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2026-02-19 - 19:01
[ 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 19, 2026 12:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2457991213,69cyclictest13167-21apt-get09:12:091
209721086,18sleep20-21swapper/207:03:522
185421089,69sleep11936-21/usr/sbin/munin07:02:331
2631421010,7sleep1291rcuc/109:33:271
2468999753,19cyclictest39-21ksoftirqd/208:17:022
245799974,41cyclictest20915-21latency_hist08:01:491
2457999638,12cyclictest0-21swapper/107:36:491
2457999543,15cyclictest10761-21ssh09:07:211
245799953,35cyclictest22136-21ls11:17:221
245799932,44cyclictest21748-21processes08:02:201
245799892,48cyclictest5589-21tail07:12:251
2451998934,26cyclictest15-21ksoftirqd/012:33:050
12602889,56sleep30-21swapper/307:02:143
2468998768,13cyclictest277-21dbus-daemon11:51:482
245799873,58cyclictest719-21ssh11:37:061
245799873,34cyclictest21303-21ssh12:11:501
245799873,34cyclictest21303-21ssh12:11:501
245799867,41cyclictest6682-21apt-get08:57:021
245799867,41cyclictest6682-21apt-get08:57:021
2468998536,18cyclictest181rcu_preempt10:57:212
2457998560,19cyclictest4627-21fschecks_time09:52:101
245799853,51cyclictest9565-21apt-get11:52:041
2451998528,30cyclictest15-21ksoftirqd/008:21:500
2468998463,15cyclictest13505-21timerandwakeup11:02:232
2468998463,15cyclictest13505-21timerandwakeup11:02:232
2468998462,16cyclictest7947-21apt-key07:21:512
2468998462,16cyclictest7947-21apt-key07:21:512
2468998447,9cyclictest181rcu_preempt09:17:172
245799842,43cyclictest200-21systemd-journal10:17:061
2468998342,10cyclictest181rcu_preempt07:36:472
2457998332,15cyclictest0-21swapper/109:42:011
2451998326,26cyclictest15-21ksoftirqd/010:17:200
247899812,43cyclictest0-21swapper/309:12:093
2468998166,9cyclictest15354-21cat12:01:502
2468998166,9cyclictest15354-21cat12:01:502
2468998160,15cyclictest9524-21latency_hist10:56:492
2468998160,15cyclictest9524-21latency_hist10:56:492
2451998159,15cyclictest7288-21sh09:57:010
2451998158,8cyclictest181rcu_preempt11:07:220
2451998143,11cyclictest181rcu_preempt08:01:270
2451998129,25cyclictest15-21ksoftirqd/007:47:200
2451998129,25cyclictest15-21ksoftirqd/007:47:200
2451998124,26cyclictest15-21ksoftirqd/012:00:100
2451998124,26cyclictest15-21ksoftirqd/012:00:100
2468998061,13cyclictest20990-21kworker/u17:4+ext4-rsv-conversion11:37:302
2457998059,12cyclictest297-21systemd-logind08:46:481
245799802,39cyclictest10062-21rm10:57:091
2451998050,9cyclictest181rcu_preempt10:40:100
2468997926,13cyclictest0-21swapper/208:21:592
2457997955,15cyclictest16371-21ssh12:02:591
2457997947,10cyclictest181rcu_preempt07:37:161
245199793,29cyclictest21550-21apt-get12:12:040
245199793,29cyclictest21550-21apt-get12:12:040
2451997925,20cyclictest15-21ksoftirqd/010:47:210
2468997850,21cyclictest22412-21interrupts12:13:352
2468997850,21cyclictest22412-21interrupts12:13:352
2457997858,14cyclictest26190-21fschecks_count08:17:091
2457997854,16cyclictest0-21swapper/111:57:191
2457997854,16cyclictest0-21swapper/111:57:191
245199784,44cyclictest15-21ksoftirqd/009:24:160
245199784,32cyclictest15-21ksoftirqd/009:32:150
2468997752,16cyclictest32055-21ssh10:38:262
245799776,40cyclictest28028-21apt-get09:37:001
2457997715,30cyclictest9646-21diskmemload10:42:091
2457997715,30cyclictest9646-21diskmemload10:42:091
