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2026-02-09 - 19:17
[ 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 Mon Feb 09, 2026 12:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2609521529,21sleep00-21swapper/007:02:490
27431991152,71cyclictest14193-21taskset10:22:462
27431991152,71cyclictest14193-21taskset10:22:462
274319911142,13cyclictest0-21swapper/208:02:292
274319910244,12cyclictest5034-21kworker/u17:1-rpciod12:26:362
27424999558,16cyclictest28443-21kworker/u17:1+xprtiod10:29:220
27431999465,19cyclictest10820-21latency_hist10:17:302
27431999449,9cyclictest24248-21kworker/u17:3-rpciod10:44:022
27431999449,9cyclictest24248-21kworker/u17:3-rpciod10:44:022
27431999449,13cyclictest1737-21kworker/u17:2-events_unbound07:43:002
27431999449,13cyclictest1737-21kworker/u17:2-events_unbound07:43:002
27431999240,10cyclictest58-21kcompactd007:42:302
259612927,56sleep125984-21cpu07:02:461
27431999061,23cyclictest16670-21latency_hist08:12:302
27424999049,32cyclictest21111-21grep10:33:060
27429998910,57cyclictest31-21ksoftirqd/109:08:581
27424998960,21cyclictest676-21latency_hist09:02:300
27424998750,8cyclictest181rcu_preempt10:14:060
27431998531,15cyclictest27411-21cyclictest09:37:542
27429998464,14cyclictest24131-21sendmail_mailtr11:33:041
27431998356,11cyclictest181rcu_preempt08:17:412
27431998344,13cyclictest0-21swapper/207:17:302
27431998330,12cyclictest181rcu_preempt09:46:372
27431998213,26cyclictest8718-21fschecks_time07:47:482
27431998213,26cyclictest8718-21fschecks_time07:47:482
27424998228,9cyclictest0-21swapper/007:17:410
27431998154,19cyclictest751-21timerandwakeup11:48:102
27431998154,19cyclictest751-21timerandwakeup11:48:102
27431998148,24cyclictest23106-21latency_hist08:32:292
27431998148,24cyclictest23106-21latency_hist08:32:292
27431998133,13cyclictest181rcu_preempt10:03:442
27429998163,12cyclictest277-21dbus-daemon10:02:281
27429998163,12cyclictest277-21dbus-daemon10:02:281
27429998161,14cyclictest23494-21if_eth010:37:551
2742999815,40cyclictest31-21ksoftirqd/107:56:501
2742999815,40cyclictest31-21ksoftirqd/107:56:501
27424998161,14cyclictest14508-21cstates10:23:250
27424998161,14cyclictest14508-21cstates10:23:250
27429998059,15cyclictest29480-21latency_hist12:37:321
27429998058,16cyclictest24900-21cpu08:37:451
27429998057,17cyclictest11456-21latency_hist12:07:281
27429998057,17cyclictest11456-21latency_hist12:07:281
27424998051,20cyclictest14281-21latency_hist11:17:300
27424998047,9cyclictest181rcu_preempt11:42:310
27431997958,13cyclictest32187-21diskstats10:52:472
27431997958,13cyclictest32187-21diskstats10:52:472
27431997953,16cyclictest352-21runrttasks07:32:562
27429997963,10cyclictest3315-21kworker/u17:0-rpciod10:16:461
2742999793,68cyclictest31-21ksoftirqd/110:23:141
2742999793,68cyclictest31-21ksoftirqd/110:23:141
27424997960,12cyclictest200-21systemd-journal08:57:280
27431997862,10cyclictest24312-21fschecks_count12:28:272
27431997851,10cyclictest181rcu_preempt08:37:302
27431997846,10cyclictest181rcu_preempt09:56:252
27431997841,12cyclictest181rcu_preempt12:03:082
27431997841,12cyclictest181rcu_preempt12:03:082
2742999788,34cyclictest31-21ksoftirqd/111:47:041
2742999787,35cyclictest31-21ksoftirqd/107:22:361
27429997859,14cyclictest27411-21cyclictest10:10:561
2742999783,65cyclictest23815-21apt-get12:27:591
2742999782,37cyclictest31-21ksoftirqd/109:38:161
27424997841,9cyclictest181rcu_preempt08:27:430
27424997841,9cyclictest181rcu_preempt08:27:430
27431997745,11cyclictest181rcu_preempt07:17:422
27431997733,18cyclictest27411-21cyclictest11:43:012
27429997759,12cyclictest15794-21rm12:13:131
27429997759,12cyclictest15794-21rm12:13:131
2742999773,65cyclictest31647-21apt-get08:58:211
27431997654,8cyclictest39-21ksoftirqd/209:04:432
27431997652,16cyclictest26855-21kernelversion11:38:052
27431997652,16cyclictest1737-21kworker/u17:2+events_unbound08:07:272
27431997651,16cyclictest1118-21diskmemload09:07:482
27431997646,21cyclictest18144-21latency_hist08:17:312
27429997656,14cyclictest11992-21fschecks_count12:07:541
27424997648,11cyclictest181rcu_preempt07:51:550
27424997648,11cyclictest181rcu_preempt07:51:550
27424997647,7cyclictest181rcu_preempt07:32:430
27431997551,17cyclictest3413-21ntp_offset11:52:582
27431997551,17cyclictest3413-21ntp_offset11:52:582
27431997551,14cyclictest0-21swapper/212:02:292
27431997551,14cyclictest0-21swapper/212:02:292
27431997546,20cyclictest0-21swapper/211:07:302
27431997546,20cyclictest0-21swapper/211:07:302
27429997558,11cyclictest200-21systemd-journal09:36:401
2742999752,49cyclictest31-21ksoftirqd/108:00:261
27424997555,14cyclictest26315-21latency_hist08:42:290
27424997550,7cyclictest181rcu_preempt12:19:520
27424997550,7cyclictest181rcu_preempt12:19:520
27424997520,9cyclictest181rcu_preempt10:17:580
27429997460,9cyclictest301ktimers/111:52:261
27429997460,9cyclictest301ktimers/111:52:261
27429997436,28cyclictest23641-21grep08:32:551
2742999743,35cyclictest31-21ksoftirqd/109:48:321
27424997454,14cyclictest5855-21fschecks_time11:02:550
27424997454,14cyclictest5855-21fschecks_time11:02:550
27424997451,14cyclictest23317-21cpuspeed08:32:460
27424997445,7cyclictest181rcu_preempt11:54:400
27424997445,7cyclictest181rcu_preempt11:54:400
27424997436,12cyclictest181rcu_preempt07:42:590
27424997436,12cyclictest181rcu_preempt07:42:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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