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2026-01-16 - 18:37
[ 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 Fri Jan 16, 2026 12:44:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
123649912758,15cyclictest12356-21cyclictest09:09:390
123649912758,15cyclictest12356-21cyclictest09:09:390
12364991233,58cyclictest6634-21ls12:24:370
123889911848,13cyclictest0-21swapper/209:39:012
10883211811,79sleep210887-21acpi07:04:122
123889911057,44cyclictest0-21swapper/207:54:052
123889910750,11cyclictest16984-21latency_hist11:49:042
123889910740,15cyclictest0-21swapper/209:29:222
123889910740,15cyclictest0-21swapper/209:29:222
1010621070,6sleep30-21swapper/309:46:103
1010621070,6sleep30-21swapper/309:46:103
1833721060,8sleep10-21swapper/109:04:051
1190721047,73sleep00-21swapper/007:04:510
123889910355,10cyclictest20431-21diskmemload11:54:242
123889910355,10cyclictest20431-21diskmemload11:54:242
123889910236,22cyclictest4922-21sh11:29:012
123889910048,14cyclictest200-21systemd-journal12:02:072
12364999858,32cyclictest20717-21latency_hist10:59:050
1153429712,56sleep10-21swapper/107:04:441
1238099964,52cyclictest24003-21expr10:10:141
12380999162,19cyclictest544-21cron12:14:011
12364999168,17cyclictest544-21cron12:34:010
1238099904,50cyclictest26251-21apt-get12:04:171
1238899895,39cyclictest19740-21diskmemload10:09:562
12380998917,36cyclictest0-21swapper/111:16:271
12380998822,32cyclictest5760-21ssh09:39:221
12364998763,17cyclictest12753-21fschecks_count07:09:220
12364998668,12cyclictest12356-21cyclictest11:26:280
12388998565,14cyclictest30961-21latency_hist08:04:052
12388998557,9cyclictest181rcu_preempt11:04:042
12388998557,9cyclictest181rcu_preempt11:04:042
12380998518,29cyclictest0-21swapper/108:34:011
12380998518,29cyclictest0-21swapper/108:34:011
12388998466,13cyclictest23888-21switchtime07:39:362
12364998463,15cyclictest3582-21idleruntime-cro08:19:020
12388998360,17cyclictest2036-21latency_hist08:14:042
12380998328,20cyclictest13546-21seq08:49:141
12380998324,25cyclictest352-21runrttasks09:24:471
12380998321,26cyclictest0-21swapper/107:09:161
12380998313,51cyclictest16178-21apt-get07:19:161
12380998313,33cyclictest0-21swapper/109:29:231
12380998313,33cyclictest0-21swapper/109:29:231
12364998369,8cyclictest0-21swapper/011:29:380
12364998369,8cyclictest0-21swapper/011:29:380
12364998362,15cyclictest18247-21latency_hist09:04:050
12388998259,17cyclictest9337-21sendmail_mailqu12:29:332
12388998257,17cyclictest19740-21diskmemload09:44:052
12380998260,14cyclictest200-21systemd-journal11:54:541
12380998260,14cyclictest200-21systemd-journal11:54:541
12380998257,19cyclictest3608-21sendmail08:19:021
12364998265,11cyclictest297-21systemd-logind11:14:020
12364998264,12cyclictest26641-21ntpq09:19:290
12380998155,17cyclictest2827-21ntp_kernel_pll_11:24:251
12380998126,24cyclictest16238-21ssh09:56:441
12380998126,24cyclictest16238-21ssh09:56:441
12380998125,23cyclictest6735-21sensors_temp10:34:361
12364998157,15cyclictest24350-21if_eth010:10:350
12388998063,11cyclictest0-21swapper/210:51:172
12388998063,11cyclictest0-21swapper/210:51:172
