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2026-02-28 - 22:06
[ 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 rackcslot8.osadl.org (updated Sat Feb 28, 2026 12:48:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1596199346148,4cyclictest151rcu_preempt11:48:5214
160009918642,9cyclictest151rcu_preempt12:18:2021
159819918215,122cyclictest0-21swapper/2511:40:1718
159819917922,115cyclictest0-21swapper/2510:47:2818
159009916722,118cyclictest0-21swapper/1112:01:093
330891165158,6phc2sys0-21swapper/207:09:0112
330891165158,6phc2sys0-21swapper/207:09:0112
159819916022,88cyclictest0-21swapper/2511:10:0418
159009915622,82cyclictest0-21swapper/1112:36:253
159009915622,82cyclictest0-21swapper/1112:36:253
158959915630,78cyclictest0-21swapper/1010:50:202
145982154149,3sleep150-21swapper/1507:08:387
145982154149,3sleep150-21swapper/1507:08:387
158669915135,77cyclictest0-21swapper/611:50:2228
159199915031,66cyclictest0-21swapper/1412:35:566
159199915031,66cyclictest0-21swapper/1412:35:556
158449914927,92cyclictest0-21swapper/309:11:3423
158449914927,121cyclictest0-21swapper/307:44:2923
158449914927,121cyclictest0-21swapper/307:44:2823
158959914418,105cyclictest0-21swapper/1011:20:162
158449914421,117cyclictest0-21swapper/309:50:3623
15981991430,86cyclictest0-21swapper/2508:44:4218
159199914339,83cyclictest0-21swapper/1411:13:376
159819914222,73cyclictest0-21swapper/2511:45:4018
15981991420,83cyclictest0-21swapper/2512:25:2618
15981991420,83cyclictest0-21swapper/2507:15:2818
15981991420,83cyclictest0-21swapper/2507:15:2818
15981991410,89cyclictest0-21swapper/2512:11:3218
158319914130,71cyclictest0-21swapper/109:06:121
15981991391,82cyclictest0-21swapper/2510:55:0618
15981991390,80cyclictest0-21swapper/2510:03:1618
159619913940,76cyclictest0-21swapper/2112:25:2214
159619913834,91cyclictest0-21swapper/2111:34:3514
159619913832,91cyclictest0-21swapper/2111:43:0714
158319913860,63cyclictest0-21swapper/110:56:511
15831991380,82cyclictest0-21swapper/112:32:311
15981991370,82cyclictest0-21swapper/2508:45:1318
15895991370,84cyclictest0-21swapper/1009:34:252
15866991370,81cyclictest0-21swapper/608:35:1828
158319913731,69cyclictest0-21swapper/110:21:341
158319913731,67cyclictest0-21swapper/112:14:371
158319913729,66cyclictest0-21swapper/107:59:571
158319913729,64cyclictest0-21swapper/110:19:261
158319913728,70cyclictest0-21swapper/107:39:531
158319913728,70cyclictest0-21swapper/107:39:531
158319913719,71cyclictest0-21swapper/110:36:321
159819913649,57cyclictest0-21swapper/2508:53:4718
15981991360,87cyclictest0-21swapper/2508:32:5618
159199913648,58cyclictest0-21swapper/1407:25:266
159199913648,58cyclictest0-21swapper/1407:25:266
158319913650,52cyclictest0-21swapper/111:24:421
159819913529,68cyclictest0-21swapper/2512:39:2018
159819913529,68cyclictest0-21swapper/2512:39:2018
159819913528,67cyclictest0-21swapper/2509:38:4018
159819913527,71cyclictest0-21swapper/2510:21:2618
159619913539,60cyclictest0-21swapper/2111:29:3214
159619913529,105cyclictest0-21swapper/2110:34:1114
159619913529,104cyclictest0-21swapper/2111:55:2614
159199913563,45cyclictest4682-21diskmemload11:33:076
159199913544,62cyclictest0-21swapper/1407:15:176
159199913544,62cyclictest0-21swapper/1407:15:176
158449913530,57cyclictest0-21swapper/307:55:0123
158449913530,57cyclictest0-21swapper/307:55:0023
158319913548,55cyclictest0-21swapper/107:41:151
158319913548,55cyclictest0-21swapper/107:41:151
158319913530,68cyclictest0-21swapper/112:37:511
158319913530,68cyclictest0-21swapper/112:37:501
159819913441,57cyclictest0-21swapper/2511:17:3318
159819913429,74cyclictest0-21swapper/2511:36:4818
159819913428,72cyclictest0-21swapper/2510:44:5718
159819913427,70cyclictest0-21swapper/2510:31:0318
15981991340,81cyclictest0-21swapper/2507:56:3718
159619913421,107cyclictest0-21swapper/2108:55:1914
159199913428,66cyclictest0-21swapper/1411:07:126
158959913429,68cyclictest0-21swapper/1007:45:082
158959913429,68cyclictest0-21swapper/1007:45:082
158319913433,64cyclictest0-21swapper/111:00:021
158319913431,65cyclictest0-21swapper/111:17:411
158319913430,64cyclictest0-21swapper/110:33:521
158319913429,68cyclictest0-21swapper/112:25:341
158319913429,68cyclictest0-21swapper/111:52:581
158319913428,62cyclictest0-21swapper/108:55:161
158319913427,67cyclictest0-21swapper/109:15:501
159819913321,75cyclictest0-21swapper/2512:19:0118
15981991330,87cyclictest0-21swapper/2511:24:3018
159769913338,62cyclictest0-21swapper/2409:44:5517
159619913330,69cyclictest0-21swapper/2109:40:1314
158959913325,107cyclictest0-21swapper/1011:40:492
158319913330,63cyclictest0-21swapper/110:28:311
158319913328,65cyclictest0-21swapper/109:32:241
159819913243,71cyclictest0-21swapper/2509:45:2318
159819913230,62cyclictest0-21swapper/2510:29:1818
159819913228,74cyclictest0-21swapper/2511:54:5818
159819913227,69cyclictest0-21swapper/2509:20:1718
159819913227,67cyclictest0-21swapper/2507:40:3518
159819913227,67cyclictest0-21swapper/2507:40:3518
15981991320,79cyclictest0-21swapper/2511:55:1718
15981991320,77cyclictest0-21swapper/2508:05:0918
15976991320,81cyclictest0-21swapper/2411:06:5317
159619913225,19cyclictest0-21swapper/2108:00:1414
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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