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2026-01-15 - 06:52
[ 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 Jan 15, 2026 00:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
63189913760,24cyclictest13939-21unixbench_singl22:54:440
63189913760,24cyclictest13939-21unixbench_singl22:54:440
499221265,70sleep239-21ksoftirqd/219:04:312
499221265,70sleep239-21ksoftirqd/219:04:312
6318991172,103cyclictest25458-21ssh23:14:300
6318991124,87cyclictest13951-21apt-get23:49:250
5700210513,64sleep15784-21/usr/sbin/munin19:04:551
5700210513,64sleep15784-21/usr/sbin/munin19:04:551
631899992,90cyclictest20242-21ssh23:59:080
631899992,76cyclictest161ktimers/022:44:240
631899992,76cyclictest161ktimers/022:44:240
632699983,72cyclictest25588-21/usr/sbin/munin23:14:442
6322999551,37cyclictest352-21runrttasks23:01:541
6318999468,18cyclictest6632-21latency_hist20:49:100
632299933,78cyclictest0-21swapper/122:09:231
632699913,67cyclictest21597-21apt-get23:09:222
632699913,67cyclictest21597-21apt-get23:09:222
6322999059,21cyclictest8208-21fschecks_time19:14:171
6322999045,39cyclictest26051-21/usr/sbin/munin21:29:571
6318999054,14cyclictest181rcu_preempt22:49:200
632299899,62cyclictest2206-21apt-get23:29:231
632299892,74cyclictest0-21swapper/122:34:221
6322998829,48cyclictest0-21swapper/100:03:401
632299882,52cyclictest24627-21latency_hist20:04:111
631899885,74cyclictest352-21runrttasks21:44:350
6322998751,30cyclictest6308-21cyclictest22:45:471
6322998751,30cyclictest6308-21cyclictest22:45:471
6318998745,32cyclictest0-21swapper/022:39:380
631899873,32cyclictest24297-21fschecks_time22:19:280
632299862,72cyclictest0-21swapper/119:44:201
632299862,72cyclictest0-21swapper/119:44:201
632299862,71cyclictest0-21swapper/120:44:191
538728630,39sleep30-21swapper/319:04:493
538728630,39sleep30-21swapper/319:04:493
6326998540,27cyclictest23723-21timerandwakeup21:24:422
6326998540,27cyclictest23723-21timerandwakeup21:24:422
632299853,72cyclictest0-21swapper/121:34:191
632299853,72cyclictest0-21swapper/121:34:191
6318998560,17cyclictest596-21ssh22:34:230
631899854,51cyclictest22143-21apt-get23:09:220
631899854,51cyclictest22143-21apt-get23:09:220
6322998444,34cyclictest200-21systemd-journal21:44:081
6322998444,34cyclictest200-21systemd-journal21:44:081
632299843,76cyclictest0-21swapper/122:49:181
6318998428,11cyclictest181rcu_preempt21:59:440
6326998362,15cyclictest15747-21unixbench_singl23:50:142
632299833,74cyclictest0-21swapper/120:34:221
632299833,74cyclictest0-21swapper/120:34:221
6318998350,14cyclictest181rcu_preempt22:24:440
632299823,68cyclictest0-21swapper/120:24:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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