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2026-01-20 - 08:32
[ 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 Tue Jan 20, 2026 00:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
747821200,5sleep22156399cyclictest22:05:232
747821200,5sleep22156399cyclictest22:05:232
241802650,6sleep20-21swapper/223:50:262
21562996334,7cyclictest25-21ksoftirqd/123:20:011
134491610,4ptp4l0-21swapper/221:51:242
134491610,4ptp4l0-21swapper/022:25:010
21562996029,4cyclictest25-21ksoftirqd/122:30:191
134491600,4ptp4l13161-21iostat20:00:181
21562995925,4cyclictest25-21ksoftirqd/123:35:001
134491590,9ptp4l0-21swapper/222:53:572
134491590,3ptp4l0-21swapper/120:50:161
21562995827,7cyclictest25-21ksoftirqd/120:11:111
134491580,3ptp4l0-21swapper/021:10:200
134491580,3ptp4l0-21swapper/019:25:230
134491570,4ptp4l0-21swapper/120:44:481
134491570,3ptp4l0-21swapper/120:29:281
21562995625,9cyclictest25-21ksoftirqd/122:45:261
134491560,4ptp4l0-21swapper/221:02:452
134491560,4ptp4l0-21swapper/221:02:452
21562995524,4cyclictest25-21ksoftirqd/123:38:381
21562995524,3cyclictest25-21ksoftirqd/119:58:231
134491550,4ptp4l0-21swapper/221:19:562
134491550,4ptp4l0-21swapper/200:14:442
134491550,4ptp4l0-21swapper/121:53:041
134491550,3ptp4l0-21swapper/121:10:431
21562995425,7cyclictest25-21ksoftirqd/120:30:221
21562995425,4cyclictest25-21ksoftirqd/100:24:051
21562995422,4cyclictest25-21ksoftirqd/120:37:431
21562995417,7cyclictest25-21ksoftirqd/119:50:221
134491540,4ptp4l0-21swapper/222:24:172
134491540,4ptp4l0-21swapper/220:52:282
134491540,4ptp4l0-21swapper/123:48:161
134491540,2ptp4l0-21swapper/021:54:270
134491540,14ptp4l0-21swapper/022:05:000
21562995327,7cyclictest25-21ksoftirqd/122:26:431
21562995325,3cyclictest25-21ksoftirqd/119:26:541
21562995324,3cyclictest25-21ksoftirqd/122:10:131
21562995323,3cyclictest25-21ksoftirqd/100:35:151
21562995322,4cyclictest25-21ksoftirqd/122:56:431
134491530,4ptp4l0-21swapper/222:40:372
134491530,4ptp4l0-21swapper/221:36:282
134491530,4ptp4l0-21swapper/221:22:402
134491530,3ptp4l0-21swapper/223:59:442
134491530,3ptp4l0-21swapper/121:26:371
21562995227,4cyclictest25-21ksoftirqd/122:25:001
21562995225,4cyclictest25-21ksoftirqd/121:39:221
21562995223,4cyclictest25-21ksoftirqd/120:07:511
21562995222,4cyclictest25-21ksoftirqd/122:54:351
21562995221,3cyclictest25-21ksoftirqd/119:40:221
21562995218,3cyclictest25-21ksoftirqd/121:00:381
21562995218,3cyclictest25-21ksoftirqd/121:00:381
21561995245,4cyclictest1653-21cron23:05:000
134491520,4ptp4l0-21swapper/220:47:222
134491520,4ptp4l0-21swapper/220:03:032
134491520,3ptp4l0-21swapper/221:40:442
134491520,3ptp4l0-21swapper/019:15:180
2156299519,7cyclictest25-21ksoftirqd/122:20:001
21562995127,7cyclictest25-21ksoftirqd/123:07:351
21562995127,7cyclictest25-21ksoftirqd/123:07:351
21562995123,3cyclictest25-21ksoftirqd/121:40:261
21562995119,4cyclictest25-21ksoftirqd/122:39:251
134491510,4ptp4l0-21swapper/220:24:082
134491510,3ptp4l0-21swapper/222:38:522
134491510,3ptp4l0-21swapper/123:12:281
134491510,12ptp4l0-21swapper/020:58:460
21562995031,9cyclictest25-21ksoftirqd/119:19:591
21562995025,9cyclictest25-21ksoftirqd/123:50:251
21562995025,7cyclictest25-21ksoftirqd/122:06:131
21562995025,7cyclictest25-21ksoftirqd/122:06:121
21562995025,6cyclictest25-21ksoftirqd/123:20:591
21562995020,4cyclictest25-21ksoftirqd/100:06:391
134491500,4ptp4l0-21swapper/000:25:220
134491500,3ptp4l0-21swapper/121:07:521
21562994923,6cyclictest25-21ksoftirqd/121:33:511
21562994923,6cyclictest25-21ksoftirqd/121:33:511
21562994922,7cyclictest25-21ksoftirqd/123:59:291
21562994921,3cyclictest25-21ksoftirqd/122:01:151
134491490,5ptp4l0-21swapper/319:09:093
134491490,5ptp4l0-21swapper/119:05:561
134491490,4ptp4l0-21swapper/223:01:582
134491490,4ptp4l0-21swapper/020:16:070
134491490,2ptp4l0-21swapper/021:06:440
134491480,11ptp4l0-21swapper/223:40:142
134491480,10ptp4l19589-21grep19:05:150
46198470,3rtkit-daemon212-21systemd-journal21:05:572
21563994738,4cyclictest33-21ksoftirqd/219:40:132
21562994723,6cyclictest25-21ksoftirqd/121:59:111
21562994722,6cyclictest25-21ksoftirqd/100:04:561
134691470,12getstats0-21swapper/121:21:121
134491470,5ptp4l0-21swapper/219:09:032
134491470,3ptp4l0-21swapper/219:38:352
134491470,12ptp4l0-21swapper/200:35:002
21562994624,4cyclictest25-21ksoftirqd/120:56:091
21562994620,6cyclictest25-21ksoftirqd/121:49:331
21562994618,6cyclictest25-21ksoftirqd/100:32:101
134491460,4ptp4l4035-21apt-get22:00:122
134491460,3ptp4l0-21swapper/221:13:232
134491460,11ptp4l0-21swapper/022:39:180
134491460,10ptp4l0-21swapper/019:30:410
21562994518,9cyclictest25-21ksoftirqd/119:30:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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