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2026-02-21 - 19:00
[ 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 highest latencies:
System rackbslot7.osadl.org (updated Sat Feb 21, 2026 12:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1745221315,92sleep117530-21fschecks_time07:02:081
187299911950,61cyclictest0-21swapper/209:21:532
1704921190,7sleep10-21swapper/111:35:121
1788921128,78sleep00-21swapper/007:02:240
18729991076,70cyclictest12005-21apt-get11:26:592
18729991076,70cyclictest12005-21apt-get11:26:592
187299910240,10cyclictest0-21swapper/211:02:362
18725991022,65cyclictest31-21ksoftirqd/108:21:541
187299910047,46cyclictest0-21swapper/209:57:012
18720991004,38cyclictest2784-21apt-get10:16:520
1872999993,45cyclictest28645-21head07:32:152
18729999742,15cyclictest18709-21cyclictest07:13:102
18729999742,15cyclictest18709-21cyclictest07:13:102
18729999641,13cyclictest25907-21diskmemload10:28:582
18729999618,31cyclictest3336-21cpu07:56:552
18729999618,31cyclictest3336-21cpu07:56:552
1872999943,41cyclictest27553-21switchtime11:52:152
1872999943,41cyclictest27553-21switchtime11:52:152
1872999943,39cyclictest17169-21latency_hist09:46:422
1872999943,39cyclictest17169-21latency_hist09:46:422
18729999433,18cyclictest9199-21fschecks_count12:16:592
1872999923,47cyclictest27957-21grep10:58:062
1872999923,47cyclictest27957-21grep10:58:062
1872999914,60cyclictest26407-21apt-get10:01:562
18720999072,10cyclictest17565-21idleruntime-cro11:36:380
1872099902,49cyclictest15-21ksoftirqd/012:27:470
1872599892,56cyclictest31-21ksoftirqd/108:46:521
1872599892,56cyclictest31-21ksoftirqd/108:46:521
18725998755,13cyclictest181rcu_preempt10:55:351
1872099862,52cyclictest15-21ksoftirqd/011:17:120
18729998563,16cyclictest18878-21unixbench_singl12:32:182
18720998462,16cyclictest7985-21apt-key08:11:410
18720998462,16cyclictest7985-21apt-key08:11:410
1872099843,44cyclictest15-21ksoftirqd/012:04:210
1872099843,44cyclictest15-21ksoftirqd/012:04:210
1872099843,38cyclictest15-21ksoftirqd/011:28:050
1872099843,38cyclictest15-21ksoftirqd/011:28:050
18720998425,10cyclictest0-21swapper/012:21:540
1872099833,49cyclictest15-21ksoftirqd/009:17:110
18720998314,40cyclictest15-21ksoftirqd/010:12:080
18725998252,8cyclictest181rcu_preempt10:28:301
18725998251,12cyclictest181rcu_preempt07:51:421
1872099824,53cyclictest15-21ksoftirqd/009:40:390
1872099824,53cyclictest15-21ksoftirqd/009:40:390
1872099824,52cyclictest15-21ksoftirqd/008:37:500
1872099824,52cyclictest15-21ksoftirqd/008:37:500
1872099824,43cyclictest15-21ksoftirqd/011:14:480
1872999818,31cyclictest22846-21acpi07:16:502
18725998136,17cyclictest181rcu_preempt11:54:551
18725998136,17cyclictest181rcu_preempt11:54:551
1872099817,39cyclictest15-21ksoftirqd/011:51:480
1872099817,39cyclictest15-21ksoftirqd/011:51:480
18720998120,40cyclictest15-21ksoftirqd/010:03:030
18729998048,11cyclictest181rcu_preempt09:12:082
1872599803,56cyclictest26407-21apt-get10:01:581
18720998057,17cyclictest22562-21idleruntime-cro07:16:400
18720998057,17cyclictest22562-21idleruntime-cro07:16:400
1872099805,53cyclictest15-21ksoftirqd/010:26:090
1872099805,53cyclictest15-21ksoftirqd/010:26:090
18729997948,11cyclictest181rcu_preempt10:06:522
18725997949,7cyclictest181rcu_preempt10:21:441
18725997949,7cyclictest181rcu_preempt10:21:441
18725997949,11cyclictest181rcu_preempt11:03:171
