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2026-01-14 - 18:23
[ 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 100 highest latencies:
System rackbslot7.osadl.org (updated Wed Jan 14, 2026 12:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
63921540,11sleep0640-21apt-config07:09:120
63921540,11sleep0640-21apt-config07:09:120
8319911037,19cyclictest0-21swapper/210:20:352
8319911037,19cyclictest0-21swapper/210:20:352
831991078,51cyclictest9896-21seq07:34:382
831991033,73cyclictest32059-21ssh09:50:172
831991033,73cyclictest32059-21ssh09:50:172
831991033,42cyclictest7973-21latency_hist07:29:132
831991033,42cyclictest7973-21latency_hist07:29:132
83199973,39cyclictest22178-21grep08:09:442
809999417,33cyclictest31143-21apt-get12:29:230
831999167,15cyclictest24011-21latency10:29:352
831999165,17cyclictest9481-21apt-key07:34:122
831999150,10cyclictest181rcu_preempt09:30:512
821999071,11cyclictest21678-21ssh12:14:101
821999020,35cyclictest31-21ksoftirqd/111:19:121
70629013,50sleep1724-21apt-config07:09:141
70629013,50sleep1724-21apt-config07:09:141
831998963,18cyclictest1-21systemd07:23:292
831998963,18cyclictest1-21systemd07:23:292
83199892,75cyclictest22179-21apt-get12:14:302
821998953,14cyclictest181rcu_preempt12:21:381
82199882,49cyclictest31-21ksoftirqd/109:51:011
82199882,49cyclictest31-21ksoftirqd/109:51:011
831998759,19cyclictest352-21runrttasks12:31:362
80999878,32cyclictest18190-21apt-get07:59:210
80999878,32cyclictest18190-21apt-get07:59:210
809998764,17cyclictest28297-21latency_hist09:44:140
831998670,9cyclictest39-21ksoftirqd/208:39:452
82199866,55cyclictest31-21ksoftirqd/109:46:031
821998629,33cyclictest31-21ksoftirqd/112:27:411
809998667,13cyclictest365-21ntpd09:19:340
809998667,13cyclictest365-21ntpd09:19:340
809998627,13cyclictest0-21swapper/010:24:210
809998616,32cyclictest17736-21fschecks_time09:24:320
831998564,12cyclictest200-21systemd-journal12:29:082
809998563,16cyclictest24869-21sendmail12:19:090
809998513,24cyclictest25054-21cat08:19:350
831998458,18cyclictest8086-21diskmemload11:18:552
821998428,23cyclictest31-21ksoftirqd/107:28:431
821998428,23cyclictest31-21ksoftirqd/107:28:431
821998354,12cyclictest181rcu_preempt10:39:241
821998339,12cyclictest181rcu_preempt09:23:201
821998339,12cyclictest181rcu_preempt09:23:201
809998361,16cyclictest544-21cron08:09:090
809998361,16cyclictest544-21cron08:09:090
831998146,14cyclictest5267-21ssh11:45:072
831998123,14cyclictest181rcu_preempt08:49:242
82199814,50cyclictest31-21ksoftirqd/110:32:131
821998132,11cyclictest0-21swapper/107:39:221
821998132,11cyclictest0-21swapper/107:39:221
809998156,18cyclictest21676-21fschecks_time08:09:310
809998121,38cyclictest0-21swapper/011:29:190
82199803,49cyclictest31-21ksoftirqd/109:29:371
809998046,25cyclictest7457-21cat09:04:430
809998040,36cyclictest785-21cyclictest10:09:270
809998022,32cyclictest0-21swapper/011:25:070
809998022,32cyclictest0-21swapper/011:25:070
831997933,9cyclictest181rcu_preempt10:24:462
821997960,14cyclictest12231-21switchtime09:14:431
821997943,7cyclictest181rcu_preempt10:20:551
821997943,7cyclictest181rcu_preempt10:20:551
821997936,10cyclictest24426-21systemd-run08:19:111
821997922,30cyclictest31-21ksoftirqd/110:24:261
821997911,24cyclictest31-21ksoftirqd/109:24:181
809997957,15cyclictest12541-21sh09:14:510
809997940,30cyclictest18066-21ssh11:14:120
322682799,47sleep232314-21sendmail_mailqu07:04:502
322682799,47sleep232314-21sendmail_mailqu07:04:502
831997858,12cyclictest39-21ksoftirqd/211:32:592
831997851,19cyclictest17761-21fschecks_time09:24:322
831997849,21cyclictest12187-21timerandwakeup10:09:472
831997836,29cyclictest1264-21apt-get11:40:292
831997829,10cyclictest181rcu_preempt09:44:172
821997843,10cyclictest181rcu_preempt10:10:181
821997810,26cyclictest31-21ksoftirqd/108:19:261
84799773,32cyclictest15946-21chrt12:04:143
84799772,32cyclictest714-21taskset08:44:353
831997751,18cyclictest17157-21gpgv10:19:132
831997751,18cyclictest17157-21gpgv10:19:132
83199773,38cyclictest30499-21ssh10:39:442
821997757,14cyclictest1807-21sh12:34:251
821997750,8cyclictest181rcu_preempt10:50:131
821997721,33cyclictest31-21ksoftirqd/107:49:261
821997718,35cyclictest31-21ksoftirqd/108:43:021
831997637,20cyclictest0-21swapper/211:24:442
831997637,20cyclictest0-21swapper/211:24:442
83199763,54cyclictest19101-21tail07:59:462
83199763,54cyclictest19101-21tail07:59:462
83199763,45cyclictest21724-21rm11:19:322
83199763,45cyclictest21724-21rm11:19:322
83199762,40cyclictest2632-21latency_hist07:14:132
821997646,8cyclictest181rcu_preempt09:06:221
821997638,21cyclictest17055-21http10:19:101
821997638,21cyclictest17055-21http10:19:101
821997619,36cyclictest31-21ksoftirqd/108:44:421
821997618,32cyclictest31-21ksoftirqd/112:15:031
809997658,12cyclictest1173-21unixbench_multi08:44:450
84799753,34cyclictest19692-21chrt10:22:403
84799753,34cyclictest19692-21chrt10:22:403
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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