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2026-02-26 - 10:46
[ 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 rackdslot1.osadl.org (updated Thu Feb 26, 2026 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
626621350,4sleep31177099cyclictest21:15:193
11768996934,7cyclictest25-21ksoftirqd/122:40:231
11770996712,52cyclictest9312-21taskset20:13:153
1177099665,17cyclictest0-21swapper/320:05:273
1177099659,10cyclictest23986-21tune2fs19:35:153
11770996512,11cyclictest16760-21chrt22:45:373
11770996511,10cyclictest26332-21awk22:00:003
11770996510,11cyclictest22751-21sed23:00:183
11768996530,7cyclictest25-21ksoftirqd/100:00:001
11768996528,8cyclictest25-21ksoftirqd/123:35:111
1177099648,11cyclictest8525-21sort21:20:183
1177099648,11cyclictest6196-21cpuspeed_turbos23:35:123
1177099647,16cyclictest4524-21irqrtprio23:30:193
11770996412,49cyclictest594-21seq21:05:053
11770996412,11cyclictest16189-21taskset19:19:503
11770996412,10cyclictest29911-21taskset19:45:333
1177099639,11cyclictest32014-21date19:50:253
1177099639,11cyclictest16860-21mailstats23:55:263
11770996310,11cyclictest11334-21idleruntime23:45:163
11768996330,8cyclictest25-21ksoftirqd/120:35:271
11768996330,4cyclictest25-21ksoftirqd/119:45:141
11768996324,7cyclictest25-21ksoftirqd/121:40:171
1177099626,9cyclictest15093-21irqrtprio20:25:173
1177099626,11cyclictest1301-21snmpd21:50:003
11770996210,11cyclictest27750-21tail22:00:233
11768996230,4cyclictest25-21ksoftirqd/119:30:151
11768996229,9cyclictest25-21ksoftirqd/120:30:161
134491610,4ptp4l0-21swapper/100:20:181
1177099619,17cyclictest17678-21sed20:30:193
11768996129,4cyclictest25-21ksoftirqd/121:15:171
11768996128,8cyclictest25-21ksoftirqd/121:50:001
11768996125,7cyclictest25-21ksoftirqd/121:50:141
11769996023,4cyclictest33-21ksoftirqd/222:59:592
11768996036,3cyclictest25-21ksoftirqd/120:45:001
11768996031,9cyclictest25-21ksoftirqd/122:35:191
11768996030,6cyclictest25-21ksoftirqd/120:55:001
11768996030,3cyclictest25-21ksoftirqd/122:45:181
11768996028,4cyclictest25-21ksoftirqd/121:05:241
11768996027,3cyclictest25-21ksoftirqd/120:45:211
11768996025,8cyclictest25-21ksoftirqd/122:20:181
11768996023,8cyclictest25-21ksoftirqd/123:10:211
11768996023,4cyclictest25-21ksoftirqd/120:25:101
134491590,4ptp4l0-21swapper/222:38:412
134491590,3ptp4l0-21swapper/020:50:010
1177099598,9cyclictest0-21swapper/323:15:243
1177099598,15cyclictest977-21irqrtprio19:55:173
1177099596,10cyclictest0-21swapper/320:05:003
1177099595,11cyclictest0-21swapper/323:10:003
1177099594,11cyclictest0-21swapper/319:10:223
11770995910,15cyclictest8137-21cpuspeed22:30:123
11768995930,6cyclictest25-21ksoftirqd/100:35:191
11768995928,4cyclictest25-21ksoftirqd/119:25:211
11768995925,8cyclictest25-21ksoftirqd/122:25:181
11768995925,7cyclictest25-21ksoftirqd/119:55:131
11768995925,6cyclictest25-21ksoftirqd/123:45:211
11768995924,6cyclictest25-21ksoftirqd/123:05:191
11768995921,9cyclictest25-21ksoftirqd/122:00:161
134491580,4ptp4l0-21swapper/119:20:241
134491580,4ptp4l0-21swapper/019:05:150
1177099589,10cyclictest552-21irqrtprio00:30:173
1177099589,10cyclictest552-21irqrtprio00:30:173
1177099587,13cyclictest30384-21grep00:25:163
1177099584,11cyclictest0-21swapper/320:50:133
11770995810,13cyclictest18479-21ntp_states22:50:233
11770995810,10cyclictest2163-21sed23:25:213
11768995837,7cyclictest25-21ksoftirqd/119:40:201
11768995828,7cyclictest25-21ksoftirqd/122:10:001
11768995827,6cyclictest25-21ksoftirqd/120:20:001
11768995827,6cyclictest25-21ksoftirqd/120:20:001
11768995827,6cyclictest25-21ksoftirqd/100:30:231
11768995827,6cyclictest25-21ksoftirqd/100:30:231
11768995824,8cyclictest25-21ksoftirqd/123:25:001
11768995821,8cyclictest25-21ksoftirqd/120:10:141
11768995821,6cyclictest25-21ksoftirqd/122:55:281
11768995821,4cyclictest25-21ksoftirqd/100:05:131
11768995819,6cyclictest25-21ksoftirqd/122:10:261
134491570,4ptp4l0-21swapper/222:10:202
134491570,3ptp4l0-21swapper/022:00:190
1177099577,10cyclictest16823-21expr19:20:143
11768995724,8cyclictest25-21ksoftirqd/119:50:141
134491560,4ptp4l0-21swapper/000:22:080
134491560,3ptp4l0-21swapper/320:39:133
1177099569,10cyclictest10064-21fschecks_count20:15:153
1177099569,10cyclictest10064-21fschecks_count20:15:153
1177099568,10cyclictest14610-21cat23:50:243
1177099567,17cyclictest0-21swapper/300:35:243
1177099566,13cyclictest26835-21unixbench_singl00:15:283
1177099565,17cyclictest31524-21irqrtprio21:00:193
11769995615,9cyclictest33-21ksoftirqd/221:28:432
11768995631,6cyclictest25-21ksoftirqd/121:20:171
11768995622,8cyclictest25-21ksoftirqd/122:30:181
134491550,5ptp4l0-21swapper/000:04:320
134491550,3ptp4l0-21swapper/300:00:593
1177099558,12cyclictest27627-21cat23:10:203
1177099557,11cyclictest9930-21/usr/sbin/munin21:25:243
11768995529,7cyclictest25-21ksoftirqd/121:30:011
11768995523,7cyclictest25-21ksoftirqd/119:10:121
11768995523,3cyclictest25-21ksoftirqd/100:15:271
11768995522,9cyclictest25-21ksoftirqd/122:15:241
11768995521,8cyclictest25-21ksoftirqd/119:15:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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