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2026-02-22 - 00:10
[ 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 21, 2026 07:55:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
338152997057,7cyclictest1166805-21multi.sh06:10:392
33815299681,26cyclictest343117-21execl05:20:272
338150996659,4cyclictest1163530-21sh06:10:280
338151996150,6cyclictest1166594-21multi.sh06:10:371
338152996033,24cyclictest644294-21sh05:43:202
338150996050,7cyclictest650911-21execl05:50:330
338152995733,21cyclictest1077470-21sh06:07:022
338151995345,5cyclictest592003-21multi.sh05:41:061
338151995244,4cyclictest0-21swapper/105:50:231
338152995125,23cyclictest565605-21sh05:39:352
338150995141,7cyclictest652778-21fstime05:55:580
338150995137,11cyclictest573249-21tee05:40:100
338152994936,8cyclictest219280-21cups-browsed06:16:412
338151994941,5cyclictest1148867-21sh06:09:531
338150994832,4cyclictest338171-21latency_hist05:05:020
338152994728,15cyclictest650909-21execl05:50:322
338152994724,20cyclictest1003686-21spawn06:04:112
338152994724,20cyclictest1003686-21spawn06:04:112
338150994739,5cyclictest1132115-21sh06:09:120
338150994640,3cyclictest570779-21expr05:40:000
338151994537,5cyclictest344468-21systemd-run05:25:011
338150994539,4cyclictest341123-21munin-run05:15:000
338150994539,4cyclictest341123-21munin-run05:15:000
338152994425,16cyclictest0-21swapper/205:49:452
338152994422,19cyclictest653989-21pipe06:00:012
338151994436,5cyclictest650654-21execl05:50:021
338150994437,4cyclictest650586-21Run05:48:250
33815299421,15cyclictest339103-21sshd05:05:282
33815299421,15cyclictest339103-21sshd05:05:282
338152994130,7cyclictest1232553-21systemd-run06:40:012
338152994118,5cyclictest1229133-21wc06:25:292
338151994032,5cyclictest347090-21wc05:30:271
338151994032,5cyclictest347090-21wc05:30:271
33815299392,13cyclictest346864-21sleep05:30:202
33815299392,13cyclictest346864-21sleep05:30:202
338151993931,5cyclictest1230993-21systemd-run06:35:011
338150993925,11cyclictest12450irq/32-eth005:20:300
338151993829,6cyclictest564-21dbus-daemon06:37:281
338151993827,7cyclictest1226508-21latency_hist06:20:021
33815199381,32cyclictest537501-21syscall05:35:261
338151993728,6cyclictest929138-21Run06:03:551
338151993728,6cyclictest929138-21Run06:03:551
338152993629,4cyclictest0-21swapper/206:25:002
338150993630,3cyclictest342830-21kworker/u8:14-rpciod05:20:000
338150993626,7cyclictest564-21dbus-daemon06:30:010
338151993527,5cyclictest339651-21systemd-run05:10:011
338151993527,5cyclictest339651-21systemd-run05:10:011
338152993417,3cyclictest0-21swapper/205:25:132
33815099341,30cyclictest344630-21fstime05:25:220
33815099341,26cyclictest655602-21Run06:01:270
33815099341,26cyclictest655602-21Run06:01:270
33815199332,23cyclictest653942-21Run05:59:421
338152993222,7cyclictest338154-21sh05:05:012
33815099321,28cyclictest346933-21pipe05:30:260
33815099321,28cyclictest346933-21pipe05:30:260
33815199314,18cyclictest577-21mta-sts-daemon05:15:201
338151993123,5cyclictest341115-21cron05:15:001
338151993123,5cyclictest341115-21cron05:15:001
338151993122,6cyclictest3606335-21systemd-logind05:05:011
338150993023,5cyclictest564-21dbus-daemon06:40:010
338152992923,3cyclictest331477-21kworker/u8:0-rpciod05:15:022
338152992923,3cyclictest331477-21kworker/u8:0-rpciod05:15:022
338150992923,4cyclictest339700-21latency_hist05:10:010
338150992923,4cyclictest339700-21latency_hist05:10:010
338151992821,4cyclictest1227960-21cron06:25:001
338152992716,6cyclictest1168-21mta-sts-daemon06:30:192
338152992620,3cyclictest0-21swapper/205:20:002
338150992620,4cyclictest1227961-21cron06:25:000
338151992516,6cyclictest1228249-21aten_r2power_cu06:25:091
338151992316,3cyclictest0-21swapper/105:26:501
338150992315,5cyclictest219280-21cups-browsed06:30:040
338150992011,6cyclictest1225174-21/usr/sbin/munin06:15:140
33815399193,10cyclictest0-21swapper/305:56:123
33815399182,9cyclictest0-21swapper/305:50:203
33815399182,9cyclictest0-21swapper/305:30:263
33815399182,9cyclictest0-21swapper/305:30:263
33815399175,7cyclictest0-21swapper/305:40:263
33815399173,8cyclictest0-21swapper/306:01:273
33815399173,8cyclictest0-21swapper/306:01:273
33815399163,9cyclictest0-21swapper/306:10:343
33815399162,9cyclictest0-21swapper/305:20:283
33815399162,6cyclictest0-21swapper/305:35:193
33815399161,7cyclictest0-21swapper/306:15:203
33815399153,7cyclictest0-21swapper/306:05:223
33815399152,7cyclictest0-21swapper/305:45:193
33815399143,6cyclictest0-21swapper/305:05:283
33815399143,6cyclictest0-21swapper/305:05:283
33815399143,4cyclictest0-21swapper/306:35:193
33815399142,7cyclictest0-21swapper/305:10:283
33815399142,7cyclictest0-21swapper/305:10:283
33815399142,5cyclictest0-21swapper/306:20:203
33815399133,6cyclictest0-21swapper/305:25:193
33815399133,5cyclictest0-21swapper/305:15:203
33815399121,7cyclictest0-21swapper/306:25:193
33815399112,6cyclictest0-21swapper/306:30:253
3381539993,4cyclictest0-21swapper/305:05:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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