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2026-01-20 - 19:03
[ 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 rackdslot3.osadl.org (updated Tue Jan 20, 2026 12:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
312512208160,36sleep20-21swapper/207:07:182
313292203169,22sleep30-21swapper/307:08:193
313642202170,21sleep10-21swapper/107:08:451
313012199166,22sleep00-21swapper/007:07:570
1925021620,2sleep13176199cyclictest07:50:161
2098321600,7sleep33176399cyclictest07:55:003
139391630,7ptp4l3176399cyclictest11:40:183
159202620,3sleep00-21swapper/008:50:170
31762996110,23cyclictest28022-21latency_hist08:10:002
189032590,3sleep118900-21cpu10:05:111
255532570,1sleep10-21swapper/111:25:221
139391570,1ptp4l401ktimersoftd/310:01:043
49832560,4sleep24985-21fschecks_time09:35:162
139391540,1ptp4l391rcuc/307:20:223
44432530,1sleep10-21swapper/107:20:131
135922520,2sleep00-21swapper/011:00:180
202222500,1sleep00-21swapper/010:05:220
139391480,1ptp4l401ktimersoftd/311:38:423
3176199431,39cyclictest304-21wc08:20:001
139391420,0ptp4l401ktimersoftd/308:42:553
3176299401,3cyclictest1511-21cron07:15:002
139391400,0ptp4l401ktimersoftd/310:19:563
139391400,0ptp4l401ktimersoftd/310:19:563
139391400,0ptp4l401ktimersoftd/309:19:253
31763993932,5cyclictest41-21ksoftirqd/310:30:003
31761993932,4cyclictest30703-21cron10:30:011
31763993833,3cyclictest41-21ksoftirqd/310:59:593
3176299383,32cyclictest26246-21grep09:10:282
31761993833,3cyclictest25-21ksoftirqd/107:30:011
31761993832,4cyclictest25-21ksoftirqd/111:38:451
31762993731,4cyclictest33-21ksoftirqd/208:17:252
31763993631,3cyclictest41-21ksoftirqd/312:40:003
31763993631,3cyclictest41-21ksoftirqd/312:40:003
31763993630,4cyclictest41-21ksoftirqd/308:38:163
31762993631,3cyclictest33-21ksoftirqd/210:52:432
31762993614,19cyclictest6734-21dump-pmu-power11:55:002
31761993631,3cyclictest25-21ksoftirqd/111:05:001
31761993631,3cyclictest25-21ksoftirqd/110:40:101
31761993631,3cyclictest25-21ksoftirqd/109:30:151
31761993630,4cyclictest25-21ksoftirqd/112:15:451
31761993630,4cyclictest25-21ksoftirqd/108:07:131
31761993630,4cyclictest25-21ksoftirqd/107:47:031
31760993628,5cyclictest9-21ksoftirqd/007:40:130
139391360,0ptp4l401ktimersoftd/312:15:263
31763993530,3cyclictest41-21ksoftirqd/309:00:013
31763993530,3cyclictest41-21ksoftirqd/307:34:593
31763993529,4cyclictest41-21ksoftirqd/311:09:363
31763993529,4cyclictest41-21ksoftirqd/310:35:463
31763993510,4cyclictest41-21ksoftirqd/309:10:213
31762993529,4cyclictest33-21ksoftirqd/211:34:222
31762993513,20cyclictest16515-21/usr/sbin/munin12:15:162
31762993510,22cyclictest733-21grep08:20:132
31761993530,3cyclictest25-21ksoftirqd/110:30:111
31761993530,3cyclictest25-21ksoftirqd/108:30:131
31761993529,4cyclictest25-21ksoftirqd/110:24:011
31761993529,4cyclictest25-21ksoftirqd/110:14:581
31761993529,4cyclictest25-21ksoftirqd/110:03:111
31761993529,3cyclictest25-21ksoftirqd/110:20:001
31761993529,3cyclictest25-21ksoftirqd/110:20:001
31760993530,3cyclictest9-21ksoftirqd/010:21:180
31760993529,4cyclictest9-21ksoftirqd/010:30:380
31763993430,2cyclictest41-21ksoftirqd/311:34:593
31763993429,3cyclictest41-21ksoftirqd/311:24:243
31763993428,4cyclictest41-21ksoftirqd/310:40:353
31763993428,4cyclictest41-21ksoftirqd/308:17:503
3176299349,22cyclictest23597-21awk10:15:002
3176299349,22cyclictest17450-21latency_hist11:10:002
31762993429,3cyclictest33-21ksoftirqd/207:37:052
31762993428,4cyclictest33-21ksoftirqd/212:26:492
31762993428,4cyclictest33-21ksoftirqd/211:42:082
31762993428,4cyclictest33-21ksoftirqd/211:27:522
31762993428,4cyclictest33-21ksoftirqd/211:24:152
31762993428,4cyclictest33-21ksoftirqd/210:24:422
31762993428,4cyclictest33-21ksoftirqd/208:49:432
31762993415,4cyclictest29212-21cron09:20:012
31762993412,20cyclictest10188-21/usr/sbin/munin08:40:292
31761993429,3cyclictest25-21ksoftirqd/109:10:131
31761993429,3cyclictest25-21ksoftirqd/109:04:311
31761993428,4cyclictest25-21ksoftirqd/108:53:311
31761993428,4cyclictest25-21ksoftirqd/108:14:431
31761993428,4cyclictest25-21ksoftirqd/108:14:431
31760993428,4cyclictest9-21ksoftirqd/010:18:500
31760993428,4cyclictest9-21ksoftirqd/010:18:500
31760993428,4cyclictest9-21ksoftirqd/009:52:550
31760993428,4cyclictest9-21ksoftirqd/008:37:290
31760993428,4cyclictest9-21ksoftirqd/007:17:180
31763993330,2cyclictest41-21ksoftirqd/308:15:003
31763993330,2cyclictest41-21ksoftirqd/308:15:003
31763993329,3cyclictest41-21ksoftirqd/312:29:593
31763993329,2cyclictest41-21ksoftirqd/308:55:013
31763993328,3cyclictest41-21ksoftirqd/308:20:183
31763993327,4cyclictest41-21ksoftirqd/312:04:403
31763993327,4cyclictest41-21ksoftirqd/311:19:113
31763993327,4cyclictest41-21ksoftirqd/309:31:493
31763993327,4cyclictest41-21ksoftirqd/308:26:423
3176299339,21cyclictest10049-21irqrtprio07:30:182
3176299338,22cyclictest15650-21ps08:50:162
31762993328,3cyclictest33-21ksoftirqd/210:59:442
31762993328,3cyclictest33-21ksoftirqd/209:40:122
31762993327,4cyclictest33-21ksoftirqd/211:16:052
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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