18725997946,7cyclictest181rcu_preempt09:26:511
18725997945,8cyclictest181rcu_preempt12:11:561
18725997945,8cyclictest181rcu_preempt12:11:561
1872099793,40cyclictest15-21ksoftirqd/007:32:020
1872099792,40cyclictest15-21ksoftirqd/010:31:350
18729997859,11cyclictest18709-21cyclictest08:57:022
18725997846,8cyclictest181rcu_preempt07:21:541
18725997842,8cyclictest181rcu_preempt10:46:131
18725997835,15cyclictest181rcu_preempt11:41:041
18725997835,15cyclictest181rcu_preempt11:41:041
1872099787,35cyclictest15-21ksoftirqd/011:50:220
18720997861,11cyclictest277-21dbus-daemon10:51:400
18720997853,8cyclictest181rcu_preempt09:27:060
1872099784,43cyclictest15-21ksoftirqd/009:26:350
1872099783,40cyclictest15-21ksoftirqd/011:26:190
18729997753,18cyclictest16847-21runrttasks10:40:422
18729997744,15cyclictest181rcu_preempt08:47:182
18729997744,15cyclictest181rcu_preempt08:47:182
18729997744,10cyclictest0-21swapper/210:51:202
18729997732,20cyclictest21619-21ssh11:42:132
18729997725,28cyclictest24095-21fschecks_time11:47:012
1872999772,37cyclictest14238-21latency_hist09:41:422
1872999772,37cyclictest14238-21latency_hist09:41:422
18725997751,8cyclictest181rcu_preempt11:24:211
18725997738,11cyclictest181rcu_preempt09:19:181
18725997730,34cyclictest12395-21fschecks_time11:27:151
18725997730,34cyclictest12395-21fschecks_time11:27:151
18720997759,12cyclictest316-21fschecks_time11:07:010
1872099773,42cyclictest15-21ksoftirqd/008:56:420
1872099773,41cyclictest15-21ksoftirqd/008:03:390
1872099772,53cyclictest15-21ksoftirqd/009:43:480
1872099772,53cyclictest15-21ksoftirqd/009:43:480
1872099772,52cyclictest15-21ksoftirqd/008:42:090
1872099772,52cyclictest15-21ksoftirqd/008:42:090
18720997711,46cyclictest15-21ksoftirqd/010:52:070
18729997644,9cyclictest181rcu_preempt09:17:082
18725997644,10cyclictest181rcu_preempt12:29:301
18725997643,8cyclictest181rcu_preempt12:00:261
1872099768,35cyclictest15-21ksoftirqd/007:22:330
1872099765,28cyclictest15-21ksoftirqd/009:01:570
1872099765,28cyclictest15-21ksoftirqd/009:01:570
1872099764,37cyclictest15-21ksoftirqd/009:31:470
1872099763,36cyclictest15-21ksoftirqd/009:09:120
1872099762,46cyclictest15-21ksoftirqd/008:28:310
1872099762,45cyclictest15-21ksoftirqd/012:36:260
1872999756,21cyclictest6989-21grep11:17:172
18729997550,17cyclictest10190-21fschecks_count08:17:012
1872999752,43cyclictest26497-21fschecks_time09:07:032
18725997557,12cyclictest18897-21kworker/u17:2-rpciod10:16:301
18725997544,19cyclictest18067-21cut12:32:031
18725997540,12cyclictest181rcu_preempt09:32:161
1872099757,41cyclictest15-21ksoftirqd/008:22:390
18720997559,10cyclictest11602-21ssh12:21:380
18720997557,12cyclictest8837-21latency_hist12:16:420
18720997557,12cyclictest8837-21latency_hist12:16:420
1872099754,61cyclictest21939-21runrttasks11:42:160
1872099753,50cyclictest15-21ksoftirqd/009:15:460
1872099753,37cyclictest15-21ksoftirqd/008:01:260
1872099753,37cyclictest15-21ksoftirqd/008:01:260
1872099752,42cyclictest15-21ksoftirqd/007:31:400
18720997510,38cyclictest15-21ksoftirqd/012:07:140
18729997442,9cyclictest181rcu_preempt11:22:022
1872999743,46cyclictest14924-21/usr/sbin/munin11:32:112
1872999742,41cyclictest9810-21latency_hist08:16:412
18725997460,10cyclictest18709-21cyclictest11:12:151
18725997454,14cyclictest2808-21sh09:22:001
18725997447,9cyclictest181rcu_preempt07:32:021
