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2026-01-14 - 06:49
[ 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 Jan 14, 2026 00:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
967221580,6sleep32787599cyclictest19:39:593
2586521360,6sleep12787399cyclictest20:15:001
134491660,4ptp4l9328-21taskset20:45:260
27875996533,3cyclictest41-21ksoftirqd/322:40:173
2787499652,61cyclictest0-21swapper/221:00:282
2787499635,16cyclictest7017-21cat20:40:302
2787499634,10cyclictest212-21systemd-journal22:35:012
2787499626,17cyclictest3250-21grep21:45:142
2787499626,10cyclictest8575-21cut21:55:192
2787499608,11cyclictest12633-21grep20:55:122
134491600,5ptp4l0-21swapper/022:40:180
2787499598,10cyclictest19805-21latency_hist23:30:002
2787499594,11cyclictest441-21in:imuxsock19:24:182
2787499593,11cyclictest23114-21sed22:25:272
134491590,4ptp4l0-21swapper/120:50:261
134491580,5ptp4l0-21swapper/022:50:290
134491580,4ptp4l0-21swapper/200:05:002
134491580,3ptp4l0-21swapper/019:35:290
2787499576,11cyclictest11596-21expr20:50:262
2787499574,9cyclictest23006-21cut23:35:182
2787499574,9cyclictest13024-21if_enp4s022:05:182
2787499574,9cyclictest13024-21if_enp4s022:05:182
2787499572,12cyclictest7557-21cat00:10:252
134491570,4ptp4l0-21swapper/021:27:480
134491570,3ptp4l0-21swapper/321:10:193
134491570,3ptp4l0-21swapper/020:05:180
134491560,4ptp4l0-21swapper/321:02:383
134491560,4ptp4l0-21swapper/122:40:211
134491560,4ptp4l0-21swapper/020:40:250
134491560,3ptp4l0-21swapper/319:34:553
134491560,3ptp4l0-21swapper/120:35:201
134491560,3ptp4l0-21swapper/022:15:270
2787499554,10cyclictest27764-21cat21:25:262
2787499552,12cyclictest16266-21cat22:10:262
2787499552,10cyclictest0-21swapper/222:50:202
134491550,4ptp4l0-21swapper/120:56:071
134491550,4ptp4l0-21swapper/022:20:260
2787499545,16cyclictest14792-21df_abs19:50:152
134491540,4ptp4l0-21swapper/121:00:211
2787499532,17cyclictest31155-21latency_hist23:55:002
2787499532,17cyclictest13524-21/usr/sbin/munin23:15:182
2787499532,13cyclictest3878-21hddtemp_smartct22:55:182
2787499532,13cyclictest3878-21hddtemp_smartct22:55:172
2787499531,11cyclictest978-21latency_hist22:50:002
134491530,4ptp4l0-21swapper/321:59:523
134491530,4ptp4l0-21swapper/119:13:551
134491530,3ptp4l0-21swapper/122:02:341
2787499527,5cyclictest0-21swapper/221:30:172
2787499526,19cyclictest6333-21mailstats19:30:242
2787499525,8cyclictest9176-21ntp_offset23:05:222
2787499524,16cyclictest3414-21irqrtprio19:25:192
2787499524,11cyclictest0-21swapper/219:15:002
134491520,4ptp4l0-21swapper/100:20:231
134491520,3ptp4l0-21swapper/322:37:343
134491520,3ptp4l0-21swapper/121:41:381
134491520,12ptp4l0-21swapper/119:17:551
134491510,4ptp4l0-21swapper/123:54:231
134491510,4ptp4l0-21swapper/123:47:301
134491510,4ptp4l0-21swapper/122:19:231
134491510,4ptp4l0-21swapper/019:24:420
134491510,3ptp4l0-21swapper/123:18:271
134491510,3ptp4l0-21swapper/121:48:441
134491510,3ptp4l0-21swapper/120:30:331
2787499502,9cyclictest0-21swapper/222:40:212
134491500,5ptp4l0-21swapper/323:03:153
134491500,4ptp4l0-21swapper/123:39:001
134491500,4ptp4l0-21swapper/022:45:230
134491500,3ptp4l0-21swapper/121:34:451
2787499494,7cyclictest26024-21apt-get20:15:152
2787499494,6cyclictest134491ptp4l00:30:142
134491490,5ptp4l0-21swapper/300:29:233
134491490,4ptp4l0-21swapper/123:28:431
134491490,4ptp4l0-21swapper/122:09:311
134491490,4ptp4l0-21swapper/122:09:311
134491490,4ptp4l0-21swapper/023:36:330
134491490,4ptp4l0-21swapper/020:25:050
134491490,12ptp4l0-21swapper/323:46:333
2787499487,9cyclictest8832-21run-parts19:35:242
134491480,7ptp4l0-21swapper/323:56:593
134491480,6ptp4l9048-21iostat00:15:171
134491480,5ptp4l0-21swapper/219:07:202
134491480,4ptp4l0-21swapper/300:33:393
134491480,4ptp4l0-21swapper/123:05:471
134491480,4ptp4l0-21swapper/023:20:590
134491480,4ptp4l0-21swapper/023:10:510
134491480,4ptp4l0-21swapper/023:08:530
134491480,3ptp4l0-21swapper/123:58:131
134491480,3ptp4l0-21swapper/123:43:281
134491480,3ptp4l0-21swapper/021:58:270
134491480,3ptp4l0-21swapper/020:03:230
2787499475,7cyclictest19115-21apt-get20:00:112
2787499473,9cyclictest25120-21ntp_states21:20:242
134491470,9ptp4l0-21swapper/019:05:090
134491470,4ptp4l0-21swapper/123:33:531
134491470,3ptp4l0-21swapper/122:51:151
134491470,3ptp4l0-21swapper/119:49:361
2787499469,6cyclictest21987-21iostat20:05:182
2787499465,5cyclictest0-21swapper/223:10:242
2787499465,10cyclictest24843-21ntp_states20:10:252
134491460,4ptp4l0-21swapper/319:23:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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