12388998059,14cyclictest0-21swapper/207:34:182
12388998059,10cyclictest0-21swapper/207:24:042
12388998057,13cyclictest0-21swapper/207:54:232
12388998057,13cyclictest0-21swapper/207:54:232
12388998034,25cyclictest0-21swapper/210:36:082
12380998031,36cyclictest0-21swapper/107:44:121
12380998026,18cyclictest11143-21modprobe09:49:011
12380998026,18cyclictest11143-21modprobe09:49:011
12380998020,26cyclictest0-21swapper/111:04:301
12388997958,12cyclictest0-21swapper/210:39:172
12380997958,14cyclictest12356-21cyclictest07:34:371
12380997934,36cyclictest0-21swapper/108:54:171
12380997925,21cyclictest16178-21apt-get07:19:041
12380997919,37cyclictest0-21swapper/111:44:271
12380997918,31cyclictest23574-21date11:04:041
12380997918,31cyclictest23574-21date11:04:041
12380997918,26cyclictest23304-21fschecks_count11:59:231
12364997957,16cyclictest13982-21latency_hist11:44:040
1236499793,63cyclictest14838-21apt-get07:14:240
12364997934,10cyclictest20482-21cstates10:04:180
12388997858,12cyclictest0-21swapper/210:19:282
12388997857,11cyclictest0-21swapper/207:34:042
12388997821,11cyclictest181rcu_preempt08:59:372
12380997838,30cyclictest23048-21kworker/u18:1+nfsiod12:22:161
12380997827,37cyclictest10255-21cat08:39:051
12380997821,24cyclictest0-21swapper/112:34:301
12380997821,24cyclictest0-21swapper/112:34:301
12380997817,28cyclictest32161-21apt-get12:14:111
12380997816,43cyclictest24661-21cat07:44:051
12364997858,13cyclictest15154-21ssh09:54:340
12364997858,13cyclictest15154-21ssh09:54:340
12364997842,28cyclictest12230-21ssh12:34:340
12364997842,28cyclictest12230-21ssh12:34:340
1239399773,31cyclictest14703-21chrt11:44:303
12388997761,9cyclictest0-21swapper/208:24:242
12388997761,9cyclictest0-21swapper/208:24:242
12388997758,9cyclictest0-21swapper/210:04:042
12388997757,12cyclictest0-21swapper/211:39:042
12388997755,12cyclictest0-21swapper/211:09:032
12388997748,12cyclictest181rcu_preempt09:07:082
12388997740,16cyclictest0-21swapper/208:14:322
12380997733,37cyclictest0-21swapper/109:14:171
12364997761,10cyclictest8356-21cstates11:34:170
12364997759,8cyclictest0-21swapper/009:18:110
12364997729,33cyclictest1960-21latency_hist08:14:050
12388997655,14cyclictest10255-21kworker/u17:2-xprtiod09:59:012
12388997655,14cyclictest10255-21kworker/u17:2-xprtiod09:59:012
12388997643,26cyclictest27963-21kworker/u19:0+nfsiod10:24:182
12388997635,12cyclictest181rcu_preempt09:51:142
12380997622,20cyclictest0-21swapper/110:39:221
12380997619,26cyclictest12151-21systemctl09:49:341
12364997654,17cyclictest12356-21cyclictest11:20:140
1239399753,22cyclictest21412-21chrt10:04:383
12388997555,14cyclictest32424-21basename11:19:022
12388997551,17cyclictest6294-21unixbench_singl11:29:382
12388997551,17cyclictest6294-21unixbench_singl11:29:382
12388997550,18cyclictest8422-21munin-run08:34:012
12388997550,18cyclictest8422-21munin-run08:34:012
12380997528,36cyclictest29572-21latency_hist07:59:051
12380997522,23cyclictest0-21swapper/108:06:241
12364997556,14cyclictest12356-21cyclictest10:27:410
12364997552,17cyclictest15001-21sh11:44:370
12364997552,14cyclictest32140-21/usr/sbin/munin12:14:280