18725997437,10cyclictest31454-21ssh09:15:431
18725997435,8cyclictest0-21swapper/108:56:411
18725997435,16cyclictest181rcu_preempt10:51:141
18720997458,10cyclictest7868-21apt-get08:11:540
18720997434,20cyclictest15-21ksoftirqd/009:48:130
1872099743,39cyclictest15-21ksoftirqd/009:52:590
1872099743,39cyclictest15-21ksoftirqd/009:52:590
18729997358,11cyclictest18709-21cyclictest07:07:072
18729997358,11cyclictest18709-21cyclictest07:07:072
18729997352,12cyclictest0-21swapper/210:32:172
18729997343,9cyclictest181rcu_preempt07:42:152
18729997339,14cyclictest2770-21ssh10:16:492
18729997325,25cyclictest9220-21mailstats09:32:132
1872999732,42cyclictest352-21runrttasks08:37:022
1872999732,42cyclictest352-21runrttasks08:37:022
18725997350,8cyclictest181rcu_preempt12:24:461
18725997348,19cyclictest16647-21fschecks_count08:37:021
18725997348,19cyclictest16647-21fschecks_count08:37:021
18725997338,12cyclictest181rcu_preempt10:59:211
18725997338,12cyclictest181rcu_preempt10:59:211
18720997358,9cyclictest30208-21ssh11:57:080
1872099734,31cyclictest15-21ksoftirqd/010:41:580
1872099734,30cyclictest15-21ksoftirqd/011:01:560
1872099733,31cyclictest15-21ksoftirqd/008:32:080
18720997332,16cyclictest181rcu_preempt08:46:570
18720997332,16cyclictest181rcu_preempt08:46:570
1872099732,36cyclictest15-21ksoftirqd/007:11:200
1872099732,36cyclictest15-21ksoftirqd/007:11:200
18720997315,40cyclictest15-21ksoftirqd/011:00:320
18720997315,40cyclictest15-21ksoftirqd/011:00:320
18729997253,13cyclictest17728-21kernelversion09:47:042
18729997250,16cyclictest8657-21sendmail12:16:392
18729997250,16cyclictest8657-21sendmail12:16:392
18725997246,11cyclictest181rcu_preempt11:46:531
18725997239,9cyclictest181rcu_preempt10:17:261
18725997228,13cyclictest0-21swapper/110:38:531
1872099723,35cyclictest11354-21cron08:21:390
1872099722,36cyclictest15-21ksoftirqd/011:40:460
1872099722,36cyclictest15-21ksoftirqd/011:40:460
1872099722,32cyclictest15-21ksoftirqd/007:56:220
18729997147,15cyclictest365-21ntpd11:57:172
18729997142,20cyclictest3431-21fschecks_time12:07:032
18729997118,14cyclictest181rcu_preempt11:11:392
18725997151,14cyclictest297-21systemd-logind12:06:401
18725997151,14cyclictest297-21systemd-logind12:06:401
18725997143,10cyclictest181rcu_preempt09:06:561
18725997140,8cyclictest181rcu_preempt12:07:401
1872599713,42cyclictest31764-21ssh10:11:071
1872599713,39cyclictest4919-21apt-get08:01:551
18725997133,9cyclictest0-21swapper/107:13:021
18725997133,9cyclictest0-21swapper/107:13:021
18725997115,34cyclictest0-21swapper/111:16:581
1872099715,26cyclictest15-21ksoftirqd/010:08:210
1872099713,46cyclictest15-21ksoftirqd/010:39:330
1872099713,42cyclictest15-21ksoftirqd/007:42:060
1872099713,30cyclictest15-21ksoftirqd/008:57:010
18720997116,30cyclictest15-21ksoftirqd/010:32:000
18729997033,8cyclictest181rcu_preempt10:53:442
18729997014,32cyclictest20595-21ssh11:41:412
18729997014,32cyclictest20595-21ssh11:41:412
18725997045,8cyclictest181rcu_preempt08:42:011
18725997045,8cyclictest181rcu_preempt08:42:011
18725997038,8cyclictest181rcu_preempt11:06:541
18725997035,7cyclictest181rcu_preempt09:42:151
18725997035,7cyclictest181rcu_preempt09:42:151
18725997034,14cyclictest181rcu_preempt09:39:241
18725997034,14cyclictest181rcu_preempt09:39:241
18725997030,10cyclictest181rcu_preempt09:47:071
18725997027,8cyclictest181rcu_preempt09:01:071