2451997757,13cyclictest20777-21sh11:16:090
2451997737,17cyclictest181rcu_preempt09:40:300
2468997633,33cyclictest9458-21kworker/u19:0+nfsiod10:12:152
2457997657,12cyclictest10051-21kworker/u19:1+flush-179:012:12:021
2457997657,12cyclictest10051-21kworker/u19:1+flush-179:012:12:021
245799762,38cyclictest6553-21fschecks_time07:17:091
245799762,38cyclictest6553-21fschecks_time07:17:091
128927613,30sleep00-21swapper/007:02:150
2468997553,9cyclictest181rcu_preempt07:41:502
2457997550,18cyclictest18943-21latency_hist10:16:501
2457997549,19cyclictest9295-21apt-key11:51:511
2451997543,13cyclictest181rcu_preempt11:51:300
247899743,35cyclictest15215-21chrt11:06:473
247899743,35cyclictest15215-21chrt11:06:473
2468997459,9cyclictest18379-21ntp_kernel_pll_07:52:132
2468997431,33cyclictest19051-21kworker/u19:1+nfsiod10:42:212
2468997431,33cyclictest19051-21kworker/u19:1+nfsiod10:42:212
2457997444,20cyclictest24225-21acpi11:21:591
245199747,33cyclictest15-21ksoftirqd/007:17:020
245199747,33cyclictest15-21ksoftirqd/007:17:020
2451997455,12cyclictest352-21runrttasks07:31:570
2451997437,12cyclictest181rcu_preempt09:54:580
322092732,20sleep232233-21latency_hist08:36:492
2468997345,9cyclictest181rcu_preempt09:02:042
245799732,51cyclictest30981-21fschecks_count08:32:081
245199736,36cyclictest15-21ksoftirqd/009:27:000
245199736,36cyclictest15-21ksoftirqd/009:27:000
2451997352,15cyclictest32720-21apt-key11:36:500
2468997258,9cyclictest2099-21ntp_kernel_pll_08:42:162
2468997255,12cyclictest7117-21latency_hist09:56:502
2468997251,12cyclictest24028-21ssh09:30:162
2468997251,12cyclictest24028-21ssh09:30:162
2468997247,8cyclictest181rcu_preempt09:32:532
246899722,45cyclictest14361-21grep09:12:442
2457997236,10cyclictest181rcu_preempt08:07:221
2451997250,15cyclictest511-21latency_hist12:31:490
245199723,46cyclictest15-21ksoftirqd/008:32:240
245199723,28cyclictest27785-21latency12:22:110
245199723,28cyclictest27785-21latency12:22:110
2451997225,25cyclictest181rcu_preempt11:31:300
2451997215,18cyclictest15-21ksoftirqd/008:37:100
2468997155,12cyclictest2442-21cyclictest12:03:032
2468997154,11cyclictest4242-21munin-node10:17:032
245799714,39cyclictest25501-21/usr/sbin/munin12:17:241
2451997150,15cyclictest24515-21idleruntime-cro10:26:470
2451997150,15cyclictest24515-21idleruntime-cro10:26:470
245199713,33cyclictest15-21ksoftirqd/010:06:500
247899703,34cyclictest9935-21taskset10:57:063
2468997050,8cyclictest39-21ksoftirqd/210:03:342
2468997041,9cyclictest181rcu_preempt08:54:352
2468997026,9cyclictest181rcu_preempt07:07:132
2468997026,9cyclictest181rcu_preempt07:07:132
2457997050,15cyclictest2442-21cyclictest08:22:221
2457997046,11cyclictest181rcu_preempt10:30:361
2457997045,12cyclictest0-21swapper/110:02:251
245799702,38cyclictest29991-21apt-get11:31:581
2451997053,11cyclictest6818-21cpu08:58:280
2451997053,11cyclictest6818-21cpu08:58:280
2451997050,14cyclictest25678-21threads10:27:230
2451997049,15cyclictest19377-21latency_hist07:56:500
2451997042,9cyclictest58-21kcompactd010:12:590
245199703,39cyclictest15-21ksoftirqd/009:17:220
245199703,34cyclictest15-21ksoftirqd/011:06:500
245199703,34cyclictest15-21ksoftirqd/011:06:500
245199702,30cyclictest15-21ksoftirqd/009:12:560
2451997016,22cyclictest15-21ksoftirqd/008:27:020
2451997013,34cyclictest15-21ksoftirqd/011:52:170