12364997542,11cyclictest20080-21ssh10:04:020
12388997458,10cyclictest0-21swapper/209:49:032
12388997458,10cyclictest0-21swapper/209:49:032
12388997457,10cyclictest0-21swapper/212:04:312
12388997456,11cyclictest0-21swapper/211:24:042
12388997451,17cyclictest0-21swapper/207:19:052
12388997442,12cyclictest29595-21kworker/u17:3-rpciod10:17:402
12388997420,10cyclictest181rcu_preempt09:09:132
12388997420,10cyclictest181rcu_preempt09:09:132
12388997419,12cyclictest181rcu_preempt07:24:212
12388997416,10cyclictest181rcu_preempt12:19:012
12380997421,20cyclictest18921-21ntp_states09:04:311
12380997419,25cyclictest26440-21ssh09:19:251
12380997418,32cyclictest0-21swapper/112:29:221
12380997417,34cyclictest0-21swapper/110:04:051
1236499743,29cyclictest29104-21latency_hist12:09:040
1239399738,40cyclictest0-21swapper/310:09:243
1239399733,33cyclictest28462-21taskset12:07:483
12388997351,12cyclictest0-21swapper/207:49:052
12388997347,10cyclictest181rcu_preempt08:39:232
12388997339,8cyclictest0-21swapper/207:12:432
12380997327,38cyclictest6041-21sort11:29:361
12380997327,38cyclictest6041-21sort11:29:361
12380997322,21cyclictest17622-21ssh10:54:041
12380997322,21cyclictest17622-21ssh10:54:041
12380997319,23cyclictest6427-21systemctl12:24:351
12380997313,26cyclictest0-21swapper/110:05:521
12364997337,10cyclictest181rcu_preempt10:43:260
12364997335,12cyclictest181rcu_preempt11:02:320
12364997335,12cyclictest181rcu_preempt11:02:320
12364997325,34cyclictest29940-21timerandwakeup09:24:390
1236499732,44cyclictest31460-21apt-get08:04:190
12364997319,21cyclictest181rcu_preempt10:14:360
1239399723,31cyclictest30738-21taskset12:10:523
1239399723,30cyclictest6995-21chrt08:29:043
1239399723,30cyclictest6995-21chrt08:29:043
12388997254,9cyclictest0-21swapper/212:09:182
12388997253,13cyclictest12249-21unixbench_singl11:39:402
12388997249,15cyclictest5646-21munin-plugin-st10:34:012
12388997248,13cyclictest0-21swapper/209:24:372
12388997230,12cyclictest181rcu_preempt08:49:172
12380997255,11cyclictest859-21runrttasks11:20:571
12380997235,21cyclictest18315-21apt-get07:24:151
12380997234,33cyclictest0-21swapper/111:09:131
12380997234,23cyclictest27979-21apt-get07:54:131
12380997232,30cyclictest5165-21idleruntime-cro09:39:011
12380997231,34cyclictest0-21swapper/111:39:161
12380997219,29cyclictest0-21swapper/108:03:421
12364997254,13cyclictest22689-21kworker/u17:1+rpciod09:49:370
1236499724,57cyclictest12027-21cstates08:44:190
1239399713,31cyclictest12049-21chrt08:44:193
1239399712,33cyclictest28425-21chrt10:16:583
12388997143,15cyclictest0-21swapper/208:39:042
12388997133,8cyclictest181rcu_preempt11:51:032
12380997132,24cyclictest5476-21apt-get08:24:121
12380997132,24cyclictest5476-21apt-get08:24:121
12380997128,33cyclictest17225-21cstates11:49:161
12380997126,34cyclictest3869-21apt-get08:19:121
12380997123,28cyclictest10520-21cut08:39:231
12380997119,27cyclictest0-21swapper/110:27:481
12364997151,14cyclictest23219-21sh11:59:190
12364997145,8cyclictest181rcu_preempt11:58:240
12364997145,8cyclictest181rcu_preempt11:58:240
12364997137,25cyclictest0-21swapper/010:29:080