18725997023,8cyclictest181rcu_preempt08:17:021
18720997051,12cyclictest23620-21interrupts09:57:030
1872099703,37cyclictest15-21ksoftirqd/007:17:030
1872099702,41cyclictest15-21ksoftirqd/007:36:470
18729996939,23cyclictest0-21swapper/212:22:042
18729996937,8cyclictest181rcu_preempt07:36:522
1872999693,31cyclictest14776-21latency_hist08:31:432
18725996928,10cyclictest0-21swapper/108:13:191
1872999683,41cyclictest13142-21latency_hist08:26:422
1872999683,34cyclictest20503-21/usr/sbin/munin09:52:002
1872999683,34cyclictest20503-21/usr/sbin/munin09:52:002
18725996848,13cyclictest58-21kcompactd007:55:501
18725996845,8cyclictest181rcu_preempt09:52:151
18725996845,8cyclictest181rcu_preempt09:52:151
18725996840,9cyclictest181rcu_preempt08:36:401
18725996818,12cyclictest0-21swapper/111:46:411
1872099683,38cyclictest15-21ksoftirqd/007:47:080
18729996742,17cyclictest18709-21cyclictest12:27:142
1872999673,27cyclictest17499-21/usr/sbin/munin10:42:012
18729996732,10cyclictest181rcu_preempt10:26:352
18729996732,10cyclictest181rcu_preempt10:26:352
18725996748,12cyclictest18709-21cyclictest08:08:101
18725996748,12cyclictest18709-21cyclictest08:08:101
18725996745,8cyclictest181rcu_preempt07:27:161
18725996743,9cyclictest181rcu_preempt07:57:121
18725996743,9cyclictest181rcu_preempt07:57:121
18725996739,20cyclictest25907-21diskmemload09:57:071
18725996735,8cyclictest0-21swapper/109:02:101
18725996735,8cyclictest0-21swapper/109:02:101
18725996715,12cyclictest0-21swapper/112:16:561
18729996645,9cyclictest181rcu_preempt07:52:022
18729996644,12cyclictest0-21swapper/210:11:592
18729996621,9cyclictest181rcu_preempt07:27:322
18725996645,8cyclictest181rcu_preempt08:26:501
18725996637,10cyclictest181rcu_preempt10:36:341
1872599663,25cyclictest30666-21modprobe07:41:401
1872999659,15cyclictest32670-21ssh12:01:572
1872999659,15cyclictest32670-21ssh12:01:572
18729996546,14cyclictest6261-21latency_hist08:06:422
1872999654,22cyclictest0-21swapper/207:21:552
18729996542,15cyclictest0-21swapper/208:07:152
18729996542,15cyclictest0-21swapper/208:07:152
18729996537,8cyclictest4524-21ssh11:13:372
1872999652,28cyclictest32719-21cut07:47:002
18725996541,14cyclictest0-21swapper/107:17:141
18725996541,11cyclictest181rcu_preempt07:07:011
18725996541,11cyclictest181rcu_preempt07:07:011
18725996518,13cyclictest181rcu_preempt07:43:071
239592640,6sleep30-21swapper/311:46:573
18729996431,7cyclictest0-21swapper/208:41:572
18729996431,7cyclictest0-21swapper/208:41:572
18729996423,13cyclictest181rcu_preempt09:06:432
18729996423,13cyclictest181rcu_preempt09:06:432
1866026415,31sleep30-21swapper/307:06:433
18729996345,10cyclictest0-21swapper/208:52:152
1872999629,27cyclictest16271-21cat08:36:422
1729926214,29sleep20-21swapper/207:02:012
1873499613,44cyclictest9283-21chrt12:17:003
1873499607,44cyclictest26703-21chrt10:57:053
1873499607,44cyclictest26703-21chrt10:57:053
1872999594,28cyclictest0-21swapper/209:26:512
1873499585,39cyclictest18090-21chrt12:32:033
1873499583,42cyclictest20282-21taskset07:11:403
1873499583,42cyclictest20282-21taskset07:11:403
1873499564,37cyclictest8830-21chrt08:13:163
1873499564,35cyclictest32163-21chrt10:11:423
1873499563,41cyclictest16646-21taskset12:29:153
1873499563,37cyclictest32484-21chrt07:46:433
1873499563,36cyclictest11513-21chrt08:21:423
1873499557,36cyclictest27480-21chrt09:07:433