247899693,33cyclictest4016-21taskset11:42:223
247899693,32cyclictest8013-21taskset11:48:473
2468996955,9cyclictest2442-21cyclictest11:36:312
2468996954,10cyclictest9338-21ssh10:00:152
2468996935,23cyclictest4776-21latency_hist08:51:512
2457996945,16cyclictest25617-21kworker/u17:2-xprtiod11:27:031
2457996945,14cyclictest15028-21ssh11:06:151
2457996945,14cyclictest15028-21ssh11:06:151
245799694,30cyclictest28629-21ssh12:22:591
245799694,30cyclictest28629-21ssh12:22:591
2451996954,9cyclictest15584-21unixbench_singl07:42:230
2451996954,9cyclictest13382-21ssh10:07:090
2451996954,9cyclictest13382-21ssh10:07:090
245199694,55cyclictest27028-21latency_hist12:21:490
245199694,40cyclictest15-21ksoftirqd/007:12:010
2451996942,7cyclictest181rcu_preempt07:07:230
2451996942,7cyclictest181rcu_preempt07:07:230
2451996940,9cyclictest181rcu_preempt08:15:590
2451996940,9cyclictest181rcu_preempt08:15:590
2451996939,7cyclictest181rcu_preempt08:44:050
245199692,44cyclictest15-21ksoftirqd/008:03:410
2451996924,24cyclictest15-21ksoftirqd/012:02:470
247899683,52cyclictest16146-21chrt10:12:043
247899683,34cyclictest32577-21taskset11:36:463
247899683,34cyclictest24180-21chrt12:16:473
247899683,34cyclictest24180-21chrt12:16:473
247899683,34cyclictest14816-21chrt10:09:133
247899683,34cyclictest14816-21chrt10:09:133
247899683,33cyclictest28058-21taskset09:37:023
247899683,33cyclictest19226-21chrt10:16:593
247899682,34cyclictest24870-21chrt09:31:593
2478996813,34cyclictest0-21swapper/311:37:033
2468996852,10cyclictest181rcu_preempt09:41:482
2468996850,12cyclictest298-21in:imuxsock07:16:482
2457996853,11cyclictest2442-21cyclictest12:31:491
2457996846,16cyclictest18393-21ntp_kernel_pll_07:52:131
245799683,44cyclictest885-21tail08:37:251
245799683,36cyclictest352-21runrttasks08:54:171
245799682,50cyclictest21918-21/usr/sbin/munin09:27:101
245799682,50cyclictest21918-21/usr/sbin/munin09:27:101
245799682,32cyclictest27508-21kworker/u17:1+flush-0:3209:50:321
2451996853,11cyclictest2442-21cyclictest07:27:140
2451996853,11cyclictest2442-21cyclictest07:27:140
2451996852,9cyclictest3961-21ssh11:42:210
2451996852,10cyclictest2442-21cyclictest10:45:580
2451996852,10cyclictest2442-21cyclictest10:45:580
245199684,54cyclictest24947-21sendmail_mailst11:22:220
245199684,30cyclictest15-21ksoftirqd/010:57:100
2451996838,15cyclictest181rcu_preempt08:51:120
245199683,36cyclictest15-21ksoftirqd/009:11:490
245199683,35cyclictest9422-21munin-plugin-st10:56:470
245199683,35cyclictest9422-21munin-plugin-st10:56:470
245199682,28cyclictest15-21ksoftirqd/011:17:020
2451996820,26cyclictest15-21ksoftirqd/010:32:120
2451996820,26cyclictest15-21ksoftirqd/010:32:120
2451996819,27cyclictest15-21ksoftirqd/012:09:120
2451996819,27cyclictest15-21ksoftirqd/012:09:120
2451996818,28cyclictest15-21ksoftirqd/007:41:200
2451996812,41cyclictest1691-21grep11:38:210
247899674,31cyclictest9825-21taskset11:52:193
247899674,31cyclictest28309-21chrt10:32:173
247899674,31cyclictest28309-21chrt10:32:173
247899673,42cyclictest15614-21chrt12:02:073
247899673,31cyclictest6334-21chrt07:17:033
247899673,31cyclictest6334-21chrt07:17:033
247899673,31cyclictest19566-21chrt12:07:303
247899673,31cyclictest19566-21chrt12:07:303
247899672,34cyclictest2740-21chrt09:48:043
247899672,33cyclictest21677-21taskset08:02:193
