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2026-02-20 - 01:05
[ 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 Thu Feb 19, 2026 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1902122050,8sleep20-21swapper/207:10:012
138591203170,22phc2sys0-21swapper/307:09:123
187172202169,22sleep10-21swapper/107:08:361
187462199168,20sleep00-21swapper/007:09:000
2922721200,3sleep00-21swapper/007:30:120
138491660,0ptp4l401ktimersoftd/307:47:263
138491660,0ptp4l401ktimersoftd/307:47:263
19117995919,4cyclictest25-21ksoftirqd/112:20:151
19116995828,3cyclictest9-21ksoftirqd/007:40:000
19116995724,3cyclictest9-21ksoftirqd/012:20:140
19117995526,3cyclictest25-21ksoftirqd/108:15:131
19117995526,3cyclictest25-21ksoftirqd/108:15:131
254722540,4sleep125471-21timerandwakeup09:30:241
19117995420,6cyclictest25-21ksoftirqd/109:05:271
19116995423,3cyclictest9-21ksoftirqd/007:55:210
19117995322,4cyclictest25-21ksoftirqd/110:00:211
19116995320,3cyclictest9-21ksoftirqd/009:55:170
138491530,1ptp4l401ktimersoftd/310:40:173
19116995225,3cyclictest9-21ksoftirqd/010:55:120
19116995223,3cyclictest9-21ksoftirqd/011:50:160
19116995222,4cyclictest9-21ksoftirqd/007:50:120
19116995222,3cyclictest9-21ksoftirqd/009:30:180
19116995221,4cyclictest9-21ksoftirqd/008:25:010
75692510,1sleep20-21swapper/212:10:202
19117995116,4cyclictest25-21ksoftirqd/110:40:001
19116995123,3cyclictest9-21ksoftirqd/010:05:140
19116995121,3cyclictest9-21ksoftirqd/011:15:010
19116995119,3cyclictest9-21ksoftirqd/010:50:120
19116995024,3cyclictest9-21ksoftirqd/011:45:240
19116995022,4cyclictest9-21ksoftirqd/009:15:160
19116995022,4cyclictest9-21ksoftirqd/009:15:160
19116995021,3cyclictest9-21ksoftirqd/007:20:250
19116995020,3cyclictest9-21ksoftirqd/011:05:240
19116995017,3cyclictest9-21ksoftirqd/007:15:140
19116995016,4cyclictest9-21ksoftirqd/008:05:000
1911799494,4cyclictest25-21ksoftirqd/110:15:111
1911799494,4cyclictest25-21ksoftirqd/110:15:111
1911699499,4cyclictest9-21ksoftirqd/011:20:240
19116994920,3cyclictest9-21ksoftirqd/010:30:210
19116994919,3cyclictest9-21ksoftirqd/010:35:270
19116994918,3cyclictest9-21ksoftirqd/008:55:250
19117994842,3cyclictest31259-21cron10:50:001
19117994842,3cyclictest31259-21cron10:50:001
19117994818,4cyclictest25-21ksoftirqd/108:05:191
19116994823,3cyclictest9-21ksoftirqd/009:20:230
19116994819,4cyclictest9-21ksoftirqd/007:45:260
19116994819,4cyclictest9-21ksoftirqd/007:45:260
19116994819,3cyclictest9-21ksoftirqd/012:30:130
19116994818,3cyclictest9-21ksoftirqd/009:10:240
19116994816,4cyclictest9-21ksoftirqd/012:00:000
138491480,0ptp4l401ktimersoftd/310:46:493
138491480,0ptp4l401ktimersoftd/310:46:493
1911799479,9cyclictest25-21ksoftirqd/111:35:191
1911799471,3cyclictest121rcu_preempt08:55:231
19116994717,4cyclictest9-21ksoftirqd/009:45:180
19116994717,4cyclictest9-21ksoftirqd/009:45:180
1911799468,7cyclictest25-21ksoftirqd/108:20:251
1911799463,2cyclictest25-21ksoftirqd/112:35:161
19117994618,3cyclictest121rcu_preempt10:10:251
19117994612,8cyclictest25-21ksoftirqd/109:35:211
19116994611,3cyclictest9-21ksoftirqd/008:25:140
1911799459,4cyclictest25-21ksoftirqd/112:10:101
19117994528,3cyclictest25-21ksoftirqd/109:14:101
19117994515,4cyclictest25-21ksoftirqd/111:25:281
19117994512,4cyclictest25-21ksoftirqd/107:10:191
19117994511,5cyclictest25-21ksoftirqd/110:40:121
19116994520,4cyclictest9-21ksoftirqd/008:52:270
19116994518,3cyclictest9-21ksoftirqd/011:30:110
19116994517,3cyclictest9-21ksoftirqd/012:05:260
1911699451,6cyclictest121rcu_preempt10:05:000
19116994514,4cyclictest9-21ksoftirqd/008:35:000
153932450,2sleep10-21swapper/112:25:231
1911799445,3cyclictest25-21ksoftirqd/109:53:051
1911799442,2cyclictest25-21ksoftirqd/110:25:231
19117994411,4cyclictest25-21ksoftirqd/111:00:131
19117994410,8cyclictest25-21ksoftirqd/108:35:241
19117994410,4cyclictest25-21ksoftirqd/109:20:181
19116994416,3cyclictest9-21ksoftirqd/011:25:150
19116994415,3cyclictest9-21ksoftirqd/008:05:230
1911799432,6cyclictest25-21ksoftirqd/107:15:231
19116994334,3cyclictest9-21ksoftirqd/008:10:270
1911699432,3cyclictest9-21ksoftirqd/009:25:120
19118994236,3cyclictest6345-21apt08:55:002
1911799429,3cyclictest121rcu_preempt08:00:141
1911799426,9cyclictest25-21ksoftirqd/107:55:171
1911799426,4cyclictest25-21ksoftirqd/112:15:011
1911799426,4cyclictest25-21ksoftirqd/112:15:001
19117994229,3cyclictest25-21ksoftirqd/107:40:001
19116994227,4cyclictest9-21ksoftirqd/008:15:130
19116994227,4cyclictest9-21ksoftirqd/008:15:130
19116994218,3cyclictest9-21ksoftirqd/010:20:220
19116994211,3cyclictest9-21ksoftirqd/012:00:140
19116994210,3cyclictest9-21ksoftirqd/011:00:260
138491420,0ptp4l401ktimersoftd/308:14:533
138491420,0ptp4l401ktimersoftd/307:24:073
1911799415,7cyclictest25-21ksoftirqd/108:40:191
1911799414,10cyclictest25-21ksoftirqd/107:30:211
19117994136,2cyclictest25-21ksoftirqd/110:35:001
19117994135,3cyclictest25-21ksoftirqd/108:35:001
1911799413,2cyclictest121rcu_preempt12:00:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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