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2026-03-02 - 07:22
[ 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 Mon Mar 02, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
690921090,8sleep30-21swapper/321:31:223
690921090,8sleep30-21swapper/321:31:223
1479521079,67sleep114868-21ls19:01:251
1627199984,82cyclictest19986-21apt-get22:46:232
16269999466,19cyclictest28518-21latency_hist23:02:441
16269999466,19cyclictest28518-21latency_hist23:02:441
16269999365,19cyclictest544-21cron20:21:051
16263999265,19cyclictest8016-21kworker/u19:2+events_unbound00:16:050
1567429112,43sleep015762-21unixbench_singl19:01:530
16263999056,12cyclictest181rcu_preempt23:46:060
16269998862,18cyclictest23485-21latency_hist19:26:091
16271998755,25cyclictest1-21systemd22:26:432
16269998757,9cyclictest181rcu_preempt20:56:371
16269998757,9cyclictest181rcu_preempt20:56:371
16263998726,8cyclictest181rcu_preempt20:21:400
16269998655,10cyclictest181rcu_preempt21:41:151
16269998655,10cyclictest181rcu_preempt21:41:151
16271998558,18cyclictest12510-21sh21:41:072
16271998514,35cyclictest23608-21diskmemload22:42:462
16269998565,14cyclictest14722-21fschecks_time00:26:251
16269998560,9cyclictest181rcu_preempt23:29:181
16269998554,10cyclictest58-21kcompactd019:52:391
16269998538,8cyclictest181rcu_preempt19:17:131
16263998529,32cyclictest5272-21cpu23:16:200
16263998529,32cyclictest5272-21cpu23:16:200
1494428525,27sleep20-21swapper/219:01:302
16271998467,11cyclictest8197-21munin-run00:16:052
16271998458,19cyclictest352-21runrttasks21:46:392
16263998465,10cyclictest24440-21latency_hist22:01:070
16271998369,10cyclictest16252-21cyclictest22:16:152
16271998361,16cyclictest13798-21idleruntime-cro23:31:052
16271998359,17cyclictest28618-21/usr/sbin/munin23:02:362
16271998359,17cyclictest28618-21/usr/sbin/munin23:02:362
16271998340,30cyclictest0-21swapper/222:41:092
16269998324,12cyclictest301ktimers/122:21:491
16263998355,12cyclictest181rcu_preempt19:41:310
1626399832,54cyclictest20349-21apt-get19:16:380
1627199826,67cyclictest19676-21snmpd19:16:382
16271998213,28cyclictest0-21swapper/200:23:502
16269998246,8cyclictest181rcu_preempt23:31:251
16271998162,11cyclictest10408-21apt-get22:31:162
16271998136,34cyclictest31774-21latency_hist00:01:052
16271998136,34cyclictest31774-21latency_hist00:01:052
16269998148,7cyclictest181rcu_preempt23:44:081
16269998147,13cyclictest181rcu_preempt21:06:201
16269998144,11cyclictest181rcu_preempt23:21:201
16269998143,8cyclictest181rcu_preempt00:16:261
16269998139,9cyclictest0-21swapper/121:14:021
16269998135,37cyclictest20238-21cat19:16:101
16271998059,14cyclictest16252-21cyclictest21:28:542
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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