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2026-02-16 - 07:07
[ 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 Mon Feb 16, 2026 00:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
238521387,94sleep12439-21fschecks_time19:02:301
238521387,94sleep12439-21fschecks_time19:02:301
2223212414,91sleep00-21swapper/019:02:210
2223212414,91sleep00-21swapper/019:02:210
36749911953,8cyclictest0-21swapper/019:37:020
36749911953,8cyclictest0-21swapper/019:37:020
36749911948,17cyclictest3666-21cyclictest21:55:140
36749911635,11cyclictest0-21swapper/021:27:040
129621140,7sleep00-21swapper/000:27:170
36749911336,19cyclictest3786-21cut21:47:360
36749911336,19cyclictest3786-21cut21:47:360
3674991042,42cyclictest11681-21ssh23:50:180
369199952,57cyclictest39-21ksoftirqd/223:12:522
369199952,57cyclictest39-21ksoftirqd/223:12:522
3679999579,8cyclictest0-21swapper/121:37:361
367499943,48cyclictest17380-21ssh23:59:310
3691999273,14cyclictest15613-21kworker/u17:2+events_unbound00:02:012
3679999278,9cyclictest4798-21kworker/u17:0-xprtiod22:52:351
367499904,76cyclictest21894-21rm00:07:240
367499897,76cyclictest1-21systemd22:42:170
367499895,60cyclictest24465-21kworker/u19:0+ext4-rsv-conversion22:52:260
3691998873,11cyclictest3666-21cyclictest20:37:232
3674998864,20cyclictest11261-21kworker/u17:0+nfsiod23:57:050
3674998860,19cyclictest10931-21latency_hist19:27:050
3691998653,10cyclictest181rcu_preempt22:23:552
3674998667,14cyclictest3666-21cyclictest19:52:560
3674998667,14cyclictest3666-21cyclictest19:52:560
3674998662,16cyclictest8911-21gpgv19:22:050
3691998557,9cyclictest181rcu_preempt21:42:252
3691998557,20cyclictest1446-21latency_hist20:37:032
3691998554,10cyclictest181rcu_preempt23:48:162
3679998565,14cyclictest4704-21apt-key20:47:041
3679998549,10cyclictest181rcu_preempt19:07:221
3679998537,16cyclictest181rcu_preempt19:21:431
367999852,41cyclictest31-21ksoftirqd/123:59:091
3674998555,21cyclictest3174-21latency_hist20:42:050
367499853,46cyclictest5086-21apt-get20:47:170
367499853,46cyclictest5086-21apt-get20:47:170
3691998464,14cyclictest10030-21unixbench_singl21:57:392
3691998464,14cyclictest10030-21unixbench_singl21:57:392
3691998455,9cyclictest181rcu_preempt23:38:092
3679998433,12cyclictest181rcu_preempt00:12:221
3674998458,17cyclictest11298-21diskmemload21:27:420
369599834,45cyclictest0-21swapper/319:22:033
369199838,50cyclictest39-21ksoftirqd/220:50:212
369199838,50cyclictest39-21ksoftirqd/220:50:212
3691998367,11cyclictest3666-21cyclictest21:47:122
3691998367,11cyclictest3666-21cyclictest21:47:122
3691998353,10cyclictest181rcu_preempt21:52:272
369199832,39cyclictest39-21ksoftirqd/223:26:382
3691998255,8cyclictest181rcu_preempt23:28:552
3691998252,10cyclictest181rcu_preempt20:17:212
3691998252,10cyclictest181rcu_preempt20:17:212
3679998245,10cyclictest181rcu_preempt00:24:171
3679998245,10cyclictest181rcu_preempt00:24:171
3691998167,9cyclictest26624-21cpuspeed21:32:172
3691998159,8cyclictest181rcu_preempt22:16:152
3691998151,8cyclictest181rcu_preempt19:23:032
3691998149,10cyclictest181rcu_preempt22:42:342
3691998125,14cyclictest0-21swapper/219:42:122
3679998147,9cyclictest181rcu_preempt22:49:061
