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2026-02-12 - 06:23
[ 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 Thu Feb 12, 2026 00:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2809299131114,11cyclictest13686-21ssh22:17:360
28101991252,71cyclictest1373-21apt-get21:02:341
28101991252,71cyclictest1373-21apt-get21:02:341
281019912460,57cyclictest19378-21sh21:32:521
128821100,3sleep131-21ksoftirqd/121:57:341
128821100,3sleep131-21ksoftirqd/121:57:341
281019910540,20cyclictest26401-21latency23:32:431
28117991032,81cyclictest19908-21chrt22:27:363
28117991032,81cyclictest19908-21chrt22:27:363
28101991033,69cyclictest1374-21kworker/u18:1+rpciod22:12:341
280929910147,12cyclictest181rcu_preempt22:28:190
280929910147,12cyclictest181rcu_preempt22:28:190
28101999870,19cyclictest27895-21sh21:47:401
279132974,15sleep10-21swapper/119:07:011
2810199953,70cyclictest29590-21rm00:32:561
2810199953,70cyclictest29590-21rm00:32:561
28092999455,32cyclictest13228-21latency_hist22:17:190
28092999450,8cyclictest181rcu_preempt00:22:140
28092999371,16cyclictest31799-21apt-key19:17:200
28092999171,14cyclictest2839-21latency_hist19:27:200
28092999157,12cyclictest58-21kcompactd023:06:570
28112999058,21cyclictest26328-21cstates00:27:342
28101999063,19cyclictest32470-21sh21:55:041
28101998964,16cyclictest14170-21ssh22:18:101
28101998961,9cyclictest31-21ksoftirqd/123:15:151
28101998961,9cyclictest31-21ksoftirqd/123:15:151
28092998945,31cyclictest8308-21latency_hist23:57:210
28112998857,21cyclictest13358-21apt-key22:17:212
28092998871,11cyclictest15290-21rm21:27:170
28092998871,11cyclictest15290-21rm21:27:170
28112998711,32cyclictest634-21ssh21:56:482
28101998760,18cyclictest8765-21sh22:09:201
28101998665,13cyclictest22380-21ssh23:26:331
28101998664,16cyclictest28080-21cyclictest20:17:491
28092998657,21cyclictest25367-21sendmail22:37:160
28101998561,14cyclictest0-21swapper/121:12:541
28101998555,21cyclictest18429-21sh22:24:511
28101998555,21cyclictest18429-21sh22:24:511
2810199848,64cyclictest19948-21taskset22:27:491
2810199848,64cyclictest19948-21taskset22:27:491
28101998461,15cyclictest28080-21cyclictest00:07:561
28101998461,15cyclictest28080-21cyclictest00:07:561
2809299845,56cyclictest29418-21apt-get00:32:560
2809299845,56cyclictest29418-21apt-get00:32:560
265952848,52sleep026605-21acpi19:02:280
28092998349,8cyclictest181rcu_preempt00:12:500
28112998263,12cyclictest32453-21kworker/u18:2+events_unbound21:37:172
28092998254,20cyclictest1-21systemd22:08:170
2809299824,66cyclictest25952-21fschecks_count22:37:390
2809299824,66cyclictest25952-21fschecks_count22:37:390
28092998227,9cyclictest0-21swapper/020:38:150
28092998227,9cyclictest0-21swapper/020:38:150
28092998144,8cyclictest181rcu_preempt20:02:200
28112998060,13cyclictest3236-21diskmemload22:37:202
28112998058,14cyclictest26126-21ssh00:27:202
28112998056,14cyclictest7066-21diskmemload22:07:202
28092998059,13cyclictest28080-21cyclictest00:07:550
28092998059,13cyclictest28080-21cyclictest00:07:550
2811299798,37cyclictest0-21swapper/222:42:472
28101997962,11cyclictest29860-21munin-node21:22:551
28101997962,11cyclictest29860-21munin-node21:22:551
28101997958,14cyclictest28080-21cyclictest19:52:521
2810199793,33cyclictest8273-21latency_hist23:57:211
