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2026-02-12 - 08:20
[ 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 50 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
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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