/sbin/munin21:18:510
306199778,36cyclictest17024-21/usr/sbin/munin21:18:510
306199774,39cyclictest702-21latency_hist00:28:260
306199773,61cyclictest14564-21tail21:14:010
3063997652,18cyclictest9792-21sh23:48:452
3063997652,18cyclictest9792-21sh23:48:452
3062997651,15cyclictest722-21fschecks_count20:38:451
3062997647,20cyclictest544-21cron20:58:241
3062997637,9cyclictest22348-21kworker/u17:1-xprtiod22:03:351
3061997653,16cyclictest9435-21ssh22:53:480
306199764,41cyclictest18008-21/usr/sbin/munin23:08:490
306199764,41cyclictest18008-21/usr/sbin/munin23:08:490
3062997558,10cyclictest23178-21latency_hist22:23:271
3062997524,20cyclictest10117-21seq21:07:291
3062997517,20cyclictest11112-21cut22:03:271
3062997517,20cyclictest11112-21cut22:03:271
3061997553,15cyclictest16061-21ssh22:10:520
3061997548,8cyclictest181rcu_preempt20:13:380
306199754,56cyclictest8300-21/usr/sbin/munin21:58:590
306199754,56cyclictest8300-21/usr/sbin/munin21:58:590
306199753,26cyclictest5605-21uniq21:53:460
3061997515,13cyclictest15-21ksoftirqd/023:38:380
3063997455,14cyclictest3059-21cyclictest00:22:362
3063997455,13cyclictest298-21in:imuxsock19:43:252
306399744,25cyclictest8731-21fschecks_count19:23:462
3063997440,26cyclictest4413-21sshd21:51:512
3063997440,26cyclictest4413-21sshd21:51:512
306399742,31cyclictest16443-21latency_hist21:18:272
3062997449,17cyclictest27898-21threads23:23:591
3061997453,14cyclictest3059-21cyclictest20:13:080
306199744,33cyclictest30686-21/usr/sbin/munin23:28:570
306499733,29cyclictest1575-21chrt00:28:523
3063997349,17cyclictest0-21swapper/200:24:012
3063997324,36cyclictest393-21latency_hist20:38:262
3061997344,9cyclictest181rcu_preempt20:48:350
306199733,56cyclictest2203-21latency_hist21:48:280
306199733,36cyclictest9760-21forks23:48:440
306199733,36cyclictest9760-21forks23:48:440
220527311,38sleep22266-21grep19:04:072
220527311,38sleep22266-21grep19:04:072
3063997249,14cyclictest0-21swapper/220:44:422
306199725,35cyclictest8729-21fschecks_count19:23:460
306199724,53cyclictest21223-21ssh23:13:440
3061997241,10cyclictest0-21swapper/022:13:370
306199723,40cyclictest3989-21/usr/sbin/munin00:33:580
306199723,40cyclictest3989-21/usr/sbin/munin00:33:580
306199723,37cyclictest875-21fschecks_time23:33:470
306199723,37cyclictest875-21fschecks_time23:33:470
306499713,31cyclictest596-21chrt23:33:413
306499713,31cyclictest596-21chrt23:33:413
306499713,27cyclictest20623-21chrt21:24:023
306499712,30cyclictest9225-21chrt19:23:583
3063997147,17cyclictest0-21swapper/221:23:502
3062997153,12cyclictest22317-21apt-key21:28:251
3062997151,14cyclictest12336-21rm22:58:471
3062997150,14cyclictest200-21systemd-journal21:42:511
306299714,46cyclictest32081-21fschecks_time21:43:471
3062997143,20cyclictest17704-21modprobe23:08:231
3062997134,18cyclictest2648-21rm23:36:471
3062997134,18cyclictest2648-21rm23:36:471
306199715,35cyclictest10310-21latency_hist21:08:270
306199714,34cyclictest18623-21fschecks_count19:53:450
3061997142,9cyclictest181rcu_preempt21:23:400
3061997139,12cyclictest181rcu_preempt23:23:350
306199713,35cyclictest14983-21/usr/sbin/munin19:43:510
3061997115,13cyclictest15360-21chrt23:03:470
