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2026-01-27 - 19:24
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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
Characteristics of the 100 highest latencies:
System rackdslot4.osadl.org (updated Tue Jan 27, 2026 12:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
198832200168,21sleep20-21swapper/207:09:282
199202199165,23sleep30-21swapper/307:09:573
197192199166,21sleep00-21swapper/007:07:570
196852196163,22sleep10-21swapper/107:07:301
66721390,3sleep10-21swapper/110:50:141
1992528161,11sleep30-21swapper/307:10:013
254332780,3sleep30-21swapper/309:30:013
2021899681,28cyclictest1313-21cat07:35:220
2021899670,28cyclictest15435-21date10:15:010
2021899650,30cyclictest3130-21df07:40:130
2021899630,26cyclictest24480-21awk10:30:270
2021899630,20cyclictest11920-21timerandwakeup11:10:270
192002630,3sleep319203-21sort09:15:193
2021899611,22cyclictest17157-21timerwakeupswit10:15:260
2021899600,20cyclictest6733-21cat08:50:230
2021899580,22cyclictest5697-21entropy07:45:150
308972560,6sleep22022099cyclictest07:30:172
264822530,4sleep226487-21switchtime08:25:242
20219994717,28cyclictest0-21swapper/110:45:441
2021999460,44cyclictest0-21swapper/112:10:231
2021999460,44cyclictest0-21swapper/111:50:231
2021999460,44cyclictest0-21swapper/110:05:231
2021899460,20cyclictest15560-21cpuspeed09:10:140
20221994516,28cyclictest28622-21kworker/3:110:46:043
2021999450,43cyclictest0-21swapper/107:30:221
138491440,0ptp4l401ktimersoftd/311:55:233
138491440,0ptp4l401ktimersoftd/309:01:303
20220994336,4cyclictest22802-21cron12:40:002
138491430,0ptp4l401ktimersoftd/312:38:563
138491420,0ptp4l401ktimersoftd/312:24:223
20220994134,4cyclictest13631-21uname08:00:192
20219994112,28cyclictest0-21swapper/110:55:331
2021999410,39cyclictest0-21swapper/112:15:231
138491410,0ptp4l401ktimersoftd/312:30:273
138491410,0ptp4l401ktimersoftd/310:30:303
138491410,0ptp4l401ktimersoftd/309:20:243
138491410,0ptp4l401ktimersoftd/307:15:013
20221994035,3cyclictest5363-21cron09:55:013
20219994012,27cyclictest0-21swapper/112:00:231
20219994012,27cyclictest0-21swapper/108:30:241
20219994011,28cyclictest0-21swapper/110:25:241
20219993910,27cyclictest1984-21ps11:55:231
2021999390,3cyclictest4412-21open_files09:50:241
2021899390,28cyclictest7679-21sshd09:58:220
20220993833,3cyclictest27340-21sshd07:24:182
2021899380,27cyclictest9080-21irqstats10:00:170
2021899380,23cyclictest20390-21df_abs08:15:130
2021899380,22cyclictest18016-21apt-config09:15:010
20221993731,4cyclictest41-21ksoftirqd/309:05:093
20221993730,5cyclictest41-21ksoftirqd/308:02:463
20221993723,12cyclictest41-21ksoftirqd/311:45:523
20219993731,4cyclictest25-21ksoftirqd/110:33:001
20219993731,4cyclictest25-21ksoftirqd/108:11:591
20219993731,4cyclictest25-21ksoftirqd/107:10:341
20218993732,3cyclictest9-21ksoftirqd/009:55:000
61322360,2sleep20-21swapper/209:55:142
20221993630,4cyclictest41-21ksoftirqd/311:11:253
2022199361,33cyclictest32120-21latency_hist08:40:003
20220993631,3cyclictest33-21ksoftirqd/209:10:132
20220993630,4cyclictest33-21ksoftirqd/212:24:252
20220993630,4cyclictest33-21ksoftirqd/210:57:522
20220993630,4cyclictest33-21ksoftirqd/210:35:512
20220993630,4cyclictest33-21ksoftirqd/207:44:282
20219993630,4cyclictest25-21ksoftirqd/112:39:051
20219993630,4cyclictest25-21ksoftirqd/109:13:091
20219993630,4cyclictest25-21ksoftirqd/107:41:031
20219993629,5cyclictest25-21ksoftirqd/108:16:081
20221993529,4cyclictest41-21ksoftirqd/312:01:363
20221993529,4cyclictest41-21ksoftirqd/311:31:433
20221993529,4cyclictest41-21ksoftirqd/309:39:063
20221993529,4cyclictest41-21ksoftirqd/308:32:003
2022199350,32cyclictest2899-21cron09:50:003
20220993530,3cyclictest33-21ksoftirqd/210:45:122
20220993529,4cyclictest33-21ksoftirqd/210:53:032
20220993529,4cyclictest33-21ksoftirqd/209:47:522
20219993530,3cyclictest25-21ksoftirqd/107:51:581
20219993529,4cyclictest25-21ksoftirqd/108:00:561
20219993529,4cyclictest25-21ksoftirqd/107:29:351
20219993528,5cyclictest25-21ksoftirqd/112:30:391
20218993528,4cyclictest9-21ksoftirqd/008:14:240
2021899351,19cyclictest0-21swapper/012:18:540
138591350,2phc2sys121rcu_preempt09:33:443
20221993428,4cyclictest41-21ksoftirqd/311:36:533
20221993428,4cyclictest41-21ksoftirqd/310:43:053
20221993428,4cyclictest41-21ksoftirqd/310:43:053
20221993428,4cyclictest41-21ksoftirqd/307:32:473
20221993427,5cyclictest41-21ksoftirqd/308:55:593
20221993411,4cyclictest25691-21expr10:35:143
20221993411,3cyclictest8166-21expr11:05:123
20220993428,4cyclictest33-21ksoftirqd/212:31:562
20220993428,4cyclictest33-21ksoftirqd/212:10:492
20220993428,4cyclictest33-21ksoftirqd/211:33:122
20220993428,4cyclictest33-21ksoftirqd/208:12:092
20220993428,4cyclictest33-21ksoftirqd/207:45:462
20219993428,4cyclictest25-21ksoftirqd/112:26:411
20219993428,4cyclictest25-21ksoftirqd/112:26:411
20219993428,4cyclictest25-21ksoftirqd/112:20:471
20219993428,4cyclictest25-21ksoftirqd/111:45:121
20219993428,4cyclictest25-21ksoftirqd/110:14:511
20219993428,4cyclictest25-21ksoftirqd/109:34:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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