2810199792,53cyclictest23648-21apt-get20:32:311
28092997962,11cyclictest22840-21ssh23:27:200
28092997948,8cyclictest181rcu_preempt20:02:440
28092997948,8cyclictest181rcu_preempt20:02:440
28092997945,12cyclictest181rcu_preempt21:57:550
28092997945,12cyclictest181rcu_preempt21:57:550
2811299785,29cyclictest0-21swapper/221:14:072
28101997858,7cyclictest181rcu_preempt20:47:521
28101997853,19cyclictest23763-21apt-key20:32:201
2810199782,51cyclictest32218-21taskset19:17:521
2810199782,44cyclictest21584-21/usr/sbin/munin21:37:451
28092997840,8cyclictest181rcu_preempt23:36:110
28112997752,16cyclictest1319-21/usr/sbin/munin19:22:342
28112997719,11cyclictest0-21swapper/223:24:022
28101997757,14cyclictest13860-21latency_hist23:12:201
28101997742,16cyclictest181rcu_preempt00:04:181
2810199773,63cyclictest26020-21apt-get20:37:321
2810199773,63cyclictest26020-21apt-get20:37:321
28092997752,11cyclictest181rcu_preempt21:52:290
28092997749,19cyclictest29310-21apt-key00:32:220
28092997747,8cyclictest181rcu_preempt20:37:180
28112997629,34cyclictest27620-21ssh21:47:332
28112997620,14cyclictest0-21swapper/221:01:312
28101997645,9cyclictest181rcu_preempt19:12:471
28101997644,8cyclictest181rcu_preempt00:32:201
28101997633,9cyclictest181rcu_preempt21:30:421
2810199762,37cyclictest15152-21tail20:02:521
2810199762,37cyclictest15152-21tail20:02:521
28092997654,8cyclictest181rcu_preempt00:22:400
28092997643,9cyclictest181rcu_preempt22:22:340
28092997643,9cyclictest181rcu_preempt22:22:340
2809299764,36cyclictest5743-21ntpq22:57:450
28092997641,9cyclictest181rcu_preempt20:42:380
28092997641,9cyclictest181rcu_preempt20:42:380
28092997640,8cyclictest181rcu_preempt23:32:190
2809299763,60cyclictest12358-21ssh21:22:190
2809299763,36cyclictest32455-21/usr/sbin/munin23:42:460
2811799753,47cyclictest29519-21chrt00:32:443
2811799753,47cyclictest29519-21chrt00:32:443
28112997555,14cyclictest31769-21sh00:36:252
28112997555,14cyclictest31769-21sh00:36:252
28112997553,13cyclictest11065-21rm23:07:272
28112997529,10cyclictest0-21swapper/222:57:312
28101997557,13cyclictest28080-21cyclictest00:12:461
28101997543,14cyclictest28023-21ssh22:41:201
28101997543,14cyclictest28023-21ssh22:41:201
28101997543,11cyclictest181rcu_preempt20:52:341
28101997537,11cyclictest181rcu_preempt21:07:421
28092997558,11cyclictest11744-21diskmemload00:02:390
28092997556,13cyclictest11929-21unixbench_singl19:52:520
28092997551,15cyclictest29304-21cpuspeed20:47:330
28092997548,9cyclictest29346-21uname23:37:420
28092997544,8cyclictest181rcu_preempt20:58:530
28092997538,8cyclictest181rcu_preempt23:58:480
28092997538,8cyclictest181rcu_preempt23:58:480
28092997518,29cyclictest181rcu_preempt21:31:100
2706927524,34sleep30-21swapper/319:02:523
2811299745,53cyclictest24147-21apt-get20:32:382
28112997453,14cyclictest277-21dbus-daemon19:47:182
28112997424,17cyclictest0-21swapper/219:32:192
28101997449,16cyclictest7989-21fschecks_count19:42:371
28101997439,24cyclictest10964-21latency_hist19:52:211
2811299738,27cyclictest14737-21sh23:12:492
2811299738,27cyclictest14737-21sh23:12:492
28112997359,9cyclictest20677-21ssh00:17:402
28112997354,13cyclictest23813-21runrttasks20:32:202
28112997351,17cyclictest15183-21threads00:07:542
28112997351,17cyclictest15183-21threads00:07:542