306499704,29cyclictest15498-21chrt23:03:503
306499702,27cyclictest5308-21chrt19:13:373
306399705,47cyclictest12484-21kernelversion22:58:502
3063997052,10cyclictest0-21swapper/219:33:252
3063997041,20cyclictest1-21systemd20:13:252
3063997036,10cyclictest30590-21ssh22:34:382
3063997032,13cyclictest181rcu_preempt23:13:462
3063997027,31cyclictest31277-21latency_hist20:33:272
3063997027,31cyclictest31277-21latency_hist20:33:272
3063997027,30cyclictest28052-21cat20:23:282
3062997054,10cyclictest24196-21ssh23:18:421
3062997054,10cyclictest24196-21ssh23:18:421
3062997046,17cyclictest21515-21latency_hist20:03:261
3062997042,22cyclictest17913-21kworker/u18:0+nfsiod23:16:371
306299703,48cyclictest15309-40mandb23:58:271
306299703,48cyclictest15309-40mandb23:58:271
3062997022,35cyclictest27041-21mailstats22:28:571
3061997052,13cyclictest3059-21cyclictest21:12:270
3061997048,13cyclictest21413-21ssh00:08:270
306199703,36cyclictest27907-21idleruntime-cro20:23:250
3063996955,8cyclictest32403-21sh21:43:562
3063996949,13cyclictest0-21swapper/222:53:562
3063996943,16cyclictest0-21swapper/223:13:282
3063996943,16cyclictest0-21swapper/223:13:282
306399693,54cyclictest28768-21ssh21:38:352
306399693,47cyclictest17797-21ssh23:08:262
306399693,44cyclictest20329-21fschecks_time19:58:442
3063996931,23cyclictest39-21ksoftirqd/223:55:522
3063996931,23cyclictest39-21ksoftirqd/223:55:522
3063996918,31cyclictest39-21ksoftirqd/221:11:372
3062996951,11cyclictest0-21swapper/123:43:491
3062996951,11cyclictest0-21swapper/123:43:491
3062996919,37cyclictest0-21swapper/120:48:351
306199693,34cyclictest2650-21idleruntime21:48:480
306199693,34cyclictest2650-21idleruntime21:48:480
306499683,26cyclictest4021-21chrt00:33:383
306499683,26cyclictest4021-21chrt00:33:383
306499682,32cyclictest28450-21taskset21:38:243
306399683,41cyclictest9142-21tune2fs21:03:492
3063996831,22cyclictest39-21ksoftirqd/222:10:522
306399682,34cyclictest15840-21timerwakeupswit19:44:002
3062996852,9cyclictest0-21swapper/100:13:441
3062996849,13cyclictest6836-21latency_hist19:18:271
306299683,41cyclictest19977-21latency_hist19:58:271
3062996833,13cyclictest181rcu_preempt22:48:451
306199684,49cyclictest26261-21/usr/sbin/munin22:29:010
306499673,27cyclictest28961-21chrt23:26:193
306499673,26cyclictest21917-21chrt00:08:463
3063996745,13cyclictest0-21swapper/220:03:522
306399673,31cyclictest13204-21latency_hist19:38:272
3063996723,29cyclictest39-21ksoftirqd/223:18:562
3063996723,29cyclictest39-21ksoftirqd/223:18:562
3063996723,12cyclictest0-21swapper/221:59:022
3063996723,12cyclictest0-21swapper/221:59:022
306299674,41cyclictest21869-21fschecks_time00:08:451
3062996733,26cyclictest27881-21modprobe20:23:241
3061996746,15cyclictest11579-21latency_hist19:33:270
3061996742,16cyclictest29480-21ssh22:33:460
3061996712,10cyclictest0-21swapper/020:23:400
3061996712,10cyclictest0-21swapper/020:23:400
306499663,25cyclictest32091-21chrt21:43:473
3063996644,15cyclictest0-21swapper/222:48:512
3063996639,19cyclictest1887-21latency_hist20:43:272
306399663,39cyclictest7149-21latency_hist20:58:272
306399663,21cyclictest28442-21latency_hist21:38:242
