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2026-02-15 - 00:05
[ 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 792 highest latencies:
System rack2slot7s.osadl.org (updated Sat Feb 14, 2026 07:55:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
422517997562,8cyclictest1244560-21sh06:10:222
422515995739,13cyclictest738693-21Run05:52:090
422517995646,5cyclictest0-21swapper/205:40:212
422516995545,7cyclictest1-21systemd06:20:021
422515995441,9cyclictest737150-21execl05:50:010
422516995343,7cyclictest1246767-21sh06:10:291
422515995338,12cyclictest1249072-21sh06:10:360
422517995241,7cyclictest425493-21Run05:55:162
422517995142,5cyclictest655393-21sh05:40:002
422516994940,6cyclictest680180-21sh05:41:141
422516994939,7cyclictest1165-21mta-sts-daemon06:05:231
422517994840,5cyclictest1186119-21sh06:08:032
422516994840,4cyclictest0-21swapper/105:20:161
422516994837,7cyclictest737677-21execl05:50:091
422516994638,5cyclictest737166-21munin-run05:50:011
422517994540,3cyclictest737678-21execl05:50:232
422515994438,3cyclictest1234572-21sh06:09:570
422517994338,3cyclictest0-21swapper/206:40:022
422517994338,3cyclictest0-21swapper/206:40:022
422515994331,10cyclictest665195-21sh05:40:370
422517994230,8cyclictest814434-21spawn06:03:082
422516994234,5cyclictest655679-21latency_hist05:40:021
422516994233,6cyclictest564-21dbus-daemon06:20:201
422517994133,5cyclictest427219-21cron05:20:002
422517994029,7cyclictest425496-21/usr/sbin/munin05:15:012
422515994034,4cyclictest1317737-21systemd-run06:40:020
422515994034,4cyclictest1317737-21systemd-run06:40:020
422517993930,5cyclictest737147-21execl05:50:032
422516993930,6cyclictest1019581-21spawn06:03:591
422516993928,5cyclictest0-21swapper/106:25:181
422515993930,6cyclictest655938-21grep05:40:020
422515993832,4cyclictest427215-21whetstone-doubl05:20:000
422516993726,8cyclictest558886-21spawn05:34:371
422516993726,8cyclictest558886-21spawn05:34:371
422516993625,8cyclictest739676-21sh05:55:161
422515993628,6cyclictest992471-21spawn06:03:500
422517993527,5cyclictest1313196-21cron06:25:012
42251799342,29cyclictest428086-21execl05:20:142
422516993421,10cyclictest1317701-21/usr/sbin/munin06:40:031
422516993421,10cyclictest1317701-21/usr/sbin/munin06:40:031
422515993425,7cyclictest617266-21sh05:35:000
422515993425,7cyclictest617266-21sh05:35:000
42251799336,20cyclictest585-21thd05:05:142
422517993324,6cyclictest507847-21spawn05:34:062
422517993324,6cyclictest507847-21spawn05:34:062
422516993324,5cyclictest425495-21idleruntime-cro05:15:001
422515993327,4cyclictest424069-21latency_hist05:10:020
422515993327,3cyclictest1310710-21fschecks_count06:15:090
422515993325,6cyclictest1165-21mta-sts-daemon05:28:000
422517993218,8cyclictest429689-21ntpq05:25:142
422517993217,12cyclictest1311033-21ntpq06:15:142
422516993224,5cyclictest422527-21systemd-run05:05:011
422515993225,4cyclictest0-21swapper/005:58:170
422517993118,9cyclictest1315345-21/usr/sbin/munin06:30:102
422515993123,6cyclictest1313211-21munin-run06:25:010
422517993021,6cyclictest1314189-21ntpq06:25:232
422515993026,2cyclictest0-21swapper/005:25:010
422516992923,3cyclictest0-21swapper/105:20:011
422516992819,6cyclictest1-21systemd06:35:021
422515992814,4cyclictest12450irq/32-eth006:30:150
422516992721,2cyclictest0-21swapper/105:27:411
42251799269,9cyclictest419838-21kworker/u8:0+xprtiod05:05:022
422516992620,3cyclictest0-21swapper/105:05:101
422515992418,3cyclictest0-21swapper/005:15:000
42251599224,11cyclictest1165-21mta-sts-daemon06:25:240
42251899183,9cyclictest0-21swapper/306:10:243
42251899183,6cyclictest0-21swapper/306:05:163
42251899182,8cyclictest0-21swapper/306:00:223
42251899182,7cyclictest0-21swapper/305:25:193
42251899182,11cyclictest0-21swapper/305:50:193
422515991814,2cyclictest0-21swapper/005:05:020
42251899173,7cyclictest0-21swapper/305:40:143
42251899171,7cyclictest0-21swapper/305:55:153
42251899152,7cyclictest0-21swapper/305:15:273
42251899141,7cyclictest0-21swapper/305:38:393
42251899141,6cyclictest0-21swapper/305:10:213
42251899141,3cyclictest0-21swapper/305:05:143
42251899131,6cyclictest0-21swapper/306:20:153
42251899131,6cyclictest0-21swapper/306:15:183
42251899131,4cyclictest0-21swapper/305:35:033
42251899131,4cyclictest0-21swapper/305:35:033
42251899122,6cyclictest0-21swapper/305:45:053
42251899121,6cyclictest0-21swapper/306:35:143
42251899121,6cyclictest0-21swapper/306:35:143
42251899121,6cyclictest0-21swapper/305:20:153
42251899101,5cyclictest0-21swapper/306:30:083
4225189992,4cyclictest0-21swapper/306:25:143
4225189992,4cyclictest0-21swapper/305:05:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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