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2026-01-16 - 22:08
[ 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 rack0slot2.osadl.org (updated Fri Jan 16, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18081362990,1sleep71808138-21sort12:23:027
15673182930,0sleep60-21swapper/610:42:596
108957625722,31sleep70-21swapper/707:06:337
14440132540,1sleep60-21swapper/609:52:586
1089972995146,4cyclictest1635429-21latency_hist11:12:377
108950724923,8sleep50-21swapper/507:05:355
108937923726,8sleep60-21swapper/607:03:436
1089972993530,4cyclictest1799201-21latency_hist12:22:377
1089959993430,3cyclictest1389512-21kworker/u16:1+flush-8:010:07:374
1089967993228,3cyclictest1787877-21kworker/u16:5+flush-8:012:27:366
108942223121,7sleep40-21swapper/407:04:224
14747052300,1chrt1474706-21sh10:07:347
1089972993025,4cyclictest1350920-21latency_hist09:17:387
11991122290,1chrt1199113-21kthreadcore07:58:007
1089972992924,4cyclictest1823874-21latency_hist12:32:377
1089972992923,5cyclictest650-21systemd-journal09:07:377
1089972992726,0cyclictest0-21swapper/712:03:237
1089959992725,2cyclictest1698782-21kworker/u16:0+flush-8:011:59:074
1089972992524,0cyclictest0-21swapper/708:19:167
1089967992524,1cyclictest1375815-21kworker/u16:4+events_unbound09:52:376
1089967992524,1cyclictest1375815-21kworker/u16:4+events_unbound09:52:376
108997299240,22cyclictest1499453-21latency_hist10:17:377
1089967992421,2cyclictest376797-21kworker/u16:3+flush-8:008:37:386
1089972992320,2cyclictest1249424-21expr08:27:507
1089972992316,6cyclictest0-21swapper/711:47:377
1089967992322,1cyclictest1360829-21kworker/u16:3+flush-8:009:38:006
17730412220,1chrt1773042-21ssh12:10:047
1089972992221,0cyclictest0-21swapper/707:18:287
1089967992017,3cyclictest1070799-21kworker/u16:0+flush-8:007:29:486
108997299190,17cyclictest1676300-21cat11:32:477
1089972991817,0cyclictest0-21swapper/707:40:397
1089972991813,4cyclictest650-21systemd-journal10:47:387
1089972991813,4cyclictest650-21systemd-journal07:12:337
1089972991813,4cyclictest1647759-21latency_hist11:17:377
1089972991812,5cyclictest1511852-21latency_hist10:22:377
1089972991811,6cyclictest0-21swapper/711:57:377
1089972991717,0cyclictest0-21swapper/711:28:247
1089972991716,0cyclictest0-21swapper/707:27:117
1089972991712,4cyclictest1190699-21cat07:57:337
1089967991715,2cyclictest1774658-21kworker/u16:2+flush-8:012:27:576
17183902160,1chrt0-21swapper/411:47:574
108997299169,6cyclictest0-21swapper/709:18:087
108997299162,12cyclictest1310018-21cut08:57:567
1089972991615,0cyclictest0-21swapper/709:47:427
1089972991615,0cyclictest0-21swapper/709:47:427
1089972991615,0cyclictest0-21swapper/709:39:277
1089972991615,0cyclictest0-21swapper/707:15:047
1089972991613,2cyclictest0-21swapper/708:02:387
1089972991610,5cyclictest1306869-21latency_hist08:57:377
1089967991614,2cyclictest1635421-21kworker/u16:2+flush-8:011:48:106
1089967991614,2cyclictest1496952-21kworker/u16:3+flush-8:010:57:596
1089967991614,2cyclictest1389512-21kworker/u16:1+flush-8:009:37:336
14775892150,1sleep40-21swapper/410:07:554
108997299152,12cyclictest1521012-21ntpq10:23:067
108997299152,12cyclictest1521012-21ntpq10:23:067
1089972991511,3cyclictest1476036-21cat10:07:527
1089972991510,4cyclictest1598326-21latency_hist10:57:377
1089972991510,4cyclictest1548866-21latency_hist10:37:377
108997299150,13cyclictest5436-21crond10:57:377
108997299150,13cyclictest1267-21snmpd08:48:297
1089967991513,2cyclictest376797-21kworker/u16:3+flush-8:008:47:386
108996799150,15cyclictest0-21swapper/611:15:046
1089963991514,1cyclictest0-21swapper/512:13:045
108996399150,15cyclictest0-21swapper/511:39:295
108995999150,1cyclictest0-21swapper/412:03:574
14381802140,0sleep40-21swapper/409:52:484
108997299146,7cyclictest0-21swapper/711:43:197
108997299146,7cyclictest0-21swapper/709:28:077
108997299145,7cyclictest0-21swapper/709:42:517
108997299145,7cyclictest0-21swapper/709:42:517
108997299144,9cyclictest1734202-21ntpq11:53:037
108997299143,10cyclictest1168529-21kthreadcore07:42:587
1089972991414,0cyclictest0-21swapper/709:10:207
1089972991410,3cyclictest1619877-21ntpq11:03:057
1089972991410,3cyclictest1619877-21ntpq11:03:057
1089972991410,3cyclictest1570398-21ntpq10:43:047
1089972991410,3cyclictest1267-21snmpd12:34:337
108997299140,13cyclictest1277856-21latency_hist08:42:387
108997299140,13cyclictest1267-21snmpd07:37:137
108997299140,13cyclictest1267-21snmpd07:37:137
1089967991413,1cyclictest0-21swapper/612:17:216
1089967991413,1cyclictest0-21swapper/611:47:336
1089967991413,1cyclictest0-21swapper/611:33:036
1089967991413,1cyclictest0-21swapper/610:57:066
108996799140,1cyclictest0-21swapper/612:08:506
108996799140,1cyclictest0-21swapper/610:35:116
108996799140,14cyclictest0-21swapper/609:16:506
1089963991413,1cyclictest0-21swapper/512:06:455
1089963991413,1cyclictest0-21swapper/510:33:445
1089963991413,1cyclictest0-21swapper/510:12:375
1089963991413,1cyclictest0-21swapper/509:48:015
1089963991413,1cyclictest0-21swapper/509:48:015
1089963991413,1cyclictest0-21swapper/509:11:455
108996399140,1cyclictest0-21swapper/509:33:125
108996399140,14cyclictest0-21swapper/510:14:305
108996399140,14cyclictest0-21swapper/509:38:435
108996399140,14cyclictest0-21swapper/509:23:355
108996399140,14cyclictest0-21swapper/509:19:385
1089959991413,1cyclictest0-21swapper/412:12:284
1089959991413,1cyclictest0-21swapper/411:42:594
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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