306399662,31cyclictest24790-21fschecks_count00:13:442
306399662,22cyclictest827-21grep23:33:462
306399662,22cyclictest827-21grep23:33:462
3063996616,35cyclictest39-21ksoftirqd/219:14:002
3062996645,16cyclictest10011-21latency_hist19:28:271
306299664,35cyclictest352-21runrttasks19:37:451
3062996643,13cyclictest0-21swapper/123:29:021
306299663,46cyclictest4354-21idleruntime00:33:491
306299663,46cyclictest4354-21idleruntime00:33:491
306299663,43cyclictest12329-21latency_hist23:53:251
306299663,43cyclictest12329-21latency_hist23:53:251
306299662,36cyclictest10543-21latency19:28:501
3062996623,34cyclictest15626-21ssh23:58:371
306199664,35cyclictest352-21runrttasks19:34:290
306199664,28cyclictest352-21runrttasks00:30:550
306199663,43cyclictest7952-21switchtime20:58:570
306499653,30cyclictest13551-21taskset19:38:443
3063996548,11cyclictest365-21ntpd22:28:512
3063996530,19cyclictest39-21ksoftirqd/221:21:492
3063996530,19cyclictest39-21ksoftirqd/221:21:492
306399652,28cyclictest39-21ksoftirqd/223:26:412
306399652,25cyclictest39-21ksoftirqd/223:59:012
3062996545,14cyclictest16341-21latency_hist19:48:271
306299654,46cyclictest26817-21unixbench_singl21:33:591
3062996539,15cyclictest18282-21fschecks_count23:08:451
3062996539,15cyclictest18282-21fschecks_count23:08:451
3062996537,21cyclictest0-21swapper/123:38:511
306299653,45cyclictest30018-21fschecks_time20:28:471
306299653,45cyclictest30018-21fschecks_time20:28:471
306299653,43cyclictest28423-21fschecks_time20:23:501
306299653,43cyclictest28423-21fschecks_time20:23:501
306299653,41cyclictest11707-21latency_hist22:58:261
306299652,46cyclictest23553-21fschecks_time20:08:471
3062996518,41cyclictest0-21swapper/120:13:381
3061996534,10cyclictest181rcu_preempt20:33:380
3061996522,31cyclictest14017-21sendmail_mailqu19:38:580
306499643,28cyclictest28881-21chrt21:38:413
306499643,26cyclictest28456-21chrt00:18:593
306499643,26cyclictest10547-21taskset21:08:383
306499643,22cyclictest18044-21chrt23:08:363
306499643,22cyclictest18044-21chrt23:08:363
306499643,21cyclictest17504-21chrt00:01:163
306399644,39cyclictest6256-21cat21:53:592
306399643,39cyclictest18645-21fschecks_count19:53:452
3063996427,25cyclictest3821-21ntp_kernel_pll_19:09:232
3063996427,25cyclictest3821-21ntp_kernel_pll_19:09:232
306399642,43cyclictest30372-21idleruntime23:28:482
306299644,42cyclictest352-21runrttasks19:40:561
306299643,41cyclictest8757-21latency_hist21:03:271
306299642,47cyclictest16967-21idleruntime-cro22:13:241
306199643,45cyclictest8281-21modprobe19:23:240
306499634,31cyclictest14496-21chrt21:14:013
306499633,44cyclictest23765-21taskset22:23:513
306499633,44cyclictest23765-21taskset22:23:513
306499633,23cyclictest31040-21chrt22:35:543
306499632,27cyclictest24805-21chrt00:13:443
306499632,22cyclictest11350-21chrt22:03:413
3064996321,36cyclictest54962sleep321:53:453
3064996312,42cyclictest0-21swapper/320:08:463
306399633,41cyclictest20281-21/usr/sbin/munin22:18:592
306399633,31cyclictest4180-21fschecks_count20:48:442
3063996313,40cyclictest17833-21ssh22:13:532
3062996349,9cyclictest30269-21latency_hist00:23:251
306299633,32cyclictest825-21unixbench_multi22:38:591
