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2026-01-18 - 16:43
[ 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 Sun Jan 18, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15972991313,60cyclictest11973-21ssh12:29:080
159729912351,12cyclictest0-21swapper/009:04:160
159729912351,12cyclictest0-21swapper/009:04:160
15986991176,67cyclictest32287-21diskmemload12:09:082
2609121050,7sleep10-21swapper/110:10:331
2609121050,7sleep10-21swapper/110:10:331
159869910452,13cyclictest2453-21kworker/u17:2-xprtiod12:34:162
159869910452,13cyclictest2453-21kworker/u17:2-xprtiod12:34:162
158312996,15sleep20-21swapper/207:08:492
1598699986,64cyclictest12228-21apt-get08:39:152
146842979,62sleep114688-21entropy07:04:191
1599499952,69cyclictest16975-21chrt11:44:083
1597299952,66cyclictest32263-21apt-get12:09:140
15986999410,65cyclictest12015-21ssh12:29:162
15972999477,10cyclictest17041-21rm11:44:190
1597299943,59cyclictest30867-21apt-get10:19:080
15986999064,13cyclictest0-21swapper/210:48:572
15986999064,13cyclictest0-21swapper/210:48:572
15972999058,21cyclictest13609-21latency_hist11:38:560
15972998957,16cyclictest181rcu_preempt10:04:310
15972998937,11cyclictest181rcu_preempt08:34:150
15972998937,11cyclictest181rcu_preempt08:34:150
1599499873,32cyclictest5087-21chrt11:24:143
15986998766,12cyclictest0-21swapper/208:18:572
15986998752,9cyclictest181rcu_preempt08:44:042
15986998752,9cyclictest181rcu_preempt08:44:042
1598699872,60cyclictest31494-21ssh10:20:152
1597999879,69cyclictest16400-21apt-get11:44:081
15972998744,17cyclictest27702-21kworker/u17:0-rpciod12:26:580
15986998668,11cyclictest0-21swapper/209:59:212
1598699866,67cyclictest21692-21apt-get07:24:122
15986998665,13cyclictest0-21swapper/207:59:212
15979998666,14cyclictest23130-21processes10:59:261
15979998666,13cyclictest9870-21ssh09:44:161
15972998656,11cyclictest181rcu_preempt11:09:250
1597299865,60cyclictest12228-21apt-get08:39:160
15986998567,12cyclictest277-21dbus-daemon07:53:552
15986998567,12cyclictest277-21dbus-daemon07:53:552
15986998541,12cyclictest0-21swapper/208:58:462
15972998563,12cyclictest0-21swapper/007:53:560
15972998563,12cyclictest0-21swapper/007:53:560
15972998559,8cyclictest181rcu_preempt10:29:240
15972998462,13cyclictest15162-21sh10:46:210
15972998462,13cyclictest15162-21sh10:46:210
15972998450,7cyclictest0-21swapper/010:39:310
15972998363,10cyclictest0-21swapper/012:14:270
15972998361,15cyclictest15963-21cyclictest11:43:580
15986998260,12cyclictest0-21swapper/209:53:092
15986998260,12cyclictest0-21swapper/209:53:092
15979998264,12cyclictest7513-21sshd11:28:531
15972998264,8cyclictest0-21swapper/007:08:580
15972998260,14cyclictest8391-21sed11:29:220
1599499813,33cyclictest12697-21taskset12:29:443
15979998154,20cyclictest7049-21sh10:33:531
15979998137,12cyclictest181rcu_preempt08:08:571
15979998127,10cyclictest181rcu_preempt12:29:311
15972998154,18cyclictest25103-21latency_hist11:03:550
15972998153,19cyclictest20257-21threads10:54:280
15986998064,9cyclictest0-21swapper/209:18:562
15986998062,9cyclictest0-21swapper/211:34:292
15986998062,10cyclictest0-21swapper/211:29:302
15979998062,12cyclictest27804-21mailstats09:19:281
15979998060,14cyclictest26557-21rm11:59:191
15979998058,15cyclictest21532-21latency_hist07:23:581
15979998057,14cyclictest10543-21fschecks_count08:34:151
15979998057,14cyclictest10543-21fschecks_count08:34:151
15979998037,30cyclictest23026-21modprobe07:28:541
1597999803,65cyclictest30361-21apt-get07:54:081
15972998058,16cyclictest28136-21latency_hist11:08:560
15972998047,15cyclictest181rcu_preempt08:04:060
15986997946,24cyclictest28750-21cron07:48:532
15986997939,11cyclictest181rcu_preempt09:24:092
15986997936,13cyclictest0-21swapper/209:42:122
15972997960,10cyclictest0-21swapper/007:43:570
15972997959,9cyclictest0-21swapper/008:59:290
15972997953,14cyclictest0-21swapper/007:13:570
15972997951,9cyclictest181rcu_preempt12:22:120
15986997857,12cyclictest0-21swapper/211:58:552
15986997857,12cyclictest0-21swapper/211:58:552
15986997849,23cyclictest18965-21threads07:14:312
15972997855,15cyclictest7364-21fschecks_time08:24:140
15972997848,10cyclictest181rcu_preempt10:49:280
15972997846,11cyclictest181rcu_preempt10:14:160
15972997836,13cyclictest0-21swapper/009:12:340
15972997826,19cyclictest20995-21kworker/u18:0-rpciod09:58:550
1599499772,33cyclictest12525-21chrt08:39:293
15986997762,8cyclictest0-21swapper/211:04:172
15986997754,12cyclictest0-21swapper/207:09:162
15986997752,14cyclictest0-21swapper/208:33:552
15986997752,14cyclictest0-21swapper/208:33:552
15979997751,19cyclictest20753-21ssh09:08:561
15979997751,19cyclictest20753-21ssh09:08:561
1597999772,56cyclictest19594-21apt-get11:49:081
1597999772,56cyclictest19594-21apt-get11:49:081
1597999772,56cyclictest19594-21apt-get11:49:081
15972997764,9cyclictest2132-21kworker/u19:2-rpciod09:44:550
15972997756,12cyclictest0-21swapper/011:19:270
1599499762,28cyclictest15412-21taskset09:53:573
1599499762,28cyclictest15412-21taskset09:53:573
15986997658,12cyclictest0-21swapper/210:29:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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