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2026-02-22 - 00:41
[ 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 Sat Feb 21, 2026 12:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1745221315,92sleep117530-21fschecks_time07:02:081
187299911950,61cyclictest0-21swapper/209:21:532
1704921190,7sleep10-21swapper/111:35:121
1788921128,78sleep00-21swapper/007:02:240
18729991076,70cyclictest12005-21apt-get11:26:592
18729991076,70cyclictest12005-21apt-get11:26:592
187299910240,10cyclictest0-21swapper/211:02:362
18725991022,65cyclictest31-21ksoftirqd/108:21:541
187299910047,46cyclictest0-21swapper/209:57:012
18720991004,38cyclictest2784-21apt-get10:16:520
1872999993,45cyclictest28645-21head07:32:152
18729999742,15cyclictest18709-21cyclictest07:13:102
18729999742,15cyclictest18709-21cyclictest07:13:102
18729999641,13cyclictest25907-21diskmemload10:28:582
18729999618,31cyclictest3336-21cpu07:56:552
18729999618,31cyclictest3336-21cpu07:56:552
1872999943,41cyclictest27553-21switchtime11:52:152
1872999943,41cyclictest27553-21switchtime11:52:152
1872999943,39cyclictest17169-21latency_hist09:46:422
1872999943,39cyclictest17169-21latency_hist09:46:422
18729999433,18cyclictest9199-21fschecks_count12:16:592
1872999923,47cyclictest27957-21grep10:58:062
1872999923,47cyclictest27957-21grep10:58:062
1872999914,60cyclictest26407-21apt-get10:01:562
18720999072,10cyclictest17565-21idleruntime-cro11:36:380
1872099902,49cyclictest15-21ksoftirqd/012:27:470
1872599892,56cyclictest31-21ksoftirqd/108:46:521
1872599892,56cyclictest31-21ksoftirqd/108:46:521
18725998755,13cyclictest181rcu_preempt10:55:351
1872099862,52cyclictest15-21ksoftirqd/011:17:120
18729998563,16cyclictest18878-21unixbench_singl12:32:182
18720998462,16cyclictest7985-21apt-key08:11:410
18720998462,16cyclictest7985-21apt-key08:11:410
1872099843,44cyclictest15-21ksoftirqd/012:04:210
1872099843,44cyclictest15-21ksoftirqd/012:04:210
1872099843,38cyclictest15-21ksoftirqd/011:28:050
1872099843,38cyclictest15-21ksoftirqd/011:28:050
18720998425,10cyclictest0-21swapper/012:21:540
1872099833,49cyclictest15-21ksoftirqd/009:17:110
18720998314,40cyclictest15-21ksoftirqd/010:12:080
18725998252,8cyclictest181rcu_preempt10:28:301
18725998251,12cyclictest181rcu_preempt07:51:421
1872099824,53cyclictest15-21ksoftirqd/009:40:390
1872099824,53cyclictest15-21ksoftirqd/009:40:390
1872099824,52cyclictest15-21ksoftirqd/008:37:500
1872099824,52cyclictest15-21ksoftirqd/008:37:500
1872099824,43cyclictest15-21ksoftirqd/011:14:480
1872999818,31cyclictest22846-21acpi07:16:502
18725998136,17cyclictest181rcu_preempt11:54:551
18725998136,17cyclictest181rcu_preempt11:54:551
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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