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2026-02-11 - 16:50
[ 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 Feb 11, 2026 12:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2633521339,19sleep00-21swapper/007:02:530
27436991263,96cyclictest19132-21apt-get11:22:372
3016121200,5sleep30-21swapper/307:12:503
3016121200,5sleep30-21swapper/307:12:503
2705621206,16sleep10-21swapper/107:04:331
2726429917,51sleep227288-21munin-run07:07:192
18372990,4sleep21840-21sed10:52:542
18372990,4sleep21840-21sed10:52:542
293502980,9sleep20-21swapper/210:45:202
293502980,9sleep20-21swapper/210:45:202
27436999557,31cyclictest0-21swapper/207:37:402
27431999573,12cyclictest0-21swapper/110:27:511
27427999541,11cyclictest181rcu_preempt09:26:440
27427999541,11cyclictest181rcu_preempt09:26:440
2743699949,49cyclictest31511-21apt-get07:17:342
2743699949,49cyclictest31511-21apt-get07:17:342
27436999268,16cyclictest19240-21kworker/u17:0-writeback09:47:542
27431999271,11cyclictest0-21swapper/111:57:561
27436999167,15cyclictest8943-21ssh09:17:382
27431999157,9cyclictest181rcu_preempt10:58:211
27436999068,15cyclictest297-21systemd-logind07:12:232
27436999068,15cyclictest297-21systemd-logind07:12:232
27436999061,19cyclictest3773-21latency_hist07:32:222
2743699893,40cyclictest31311-21apt-config07:17:222
2743699893,40cyclictest31311-21apt-config07:17:222
2743699893,38cyclictest735-21sh09:57:402
2743699893,38cyclictest735-21sh09:57:402
2743699893,26cyclictest26172-21sshd09:46:202
27431998970,9cyclictest0-21swapper/111:37:231
27436998834,47cyclictest12056-21cron10:17:192
2743699883,39cyclictest5191-21sh10:58:202
2743699883,37cyclictest27954-21latency_hist11:37:222
2743699883,35cyclictest352-21runrttasks09:31:452
27431998869,11cyclictest0-21swapper/112:12:221
27427998869,10cyclictest0-21swapper/010:52:400
27427998869,10cyclictest0-21swapper/010:52:400
27427998862,18cyclictest0-21swapper/010:27:350
2743699873,37cyclictest19080-21latency_hist11:22:232
2743699873,36cyclictest969-21ssh11:46:192
27436998729,46cyclictest0-21swapper/212:08:282
27431998764,15cyclictest27417-21cyclictest11:29:021
2743699867,33cyclictest3741-21rm11:50:422
2743699864,37cyclictest10104-21ssh11:07:382
2743699863,37cyclictest16896-21latency_hist08:12:232
2743699863,37cyclictest16896-21latency_hist08:12:232
2743699863,30cyclictest11896-21ssh09:22:322
2743699863,30cyclictest11896-21ssh09:22:322
27431998641,16cyclictest27417-21cyclictest10:01:581
27431998641,16cyclictest27417-21cyclictest10:01:581
27427998670,8cyclictest0-21swapper/011:37:210
27427998668,8cyclictest0-21swapper/007:27:420
27427998665,8cyclictest181rcu_preempt10:57:400
27441998513,52cyclictest0-21swapper/311:22:373
2743699854,36cyclictest16591-21/usr/sbin/munin12:12:402
2743699853,37cyclictest25941-21sort12:27:422
2743699853,36cyclictest352-21runrttasks09:54:082
2743699853,29cyclictest29032-21switchtime08:47:552
2743699853,29cyclictest29032-21switchtime08:47:552
27436998526,46cyclictest0-21swapper/210:32:402
27436998526,46cyclictest0-21swapper/210:32:402
27427998565,11cyclictest0-21swapper/007:12:210
27427998565,11cyclictest0-21swapper/007:12:210
2743699844,27cyclictest15390-21/usr/sbin/munin10:22:552
2743699843,41cyclictest29597-21timerwakeupswit12:32:562
2743699843,30cyclictest22958-21fschecks_time12:22:412
2743699843,30cyclictest22958-21fschecks_time12:22:412
27427998464,11cyclictest0-21swapper/010:12:550
2743699833,38cyclictest5856-21grep09:12:412
2743699833,37cyclictest6658-21cut10:07:402
2743699833,35cyclictest352-21runrttasks08:02:552
2743699833,34cyclictest27207-21ntp_kernel_err08:42:482
2743699833,31cyclictest22801-21grep11:27:512
2743699833,29cyclictest885-21fschecks_time07:22:422
2743699833,27cyclictest22285-21cat08:27:452
27431998354,9cyclictest181rcu_preempt11:40:321
2743699824,32cyclictest8697-21/usr/sbin/munin07:47:392
2743699823,30cyclictest352-21runrttasks09:03:152
2743699822,23cyclictest25929-21/usr/sbin/munin08:37:552
27431998264,9cyclictest0-21swapper/108:17:231
27431998264,9cyclictest0-21swapper/108:17:231
27427998262,9cyclictest0-21swapper/008:07:210
2743699814,35cyclictest17729-21mailstats08:13:472
2743699814,35cyclictest17729-21mailstats08:13:472
2743699813,40cyclictest24158-21/usr/sbin/munin08:32:542
2743699813,35cyclictest10562-21fschecks_time07:52:402
2743699813,34cyclictest28387-21fschecks_count11:37:412
2743699813,30cyclictest2321-21diskmemload09:12:212
2743699813,27cyclictest352-21runrttasks11:05:182
2743699812,39cyclictest27169-21sort10:42:212
2743699812,19cyclictest18658-21apt-get08:17:302
27436998113,27cyclictest21048-21seq10:32:172
27431998166,8cyclictest0-21swapper/107:57:361
27427998165,8cyclictest0-21swapper/012:17:420
27427998160,8cyclictest181rcu_preempt08:07:360
27427998160,8cyclictest181rcu_preempt08:07:360
2743699807,23cyclictest21002-21/usr/sbin/munin09:37:362
2743699807,23cyclictest21002-21/usr/sbin/munin09:37:362
2743699804,36cyclictest11070-21/usr/sbin/munin12:02:432
2743699804,36cyclictest11070-21/usr/sbin/munin12:02:432
2743699804,35cyclictest21766-21latency_hist08:27:222
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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