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2026-01-31 - 13:00
[ 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 Sat Jan 31, 2026 00:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591209174,23phc2sys0-21swapper/319:05:543
196052201167,23sleep10-21swapper/119:06:541
197662200167,22sleep20-21swapper/219:09:002
196712198164,23sleep00-21swapper/019:07:450
20335996327,8cyclictest25-21ksoftirqd/120:55:001
20335996224,9cyclictest25-21ksoftirqd/120:00:011
20335996224,9cyclictest25-21ksoftirqd/120:00:011
20335996125,8cyclictest25-21ksoftirqd/100:40:001
20335996125,7cyclictest25-21ksoftirqd/123:40:001
20335996024,4cyclictest25-21ksoftirqd/123:34:591
20335995830,3cyclictest25-21ksoftirqd/122:10:201
20335995828,7cyclictest25-21ksoftirqd/121:20:011
20335995824,8cyclictest25-21ksoftirqd/100:20:001
20335995823,10cyclictest25-21ksoftirqd/121:00:001
20335995727,4cyclictest25-21ksoftirqd/119:25:231
20335995727,4cyclictest25-21ksoftirqd/119:25:221
20335995726,8cyclictest25-21ksoftirqd/120:05:131
20335995627,7cyclictest25-21ksoftirqd/122:15:111
20335995626,8cyclictest25-21ksoftirqd/122:00:201
20335995621,8cyclictest25-21ksoftirqd/123:45:001
20335995619,9cyclictest25-21ksoftirqd/121:35:191
181942560,1sleep00-21swapper/022:20:130
99682550,5sleep19971-21unixbench_singl23:05:271
20335995529,7cyclictest25-21ksoftirqd/123:00:211
20335995526,6cyclictest25-21ksoftirqd/121:05:141
20335995526,4cyclictest25-21ksoftirqd/122:45:251
20335995525,8cyclictest25-21ksoftirqd/120:30:131
20335995524,8cyclictest25-21ksoftirqd/123:10:131
20335995521,7cyclictest25-21ksoftirqd/121:20:251
20335995424,8cyclictest25-21ksoftirqd/120:30:001
20335995424,8cyclictest25-21ksoftirqd/100:20:131
20335995424,7cyclictest25-21ksoftirqd/120:35:151
20335995424,4cyclictest25-21ksoftirqd/119:30:211
20335995423,4cyclictest25-21ksoftirqd/121:10:251
20335995423,10cyclictest25-21ksoftirqd/123:25:281
20335995422,7cyclictest25-21ksoftirqd/119:10:151
20335995421,8cyclictest25-21ksoftirqd/100:25:141
20335995421,5cyclictest25-21ksoftirqd/100:10:141
20335995417,9cyclictest25-21ksoftirqd/122:25:141
20335995417,8cyclictest25-21ksoftirqd/122:20:121
134991540,4getstats0-21swapper/300:25:283
62262530,4sleep26227-21irqrtprio19:45:182
20335995326,6cyclictest25-21ksoftirqd/122:35:221
20335995324,7cyclictest25-21ksoftirqd/122:30:261
20335995322,8cyclictest25-21ksoftirqd/123:50:261
20335995322,7cyclictest25-21ksoftirqd/120:45:151
20335995320,6cyclictest25-21ksoftirqd/122:40:261
20335995320,10cyclictest25-21ksoftirqd/122:55:131
20335995318,8cyclictest25-21ksoftirqd/122:05:151
20335995318,8cyclictest25-21ksoftirqd/119:35:131
20335995318,10cyclictest25-21ksoftirqd/121:45:271
20335995226,7cyclictest25-21ksoftirqd/121:25:141
20335995226,7cyclictest25-21ksoftirqd/119:40:131
20335995224,8cyclictest25-21ksoftirqd/121:55:161
20335995224,4cyclictest25-21ksoftirqd/120:10:151
20335995224,3cyclictest25-21ksoftirqd/119:45:111
20335995223,9cyclictest25-21ksoftirqd/120:40:221
20335995223,8cyclictest25-21ksoftirqd/121:40:131
20335995222,8cyclictest25-21ksoftirqd/122:50:141
20335995222,7cyclictest25-21ksoftirqd/119:50:151
20335995222,3cyclictest25-21ksoftirqd/123:55:231
20335995221,8cyclictest25-21ksoftirqd/123:20:161
20335995221,8cyclictest25-21ksoftirqd/121:50:171
20335995221,8cyclictest25-21ksoftirqd/120:15:131
20335995220,7cyclictest25-21ksoftirqd/123:45:131
20335995220,10cyclictest25-21ksoftirqd/120:20:151
20335995219,4cyclictest25-21ksoftirqd/119:15:161
20335995216,4cyclictest25-21ksoftirqd/123:15:241
20335995122,8cyclictest25-21ksoftirqd/100:00:231
20335995121,8cyclictest25-21ksoftirqd/100:30:141
20335995117,12cyclictest25-21ksoftirqd/119:20:131
20335995021,4cyclictest25-21ksoftirqd/121:35:001
20335995017,5cyclictest25-21ksoftirqd/121:00:251
20335994922,6cyclictest25-21ksoftirqd/100:05:251
20335994921,8cyclictest25-21ksoftirqd/120:00:151
13272490,2sleep20-21swapper/223:55:182
306152460,2sleep00-21swapper/021:40:120
2033499459,20cyclictest24970-21seq19:18:560
20337994438,3cyclictest19903-21apt20:15:003
138491430,0ptp4l401ktimersoftd/323:53:443
138491430,0ptp4l401ktimersoftd/322:36:563
138491430,0ptp4l401ktimersoftd/321:09:443
138491430,0ptp4l401ktimersoftd/319:24:213
138491430,0ptp4l401ktimersoftd/300:23:053
20336994237,3cyclictest33-21ksoftirqd/200:40:012
20336994237,2cyclictest10585-21apt00:15:012
138491420,0ptp4l401ktimersoftd/320:00:323
138491420,0ptp4l401ktimersoftd/319:33:443
2033499411,3cyclictest12797-21runrttasks23:14:270
138491410,0ptp4l401ktimersoftd/319:36:333
138491410,0ptp4l401ktimersoftd/300:18:593
2033499390,4cyclictest30275-21taskset23:48:380
20337993832,3cyclictest41-21ksoftirqd/319:45:003
2033799380,23cyclictest21862-21mailstats21:20:243
20336993833,3cyclictest33-21ksoftirqd/220:00:002
20336993833,3cyclictest33-21ksoftirqd/219:59:592
20336993832,4cyclictest33-21ksoftirqd/222:36:142
20336993825,4cyclictest33-21ksoftirqd/220:33:242
20334993833,3cyclictest9-21ksoftirqd/000:30:000
2033499380,3cyclictest5230-21taskset22:57:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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