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2026-02-23 - 21:39
[ 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 Mon Feb 23, 2026 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1407521610,24sleep23142399cyclictest07:40:192
31423997810,65cyclictest29778-21latency_hist09:25:012
134491610,5ptp4l0-21swapper/307:05:163
134491610,5ptp4l0-21swapper/207:06:262
3142399603,2cyclictest0-21swapper/210:40:162
134491590,3ptp4l0-21swapper/111:20:231
134491580,4ptp4l0-21swapper/307:20:033
134491580,4ptp4l0-21swapper/212:20:212
134491580,3ptp4l0-21swapper/209:50:192
134491580,3ptp4l0-21swapper/011:40:170
134491560,3ptp4l0-21swapper/112:39:441
134491550,3ptp4l0-21swapper/108:59:551
134491530,4ptp4l0-21swapper/009:14:290
3142299525,6cyclictest0-21swapper/111:35:221
206002520,3sleep00-21swapper/011:20:260
134691520,10getstats0-21swapper/311:00:513
134491520,4ptp4l0-21swapper/309:01:283
134491520,4ptp4l0-21swapper/011:29:410
134491520,3ptp4l0-21swapper/009:55:280
134491520,3ptp4l0-21swapper/008:35:190
315642510,4sleep20-21swapper/209:25:272
3142299512,12cyclictest0-21swapper/111:40:171
134491510,4ptp4l0-21swapper/210:38:042
134491510,3ptp4l0-21swapper/312:09:393
134491510,3ptp4l0-21swapper/312:09:383
134491510,3ptp4l0-21swapper/310:47:113
3142299504,7cyclictest0-21swapper/112:20:271
3142299504,10cyclictest0-21swapper/112:05:261
3142299504,10cyclictest0-21swapper/112:05:251
3142299503,11cyclictest0-21swapper/111:10:251
3142299502,6cyclictest25-21ksoftirqd/110:05:131
3142299502,11cyclictest0-21swapper/107:25:411
134491500,4ptp4l0-21swapper/109:47:571
134491500,10ptp4l0-21swapper/007:59:020
3142299494,6cyclictest0-21swapper/107:55:251
3142299493,6cyclictest25-21ksoftirqd/107:35:011
134491490,5ptp4l41-21ksoftirqd/311:35:583
3142299481,6cyclictest0-21swapper/107:35:171
3142299480,6cyclictest25-21ksoftirqd/107:50:261
134491480,12ptp4l0-21swapper/210:20:162
3142299476,7cyclictest25-21ksoftirqd/112:04:231
3142299473,5cyclictest25-21ksoftirqd/110:35:271
3142299473,5cyclictest25-21ksoftirqd/108:00:261
3142299473,5cyclictest25-21ksoftirqd/108:00:261
134491470,4ptp4l0-21swapper/108:45:271
31422994629,9cyclictest25-21ksoftirqd/111:45:251
3142299462,5cyclictest0-21swapper/107:15:271
134491460,4ptp4l0-21swapper/109:16:531
3142299453,11cyclictest0-21swapper/109:20:251
3142299452,6cyclictest0-21swapper/110:55:211
3142299451,9cyclictest0-21swapper/109:50:101
134491450,2ptp4l0-21swapper/012:00:210
134491450,10ptp4l0-21swapper/011:30:180
3142299443,7cyclictest0-21swapper/109:35:161
3142299441,6cyclictest25-21ksoftirqd/110:30:151
134491440,9ptp4l0-21swapper/209:08:212
134491440,4ptp4l0-21swapper/209:04:272
134491440,4ptp4l0-21swapper/107:20:551
134491440,4ptp4l0-21swapper/008:29:310
134491440,3ptp4l101ktimersoftd/008:10:150
134491440,3ptp4l0-21swapper/210:18:442
134491440,3ptp4l0-21swapper/208:47:122
134491440,3ptp4l0-21swapper/207:49:252
134491440,3ptp4l0-21swapper/109:59:371
134491440,3ptp4l0-21swapper/007:45:370
3142299435,6cyclictest0-21swapper/111:05:171
3142299433,7cyclictest25-21ksoftirqd/112:17:221
3142299431,7cyclictest0-21swapper/108:11:351
3142299430,6cyclictest25-21ksoftirqd/108:35:011
134491430,9ptp4l0-21swapper/212:28:052
134491430,9ptp4l0-21swapper/207:57:472
134491430,8ptp4l5974-21if_enp1s012:00:162
134491430,8ptp4l0-21swapper/211:37:222
134491430,5ptp4l0-21swapper/012:35:110
134491430,5ptp4l0-21swapper/009:50:250
134491430,4ptp4l7987-21apt-get12:05:030
134491430,4ptp4l7987-21apt-get12:05:030
134491430,4ptp4l25396-21apt-get09:15:132
134491430,4ptp4l2219-21apt-get09:35:020
134491430,4ptp4l0-21swapper/011:37:550
134491430,4ptp4l0-21swapper/008:59:580
134491430,3ptp4l21432-21apt-get10:15:120
134491430,10ptp4l30419-21latency_hist10:35:000
31423994236,4cyclictest33-21ksoftirqd/210:15:012
3142299420,7cyclictest0-21swapper/110:27:061
3142299420,6cyclictest0-21swapper/111:30:161
3142299420,4cyclictest0-21swapper/108:25:281
134491420,9ptp4l0-21swapper/210:29:532
134491420,6ptp4l4724-21sshd10:46:271
134491420,5ptp4l0-21swapper/212:10:152
134491420,5ptp4l0-21swapper/109:00:221
134491420,5ptp4l0-21swapper/108:40:181
134491420,4ptp4l24324-21iostat10:20:191
134491420,4ptp4l20021-21apt-get12:30:130
134491420,4ptp4l17042-21df11:15:150
134491420,4ptp4l14739-21df11:10:150
134491420,4ptp4l10823-21memory11:00:201
134491420,4ptp4l0-21swapper/012:19:500
134491420,3ptp4l3176-21apt-get11:55:141
134491420,3ptp4l15530-21apt-get07:45:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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