12364997131,12cyclictest0-21swapper/007:54:360
12364997131,12cyclictest0-21swapper/007:54:360
12364997127,8cyclictest181rcu_preempt09:44:190
12364997127,8cyclictest181rcu_preempt09:44:190
1239399703,20cyclictest26658-21chrt07:49:233
1239399702,31cyclictest18711-21taskset07:24:243
1239399702,31cyclictest10663-21taskset12:32:193
1239399702,26cyclictest23204-21chrt09:14:203
12388997055,8cyclictest0-21swapper/208:54:242
12388997047,17cyclictest26577-21sh09:19:292
12388997036,8cyclictest181rcu_preempt11:09:172
12380997030,33cyclictest188252/usr/sbin/munin10:54:371
12364997052,11cyclictest300-21rs:main0
1236499704,32cyclictest544-21cron07:29:020
1239399693,28cyclictest15048-21taskset10:49:193
1239399693,28cyclictest15048-21taskset10:49:193
1239399693,27cyclictest9219-21chrt08:34:313
1239399693,23cyclictest22486-21chrt07:34:373
1238899696,16cyclictest17831-21apt-get10:54:122
12388996935,14cyclictest20904-21/usr/sbin/munin10:04:282
12388996930,17cyclictest181rcu_preempt10:46:322
12388996928,17cyclictest181rcu_preempt08:44:332
12380996952,11cyclictest0-21swapper/107:54:021
12380996932,30cyclictest8462-21runrttasks11:34:221
12380996926,36cyclictest12229-21fschecks_time10:44:241
12380996916,22cyclictest0-21swapper/109:11:381
12380996916,22cyclictest0-21swapper/109:11:381
1236499695,42cyclictest352-21runrttasks12:21:250
12364996947,12cyclictest0-21swapper/008:34:010
12364996947,12cyclictest0-21swapper/008:34:010
12364996939,9cyclictest181rcu_preempt11:04:400
12364996939,10cyclictest0-21swapper/008:19:280
12364996928,8cyclictest181rcu_preempt09:34:420
1163426911,35sleep30-21swapper/307:04:463
1239399683,28cyclictest22166-21taskset11:57:313
1239399683,28cyclictest22166-21taskset11:57:313
1239399683,23cyclictest4251-21chrt09:36:293
1239399682,26cyclictest4889-21chrt12:22:433
1239399682,23cyclictest8098-21chrt09:43:553
1239399682,23cyclictest616-21taskset08:09:123
1238899683,53cyclictest30960-21apt-get08:04:162
12380996832,26cyclictest3447-21latency10:29:261
1236499684,33cyclictest29180-21/usr/sbin/munin12:09:260
12364996838,8cyclictest0-21swapper/008:54:240
12364996838,21cyclictest14267-21cat08:49:350
1236499683,44cyclictest29787-21fschecks_count07:59:230
285682670,6sleep30-21swapper/311:11:403
1239399677,32cyclictest0-21swapper/308:04:543
1239399673,27cyclictest32532-21taskset09:29:293
1239399673,27cyclictest32532-21taskset09:29:293
1239399673,24cyclictest17296-21chrt11:49:203
1239399673,23cyclictest20073-21chrt07:29:233
1239399672,28cyclictest30692-21chrt09:26:163
1238099672,42cyclictest12118-21fschecks_count08:44:231
12380996715,29cyclictest0-21swapper/110:19:171
12364996746,15cyclictest0-21swapper/007:19:580
12364996738,11cyclictest181rcu_preempt07:39:260
1236499673,44cyclictest9591-21unixbench_multi08:34:370
1239399663,24cyclictest16783-21chrt08:59:133
1239399662,24cyclictest26085-21taskset09:19:153
12388996646,7cyclictest181rcu_preempt12:27:212
12388996610,10cyclictest181rcu_preempt12:19:332
1238099663,42cyclictest1157-21ntp_states08:09:321
12380996630,27cyclictest20401-21awk07:29:321
12380996629,30cyclictest27276-21ssh10:14:351
1236499664,46cyclictest5467-21/usr/sbin/munin09:39:220
