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2026-01-18 - 08:02
[ 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 Sun Jan 18, 2026 00:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3603996625,5cyclictest33-21ksoftirqd/222:40:012
3603996326,5cyclictest33-21ksoftirqd/219:17:312
3603996326,5cyclictest33-21ksoftirqd/219:17:312
3603996129,6cyclictest33-21ksoftirqd/220:27:572
3603996127,4cyclictest33-21ksoftirqd/222:53:542
3603996032,4cyclictest33-21ksoftirqd/222:40:192
3603996029,3cyclictest33-21ksoftirqd/220:44:452
3603996027,3cyclictest33-21ksoftirqd/221:41:182
3603996019,6cyclictest33-21ksoftirqd/221:25:002
3603995930,3cyclictest33-21ksoftirqd/219:55:162
3603995929,8cyclictest33-21ksoftirqd/220:58:192
3603995928,4cyclictest33-21ksoftirqd/219:49:572
3603995927,6cyclictest33-21ksoftirqd/200:10:212
134491590,4ptp4l0-21swapper/300:18:403
3603995831,3cyclictest33-21ksoftirqd/221:38:512
3603995829,3cyclictest33-21ksoftirqd/223:42:572
3603995829,3cyclictest33-21ksoftirqd/223:10:262
3603995829,3cyclictest33-21ksoftirqd/223:10:262
3603995827,6cyclictest33-21ksoftirqd/219:10:252
3603995827,3cyclictest33-21ksoftirqd/221:45:222
3603995823,6cyclictest33-21ksoftirqd/200:30:012
3603995730,3cyclictest33-21ksoftirqd/222:20:252
3603995726,4cyclictest33-21ksoftirqd/221:56:262
3603995725,8cyclictest33-21ksoftirqd/221:05:212
3603995725,3cyclictest33-21ksoftirqd/223:20:252
3603995724,5cyclictest33-21ksoftirqd/220:30:212
3603995720,8cyclictest33-21ksoftirqd/223:46:032
3603995720,4cyclictest33-21ksoftirqd/220:10:232
134491570,4ptp4l0-21swapper/319:55:533
134491570,3ptp4l0-21swapper/222:07:192
134491570,2ptp4l0-21swapper/123:40:161
134491570,16ptp4l9432-21ntp_states20:30:233
3603995630,3cyclictest33-21ksoftirqd/223:29:572
3603995630,3cyclictest33-21ksoftirqd/220:08:042
3603995627,3cyclictest33-21ksoftirqd/222:46:462
3603995626,4cyclictest33-21ksoftirqd/223:35:592
3603995622,5cyclictest33-21ksoftirqd/223:00:272
3603995621,5cyclictest33-21ksoftirqd/220:25:002
3603995621,10cyclictest33-21ksoftirqd/222:15:172
3603995617,6cyclictest33-21ksoftirqd/223:35:002
134491560,4ptp4l0-21swapper/020:20:180
3603995527,7cyclictest33-21ksoftirqd/221:15:282
3603995526,5cyclictest33-21ksoftirqd/220:16:132
3603995525,3cyclictest33-21ksoftirqd/221:27:102
3603995521,6cyclictest33-21ksoftirqd/200:15:212
3603995518,3cyclictest33-21ksoftirqd/222:00:212
134491550,6ptp4l31005-21ls21:20:220
134491550,4ptp4l0-21swapper/020:25:150
134491550,3ptp4l0-21swapper/121:50:011
3603995427,7cyclictest33-21ksoftirqd/220:45:432
3603995416,8cyclictest33-21ksoftirqd/200:20:052
134691540,9getstats0-21swapper/221:01:292
134491540,3ptp4l0-21swapper/222:25:222
134491540,11ptp4l0-21swapper/120:34:421
3603995329,5cyclictest33-21ksoftirqd/221:50:382
3603995325,8cyclictest33-21ksoftirqd/222:15:012
3603995324,6cyclictest33-21ksoftirqd/219:50:172
3603995319,6cyclictest33-21ksoftirqd/223:05:192
134491530,4ptp4l0-21swapper/322:11:313
134491530,4ptp4l0-21swapper/300:34:063
134491530,4ptp4l0-21swapper/219:28:192
3603995220,6cyclictest33-21ksoftirqd/219:30:182
134491520,14ptp4l9-21ksoftirqd/022:05:160
3603995119,5cyclictest33-21ksoftirqd/200:05:272
3603995115,7cyclictest33-21ksoftirqd/223:16:262
3603995113,7cyclictest33-21ksoftirqd/222:57:252
134491510,8ptp4l1612-21iostat_ios19:05:172
134491510,5ptp4l0-21swapper/119:08:321
134491510,4ptp4l0-21swapper/323:35:083
134491510,4ptp4l0-21swapper/223:50:012
360399504,7cyclictest33-21ksoftirqd/200:00:002
3603995039,3cyclictest33-21ksoftirqd/221:10:202
3603995013,8cyclictest33-21ksoftirqd/219:24:152
134491500,4ptp4l0-21swapper/320:12:163
134491500,4ptp4l0-21swapper/200:31:322
134491500,4ptp4l0-21swapper/123:58:401
134491500,3ptp4l0-21swapper/319:11:343
134491490,5ptp4l0-21swapper/321:10:183
134491490,4ptp4l0-21swapper/323:07:113
134491490,4ptp4l0-21swapper/322:58:003
134491490,4ptp4l0-21swapper/300:26:233
134491490,4ptp4l0-21swapper/119:48:061
134491490,13ptp4l0-21swapper/200:35:382
134491490,13ptp4l0-21swapper/020:59:590
134491490,12ptp4l0-21swapper/122:22:331
360199483,43cyclictest0-21swapper/121:18:391
360199481,45cyclictest32082-21kworker/1:221:02:391
134491480,4ptp4l0-21swapper/222:32:182
134491480,3ptp4l0-21swapper/322:07:293
134491480,3ptp4l0-21swapper/319:52:263
360399475,2cyclictest33-21ksoftirqd/220:35:312
360399474,2cyclictest33-21ksoftirqd/219:44:242
360399473,2cyclictest33-21ksoftirqd/200:03:352
3603994715,5cyclictest33-21ksoftirqd/220:00:142
3603994714,4cyclictest33-21ksoftirqd/219:38:512
134491470,4ptp4l0-21swapper/320:47:063
134491470,4ptp4l0-21swapper/320:22:103
134491470,3ptp4l360199cyclictest23:02:441
134491470,3ptp4l0-21swapper/323:43:153
360199463,41cyclictest0-21swapper/120:42:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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