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2026-01-14 - 11:42
[ 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 Wed Jan 14, 2026 00:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2379921749,116sleep223855-21ls19:04:552
23058214110,89sleep023131-21cpuspeed19:04:280
24531991312,119cyclictest5174-21apt-get23:59:571
245319913054,41cyclictest352-21runrttasks23:31:201
24531991252,103cyclictest15206-21apt-get22:29:251
24033211411,76sleep124040-21users19:04:581
24531991139,94cyclictest21804-21apt-get23:34:341
24531991102,73cyclictest28444-21apt-get20:59:371
1427121000,22sleep131-21ksoftirqd/120:14:461
2453199958,72cyclictest13102-21apt-get23:19:291
2453199958,72cyclictest13102-21apt-get23:19:291
2436829517,48sleep30-21swapper/319:09:123
24539999452,13cyclictest181rcu_preempt00:10:482
24539999452,13cyclictest181rcu_preempt00:10:482
24531999255,8cyclictest181rcu_preempt22:50:391
24531999236,50cyclictest0-21swapper/123:39:331
2453199922,33cyclictest9279-21timerwakeupswit21:24:471
24531999217,33cyclictest1701-21unixbench_singl19:34:471
24527999241,8cyclictest181rcu_preempt22:50:390
24539999140,12cyclictest181rcu_preempt22:55:402
24531999136,46cyclictest0-21swapper/122:09:461
2453199904,44cyclictest8132-21ssh23:10:211
2453199904,27cyclictest14294-21/usr/sbin/munin21:34:321
2453199904,27cyclictest14294-21/usr/sbin/munin21:34:321
24531999035,47cyclictest0-21swapper/100:04:281
24531998969,13cyclictest24514-21cyclictest23:44:331
2453199893,31cyclictest3107-21switchtime21:14:461
24531998836,43cyclictest0-21swapper/119:59:461
2453199882,33cyclictest18875-21sed20:29:361
24531998819,29cyclictest12258-21unixbench_singl00:09:481
24531998819,29cyclictest12258-21unixbench_singl00:09:481
2453199874,33cyclictest13958-21ssh21:34:051
24531998741,38cyclictest0-21swapper/120:34:391
2453199872,32cyclictest25949-21latency_hist00:34:151
2453199872,32cyclictest14941-21taskset00:14:441
2453199872,31cyclictest16813-21find23:24:431
2453199872,30cyclictest3813-21/usr/sbin/munin23:04:441
24531998719,21cyclictest12968-21apt-key23:19:151
2454499867,52cyclictest0-21swapper/323:19:293
2454499867,52cyclictest0-21swapper/323:19:293
2454499864,56cyclictest0-21swapper/323:59:573
24539998647,8cyclictest181rcu_preempt19:54:402
24531998647,34cyclictest24514-21cyclictest22:28:111
24531998647,34cyclictest24514-21cyclictest22:28:111
2453199863,32cyclictest32547-21grep19:29:471
2453199863,30cyclictest7999-21latency_hist21:24:141
24527998670,9cyclictest25074-21switchtime22:44:460
24527998654,10cyclictest181rcu_preempt20:44:270
24539998544,11cyclictest181rcu_preempt20:29:272
2453199853,32cyclictest13401-21idleruntime-cro20:14:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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