1236499664,41cyclictest803-21sendmail-mta07:34:480
1236499664,40cyclictest32525-21netstat09:29:280
1236499664,40cyclictest32525-21netstat09:29:280
1236499663,46cyclictest352-21runrttasks10:45:370
1239399653,25cyclictest27987-21chrt07:54:173
1239399653,25cyclictest27987-21chrt07:54:173
1239399653,24cyclictest10305-21chrt11:37:333
1239399653,23cyclictest8195-21chrt12:28:433
1239399652,24cyclictest6574-21chrt10:34:323
1239399652,24cyclictest3358-21chrt11:24:363
1239399652,23cyclictest25114-21taskset07:44:253
12388996538,8cyclictest181rcu_preempt12:34:062
12388996538,8cyclictest181rcu_preempt12:34:062
12364996527,10cyclictest181rcu_preempt10:53:200
12364996527,10cyclictest181rcu_preempt10:53:200
1239399643,24cyclictest12894-21taskset09:50:403
12388996418,33cyclictest23121-21cpuspeed09:14:182
12364996445,9cyclictest0-21swapper/010:34:120
12364996436,7cyclictest0-21swapper/011:50:430
1236499643,44cyclictest30071-21awk10:19:280
1236499643,41cyclictest29901-21df11:14:200
1236499643,31cyclictest5456-21/usr/sbin/munin08:24:230
1236499643,31cyclictest5456-21/usr/sbin/munin08:24:230
1239399639,14cyclictest0-21swapper/311:34:053
1239399633,24cyclictest32270-21chrt11:18:453
1239399633,24cyclictest18399-21taskset09:04:163
1239399633,23cyclictest12643-21taskset11:40:413
1239399632,25cyclictest8963-21chrt10:39:143
1239399632,23cyclictest8225-21chrt08:31:393
1239399632,23cyclictest8225-21chrt08:31:393
12364996340,12cyclictest0-21swapper/008:39:300
1239399622,25cyclictest11400-21chrt08:40:473
12393996211,13cyclictest0-21swapper/307:14:093
12393996210,12cyclictest0-21swapper/312:04:053
12388996245,9cyclictest0-21swapper/208:19:332
1236499623,32cyclictest18649-21fschecks_time09:04:240
1239399615,11cyclictest134552sleep312:36:493
1239399615,11cyclictest134552sleep312:36:493
1239399613,27cyclictest0-21swapper/307:19:173
1239399613,23cyclictest29694-21chrt10:19:213
1239399612,23cyclictest3362-21chrt08:16:253
1239399612,23cyclictest14295-21chrt10:48:183
12393996113,11cyclictest0-21swapper/310:00:143
1239399609,13cyclictest0-21swapper/309:09:373
1239399609,13cyclictest0-21swapper/309:09:373
1236499603,39cyclictest21481-21latency_hist07:34:050
1239399582,26cyclictest25618-21chrt11:06:413
12364995824,8cyclictest181rcu_preempt07:44:260
1239399572,24cyclictest1641-21chrt11:23:103
1239399546,13cyclictest0-21swapper/308:59:043
1239399533,38cyclictest21685-21taskset10:59:363
1239399533,38cyclictest21685-21taskset10:59:363
1239399523,35cyclictest24624-21chrt07:44:053
1239399503,33cyclictest32583-21chrt10:24:193
1239399502,31cyclictest29841-21taskset07:59:243
1239399493,30cyclictest4719-21taskset08:19:373
1239399492,34cyclictest14066-21chrt08:49:293
1239399492,34cyclictest12754-21chrt07:09:223
1239399483,35cyclictest775-21chrt12:14:373
1239399483,34cyclictest6888-21chrt11:31:133
1239399474,33cyclictest19716-21taskset10:56:533
1239399442,30cyclictest16515-21chrt09:57:323
1239399442,30cyclictest16515-21chrt09:57:323
1239399432,27cyclictest3093-21taskset10:29:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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