28112997321,13cyclictest4518-21timerwakeupswit21:07:542
28112997314,26cyclictest31646-21apt-get22:47:282
28112997314,26cyclictest31646-21apt-get22:47:282
28101997357,11cyclictest28080-21cyclictest19:27:441
28101997354,13cyclictest18966-21latency_hist20:17:201
2810199733,30cyclictest1319-21/usr/sbin/munin19:22:521
28092997345,8cyclictest181rcu_preempt20:20:440
28092997344,13cyclictest181rcu_preempt23:07:270
2809299733,36cyclictest28688-21head21:47:550
28092997332,11cyclictest181rcu_preempt21:07:190
28092997332,11cyclictest181rcu_preempt21:07:190
2811299725,41cyclictest30812-21/usr/sbin/munin19:12:482
28112997253,13cyclictest352-21runrttasks21:57:412
28112997253,13cyclictest352-21runrttasks21:57:412
28112997253,12cyclictest277-21dbus-daemon23:52:172
28112997240,23cyclictest12368-21readlink19:57:172
2811299723,52cyclictest4785-21taskset19:32:382
2811299723,52cyclictest4785-21taskset19:32:382
28101997248,7cyclictest181rcu_preempt00:02:181
28101997248,7cyclictest181rcu_preempt00:02:181
28101997244,7cyclictest181rcu_preempt21:17:441
28092997256,10cyclictest24290-21rm21:42:170
28092997233,9cyclictest181rcu_preempt23:21:360
2811299716,50cyclictest352-21runrttasks00:02:122
2811299716,50cyclictest352-21runrttasks00:02:122
28112997152,13cyclictest277-21dbus-daemon22:57:162
28112997144,21cyclictest26802-21timerandwakeup23:32:532
28112997141,21cyclictest29926-21swap20:47:502
28112997132,29cyclictest29598-21modprobe19:12:172
28101997152,14cyclictest2391-21/usr/sbin/munin23:47:541
28101997138,11cyclictest181rcu_preempt19:57:511
28092997154,12cyclictest6069-21latency_hist19:37:200
28092997154,12cyclictest6069-21latency_hist19:37:200
2809299713,55cyclictest19658-21grep21:32:550
28092997132,9cyclictest181rcu_preempt22:52:190
28092997132,9cyclictest181rcu_preempt22:52:190
28112997045,14cyclictest0-21swapper/223:17:492
2811299703,46cyclictest26181-21latency22:37:432
2811299703,46cyclictest26181-21latency22:37:432
28112997017,16cyclictest19623-21ntp_states20:17:462
28101997052,14cyclictest28080-21cyclictest00:22:321
2810199703,37cyclictest24849-21fschecks_count21:42:391
28101997030,13cyclictest181rcu_preempt23:01:251
28092997055,11cyclictest28080-21cyclictest19:12:180
2809299703,49cyclictest1080-21idleruntime-cro19:22:170
28092997033,7cyclictest181rcu_preempt22:02:390
2809299703,33cyclictest3782-21fschecks_count21:07:390
28092997012,9cyclictest31622-21cat20:52:520
2811299698,23cyclictest9770-21seq23:04:282
2811299696,25cyclictest18212-21taskset22:24:152
2811299696,25cyclictest18212-21taskset22:24:152
28112996954,9cyclictest23788-21switchtime23:27:522
28112996953,10cyclictest16394-21latency_hist22:22:192
28112996950,13cyclictest0-21swapper/222:32:212
28112996950,13cyclictest0-21swapper/222:32:212
2811299693,46cyclictest15997-21ssh21:27:412
2811299693,42cyclictest28206-21latency_hist19:07:222
2811299693,33cyclictest32248-21ssh23:42:412
28101996949,14cyclictest1-21systemd23:29:171
28101996948,15cyclictest32604-21processes23:42:511
28101996938,12cyclictest181rcu_preempt22:52:381
28092996954,10cyclictest28080-21cyclictest21:44:590
28092996935,9cyclictest181rcu_preempt20:12:370
28092996923,8cyclictest0-21swapper/019:47:500
28092996917,12cyclictest181rcu_preempt21:12:490
153332690,6sleep3451rcuc/323:13:273