3062996318,34cyclictest17324-21needreboot19:49:091
3062996318,34cyclictest17324-21needreboot19:49:091
306499623,37cyclictest23062-21taskset20:08:253
306499623,21cyclictest1540-21chrt20:39:023
306499623,20cyclictest11893-21chrt19:33:423
3063996240,15cyclictest3059-21cyclictest20:14:002
3063996233,9cyclictest181rcu_preempt22:26:432
3063996233,9cyclictest181rcu_preempt22:26:432
3062996242,14cyclictest29403-21cstates22:33:431
306299623,35cyclictest0-21swapper/120:03:491
3061996236,14cyclictest0-21swapper/022:58:470
306499613,41cyclictest25591-21chrt23:20:163
306499613,41cyclictest25591-21chrt23:20:163
306499613,40cyclictest2506-21taskset22:43:243
306499613,23cyclictest10482-21chrt22:01:593
306499613,23cyclictest10482-21chrt22:01:593
306499613,21cyclictest20131-21chrt00:05:133
306499613,21cyclictest16019-21chrt22:10:463
306499612,22cyclictest20309-21chrt22:18:363
306499612,21cyclictest20227-21chrt19:58:413
306299613,42cyclictest31350-21/usr/sbin/munin20:33:541
306299613,40cyclictest18939-21ls00:03:471
306299612,38cyclictest17689-21grep22:13:501
3062996121,36cyclictest0-21swapper/121:08:391
3061996140,11cyclictest0-21swapper/019:09:110
3061996140,11cyclictest0-21swapper/019:09:110
306499606,11cyclictest0-21swapper/319:43:403
306499604,19cyclictest29924-21chrt20:28:463
306499604,19cyclictest29924-21chrt20:28:463
306499603,21cyclictest31648-21chrt20:33:483
306499603,21cyclictest22734-21chrt21:28:323
306499603,19cyclictest2712-21chrt21:48:503
306499603,19cyclictest2712-21chrt21:48:503
306499603,18cyclictest12674-21chrt22:58:563
306499602,24cyclictest7695-21chrt20:58:503
306499602,23cyclictest5118-21chrt20:50:363
306499602,23cyclictest27387-21chrt22:29:013
306499602,22cyclictest6198-21chrt20:53:563
306499602,22cyclictest4476-21chrt19:11:513
306499602,22cyclictest4476-21chrt19:11:513
306499602,21cyclictest8227-21chrt22:52:033
306499602,19cyclictest32363-21taskset00:26:083
306299603,36cyclictest352-21runrttasks19:11:071
306299603,36cyclictest352-21runrttasks19:11:071
306499594,11cyclictest0-21swapper/323:28:593
306499593,20cyclictest9887-21chrt21:04:293
306499593,20cyclictest8766-21chrt23:47:063
306499593,20cyclictest8766-21chrt23:47:063
306499593,20cyclictest29386-21chrt20:27:083
306499593,20cyclictest29386-21chrt20:27:083
306499593,19cyclictest4777-21chrt23:39:163
306499593,19cyclictest17407-21chrt19:49:133
306499593,19cyclictest17407-21chrt19:49:133
306499592,24cyclictest17064-21chrt21:18:513
306499592,24cyclictest17064-21chrt21:18:513
306499592,24cyclictest15006-21taskset23:57:443
306499592,24cyclictest15006-21taskset23:57:443
306499592,23cyclictest24885-21taskset20:13:313
306499592,22cyclictest8027-21chrt19:20:143
306499592,20cyclictest27678-21chrt20:20:483
306499592,20cyclictest10727-21chrt23:49:133
306499592,20cyclictest10727-21chrt23:49:133
3062995912,36cyclictest26026-21cat22:28:261
3062995912,36cyclictest26026-21cat22:28:261
306499584,19cyclictest11172-21chrt19:29:213
306499583,38cyclictest21025-21chrt23:13:353
306499583,20cyclictest19655-21chrt19:56:513
306499574,12cyclictest0-21swapper/322:13:463
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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