2468996756,7cyclictest0-21swapper/210:32:122
2468996756,7cyclictest0-21swapper/210:32:122
2468996753,8cyclictest30288-21sh12:27:032
2468996752,9cyclictest0-21swapper/210:22:222
2468996752,9cyclictest0-21swapper/210:22:222
2468996747,15cyclictest10027-21fschecks_time07:27:102
2468996747,15cyclictest10027-21fschecks_time07:27:102
2468996739,21cyclictest9878-21sh11:52:222
2468996735,8cyclictest181rcu_preempt10:07:462
2468996735,8cyclictest181rcu_preempt10:07:462
2457996749,11cyclictest297-21systemd-logind10:56:481
2457996749,11cyclictest297-21systemd-logind10:56:481
2457996746,9cyclictest0-21swapper/109:22:231
2457996736,9cyclictest181rcu_preempt11:07:171
2457996734,10cyclictest181rcu_preempt10:24:271
2457996734,10cyclictest181rcu_preempt10:24:271
245799672,27cyclictest29958-21awk08:27:211
2457996719,27cyclictest8285-21/usr/sbin/munin09:02:071
2457996717,11cyclictest181rcu_preempt10:35:421
2457996717,11cyclictest181rcu_preempt10:35:421
245199673,42cyclictest15-21ksoftirqd/008:11:470
247899663,33cyclictest12768-21taskset07:36:473
247899663,31cyclictest8680-21chrt07:22:583
247899663,31cyclictest8680-21chrt07:22:583
247899663,31cyclictest6690-21chrt08:57:023
247899663,31cyclictest6690-21chrt08:57:023
2468996651,9cyclictest24825-21/usr/sbin/munin12:17:102
2468996648,12cyclictest3698-21ssh11:42:152
2468996647,14cyclictest25287-21latency10:27:132
2468996645,14cyclictest16126-21latency_hist07:46:502
2468996638,20cyclictest21211-21apt-key12:11:502
2468996638,20cyclictest21211-21apt-key12:11:502
2457996647,10cyclictest0-21swapper/108:47:091
2457996646,11cyclictest0-21swapper/109:57:221
2457996641,16cyclictest0-21swapper/107:31:471
2457996641,16cyclictest0-21swapper/107:31:471
245799663,42cyclictest3997-21munin-run07:11:471
245799663,42cyclictest3997-21munin-run07:11:471
245799663,24cyclictest617-21runrttasks12:31:531
245199664,52cyclictest2219-21switchtime09:47:200
245199664,31cyclictest9691-21unin-run09:06:480
2451996637,8cyclictest181rcu_preempt08:52:050
2451996625,21cyclictest27801-21fschecks_count08:22:080
247899653,30cyclictest17349-21chrt09:17:483
247899653,30cyclictest13142-21chrt07:37:033
247899653,30cyclictest12726-21chrt10:06:373
247899652,30cyclictest6880-21chrt09:56:403
247899652,30cyclictest26334-21chrt12:19:433
247899652,30cyclictest1248-21taskset08:40:583
2468996547,11cyclictest1114-21systemd-run09:46:482
2468996544,10cyclictest0-21swapper/207:26:502
2468996544,10cyclictest0-21swapper/207:26:502
2468996543,16cyclictest21367-21fschecks_time08:02:102
2468996534,7cyclictest181rcu_preempt08:41:482
2468996533,26cyclictest9942-21kworker/u19:0+nfsiod12:32:042
2468996529,8cyclictest181rcu_preempt11:15:532
2468996526,17cyclictest2442-21cyclictest11:25:402
2457996546,11cyclictest19457-21head11:12:231
2457996536,8cyclictest181rcu_preempt07:42:021
245799653,45cyclictest9663-21latency_hist07:26:501
245799653,45cyclictest9663-21latency_hist07:26:501
245799653,23cyclictest30817-21rm10:37:071
245199653,30cyclictest15-21ksoftirqd/009:42:140
247899643,30cyclictest29150-21chrt11:30:143
247899643,30cyclictest27213-21chrt10:31:163
247899642,32cyclictest14984-21chrt12:01:403
247899642,32cyclictest14984-21chrt12:01:403
247899642,29cyclictest20651-21chrt09:23:563
2468996450,8cyclictest23569-21ssh11:20:472
2468996449,10cyclictest23092-21kernelversion08:07:122