153332690,6sleep3451rcuc/323:13:273
2811299683,47cyclictest22170-21latency_hist20:27:202
28112996820,9cyclictest11743-21irqstats00:02:392
28112996817,41cyclictest1876-21apt-get21:02:342
28112996817,41cyclictest1876-21apt-get21:02:342
28101996851,12cyclictest0-21swapper/123:02:531
28101996836,11cyclictest181rcu_preempt20:59:201
28101996829,32cyclictest1374-21kworker/u18:1+nfsiod22:02:411
2809299683,37cyclictest23646-21latency_hist20:32:210
28112996751,10cyclictest9278-21kworker/u17:2-xprtiod21:37:522
28112996750,10cyclictest0-21swapper/219:42:172
28112996744,15cyclictest14048-21kworker/u17:0-ext4-rsv-conversion00:17:192
28112996741,13cyclictest0-21swapper/220:42:212
28112996741,13cyclictest0-21swapper/220:42:212
28112996739,20cyclictest25084-21latency21:42:442
2811299673,43cyclictest7902-21ssh22:07:512
2811299672,51cyclictest8236-21ssh23:57:212
28112996716,22cyclictest15942-21cstates20:07:352
28112996716,22cyclictest15942-21cstates20:07:352
28101996748,13cyclictest23814-21sh22:32:551
28101996746,14cyclictest28080-21cyclictest19:32:381
28101996746,14cyclictest28080-21cyclictest19:32:381
28101996738,9cyclictest181rcu_preempt22:49:181
28101996738,9cyclictest181rcu_preempt22:49:181
28092996750,11cyclictest29021-21perl22:42:410
28092996742,8cyclictest181rcu_preempt23:49:100
28092996737,15cyclictest181rcu_preempt23:16:330
28092996737,15cyclictest181rcu_preempt23:16:330
28112996640,18cyclictest0-21swapper/221:22:422
28112996640,18cyclictest0-21swapper/221:22:422
28101996650,10cyclictest0-21swapper/123:37:521
28101996636,22cyclictest16053-21fschecks_count20:07:401
28101996636,22cyclictest16053-21fschecks_count20:07:401
28092996651,10cyclictest277-21dbus-daemon20:27:180
28092996640,11cyclictest181rcu_preempt20:07:480
28092996640,11cyclictest181rcu_preempt20:07:480
28092996635,24cyclictest0-21swapper/019:42:500
2811299658,24cyclictest11361-21seq21:19:512
2811299657,29cyclictest0-21swapper/219:18:192
2811299654,38cyclictest28570-21unixbench_singl20:42:532
2811299654,38cyclictest28570-21unixbench_singl20:42:532
2811299653,43cyclictest18991-21cat20:17:202
2811299653,41cyclictest9972-21grep19:47:492
2811299653,36cyclictest31809-21unixbench_singl20:52:532
2811299653,34cyclictest12855-21fschecks_time19:57:392
28101996550,9cyclictest0-21swapper/100:17:381
28101996548,11cyclictest29057-21timerandwakeup19:07:521
2810199653,25cyclictest27627-21apt-get20:42:281
2810199653,25cyclictest27627-21apt-get20:42:281
2810199652,41cyclictest6508-21if_eth019:37:401
2810199652,28cyclictest22040-21latency_hist20:27:201
2809299653,41cyclictest3141-21grep19:27:380
2811299642,40cyclictest15145-21unixbench_multi20:02:522
2811299642,40cyclictest15145-21unixbench_multi20:02:522
28112996421,7cyclictest371rcuc/223:40:242
2810199642,42cyclictest17737-21ps23:17:481
2809299643,42cyclictest6361-21fschecks_count19:37:370
28101996351,8cyclictest27452-21kworker/u19:0-rpciod22:44:141
2809299633,34cyclictest2814-21wc22:52:480
2811799622,38cyclictest24160-21chrt20:32:383
28117995827,22cyclictest17555-21chrt22:22:543
28117995827,22cyclictest17555-21chrt22:22:543
28117995725,25cyclictest0-21swapper/322:17:363
2811799553,38cyclictest26296-21taskset00:27:333
2811799553,35cyclictest7032-21chrt19:37:523
2811799543,38cyclictest31618-21chrt23:42:173
