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2026-02-10 - 10:09
[ 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 Tue Feb 10, 2026 00:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24552212711,34sleep224555-21diskstats19:02:502
260069912144,20cyclictest5307-21idleruntime-cro19:42:250
26032991063,45cyclictest17159-21apt-get00:17:391
260069910666,9cyclictest181rcu_preempt21:47:300
1952621030,30sleep219529-21latency_hist22:32:282
26043991025,57cyclictest0-21swapper/323:57:253
26043991025,57cyclictest0-21swapper/323:57:253
260329910149,8cyclictest0-21swapper/122:32:341
260329910149,8cyclictest0-21swapper/122:32:341
26032999729,13cyclictest0-21swapper/122:38:031
26037999662,8cyclictest181rcu_preempt22:47:372
26032999638,12cyclictest21055-21ssh00:22:491
26032999539,14cyclictest0-21swapper/100:07:571
26032999538,14cyclictest25980-21cyclictest21:46:291
26032999538,14cyclictest25980-21cyclictest21:46:291
2460029010,54sleep124656-21/usr/sbin/munin19:02:531
26032998966,12cyclictest0-21swapper/122:17:261
26032998942,10cyclictest200-21systemd-journal20:43:041
2600699893,49cyclictest10745-21apt-get22:17:400
26006998916,51cyclictest8439-21sh23:08:010
2604399889,60cyclictest17854-21chrt00:17:583
26006998870,12cyclictest8290-21ssh22:13:000
26037998751,9cyclictest181rcu_preempt19:17:402
26037998751,9cyclictest181rcu_preempt19:17:402
26006998770,10cyclictest0-21swapper/021:42:590
26006998770,10cyclictest0-21swapper/021:42:590
26032998668,12cyclictest5263-40ogrotate23:57:241
26032998668,12cyclictest5263-40ogrotate23:57:241
26006998554,9cyclictest181rcu_preempt19:07:310
2603299843,50cyclictest8286-21apt-get23:07:501
26032998324,24cyclictest0-21swapper/123:22:511
26006998366,11cyclictest20987-21ssh00:22:480
26006998358,14cyclictest0-21swapper/020:07:470
26006998349,26cyclictest27137-21ssh23:38:020
26006998349,26cyclictest27137-21ssh23:38:020
26006998344,8cyclictest181rcu_preempt21:02:400
26032998238,14cyclictest181rcu_preempt20:52:471
2603299822,42cyclictest5071-21kworker/u17:0+ext4-rsv-conversion21:17:491
26006998249,16cyclictest181rcu_preempt22:43:270
26006998249,16cyclictest181rcu_preempt22:43:270
26006998241,7cyclictest181rcu_preempt22:52:440
26006998241,7cyclictest181rcu_preempt22:52:440
26037998163,11cyclictest297-21systemd-logind00:02:252
26032998125,25cyclictest0-21swapper/119:08:161
26006998155,11cyclictest181rcu_preempt19:27:270
26037998040,8cyclictest181rcu_preempt19:22:392
26006998059,12cyclictest0-21swapper/020:27:270
26006998045,7cyclictest181rcu_preempt21:12:290
26006997958,13cyclictest0-21swapper/020:12:550
26006997958,13cyclictest0-21swapper/020:12:550
26006997957,13cyclictest0-21swapper/019:12:290
26006997956,14cyclictest29180-21timerwakeupswit19:13:040
26006997949,7cyclictest181rcu_preempt22:08:010
26006997936,8cyclictest181rcu_preempt20:32:460
26006997844,8cyclictest181rcu_preempt21:32:380
26006997844,8cyclictest181rcu_preempt21:32:380
26006997844,7cyclictest181rcu_preempt19:47:530
26006997844,7cyclictest181rcu_preempt19:47:530
26043997727,35cyclictest0-21swapper/323:07:433
26037997756,14cyclictest12804-21latency_hist21:27:272
26037997756,14cyclictest12804-21latency_hist21:27:272
26032997751,19cyclictest10366-21fschecks_time21:22:491
26032997751,19cyclictest10366-21fschecks_time21:22:491
26032997734,18cyclictest31125-21ssh22:52:051
26032997733,15cyclictest181rcu_preempt23:35:131
26006997742,10cyclictest181rcu_preempt21:38:040
26006997739,9cyclictest3565-21kworker/u18:1-flush-0:3222:25:510
26006997739,9cyclictest3565-21kworker/u18:1-flush-0:3222:25:510
2604399763,46cyclictest0-21swapper/322:17:453
2603299763,54cyclictest10768-21rm22:17:401
26006997658,12cyclictest3853-21apt-get21:12:400
26006997642,7cyclictest181rcu_preempt21:18:080
26037997558,11cyclictest200-21systemd-journal00:17:142
26037997555,14cyclictest16363-21cron22:27:242
26037997555,14cyclictest16363-21cron22:27:242
26032997551,15cyclictest539-21diskmemload21:07:491
26006997542,7cyclictest181rcu_preempt00:12:580
2604399748,36cyclictest71882sleep321:17:493
26037997459,9cyclictest27648-21timerwakeupswit00:33:012
26032997439,7cyclictest181rcu_preempt22:46:401
26032997439,7cyclictest181rcu_preempt22:46:401
26032997437,8cyclictest181rcu_preempt19:47:531
26032997437,8cyclictest181rcu_preempt19:47:531
26006997456,12cyclictest16667-21/usr/sbin/munin22:28:030
26006997438,28cyclictest0-21swapper/022:47:480
26006997436,7cyclictest181rcu_preempt20:57:430
26037997356,11cyclictest12086-21switchtime23:12:582
26037997356,11cyclictest12086-21switchtime23:12:582
26032997338,13cyclictest181rcu_preempt00:30:271
26032997338,13cyclictest181rcu_preempt00:30:271
26006997339,10cyclictest181rcu_preempt00:31:120
26006997339,10cyclictest181rcu_preempt00:31:120
2604399724,51cyclictest26821-21taskset21:50:013
26032997253,13cyclictest803-21sendmail-mta20:23:411
26032997247,12cyclictest181rcu_preempt21:49:261
26006997256,10cyclictest20310-21ssh22:32:570
26006997256,10cyclictest20310-21ssh22:32:570
26006997240,7cyclictest181rcu_preempt23:57:400
26006997237,7cyclictest181rcu_preempt23:53:020
26006997237,7cyclictest181rcu_preempt23:53:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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