1873499555,37cyclictest27269-21chrt11:52:083
1873499555,37cyclictest27269-21chrt11:52:083
1873499554,29cyclictest0-21swapper/311:26:543
1873499554,29cyclictest0-21swapper/311:26:543
1873499553,39cyclictest22708-21chrt07:16:423
1873499553,39cyclictest22708-21chrt07:16:423
1873499553,37cyclictest11500-21taskset11:26:393
1873499553,35cyclictest5815-21chrt09:27:003
1873499553,34cyclictest14949-21chrt11:31:503
1873499544,35cyclictest3003-21chrt12:06:423
1873499544,35cyclictest3003-21chrt12:06:423
18734995436,11cyclictest23332-21chrt07:17:073
1873499543,41cyclictest2531-21taskset10:16:413
1873499543,41cyclictest13254-21taskset12:22:553
1873499543,36cyclictest687-21chrt09:17:163
1873499543,36cyclictest3110-21chrt12:06:513
1873499534,33cyclictest29580-21chrt07:37:033
1873499533,39cyclictest31469-21chrt11:04:393
1873499533,38cyclictest31273-21taskset11:58:403
1873499533,38cyclictest23780-21chrt09:57:073
1873499533,38cyclictest23397-21chrt08:57:063
1873499533,37cyclictest8815-21chrt09:32:033
1873499533,35cyclictest26101-21taskset10:56:403
1873499533,33cyclictest29243-21chrt07:36:433
1873499533,32cyclictest20730-21taskset11:41:423
1873499533,32cyclictest20730-21taskset11:41:423
1873499533,32cyclictest14749-21chrt08:31:433
1873499532,36cyclictest15850-21taskset10:37:483
1873499524,35cyclictest18500-21chrt10:42:183
1873499523,39cyclictest5931-21taskset10:22:003
1873499523,39cyclictest5931-21taskset10:22:003
1873499523,39cyclictest21070-21chrt09:52:133
1873499523,39cyclictest21070-21chrt09:52:133
1873499523,33cyclictest25992-21chrt07:26:433
1873499522,35cyclictest21504-21chrt11:42:113
1873499514,35cyclictest3111-21taskset11:11:563
1873499514,35cyclictest14756-21chrt09:42:043
1873499514,35cyclictest14756-21chrt09:42:043
1873499514,32cyclictest8166-21taskset11:20:353
1873499513,36cyclictest9362-21chrt10:27:143
1873499513,35cyclictest17093-21chrt08:37:133
1873499513,35cyclictest17093-21chrt08:37:133
1873499513,34cyclictest26330-21chrt07:27:033
18734995131,12cyclictest0-21swapper/310:02:313
1873499503,34cyclictest3090-21chrt10:17:013
1873499503,33cyclictest14447-21chrt10:36:423
1873499502,38cyclictest30598-21chrt09:13:143
1873499502,37cyclictest22661-21chrt10:50:283
1873499502,36cyclictest13016-21taskset09:38:403
1873499502,36cyclictest13016-21taskset09:38:403
1873499502,35cyclictest3002-21chrt07:56:393
1873499502,32cyclictest19506-21chrt08:46:413
1873499502,32cyclictest19506-21chrt08:46:413
1873499494,33cyclictest22761-21chrt08:56:413
1873499494,31cyclictest32606-21chrt07:46:553
1873499493,38cyclictest1365-21taskset11:07:593
1873499493,32cyclictest2607-21chrt09:21:503
1873499492,36cyclictest8708-21chrt12:16:393
1873499492,36cyclictest8708-21chrt12:16:393
18734994835,9cyclictest451rcuc/308:26:093
1873499483,34cyclictest3933-21chrt07:57:123
1873499483,34cyclictest3933-21chrt07:57:123
1873499483,31cyclictest19951-21chrt08:47:013
1873499483,31cyclictest19951-21chrt08:47:013
1873499482,34cyclictest25982-21chrt09:06:423
1873499482,34cyclictest25982-21chrt09:06:423
1873499472,31cyclictest6601-21chrt08:06:563
1873499472,31cyclictest6601-21chrt08:06:563
1873499463,30cyclictest18275-21chrt09:47:153
1873499443,31cyclictest15708-21chrt08:32:153
18734994228,7cyclictest451rcuc/308:04:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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