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2026-02-26 - 10:27
[ 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 #b, slot #5

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.

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 rackbslot5s.osadl.org (updated Thu Feb 26, 2026 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1526902995341,10cyclictest231ktimers/121:55:121
1526902994733,10cyclictest231ktimers/120:10:131
1526898994734,10cyclictest121ktimers/020:15:120
1526898994734,10cyclictest121ktimers/020:15:110
1526910994634,8cyclictest1627917-21sendmail00:00:013
1526907994435,4cyclictest1593293-21idleruntime-cro22:20:002
1526902994433,8cyclictest1568902-21idleruntime-cro21:10:001
1526898994436,6cyclictest1591528-21kworker/u8:0+events_unbound22:51:580
1526898994333,5cyclictest1638516-21latency_hist00:30:010
1526898994331,8cyclictest1621060-21sendmail23:40:000
1526898994233,5cyclictest1559719-21unixbench_singl20:40:250
1526898994213,6cyclictest131rcu_preempt21:10:130
1526902994127,10cyclictest164-21systemd-journal21:36:411
1526898994129,8cyclictest1593411-21wc22:20:010
1526910994032,5cyclictest1579375-21cron21:40:003
1526907994029,6cyclictest0-21swapper/220:45:012
1526898994031,5cyclictest1613785-21unixbench_singl23:15:250
152689899401,9cyclictest11-21ksoftirqd/022:25:110
152689899401,9cyclictest11-21ksoftirqd/021:05:120
152689899401,9cyclictest11-21ksoftirqd/020:30:130
152689899401,9cyclictest11-21ksoftirqd/019:25:130
1526902993930,6cyclictest1560140-21sh20:45:011
152689899392,9cyclictest11-21ksoftirqd/020:05:120
1526898993929,5cyclictest1572333-21sendmail21:20:000
1526898993927,9cyclictest121ktimers/021:55:130
152689899391,10cyclictest11-21ksoftirqd/020:55:120
152689899381,8cyclictest11-21ksoftirqd/023:55:130
1526910993729,4cyclictest0-21swapper/323:25:173
1526910993725,8cyclictest1589848-21sh22:10:003
1526902993728,5cyclictest1593268-21munin-run22:20:001
1526898993729,4cyclictest1603756-21munin-plugin-st22:50:000
1526898993720,6cyclictest1598342-21kworker/u8:2+events_unbound22:38:510
1526910993628,5cyclictest0-21swapper/300:25:003
1526910993625,7cyclictest0-21swapper/300:35:243
1526907993630,3cyclictest0-21swapper/222:30:012
1526907993628,5cyclictest1561424-21grep20:45:262
1526910993526,5cyclictest438-21cron21:10:003
1526910993525,6cyclictest1542566-21grep19:50:243
1526910993525,6cyclictest0-21swapper/321:25:253
1526910993525,6cyclictest0-21swapper/321:25:253
1526902993526,6cyclictest1569277-21fschecks_count21:10:161
1526902993522,10cyclictest231ktimers/120:30:141
1526898993527,4cyclictest1535980-21cron19:35:000
1526898993525,6cyclictest1558443-21sendmail20:40:020
1526898993525,6cyclictest0-21swapper/020:25:000
1526898993525,6cyclictest0-21swapper/020:25:000
1526898993520,11cyclictest121ktimers/023:05:120
1526910993422,8cyclictest1543488-21fschecks_time19:55:163
1526902993426,4cyclictest0-21swapper/120:00:251
1526902993423,7cyclictest1599845-21grep22:35:251
1526898993425,5cyclictest1641775-21cron00:40:010
1526898993425,4cyclictest0-21swapper/021:40:000
1526898993425,4cyclictest0-21swapper/019:10:250
1526898993418,5cyclictest1539085-21kworker/u8:1+events_unbound19:47:310
1526910993325,4cyclictest0-21swapper/321:45:133
1526910993323,7cyclictest0-21swapper/322:20:003
1526898993328,3cyclictest0-21swapper/023:50:110
1526898993325,4cyclictest0-21swapper/019:35:250
1526898993323,5cyclictest0-21swapper/023:30:250
1526898993322,7cyclictest0-21swapper/023:10:240
1526910993225,4cyclictest0-21swapper/322:20:163
1526910993224,4cyclictest0-21swapper/320:15:253
1526910993224,4cyclictest0-21swapper/320:15:243
1526910993224,4cyclictest0-21swapper/320:10:163
1526910993222,5cyclictest0-21swapper/323:01:593
1526910993222,5cyclictest0-21swapper/323:01:593
1526907993223,5cyclictest0-21swapper/223:45:002
1526907993222,7cyclictest0-21swapper/221:30:002
1526907993222,7cyclictest0-21swapper/221:30:002
1526902993225,4cyclictest0-21swapper/100:14:591
1526898993223,5cyclictest0-21swapper/022:45:010
1526898993222,7cyclictest1554603-21grep20:25:240
1526898993222,6cyclictest0-21swapper/000:05:240
1526898993221,7cyclictest1598158-21unixbench_multi22:30:240
1526898993219,9cyclictest121ktimers/000:20:110
1526898993211,11cyclictest0-21swapper/020:11:420
1526910993123,4cyclictest0-21swapper/300:20:013
1526910993121,6cyclictest0-21swapper/320:40:023
1526907993125,3cyclictest0-21swapper/223:40:012
1526907993123,5cyclictest0-21swapper/221:00:002
1526907993123,3cyclictest0-21swapper/221:20:012
1526902993124,3cyclictest0-21swapper/123:40:001
1526902993124,3cyclictest0-21swapper/123:05:151
1526902993123,4cyclictest0-21swapper/120:06:221
1526902993121,5cyclictest0-21swapper/119:15:161
1526902993120,7cyclictest1615509-21grep23:20:241
152689899316,4cyclictest131rcu_preempt19:20:120
1526898993124,5cyclictest1571962-21kworker/u8:3+events_unbound21:34:450
1526898993124,5cyclictest1571962-21kworker/u8:3+events_unbound21:34:440
1526910993023,4cyclictest0-21swapper/321:10:263
1526910993023,3cyclictest0-21swapper/319:30:253
1526910993022,4cyclictest0-21swapper/323:50:243
1526910993022,4cyclictest0-21swapper/321:51:463
1526910993021,6cyclictest0-21swapper/321:20:013
1526910993021,5cyclictest0-21swapper/322:51:573
1526907993022,4cyclictest0-21swapper/223:00:002
1526907993021,7cyclictest1530847-21munin-plugin-st19:20:012
1526907993018,9cyclictest311ktimers/221:55:132
1526902993024,3cyclictest1627892-21cron00:00:001
1526902993023,4cyclictest1567189-21sh21:05:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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