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2026-02-22 - 11:12
[ 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 highest latencies:
System rack2slot7s.osadl.org (updated Sat Feb 21, 2026 19:55:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1535199996148,10cyclictest2351004-21sort18:10:310
1535199995649,4cyclictest1771575-21od17:40:330
1535201995445,5cyclictest2265274-21sh18:07:032
1535199995346,4cyclictest2339522-21sort18:10:020
1535199995145,3cyclictest0-21swapper/017:50:210
1535201995040,6cyclictest2357108-21sh18:10:472
1535200995041,6cyclictest2351835-21rm18:10:331
1535201994841,4cyclictest1834028-21sh17:43:152
1535200994838,6cyclictest1773802-21multi.sh17:40:411
1535201994537,5cyclictest2414671-21systemd-run18:25:012
1535200994434,7cyclictest2276142-21sh18:07:291
1535199994428,13cyclictest1842151-21execl17:49:510
1535200994334,6cyclictest1842400-21execl17:50:121
1535199994336,4cyclictest1765834-21munin-plugin-st17:40:010
1535199994216,22cyclictest1540390-21execl17:20:290
1535200994032,5cyclictest1841588-21sh17:45:311
1535200994032,5cyclictest1765852-21wc17:40:011
1535201993933,3cyclictest1526892-21kworker/u8:10-xprtiod17:50:312
1535200993932,4cyclictest1538174-21grep17:15:011
1535200993932,4cyclictest1538174-21grep17:15:011
1535199993928,7cyclictest0-21swapper/017:59:570
1535201993827,8cyclictest1842147-21execl17:50:032
1535201993825,9cyclictest1543469-21head17:30:092
1535200993830,5cyclictest1535204-21systemd-run17:05:011
1535200993829,6cyclictest1931485-21spawn18:03:091
1535200993829,6cyclictest1931485-21spawn18:03:091
1535200993829,6cyclictest1536700-21systemd-run17:10:011
1535199993829,6cyclictest219280-21cups-browsed18:03:140
1535199993829,6cyclictest219280-21cups-browsed18:03:140
153520199373,29cyclictest1846012-21pipe18:00:202
153520199373,29cyclictest1846012-21pipe18:00:202
1535200993729,5cyclictest1539913-21munin-run17:20:001
1535200993729,5cyclictest1166-21mta-sts-daemon18:35:181
1535199993730,5cyclictest0-21swapper/018:35:010
1535201993527,5cyclictest1845455-21Run17:59:472
1535200993525,7cyclictest1845323-21fstime17:57:511
1535199993528,4cyclictest1537198-21fschecks_time17:10:120
1535199993528,4cyclictest1537198-21fschecks_time17:10:120
1535200993428,3cyclictest0-21swapper/117:20:221
1535200993425,6cyclictest1544432-21unixbench-2d17:30:291
153519999343,24cyclictest12450irq/32-eth018:35:210
1535199993427,4cyclictest2414597-21sed18:20:300
1535201993326,4cyclictest1165-21mta-sts-daemon18:18:282
153519999337,18cyclictest327950-21munin-node17:05:210
1535201993225,4cyclictest1168-21mta-sts-daemon18:30:252
1535201993224,5cyclictest563-21avahi-daemon18:35:272
153520099322,22cyclictest1541716-21fstime17:25:211
1535199993223,6cyclictest1535210-21systemd-run17:05:010
1535199993220,5cyclictest1669514-21spawn17:35:010
1535201993124,4cyclictest1167-21mta-sts-daemon17:22:552
1535200993123,5cyclictest2416044-21unixbench_multi18:25:311
153519999315,18cyclictest1166-21mta-sts-daemon18:15:190
1535201993022,5cyclictest1537200-21fschecks_time17:10:122
1535201993022,5cyclictest1537200-21fschecks_time17:10:122
1535201992919,8cyclictest1737240-21sh17:37:352
1535200992912,4cyclictest171rcu_preempt18:20:241
153519999293,7cyclictest171rcu_preempt18:25:240
1535201992821,3cyclictest0-21swapper/217:25:332
1535200992823,2cyclictest0-21swapper/118:20:011
1535199992718,4cyclictest1542093-21if_wlan017:25:140
1535201992618,5cyclictest2416141-21idleruntime-cro18:30:012
1535199992620,4cyclictest1539910-21sh17:20:000
1535201992519,3cyclictest0-21swapper/217:05:102
1535200992412,8cyclictest2417339-21/usr/sbin/munin18:30:321
1535201992317,3cyclictest0-21swapper/217:15:132
1535201992015,2cyclictest0-21swapper/217:05:022
153520299181,8cyclictest0-21swapper/317:45:213
153520299172,9cyclictest0-21swapper/317:40:293
153520299161,7cyclictest0-21swapper/317:55:203
153520299161,6cyclictest0-21swapper/317:15:223
153520299161,10cyclictest0-21swapper/318:10:273
153520299161,10cyclictest0-21swapper/317:50:293
153520299153,6cyclictest0-21swapper/318:00:273
153520299153,6cyclictest0-21swapper/318:00:273
153520299151,6cyclictest0-21swapper/318:15:213
153520299151,6cyclictest0-21swapper/317:30:213
153520299142,7cyclictest0-21swapper/318:05:193
153520299141,8cyclictest0-21swapper/317:20:203
153520299141,6cyclictest0-21swapper/317:10:183
153520299141,6cyclictest0-21swapper/317:10:183
153520299141,6cyclictest0-21swapper/317:05:213
153520299131,7cyclictest0-21swapper/318:25:193
153520299131,5cyclictest0-21swapper/318:30:203
153520299121,6cyclictest0-21swapper/318:20:173
153520299121,6cyclictest0-21swapper/317:25:203
153520299111,7cyclictest0-21swapper/318:35:033
153520299111,6cyclictest0-21swapper/317:38:023
15352029982,4cyclictest0-21swapper/317:05:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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