3679998147,9cyclictest181rcu_preempt22:49:061
3679998135,13cyclictest181rcu_preempt22:41:021
3679998135,13cyclictest181rcu_preempt22:41:021
367499813,56cyclictest15045-21idleruntime-cro23:02:000
3691998058,16cyclictest31972-21apt-key20:32:022
3691998048,8cyclictest181rcu_preempt21:37:092
3691998035,16cyclictest181rcu_preempt21:23:512
3679998054,11cyclictest181rcu_preempt23:56:481
367999803,47cyclictest3914-21ssh00:32:001
3674998039,30cyclictest0-21swapper/023:17:260
369599799,47cyclictest9651-21chrt22:52:543
3691997964,8cyclictest0-21swapper/222:27:342
3691997964,8cyclictest0-21swapper/222:27:342
3691997959,9cyclictest181rcu_preempt19:07:322
3691997946,10cyclictest181rcu_preempt19:27:152
3691997939,12cyclictest181rcu_preempt22:59:192
3679997953,18cyclictest32062-21apt-key20:32:031
3679997933,16cyclictest181rcu_preempt20:47:531
3679997933,16cyclictest181rcu_preempt20:47:531
3679997930,9cyclictest181rcu_preempt00:17:401
3674997953,18cyclictest27621-21fschecks_time20:17:220
3674997953,18cyclictest27621-21fschecks_time20:17:220
3691997860,13cyclictest29753-21threads20:22:362
3691997860,13cyclictest29753-21threads20:22:362
3691997852,8cyclictest181rcu_preempt00:03:542
3691997850,9cyclictest181rcu_preempt22:07:232
3691997846,9cyclictest181rcu_preempt00:32:362
3679997847,11cyclictest181rcu_preempt21:32:391
367999784,47cyclictest31-21ksoftirqd/119:30:391
3679997833,12cyclictest181rcu_preempt21:48:211
3679997833,12cyclictest181rcu_preempt21:48:211
367999782,50cyclictest31-21ksoftirqd/100:11:181
367999782,41cyclictest31-21ksoftirqd/122:42:491
3674997863,9cyclictest15-21ksoftirqd/000:25:460
3674997863,9cyclictest15-21ksoftirqd/000:25:460
3674997854,16cyclictest11298-21diskmemload22:02:210
3674997854,15cyclictest29091-21ssh23:24:470
3674997846,12cyclictest181rcu_preempt23:31:570
3674997824,13cyclictest181rcu_preempt19:42:130
3691997757,8cyclictest181rcu_preempt20:52:272
3691997744,11cyclictest0-21swapper/223:17:392
3691997743,17cyclictest181rcu_preempt21:20:022
3691997743,17cyclictest181rcu_preempt21:20:022
3691997738,18cyclictest8289-21ssh23:44:062
3691997737,16cyclictest181rcu_preempt22:04:442
3691997731,12cyclictest181rcu_preempt00:27:492
367999776,41cyclictest31-21ksoftirqd/123:44:401
3679997758,9cyclictest0-21swapper/123:37:181
367999775,47cyclictest31-21ksoftirqd/121:22:511
3679997752,8cyclictest181rcu_preempt23:03:151
3679997752,8cyclictest181rcu_preempt23:03:151
367999772,49cyclictest31-21ksoftirqd/121:02:531
367999772,32cyclictest31-21ksoftirqd/121:12:031
3674997760,11cyclictest21473-21rm00:07:040
3674997752,17cyclictest17365-21latency_hist21:17:030
367499774,35cyclictest20753-21latency_hist22:17:050
369599762,29cyclictest5508-21chrt00:33:123
3691997647,8cyclictest181rcu_preempt20:12:052
3691997646,8cyclictest181rcu_preempt23:07:342
3691997645,8cyclictest181rcu_preempt20:57:352
3691997644,7cyclictest181rcu_preempt22:36:092
367999768,40cyclictest31-21ksoftirqd/121:28:311
367999767,35cyclictest31-21ksoftirqd/121:15:501
3679997654,16cyclictest15214-21latency_hist23:02:041
3679997636,9cyclictest181rcu_preempt22:12:041
3674997655,12cyclictest11298-21diskmemload22:50:170
3674997655,12cyclictest11298-21diskmemload22:50:170
