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2026-01-14 - 05:53
[ 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 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
2453199853,31cyclictest25949-21latency_hist00:34:141
24531998530,46cyclictest0-21swapper/121:09:141
24531998530,46cyclictest0-21swapper/121:09:141
2453199852,32cyclictest21679-21sed22:39:371
24527998554,10cyclictest181rcu_preempt19:24:490
2453199843,33cyclictest21939-21fschecks_count20:39:331
2453199843,32cyclictest24910-21latency_hist20:49:151
2453199843,31cyclictest23135-21latency_hist00:29:141
2453199843,29cyclictest11829-21latency_hist20:09:131
24531998425,8cyclictest0-21swapper/120:49:441
2453199842,36cyclictest24971-21fschecks_time19:09:301
2453199842,36cyclictest24971-21fschecks_time19:09:301
2453199842,32cyclictest31594-21fschecks_count23:49:321
24527998462,15cyclictest18079-21latency_hist22:34:140
24539998358,17cyclictest1567-21sh23:54:112
24539998330,40cyclictest4665-40mandb23:59:152
24539998330,40cyclictest4665-40mandb23:59:152
2453199833,40cyclictest32407-21/usr/sbin/munin22:04:401
24531998333,42cyclictest0-21swapper/122:34:421
24531998333,42cyclictest0-21swapper/122:34:421
2453199833,32cyclictest26800-21fschecks_time20:54:331
2453199833,31cyclictest15524-21sort20:19:331
2453199833,31cyclictest15524-21sort20:19:331
2453199833,30cyclictest7179-21/usr/sbin/munin19:54:451
2453199833,30cyclictest29847-21latency_hist19:24:141
24531998332,43cyclictest0-21swapper/121:09:361
24531998329,47cyclictest0-21swapper/121:59:281
2453199832,36cyclictest1234-21uname22:59:371
2453199832,34cyclictest5525-21latency_hist19:49:141
2453199832,33cyclictest7016-21latency_hist19:54:131
2453199832,33cyclictest7016-21latency_hist19:54:131
24527998337,30cyclictest3125-21ssh23:03:070
2452799833,62cyclictest22336-21apt-get23:34:260
2453199823,30cyclictest6554-21ntpq22:14:401
2453199823,28cyclictest23328-21/usr/sbin/munin21:49:331
2453199823,28cyclictest23328-21/usr/sbin/munin21:49:331
2453199822,31cyclictest26925-21latency_hist22:49:141
24527998258,7cyclictest181rcu_preempt20:09:480
24527998257,18cyclictest2032-21ssh22:07:290
24544998119,38cyclictest0-21swapper/323:34:463
24539998164,11cyclictest17491-21processes20:24:452
24539998164,11cyclictest17491-21processes20:24:452
24539998144,27cyclictest18320-21sort21:39:472
24539998141,9cyclictest181rcu_preempt21:54:452
24539998140,17cyclictest181rcu_preempt21:44:512
2453199814,31cyclictest28191-21latency_hist19:19:141
24531998124,11cyclictest26396-21cpu21:54:281
2453199812,30cyclictest23027-21modprobe21:49:111
24539998060,12cyclictest5158-21ssh22:12:512
2453199803,33cyclictest30359-21rm22:54:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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