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2026-02-04 - 15:41
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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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 Wed Feb 04, 2026 12:45:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
87742660,5sleep20-21swapper/207:15:192
134491660,23ptp4l0-21swapper/107:05:211
134491620,4ptp4l0-21swapper/311:35:173
134491610,4ptp4l0-21swapper/210:00:202
134491610,26ptp4l25-21ksoftirqd/107:39:161
565099604,11cyclictest10410-21grep07:20:141
565099595,17cyclictest0-21swapper/111:26:131
565099583,11cyclictest19706-21latency11:05:181
134491580,3ptp4l0-21swapper/209:25:162
134491580,3ptp4l0-21swapper/009:15:240
134491570,4ptp4l0-21swapper/209:20:122
134491570,4ptp4l0-21swapper/007:45:190
134491570,3ptp4l0-21swapper/311:20:333
565099567,6cyclictest0-21swapper/112:13:521
134491560,9ptp4l0-21swapper/009:37:180
134491560,9ptp4l0-21swapper/009:37:180
134491560,4ptp4l0-21swapper/011:44:590
134491560,4ptp4l0-21swapper/008:30:220
134491550,3ptp4l28209-21ls07:55:280
565099549,6cyclictest0-21swapper/110:55:521
565099542,18cyclictest0-21swapper/109:10:281
134491540,4ptp4l0-21swapper/212:26:172
134491540,4ptp4l0-21swapper/209:30:282
134491540,3ptp4l0-21swapper/310:55:013
565099536,9cyclictest22566-21idleruntime07:45:181
565099536,14cyclictest8634-21/usr/sbin/munin09:35:231
565099536,14cyclictest8634-21/usr/sbin/munin09:35:231
565099535,9cyclictest1803-21cut09:20:171
134491530,4ptp4l0-21swapper/309:36:503
134491530,4ptp4l0-21swapper/309:36:503
134491530,4ptp4l0-21swapper/307:34:353
134491530,4ptp4l0-21swapper/307:24:103
565099526,12cyclictest0-21swapper/110:00:121
565099523,17cyclictest29136-21latency_hist09:10:001
134491520,4ptp4l0-21swapper/208:19:012
134491520,4ptp4l0-21swapper/010:47:270
134491520,4ptp4l0-21swapper/008:02:170
134491520,3ptp4l4809-21cpuspeed_turbos10:35:120
134491520,3ptp4l0-21swapper/108:40:081
134491520,11ptp4l0-21swapper/310:04:523
134491520,11ptp4l0-21swapper/011:38:480
134491510,5ptp4l0-21swapper/309:44:333
134491510,4ptp4l0-21swapper/311:01:263
134491510,4ptp4l0-21swapper/310:36:463
134491510,4ptp4l0-21swapper/012:38:480
134491510,4ptp4l0-21swapper/011:59:540
134491510,4ptp4l0-21swapper/009:56:070
134491510,4ptp4l0-21swapper/008:27:400
134491510,3ptp4l0-21swapper/310:05:223
134491510,11ptp4l0-21swapper/308:49:043
134491500,4ptp4l0-21swapper/307:28:203
134491500,4ptp4l0-21swapper/011:48:440
134491500,4ptp4l0-21swapper/008:23:480
134491500,4ptp4l0-21swapper/008:07:380
134491500,4ptp4l0-21swapper/008:07:380
134491500,3ptp4l0-21swapper/011:27:380
134491490,4ptp4l0-21swapper/308:26:423
134491490,4ptp4l0-21swapper/211:28:562
134491490,4ptp4l0-21swapper/210:07:262
134491490,3ptp4l0-21swapper/312:16:113
134491490,14ptp4l0-21swapper/309:45:413
134491480,4ptp4l0-21swapper/307:39:153
134491480,4ptp4l0-21swapper/008:54:470
134491480,4ptp4l0-21swapper/008:17:070
134491480,3ptp4l0-21swapper/310:30:143
134491480,14ptp4l33-21ksoftirqd/208:13:092
565099475,6cyclictest0-21swapper/109:01:541
134491470,4ptp4l0-21swapper/311:51:463
134491470,4ptp4l0-21swapper/212:16:042
134491470,4ptp4l0-21swapper/212:10:462
134491470,4ptp4l0-21swapper/112:33:201
134491470,4ptp4l0-21swapper/010:40:420
134491470,3ptp4l0-21swapper/007:52:440
565099468,6cyclictest0-21swapper/110:47:261
565099466,7cyclictest16286-21ntpq07:30:231
134491460,4ptp4l0-21swapper/311:13:393
134491460,4ptp4l0-21swapper/307:48:483
565099457,8cyclictest8641-21df08:25:141
565099457,8cyclictest7576-21iostat10:40:211
565099452,17cyclictest29128-21grep08:00:131
134491450,6ptp4l33-21ksoftirqd/210:30:152
134491450,4ptp4l1431-21apt-get08:10:120
134491450,4ptp4l0-21swapper/310:42:083
134491450,3ptp4l0-21swapper/309:58:503
134491450,3ptp4l0-21swapper/210:29:442
134491450,3ptp4l0-21swapper/012:01:140
565099444,5cyclictest0-21swapper/112:24:221
46198440,16rtkit-daemon0-21swapper/209:00:202
134491440,9ptp4l0-21swapper/207:35:292
134491440,4ptp4l2318-21gnome-shell07:25:590
134491440,4ptp4l0-21swapper/312:33:433
134491440,4ptp4l0-21swapper/111:31:351
134491440,4ptp4l0-21swapper/009:20:160
134491440,3ptp4l0-21swapper/308:19:523
134491440,3ptp4l0-21swapper/211:44:462
134491440,10ptp4l22013-21cat07:45:000
134491440,10ptp4l0-21swapper/308:58:503
134491440,10ptp4l0-21swapper/110:12:411
5651994338,3cyclictest33-21ksoftirqd/211:15:012
565099436,12cyclictest7431-21ntpq09:30:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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