2811799543,37cyclictest24096-21chrt00:22:513
2811799543,37cyclictest15777-21chrt20:07:203
2811799543,37cyclictest15777-21chrt20:07:203
2811799542,36cyclictest15649-21taskset21:27:323
2811799533,35cyclictest10359-21chrt21:17:513
2811799533,34cyclictest25162-21chrt23:31:023
2811799533,33cyclictest5994-21chrt19:37:193
2811799533,33cyclictest5994-21chrt19:37:193
2811799532,37cyclictest6417-21taskset21:12:203
2811799532,35cyclictest1250-21taskset19:22:203
2811799532,32cyclictest26344-21chrt21:44:433
2811799524,31cyclictest22622-21chrt21:37:543
2811799523,35cyclictest32527-21chrt22:47:533
2811799523,35cyclictest32527-21chrt22:47:533
2811799523,35cyclictest315-21chrt20:57:413
2811799523,33cyclictest21537-21chrt21:37:213
2811799523,33cyclictest11576-21chrt00:02:363
2811799522,38cyclictest1964-21chrt23:46:553
2811799522,35cyclictest16095-21chrt20:07:403
2811799522,35cyclictest16095-21chrt20:07:403
2811799513,35cyclictest7623-21chrt23:56:073
2811799513,35cyclictest27846-21chrt21:47:393
2811799513,34cyclictest13160-21chrt21:22:463
2811799513,34cyclictest13160-21chrt21:22:463
2811799513,32cyclictest30961-21taskset21:52:463
28117995124,14cyclictest144062chrt00:07:353
28117995124,14cyclictest144062chrt00:07:353
2811799512,35cyclictest31527-21chrt22:47:203
2811799512,33cyclictest5308-21chrt22:57:343
2811799504,34cyclictest9162-21chrt23:02:533
2811799504,34cyclictest31052-21taskset19:12:543
28117995034,9cyclictest204982sleep323:22:433
2811799503,34cyclictest9799-21chrt22:12:163
2811799502,35cyclictest22858-21taskset20:27:493
2811799502,32cyclictest19437-21taskset20:17:413
2811799493,34cyclictest23659-21chrt22:32:533
2811799493,31cyclictest8592-21chrt23:57:383
2811799493,31cyclictest8592-21chrt23:57:383
2811799492,34cyclictest17248-21chrt23:17:363
2811799492,33cyclictest2513-21chrt23:47:323
2811799483,32cyclictest4505-21chrt22:56:283
2811799483,30cyclictest1350-21taskset21:57:363
2811799483,30cyclictest1350-21taskset21:57:363
2811799473,33cyclictest8006-21chrt19:42:373
2811799473,26cyclictest0-21swapper/322:12:493
2811799472,35cyclictest8421-21chrt21:15:043
2811799472,31cyclictest17934-21chrt00:12:503
2811799472,28cyclictest917-21kworker/3:1+events21:02:283
2811799472,28cyclictest917-21kworker/3:1+events21:02:283
2811799464,32cyclictest6002-21chrt22:04:583
2811799463,32cyclictest22658-21chrt00:21:333
2811799463,29cyclictest1858-21chrt19:22:493
2811799462,32cyclictest13167-21chrt23:10:433
2811799462,30cyclictest27710-21chrt22:40:273
2811799462,30cyclictest27710-21chrt22:40:273
2811799452,30cyclictest29626-21chrt19:12:173
2811799452,28cyclictest917-21kworker/3:1+events19:27:323
2811799442,29cyclictest26286-21chrt23:32:403
2811799433,27cyclictest9675-21taskset19:47:403
2811799432,29cyclictest26608-21chrt20:38:303
2811799432,29cyclictest26608-21chrt20:38:303
2811799423,27cyclictest27634-21chrt20:42:313
2811799423,27cyclictest27634-21chrt20:42:313
2811799422,27cyclictest20708-21taskset20:22:313
2811799413,26cyclictest11141-21taskset19:52:343
2811799413,23cyclictest30465-21chrt20:50:573
2811799412,28cyclictest17435-21taskset20:12:263
2811799412,26cyclictest12783-21taskset19:57:363
2811799402,26cyclictest30830-21taskset20:52:273
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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