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2026-02-18 - 05:22
[ 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 Wed Feb 18, 2026 00:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
432821450,7sleep02838099cyclictest21:45:200
134491680,3ptp4l29994-21ntp_states21:30:253
60942650,4sleep30-21swapper/319:30:203
134491640,5ptp4l0-21swapper/122:10:211
222922630,3sleep32838399cyclictest20:05:173
134491620,4ptp4l10988-21irqstats20:50:200
134491620,4ptp4l0-21swapper/023:35:150
134491610,28ptp4l41-21ksoftirqd/322:20:343
134491610,28ptp4l41-21ksoftirqd/322:20:343
134491590,4ptp4l831-21apt-get20:30:132
134491590,3ptp4l0-21swapper/222:40:252
28381995815,4cyclictest25-21ksoftirqd/121:32:581
28380995828,4cyclictest9-21ksoftirqd/022:20:170
28380995828,4cyclictest9-21ksoftirqd/022:20:170
134491580,4ptp4l0-21swapper/223:10:232
134491580,4ptp4l0-21swapper/022:07:520
28381995728,4cyclictest25-21ksoftirqd/120:25:271
134491570,3ptp4l15129-21python00:25:260
28381995613,5cyclictest25-21ksoftirqd/100:32:131
28380995624,4cyclictest9-21ksoftirqd/023:30:220
134491560,4ptp4l0-21swapper/123:21:591
134491560,4ptp4l0-21swapper/123:21:591
134491560,3ptp4l0-21swapper/321:10:253
28381995522,4cyclictest25-21ksoftirqd/100:29:521
28381995521,3cyclictest25-21ksoftirqd/122:35:011
28380995525,3cyclictest9-21ksoftirqd/022:45:150
134491550,6ptp4l0-21swapper/119:08:111
28381995415,6cyclictest25-21ksoftirqd/123:44:591
134491540,14ptp4l26920-21/usr/sbin/munin19:05:193
28381995310,8cyclictest25-21ksoftirqd/120:05:171
134491530,3ptp4l0-21swapper/020:04:220
134491530,3ptp4l0-21swapper/019:56:120
111542530,4sleep20-21swapper/219:40:212
28381995222,4cyclictest25-21ksoftirqd/121:54:451
28381995219,4cyclictest25-21ksoftirqd/120:45:001
2838099526,4cyclictest9-21ksoftirqd/019:25:010
28380995220,4cyclictest9-21ksoftirqd/020:35:120
134491520,4ptp4l0-21swapper/322:18:343
134491520,4ptp4l0-21swapper/123:31:081
134491520,4ptp4l0-21swapper/020:24:170
134491520,3ptp4l0-21swapper/121:20:171
134491520,3ptp4l0-21swapper/119:52:451
134491520,3ptp4l0-21swapper/023:56:330
134491520,3ptp4l0-21swapper/022:33:070
134491520,11ptp4l27161-21ntp_states19:05:222
28380995120,3cyclictest9-21ksoftirqd/023:00:140
28380995119,4cyclictest9-21ksoftirqd/000:20:180
28380995118,3cyclictest9-21ksoftirqd/020:45:280
134491510,4ptp4l0-21swapper/123:29:591
134491510,4ptp4l0-21swapper/122:38:481
134491510,4ptp4l0-21swapper/119:42:231
134491510,4ptp4l0-21swapper/022:16:450
134491510,4ptp4l0-21swapper/021:23:020
134491510,4ptp4l0-21swapper/021:09:580
134491510,3ptp4l0-21swapper/322:35:283
134491510,3ptp4l0-21swapper/123:59:141
134491510,3ptp4l0-21swapper/121:55:211
134491510,3ptp4l0-21swapper/120:56:501
134491510,3ptp4l0-21swapper/120:14:541
134491500,4ptp4l0-21swapper/223:56:192
134491500,4ptp4l0-21swapper/221:59:142
134491500,4ptp4l0-21swapper/123:17:501
134491500,4ptp4l0-21swapper/023:53:580
134491500,4ptp4l0-21swapper/020:25:010
134491500,3ptp4l0-21swapper/021:50:120
28380994918,3cyclictest27680-21kworker/0:221:19:160
134491490,4ptp4l2838199cyclictest22:09:151
134491490,4ptp4l0-21swapper/322:56:563
134491490,4ptp4l0-21swapper/322:53:253
134491490,4ptp4l0-21swapper/322:53:253
134491490,4ptp4l0-21swapper/322:11:433
134491490,4ptp4l0-21swapper/220:45:152
134491490,4ptp4l0-21swapper/220:10:552
134491490,4ptp4l0-21swapper/122:23:151
134491490,4ptp4l0-21swapper/122:23:151
134491490,4ptp4l0-21swapper/020:57:570
134491490,3ptp4l0-21swapper/222:49:452
2838199489,4cyclictest25-21ksoftirqd/100:00:271
28380994818,3cyclictest9-21ksoftirqd/023:20:000
28380994815,4cyclictest9-21ksoftirqd/019:50:210
134491480,5ptp4l0-21swapper/019:07:580
134491480,4ptp4l0-21swapper/123:52:381
134491480,4ptp4l0-21swapper/121:03:291
134491480,4ptp4l0-21swapper/100:13:491
134491480,4ptp4l0-21swapper/023:09:540
134491480,4ptp4l0-21swapper/021:41:060
134491480,4ptp4l0-21swapper/000:07:040
134491480,3ptp4l0-21swapper/320:42:273
134491480,3ptp4l0-21swapper/223:20:172
134491480,3ptp4l0-21swapper/223:20:172
134491480,3ptp4l0-21swapper/100:16:191
134491480,3ptp4l0-21swapper/022:03:300
2838399471,3cyclictest0-21swapper/320:53:083
134491470,4ptp4l0-21swapper/222:55:422
134491470,4ptp4l0-21swapper/022:28:330
134491470,4ptp4l0-21swapper/000:39:580
134491470,3ptp4l0-21swapper/223:51:392
134491470,3ptp4l0-21swapper/122:00:251
134491470,3ptp4l0-21swapper/100:23:341
134491470,3ptp4l0-21swapper/000:01:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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