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2026-02-07 - 13:50
[ 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 Feb 07, 2026 00:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591231167,52phc2sys0-21swapper/319:08:483
278072201168,22sleep20-21swapper/219:07:342
278102199165,22sleep00-21swapper/019:07:360
276872199165,23sleep10-21swapper/119:06:001
1704721330,5sleep12828799cyclictest00:15:011
1692121330,4sleep22828899cyclictest22:00:162
28287996524,9cyclictest25-21ksoftirqd/120:35:261
28287996423,8cyclictest25-21ksoftirqd/121:45:231
28287996423,7cyclictest25-21ksoftirqd/122:45:251
28287996330,9cyclictest25-21ksoftirqd/119:30:121
28287996323,9cyclictest25-21ksoftirqd/120:15:211
28287996323,10cyclictest25-21ksoftirqd/123:35:141
28287996224,6cyclictest25-21ksoftirqd/120:50:141
28287996223,7cyclictest25-21ksoftirqd/119:25:121
28287996222,8cyclictest25-21ksoftirqd/120:05:151
68402610,5sleep06836-21kernelversion19:30:190
28287996128,8cyclictest25-21ksoftirqd/120:55:181
28287996125,6cyclictest25-21ksoftirqd/100:25:161
28287996124,8cyclictest25-21ksoftirqd/120:45:221
28287996122,7cyclictest25-21ksoftirqd/123:40:221
28287996122,7cyclictest25-21ksoftirqd/123:25:241
28287996122,7cyclictest25-21ksoftirqd/119:20:211
28287996028,7cyclictest25-21ksoftirqd/120:40:141
28287996025,8cyclictest25-21ksoftirqd/121:40:151
28287996023,7cyclictest25-21ksoftirqd/120:30:141
28287996022,7cyclictest25-21ksoftirqd/122:55:261
235762600,2sleep00-21swapper/023:20:210
28287995924,6cyclictest25-21ksoftirqd/121:05:221
28287995924,4cyclictest25-21ksoftirqd/121:15:131
28287995923,7cyclictest25-21ksoftirqd/123:30:131
28287995923,6cyclictest25-21ksoftirqd/121:20:211
28287995922,6cyclictest25-21ksoftirqd/100:35:231
28287995922,6cyclictest25-21ksoftirqd/100:35:231
28287995921,8cyclictest25-21ksoftirqd/123:05:221
28287995920,7cyclictest25-21ksoftirqd/100:05:251
28287995828,4cyclictest25-21ksoftirqd/119:35:251
28287995826,8cyclictest25-21ksoftirqd/100:00:001
28287995824,6cyclictest25-21ksoftirqd/123:10:161
28287995823,8cyclictest25-21ksoftirqd/100:30:211
28287995823,6cyclictest25-21ksoftirqd/119:40:261
28287995822,4cyclictest25-21ksoftirqd/122:50:191
28287995723,7cyclictest25-21ksoftirqd/123:00:161
28287995723,11cyclictest25-21ksoftirqd/123:50:001
28287995622,8cyclictest25-21ksoftirqd/121:35:171
28287995618,4cyclictest25-21ksoftirqd/121:00:261
28287995617,4cyclictest25-21ksoftirqd/120:00:151
162082560,1sleep30-21swapper/322:00:003
28287995521,11cyclictest25-21ksoftirqd/119:45:151
28287995520,7cyclictest25-21ksoftirqd/121:50:231
28287995519,8cyclictest25-21ksoftirqd/100:20:141
43122540,2sleep30-21swapper/323:50:003
28287995423,9cyclictest25-21ksoftirqd/122:20:251
28287995420,7cyclictest25-21ksoftirqd/121:55:211
138491530,1ptp4l401ktimersoftd/320:57:513
2828799527,3cyclictest25-21ksoftirqd/121:10:151
2828799527,3cyclictest25-21ksoftirqd/119:15:231
2828799523,7cyclictest25-21ksoftirqd/123:50:181
2828799523,7cyclictest25-21ksoftirqd/122:25:151
2828799514,7cyclictest25-21ksoftirqd/100:00:141
2828799513,7cyclictest25-21ksoftirqd/122:30:161
2828799513,7cyclictest25-21ksoftirqd/122:10:121
2828799513,7cyclictest25-21ksoftirqd/100:10:171
2828799512,7cyclictest25-21ksoftirqd/119:55:241
28287995119,7cyclictest25-21ksoftirqd/122:40:111
2828799506,3cyclictest25-21ksoftirqd/119:50:101
2828799505,6cyclictest25-21ksoftirqd/122:05:011
2828799504,10cyclictest25-21ksoftirqd/122:05:131
2828799503,7cyclictest25-21ksoftirqd/121:25:231
2828799502,8cyclictest25-21ksoftirqd/123:20:111
2828799501,7cyclictest25-21ksoftirqd/120:25:161
2828799495,7cyclictest25-21ksoftirqd/120:10:241
2828799492,8cyclictest25-21ksoftirqd/122:15:141
2828799492,7cyclictest25-21ksoftirqd/122:35:241
2828799491,7cyclictest25-21ksoftirqd/121:30:181
2828799485,8cyclictest25-21ksoftirqd/119:10:261
28288994731,5cyclictest33-21ksoftirqd/222:10:002
28288994730,5cyclictest33-21ksoftirqd/219:10:202
2828799463,7cyclictest25-21ksoftirqd/120:20:151
27482460,3sleep00-21swapper/020:25:260
28286994540,3cyclictest9-21ksoftirqd/021:00:010
2828799441,2cyclictest121rcu_preempt23:20:001
138491440,0ptp4l401ktimersoftd/322:20:173
138491430,0ptp4l401ktimersoftd/323:35:273
138491430,0ptp4l401ktimersoftd/322:15:223
138491430,0ptp4l401ktimersoftd/321:45:573
28286994238,2cyclictest5599-21cron19:30:010
28286994235,4cyclictest9-21ksoftirqd/019:40:000
28289994136,3cyclictest31178-21sh22:30:003
28288994136,3cyclictest33-21ksoftirqd/221:40:002
28288994122,9cyclictest33-21ksoftirqd/222:25:132
28288994029,9cyclictest33-21ksoftirqd/222:44:092
28288994023,5cyclictest33-21ksoftirqd/219:20:012
28288994021,9cyclictest33-21ksoftirqd/223:05:172
2828899400,2cyclictest0-21swapper/220:15:182
28286994034,3cyclictest9-21ksoftirqd/020:45:000
28288993935,2cyclictest33-21ksoftirqd/200:40:012
28288993935,2cyclictest33-21ksoftirqd/200:40:012
28288993928,9cyclictest33-21ksoftirqd/222:45:142
28288993920,11cyclictest33-21ksoftirqd/219:35:232
138491390,2ptp4l7378-21processes20:35:243
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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