2468996442,7cyclictest181rcu_preempt09:26:312
2468996441,17cyclictest29805-21latency_hist11:31:512
2468996436,20cyclictest10447-21diskmemload09:07:122
246899642,25cyclictest2110-21mailstats09:47:192
2468996419,10cyclictest181rcu_preempt07:47:262
2468996419,10cyclictest181rcu_preempt07:47:262
2457996410,34cyclictest25730-21sendmail08:16:471
2457996410,34cyclictest25730-21sendmail08:16:471
245199643,47cyclictest8859-21mailstats07:23:050
245199643,47cyclictest8859-21mailstats07:23:050
247899634,29cyclictest562-21chrt09:45:173
247899633,35cyclictest26295-21taskset11:25:193
247899632,30cyclictest27301-21chrt08:21:343
247899632,29cyclictest17084-21chrt11:08:463
2468996343,7cyclictest181rcu_preempt08:27:092
2468996342,14cyclictest4387-21latency10:47:122
2468996330,9cyclictest21667-21kworker/u17:0-nfsiod12:24:552
2468996330,9cyclictest21667-21kworker/u17:0-nfsiod12:24:552
2468996324,8cyclictest181rcu_preempt11:08:152
2457996342,13cyclictest9646-21diskmemload10:10:211
2457996342,13cyclictest9646-21diskmemload10:10:211
245799632,40cyclictest4617-21grep10:47:191
245799632,34cyclictest16196-21awk09:17:031
247899622,32cyclictest32268-21taskset12:30:133
2468996219,9cyclictest181rcu_preempt08:57:002
2468996219,9cyclictest181rcu_preempt08:57:002
245799623,31cyclictest17616-21modprobe07:51:471
245799623,31cyclictest17616-21modprobe07:51:471
245799623,21cyclictest4145-21ssh11:42:261
247899613,30cyclictest20766-21chrt11:16:073
247899612,25cyclictest32603-21chrt10:40:033
247899604,26cyclictest20762-21chrt08:00:323
247899604,25cyclictest10981-21chrt09:07:233
247899603,41cyclictest3586-21taskset07:07:233
247899603,41cyclictest3586-21taskset07:07:233
247899603,25cyclictest8384-21chrt10:53:463
247899603,25cyclictest8384-21chrt10:53:463
247899603,25cyclictest21901-21taskset10:21:553
247899603,25cyclictest21901-21taskset10:21:553
247899603,24cyclictest29663-21chrt08:27:143
247899602,26cyclictest8776-21chrt09:58:343
247899602,26cyclictest4817-21chrt08:52:003
2468996030,8cyclictest181rcu_preempt08:12:112
2468996030,8cyclictest181rcu_preempt08:12:112
2468996012,21cyclictest19669-21df_inode07:57:052
247899594,26cyclictest2778-21chrt08:44:513
247899594,23cyclictest11069-21chrt07:31:203
247899594,23cyclictest11069-21chrt07:31:203
247899593,39cyclictest27675-21taskset08:22:033
247899593,24cyclictest14781-21chrt07:42:063
247899593,23cyclictest29115-21chrt12:24:253
247899593,23cyclictest29115-21chrt12:24:253
247899593,22cyclictest6239-21chrt07:16:503
247899593,22cyclictest4565-21chrt10:47:173
247899593,21cyclictest19289-21chrt07:56:483
247899592,31cyclictest23038-21taskset11:19:113
247899592,24cyclictest2860-21chrt10:44:293
247899592,24cyclictest2860-21chrt10:44:293
247899592,23cyclictest21895-21chrt09:26:523
247899592,23cyclictest21895-21chrt09:26:523
247899583,23cyclictest16213-21chrt07:46:563
247899583,23cyclictest16213-21chrt07:46:563
247899582,23cyclictest8308-21chrt09:02:003
247899582,21cyclictest3704-21chrt08:47:143
247899572,24cyclictest1822-21chrt12:32:363
247899572,22cyclictest22719-21chrt08:06:523
247899563,43cyclictest0-21swapper/308:12:083
247899563,43cyclictest0-21swapper/308:12:083
247899562,22cyclictest31841-21chrt08:32:573
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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