3674997650,18cyclictest22550-21cpu20:02:170
367499762,53cyclictest24763-21/usr/sbin/munin00:12:100
3691997555,10cyclictest0-21swapper/200:17:212
3691997553,8cyclictest181rcu_preempt22:50:192
3691997553,8cyclictest181rcu_preempt22:50:192
3691997550,8cyclictest181rcu_preempt23:06:522
3691997550,8cyclictest181rcu_preempt23:06:522
3691997549,8cyclictest181rcu_preempt00:22:352
3691997549,8cyclictest181rcu_preempt00:22:352
3691997549,7cyclictest181rcu_preempt19:12:372
3691997548,8cyclictest181rcu_preempt21:12:042
369199753,46cyclictest39-21ksoftirqd/220:01:142
3679997557,12cyclictest297-21systemd-logind23:37:021
3679997547,10cyclictest181rcu_preempt23:12:281
3679997547,10cyclictest181rcu_preempt23:12:281
3679997537,8cyclictest11329-21ssh22:01:131
3679997537,8cyclictest11329-21ssh22:01:131
3679997535,10cyclictest26659-21unixbench_multi20:12:361
3679997532,7cyclictest181rcu_preempt23:17:201
367999752,44cyclictest31-21ksoftirqd/123:09:021
367999752,43cyclictest31-21ksoftirqd/123:22:191
367999752,39cyclictest31-21ksoftirqd/119:22:331
3679997515,33cyclictest31-21ksoftirqd/121:54:291
367499756,14cyclictest181rcu_preempt22:17:230
3674997546,21cyclictest24956-21ssh22:22:410
367499754,36cyclictest18745-21kernelversion23:07:250
3674997538,31cyclictest7267-21ntp_kernel_pll_23:42:300
369599743,33cyclictest9391-21chrt19:22:153
3691997446,6cyclictest181rcu_preempt21:16:082
3691997445,8cyclictest181rcu_preempt19:37:342
3679997444,11cyclictest181rcu_preempt19:40:091
3679997437,9cyclictest181rcu_preempt00:02:321
3679997437,12cyclictest181rcu_preempt22:19:181
367999743,45cyclictest31-21ksoftirqd/119:32:221
367999743,45cyclictest31-21ksoftirqd/119:32:221
3679997433,9cyclictest181rcu_preempt19:52:491
3679997433,9cyclictest181rcu_preempt19:52:491
3679997432,8cyclictest181rcu_preempt21:19:001
3679997432,8cyclictest181rcu_preempt21:19:001
367999742,47cyclictest31-21ksoftirqd/122:35:451
367999742,46cyclictest31-21ksoftirqd/100:33:431
3679997421,32cyclictest31-21ksoftirqd/122:03:501
3674997460,9cyclictest15-21ksoftirqd/020:42:110
3674997432,15cyclictest0-21swapper/021:07:380
3691997359,7cyclictest181rcu_preempt00:07:322
3691997354,7cyclictest181rcu_preempt00:12:582
3691997339,12cyclictest181rcu_preempt22:20:482
3679997339,10cyclictest181rcu_preempt22:12:531
3679997335,8cyclictest181rcu_preempt20:02:141
3679997334,10cyclictest181rcu_preempt19:12:181
3679997332,10cyclictest181rcu_preempt22:22:171
3679997332,10cyclictest181rcu_preempt20:32:131
3674997353,16cyclictest3666-21cyclictest21:02:360
367499733,34cyclictest15577-21latency_hist19:42:010
3691997258,8cyclictest0-21swapper/220:12:252
3691997242,13cyclictest181rcu_preempt22:53:282
3691997239,9cyclictest181rcu_preempt20:42:182
3691997234,13cyclictest181rcu_preempt23:55:262
3691997228,11cyclictest181rcu_preempt19:57:022
3691997228,11cyclictest181rcu_preempt19:57:022
367999724,40cyclictest31-21ksoftirqd/120:08:211
3679997241,8cyclictest181rcu_preempt20:37:341
3679997235,16cyclictest181rcu_preempt23:47:091
3679997232,9cyclictest181rcu_preempt22:27:141
3679997232,9cyclictest181rcu_preempt22:27:141
3679997231,11cyclictest181rcu_preempt19:42:391
3674997252,13cyclictest29579-21latency_hist22:32:040
