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2026-02-05 - 04:31
[ 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 100 highest latencies:
System rack2slot7s.osadl.org (updated Wed Feb 04, 2026 19:55:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3005703997844,23cyclictest3823700-21sh18:10:322
3005700997260,9cyclictest3823556-21sh18:10:320
3005703996632,22cyclictest3013831-21grep17:30:022
3005703996632,22cyclictest3013831-21grep17:30:022
3005700996651,12cyclictest3238109-21rm17:40:110
3005703996325,23cyclictest3811286-21multi.sh18:09:582
3005703996325,23cyclictest3811286-21multi.sh18:09:582
3005702996254,5cyclictest3820519-21multi.sh18:10:221
3005700996230,30cyclictest3733988-21sh18:06:550
3005700996230,30cyclictest3733988-21sh18:06:550
3005703995852,3cyclictest0-21swapper/217:40:112
3005702995849,6cyclictest3317098-21execl17:50:161
3005702995849,6cyclictest3237509-21sh17:40:071
3005703995638,15cyclictest3317098-21execl17:50:242
3005702995246,3cyclictest3008867-21kworker/u8:2-rpciod17:23:231
3005700995225,24cyclictest0-21swapper/017:50:150
3005702995043,4cyclictest3812713-21sh18:10:021
3005702995043,4cyclictest3812713-21sh18:10:021
3005700995030,17cyclictest0-21swapper/018:03:180
3005700995030,17cyclictest0-21swapper/018:03:180
3005700994826,19cyclictest3316440-21sh17:47:410
3005703994740,4cyclictest3316784-21aten2.4-expect17:50:032
3005703994728,16cyclictest3454755-21spawn18:03:342
3005703994728,16cyclictest3454755-21spawn18:03:342
3005702994739,5cyclictest1167-21mta-sts-daemon17:05:091
3005703994638,5cyclictest3236008-21idleruntime17:40:022
3005703994537,5cyclictest3887818-21awk18:20:012
3005702994537,5cyclictest3316544-21execl17:50:021
3005702994537,5cyclictest3236136-21sh17:40:021
3005702994535,7cyclictest3008849-21cpu17:15:011
300570099451,19cyclictest3235921-21multi.sh17:40:010
3005703994420,21cyclictest0-21swapper/217:35:022
300570399441,20cyclictest3891712-21ps18:30:172
3005700994436,4cyclictest0-21swapper/018:15:110
3005703994324,15cyclictest3005615-21cron17:05:022
3005702994334,5cyclictest3889401-21systemd-run18:25:011
3005702994334,5cyclictest3889401-21systemd-run18:25:011
300570399429,29cyclictest3010771-21sed17:20:032
3005703994233,5cyclictest3893835-21grep18:40:012
300570399422,26cyclictest3888557-21sshd18:20:092
300570399422,26cyclictest3888557-21sshd18:20:092
3005703994216,21cyclictest3009035-21latency_hist17:15:022
3005700994217,6cyclictest3012633-21missed_timers17:25:110
3005700994217,6cyclictest3012633-21missed_timers17:25:110
3005700994134,5cyclictest3200838-21spawn17:35:020
300570399408,27cyclictest3011233-21execl17:20:152
3005702994034,3cyclictest0-21swapper/117:05:011
3005700994033,5cyclictest564-21dbus-daemon17:20:020
3005700994019,18cyclictest3010174-21kworker/u8:6-xprtiod17:20:180
3005702993930,6cyclictest3199543-21spawn17:35:011
300570299391,31cyclictest3012289-21fstime17:25:151
300570299391,31cyclictest3012289-21fstime17:25:151
3005700993932,4cyclictest3319901-21pipe18:00:020
300570399388,26cyclictest3890266-21/usr/sbin/munin18:25:172
3005702993828,6cyclictest3009147-21fschecks_time17:15:041
3005700993831,3cyclictest0-21swapper/018:35:130
3005703993725,6cyclictest3319775-21Run17:58:552
3005702993728,6cyclictest3319712-21Run17:57:401
3005702993728,5cyclictest636-21in:imuxsock18:40:011
3005702993628,5cyclictest3892350-21idleruntime-cro18:35:011
3005702993626,7cyclictest3602681-21spawn18:04:001
3005702993626,7cyclictest3602681-21spawn18:04:001
3005700993427,5cyclictest3892388-21true18:35:010
3005702993226,3cyclictest0-21swapper/118:15:171
3005702993121,7cyclictest3890745-21cut18:30:011
3005700992922,4cyclictest3890589-21unixbench_multi18:25:220
300570799282,3cyclictest0-21swapper/317:30:113
300570399281,7cyclictest3005730-21aten2.4-expect17:05:012
300570799271,3cyclictest0-21swapper/317:55:153
3005700992722,2cyclictest0-21swapper/017:15:010
300570099272,20cyclictest1693738-21cups-browsed18:20:110
300570099272,20cyclictest1693738-21cups-browsed18:20:110
3005700992620,3cyclictest0-21swapper/017:05:010
300570099260,17cyclictest151ktimers/017:05:120
300570799241,3cyclictest0-21swapper/318:20:133
300570799241,3cyclictest0-21swapper/318:20:133
300570799241,3cyclictest0-21swapper/317:20:113
300570799241,3cyclictest0-21swapper/317:05:143
300570799232,4cyclictest0-21swapper/317:45:133
300570799232,3cyclictest0-21swapper/317:50:143
300570799232,16cyclictest0-21swapper/318:00:193
300570799232,16cyclictest0-21swapper/318:00:193
300570799231,4cyclictest0-21swapper/317:10:083
300570799231,3cyclictest0-21swapper/318:35:093
300570799231,3cyclictest0-21swapper/318:30:103
300570799231,3cyclictest0-21swapper/318:25:113
300570799231,3cyclictest0-21swapper/318:05:183
300570799231,3cyclictest0-21swapper/318:05:183
300570799221,3cyclictest0-21swapper/318:15:173
300570799221,3cyclictest0-21swapper/317:40:123
300570799221,3cyclictest0-21swapper/317:25:143
300570799221,3cyclictest0-21swapper/317:25:143
300570799220,3cyclictest0-21swapper/317:35:163
300570799211,3cyclictest0-21swapper/318:10:373
300570799211,3cyclictest0-21swapper/317:15:143
300570799191,3cyclictest0-21swapper/317:05:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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