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2026-02-03 - 22:46
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #2, slot #7

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click here to display the system's profile data or here to proceed to next system.
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
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack2slot7s.osadl.org (updated Tue Feb 03, 2026 07:55:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3630091997056,10cyclictest0-21swapper/005:40:090
3630093996848,17cyclictest322278-21/usr/sbin/munin06:35:012
3630093996757,6cyclictest248680-21sh06:10:172
3630093996757,6cyclictest248680-21sh06:10:172
3630092996451,9cyclictest252798-21sort06:10:301
3630092996451,9cyclictest252798-21sort06:10:301
3630091996456,5cyclictest248685-21rm06:10:170
3630091996456,5cyclictest248685-21rm06:10:170
3630092996251,8cyclictest3937458-21execl05:50:031
3630092995645,7cyclictest188355-21sh06:07:531
3630092995546,5cyclictest0-21swapper/106:25:151
3630092995545,6cyclictest0-21swapper/105:50:161
3630093995345,5cyclictest3862651-21od05:40:292
3630091995328,22cyclictest3937678-21munin-run05:50:010
3630091995238,11cyclictest3938960-21execl05:50:560
3630091995235,14cyclictest188003-21sh06:07:530
3630091994941,5cyclictest1-21systemd05:25:020
3630091994941,5cyclictest1-21systemd05:25:020
3630093994841,4cyclictest243364-21sh06:10:042
3630093994840,5cyclictest323725-21idleruntime-cro06:40:012
3630091994843,3cyclictest12450irq/32-eth006:35:120
3630092994739,5cyclictest3884950-21sh05:41:231
3630091994738,6cyclictest3940739-21Run05:59:350
3630091994737,7cyclictest3856918-21latency_hist05:40:020
363009199461,14cyclictest316912-21ntpq06:15:080
3630092994536,6cyclictest3632197-21latency_hist05:15:021
3630092994536,6cyclictest3632197-21latency_hist05:15:021
3630091994524,18cyclictest3632151-21Run05:15:010
3630091994524,18cyclictest3632151-21Run05:15:010
3630093994436,5cyclictest3635312-21systemd-run05:25:012
3630093994436,5cyclictest3635312-21systemd-run05:25:012
363009199441,13cyclictest320020-21ntpq06:25:120
3630092994335,5cyclictest319338-21cron06:25:011
3630093994234,5cyclictest320962-21latency_hist06:30:022
3630092994231,7cyclictest322208-21cron06:35:011
3630093994133,5cyclictest3630698-21munin-run05:10:012
3630093994133,4cyclictest0-21swapper/205:50:122
3630092994133,5cyclictest3633822-21df05:20:001
3630092994132,6cyclictest4048101-21spawn06:03:151
3630091994122,16cyclictest153038-21spawn06:04:270
3630092994032,4cyclictest0-21swapper/105:35:011
3630092994032,4cyclictest0-21swapper/105:35:011
3630092994031,5cyclictest3940758-21Run05:59:481
3630091994011,24cyclictest0-21swapper/005:35:020
3630091994011,24cyclictest0-21swapper/005:35:020
3630092993933,3cyclictest0-21swapper/105:40:001
363009199391,7cyclictest321539-21ntpq06:30:170
363009199391,10cyclictest318454-21ntpq06:20:100
3630093993829,6cyclictest3937306-21Run05:46:552
3630093993828,7cyclictest64919-21spawn06:04:082
363009299381,33cyclictest3634484-21execl05:20:181
363009299381,33cyclictest3634484-21execl05:20:181
3630093993714,19cyclictest564-21dbus-daemon05:10:102
3630093993714,19cyclictest564-21dbus-daemon05:10:102
3630091993727,3cyclictest3634022-21fschecks_count05:20:040
3630091993710,22cyclictest0-21swapper/005:30:020
3630093993629,3cyclictest0-21swapper/206:25:012
3630093993628,5cyclictest3939072-21fstime05:55:052
3630093993527,5cyclictest3822932-21fschecks_count05:35:042
363009199351,10cyclictest3630597-21df_inode05:09:590
3630093993427,4cyclictest3632180-21kworker/u8:5-xprtiod05:35:012
3630093993427,4cyclictest3632180-21kworker/u8:5-xprtiod05:35:012
3630093993426,5cyclictest317705-21aten_r2power_po06:20:002
3630092993325,5cyclictest323810-21aten2.4-expect06:40:021
3630092993324,6cyclictest3630763-21unin-run05:10:011
363009299331,28cyclictest3635682-21fstime05:25:101
363009199311,7cyclictest3630103-21munin-run05:05:020
3630092993024,3cyclictest3627359-21kworker/u8:14-nfsiod06:20:011
3630093992923,3cyclictest0-21swapper/205:20:012
3630093992922,3cyclictest0-21swapper/205:27:262
3630093992518,4cyclictest564-21dbus-daemon05:05:012
363009299227,3cyclictest28-21ksoftirqd/105:05:021
363009499204,5cyclictest0-21swapper/305:45:093
363009499193,7cyclictest0-21swapper/305:55:123
363009499193,10cyclictest0-21swapper/306:10:273
363009499193,10cyclictest0-21swapper/306:10:273
363009499172,8cyclictest0-21swapper/306:05:143
363009499163,8cyclictest0-21swapper/305:40:133
363009499163,6cyclictest0-21swapper/306:00:103
363009499162,8cyclictest0-21swapper/305:50:103
363009499151,6cyclictest0-21swapper/305:30:083
363009499151,6cyclictest0-21swapper/305:30:083
363009499144,6cyclictest0-21swapper/305:25:163
363009499143,6cyclictest0-21swapper/305:40:023
363009499143,4cyclictest0-21swapper/306:25:133
363009499133,4cyclictest0-21swapper/306:30:163
363009499131,6cyclictest0-21swapper/306:35:093
363009499131,6cyclictest0-21swapper/305:15:133
363009499131,5cyclictest0-21swapper/305:20:103
363009499131,5cyclictest0-21swapper/305:20:103
363009499122,4cyclictest0-21swapper/305:15:033
363009499122,4cyclictest0-21swapper/305:15:033
363009499121,6cyclictest0-21swapper/305:10:023
363009499114,5cyclictest0-21swapper/306:20:093
363009499112,5cyclictest0-21swapper/306:15:043
36300949981,4cyclictest0-21swapper/305:05:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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