3674997252,13cyclictest29579-21latency_hist22:32:040
3674997248,15cyclictest352-21runrttasks23:34:260
367499724,50cyclictest11004-21cpu19:27:150
367499723,39cyclictest32470-21/usr/sbin/munin21:42:340
297227213,34sleep30-21swapper/319:02:493
297227213,34sleep30-21swapper/319:02:493
3691997157,8cyclictest0-21swapper/220:02:282
3691997156,8cyclictest0-21swapper/219:22:042
3691997152,13cyclictest689-21/usr/sbin/munin23:32:402
369199712,24cyclictest39-21ksoftirqd/219:47:252
369199712,24cyclictest39-21ksoftirqd/219:47:252
3679997153,13cyclictest27453-21cpuspeed20:17:161
3679997153,13cyclictest27453-21cpuspeed20:17:161
3679997150,14cyclictest18202-21threads19:47:361
3679997150,14cyclictest18202-21threads19:47:361
3679997136,8cyclictest181rcu_preempt23:27:161
3674997157,8cyclictest15-21ksoftirqd/020:22:220
3674997157,8cyclictest15-21ksoftirqd/020:22:220
3674997156,9cyclictest15-21ksoftirqd/019:12:260
3674997156,9cyclictest11298-21diskmemload22:38:460
3674997156,9cyclictest11298-21diskmemload22:38:460
3674997145,18cyclictest22551-21sh23:13:060
3674997145,18cyclictest22551-21sh23:13:060
367499713,37cyclictest3684-21/usr/sbin/munin23:37:250
3674997126,23cyclictest27941-21kworker/u17:1+rpciod21:37:370
369599703,26cyclictest20753-21chrt21:22:213
3691997042,9cyclictest181rcu_preempt21:28:212
3691997026,10cyclictest181rcu_preempt22:41:432
3691997026,10cyclictest181rcu_preempt22:41:432
3691997024,24cyclictest0-21swapper/219:32:292
3691997024,24cyclictest0-21swapper/219:32:292
3679997010,32cyclictest31-21ksoftirqd/121:44:431
367499704,33cyclictest15151-21fschecks_count22:07:230
367499703,49cyclictest31214-21processes20:27:360
367499703,44cyclictest624-21grep20:33:110
367499703,38cyclictest6853-21cron00:37:000
3674997020,37cyclictest5245-21cat19:12:030
3674997013,51cyclictest161ktimers/020:52:160
367999698,28cyclictest31-21ksoftirqd/120:57:111
367999694,40cyclictest31-21ksoftirqd/120:22:361
367999694,40cyclictest31-21ksoftirqd/120:22:361
3674996952,12cyclictest18041-21sh23:07:020
3674996952,12cyclictest18041-21sh23:07:020
3674996930,13cyclictest0-21swapper/000:17:330
369599683,26cyclictest17564-21chrt22:12:013
369599683,25cyclictest11531-21taskset19:27:293
369599683,21cyclictest21537-21chrt00:07:043
3674996839,17cyclictest26998-21ssh21:32:270
369599674,29cyclictest18744-21chrt21:17:473
369599674,29cyclictest18744-21chrt21:17:473
369599673,27cyclictest27962-21chrt00:17:193
3679996734,7cyclictest181rcu_preempt20:52:231
3679996733,7cyclictest181rcu_preempt19:57:151
367499675,48cyclictest352-21runrttasks21:57:430
367499675,48cyclictest352-21runrttasks21:57:430
367499674,49cyclictest22288-21modprobe20:02:010
3674996738,9cyclictest181rcu_preempt20:17:010
3674996719,8cyclictest181rcu_preempt19:47:370
3674996719,8cyclictest181rcu_preempt19:47:370
369599663,29cyclictest29512-21taskset21:37:123
369599662,30cyclictest14609-21chrt19:37:263
369599662,24cyclictest438-21chrt21:42:273
369599662,21cyclictest17032-21chrt23:04:173
369599662,21cyclictest17032-21chrt23:04:173
3674996644,12cyclictest0-21swapper/021:17:390
3674996644,12cyclictest0-21swapper/021:17:390
367499663,50cyclictest30062-21fschecks_time22:32:240
359626612,28sleep20-21swapper/219:07:042
