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2026-02-21 - 08:57
[ 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 Sat Feb 21, 2026 00:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
179312780,4sleep10-21swapper/119:40:131
134491730,4ptp4l0-21swapper/219:40:372
134491620,17ptp4l27068-21apt-get21:10:113
134491600,3ptp4l28918-21apt-get20:05:033
134491590,5ptp4l22564-21cat22:10:010
72622580,4sleep20-21swapper/220:25:192
369999589,9cyclictest25-21ksoftirqd/119:15:001
134491580,7ptp4l9134-21df_abs21:40:143
134491580,3ptp4l0-21swapper/221:45:292
134491570,3ptp4l0-21swapper/220:40:012
298902560,3sleep10-21swapper/120:05:171
158492560,5sleep125-21ksoftirqd/121:55:131
134491560,4ptp4l11728-21iostat_ios21:45:173
134491560,3ptp4l0-21swapper/222:05:202
134491560,3ptp4l0-21swapper/023:35:020
134491560,3ptp4l0-21swapper/021:55:130
134491550,4ptp4l0-21swapper/220:35:052
134491550,4ptp4l0-21swapper/220:35:052
134491550,3ptp4l0-21swapper/322:40:123
134491540,3ptp4l6555-21/usr/sbin/munin22:45:263
134491540,3ptp4l0-21swapper/223:25:112
134491530,4ptp4l0-21swapper/300:10:023
134491530,3ptp4l0-21swapper/320:25:173
134491530,11ptp4l0-21swapper/300:25:213
134491520,11ptp4l2258-21meminfo19:05:181
134491520,11ptp4l2258-21meminfo19:05:181
134491510,4ptp4l0-21swapper/323:34:403
134491510,4ptp4l0-21swapper/321:30:573
134491510,4ptp4l0-21swapper/222:05:012
134491510,4ptp4l0-21swapper/122:27:401
134491510,3ptp4l0-21swapper/223:20:192
134491500,5ptp4l0-21swapper/021:02:170
134491500,4ptp4l0-21swapper/323:58:313
134491500,4ptp4l0-21swapper/322:53:083
134491500,4ptp4l0-21swapper/322:31:263
134491500,4ptp4l0-21swapper/321:04:403
134491500,4ptp4l0-21swapper/300:37:543
134491500,4ptp4l0-21swapper/221:13:222
134491500,4ptp4l0-21swapper/220:03:502
134491500,4ptp4l0-21swapper/200:03:252
134491500,4ptp4l0-21swapper/200:03:252
134491500,4ptp4l0-21swapper/119:39:041
134491500,4ptp4l0-21swapper/119:39:041
134491500,4ptp4l0-21swapper/023:29:590
134491500,3ptp4l0-21swapper/323:52:043
134491500,3ptp4l0-21swapper/219:59:342
134491490,9ptp4l4214-21apt-get22:40:120
134491490,9ptp4l0-21swapper/219:10:102
134491490,4ptp4l0-21swapper/323:41:463
134491490,4ptp4l0-21swapper/323:12:423
134491490,4ptp4l0-21swapper/320:18:523
134491490,3ptp4l0-21swapper/321:26:043
134491490,3ptp4l0-21swapper/320:30:123
134491490,3ptp4l0-21swapper/100:24:131
134491490,3ptp4l0-21swapper/019:15:350
134491490,10ptp4l0-21swapper/222:46:292
114982490,3sleep30-21swapper/300:05:013
114982490,3sleep30-21swapper/300:05:013
369999488,3cyclictest25-21ksoftirqd/100:14:061
134491480,9ptp4l3435-21ls19:10:010
134491480,4ptp4l0-21swapper/322:14:433
134491480,4ptp4l0-21swapper/320:01:183
134491480,4ptp4l0-21swapper/022:12:270
134491480,3ptp4l0-21swapper/221:53:012
369899475,3cyclictest121rcu_preempt21:50:000
134491470,4ptp4l0-21swapper/322:55:443
134491470,4ptp4l0-21swapper/320:14:203
134491470,4ptp4l0-21swapper/319:10:283
134491470,4ptp4l0-21swapper/222:14:572
134491470,4ptp4l0-21swapper/200:11:172
134491470,4ptp4l0-21swapper/022:30:170
134491470,4ptp4l0-21swapper/020:59:540
134491470,3ptp4l0-21swapper/222:42:012
134491470,11ptp4l0-21swapper/122:55:591
369999465,3cyclictest25-21ksoftirqd/123:12:161
369999461,9cyclictest25-21ksoftirqd/123:25:121
369899463,3cyclictest121rcu_preempt22:20:140
134491460,4ptp4l0-21swapper/219:35:342
134491460,4ptp4l0-21swapper/219:35:342
134491460,3ptp4l0-21swapper/320:57:233
134491460,3ptp4l0-21swapper/320:35:393
134491460,3ptp4l0-21swapper/320:35:393
134491460,3ptp4l0-21swapper/300:09:083
134491460,3ptp4l0-21swapper/220:51:042
134491450,7ptp4l0-21swapper/223:41:312
134491450,7ptp4l0-21swapper/000:35:210
134491450,6ptp4l6084-21apt-get19:15:132
134491450,3ptp4l0-21swapper/300:24:083
134491450,3ptp4l0-21swapper/223:10:152
134491450,3ptp4l0-21swapper/022:19:430
134491450,3ptp4l0-21swapper/020:22:360
3700994439,3cyclictest33-21ksoftirqd/223:00:002
370099440,3cyclictest121rcu_preempt22:32:382
134491440,9ptp4l0-21swapper/020:25:140
134491440,5ptp4l0-21swapper/019:08:050
134491440,5ptp4l0-21swapper/019:08:040
134491440,5ptp4l0-21swapper/000:15:190
134491440,4ptp4l23555-21apt-get00:30:130
134491440,4ptp4l1576-21apt-get20:15:100
134491440,4ptp4l0-21swapper/323:46:443
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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