359626612,28sleep20-21swapper/219:07:042
369599654,34cyclictest917-21kworker/3:1+events20:02:133
369599653,26cyclictest8623-21taskset23:45:023
369599653,20cyclictest14346-21chrt21:12:033
369599652,28cyclictest416-21taskset23:32:013
369599652,22cyclictest9845-21chrt23:47:223
3691996545,7cyclictest181rcu_preempt21:02:342
369599643,24cyclictest5914-21chrt19:12:183
369599643,21cyclictest20680-21chrt19:57:023
369599643,21cyclictest20680-21chrt19:57:023
369599643,20cyclictest12583-21chrt19:32:113
369599643,20cyclictest12583-21chrt19:32:113
369599642,25cyclictest21910-21chrt23:12:323
369599642,25cyclictest21910-21chrt23:12:323
369599642,25cyclictest21152-21chrt22:17:243
369599642,20cyclictest12376-21chrt22:57:113
369599633,40cyclictest0-21swapper/300:07:113
369599633,23cyclictest17904-21chrt22:12:173
369599633,21cyclictest26089-21chrt00:13:133
369599633,21cyclictest25292-21chrt22:23:403
369599633,20cyclictest28789-21chrt23:23:543
369599633,19cyclictest15218-21chrt21:12:323
369599632,29cyclictest1258-21chrt22:37:383
369599632,29cyclictest1258-21chrt22:37:383
369599632,24cyclictest26282-21chrt20:12:293
369599632,23cyclictest3920-21chrt21:47:373
369599632,23cyclictest3920-21chrt21:47:373
369599632,22cyclictest28431-21chrt21:34:533
369599632,22cyclictest16220-21chrt23:57:313
369599632,22cyclictest14629-21chrt23:55:163
369599632,21cyclictest9525-21chrt21:57:303
369599632,21cyclictest9525-21chrt21:57:303
369599632,20cyclictest5056-21chrt22:44:393
369599624,23cyclictest6583-21chrt21:52:323
369599623,22cyclictest4232-21taskset23:37:283
369599623,19cyclictest8606-21chrt22:51:193
369599623,19cyclictest8606-21chrt22:51:193
369599623,19cyclictest30755-21chrt00:22:133
369599623,19cyclictest30755-21chrt00:22:133
369599623,19cyclictest26795-21chrt22:27:123
369599623,19cyclictest26795-21chrt22:27:123
369599623,14cyclictest314572sleep320:27:403
369599622,23cyclictest3872-21taskset19:07:163
369599622,21cyclictest25256-21taskset20:09:133
369599622,21cyclictest18987-21chrt19:52:043
369599622,21cyclictest18987-21chrt19:52:043
369599622,20cyclictest30982-21chrt22:33:003
367499622,44cyclictest24346-21grep20:07:230
3674996222,12cyclictest181rcu_preempt20:57:360
369599613,20cyclictest2599-21chrt23:34:533
369599612,25cyclictest1639-21taskset20:37:163
369599612,24cyclictest5113-21chrt20:47:243
369599612,24cyclictest5113-21chrt20:47:243
369599612,22cyclictest3193-21chrt00:30:043
369599612,22cyclictest21960-21chrt19:58:073
369599612,21cyclictest12630-21taskset22:02:323
369599612,20cyclictest9716-21chrt21:02:023
369599612,20cyclictest7735-21taskset20:53:153
369599612,20cyclictest23707-21chrt21:27:193
369599612,19cyclictest27393-21chrt20:17:113
369599612,19cyclictest27393-21chrt20:17:113
369599603,19cyclictest9955-21chrt21:02:143
369599603,19cyclictest30295-21chrt20:26:383
369599603,19cyclictest30295-21chrt20:26:383
369599603,19cyclictest15848-21chrt19:42:153
369599603,19cyclictest1204-21chrt20:35:253
369599602,22cyclictest19444-21taskset23:07:413
369599602,19cyclictest26003-21chrt23:19:253
369599592,18cyclictest4306-21chrt20:43:313
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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