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2026-01-24 - 21:19
[ 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 Sat Jan 24, 2026 12:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3400054995243,6cyclictest3428368-21cron08:30:011
3400063994920,25cyclictest0-21swapper/310:00:003
3400063994821,22cyclictest0-21swapper/309:30:253
3400063994820,25cyclictest0-21swapper/309:00:003
3400054994833,11cyclictest231ktimers/111:30:121
3400063994739,5cyclictest3414472-21apt-key07:50:013
3400063994724,19cyclictest208-21systemd-logind09:00:313
3400063994717,26cyclictest0-21swapper/309:05:173
3400054994739,5cyclictest3401699-21munin-plugin-st07:15:011
3400063994615,4cyclictest0-21swapper/307:50:263
3400063994517,4cyclictest0-21swapper/310:15:143
3400063994514,5cyclictest0-21swapper/308:25:013
3400050994534,7cyclictest3480504-21chrt10:55:250
3400054994431,9cyclictest231ktimers/107:20:121
3400063994334,6cyclictest3429623-21unixbench_multi08:30:243
3400063994332,7cyclictest3489283-21unixbench_multi11:20:243
3400063994316,3cyclictest0-21swapper/308:25:253
3400063994315,6cyclictest0-21swapper/312:00:003
3400063994233,6cyclictest164-21systemd-journal08:15:183
3400063994212,9cyclictest204-21dbus-daemon10:45:583
3400054994230,8cyclictest231ktimers/108:00:121
3400050994227,9cyclictest3444240-21sshd09:10:340
3400063994115,3cyclictest0-21swapper/312:00:233
3400063994114,5cyclictest0-21swapper/308:45:143
3400063994031,5cyclictest3468788-21auditctl10:25:003
3400063994030,6cyclictest3410365-21unixbench_multi07:35:263
3400063993931,4cyclictest0-21swapper/311:45:003
3400063993930,6cyclictest1-21systemd07:19:533
3400054993932,5cyclictest3459969-21kworker/u8:0+events_unbound10:10:521
3400054993930,6cyclictest3460631-21fschecks_count10:00:151
3400063993825,8cyclictest0-21swapper/312:10:253
3400059993829,6cyclictest0-21swapper/211:40:002
3400054993828,6cyclictest3417901-21sendmail08:00:011
3400050993832,3cyclictest0-21swapper/011:40:000
3400050993830,5cyclictest3405570-21kworker/u8:2+events_unbound07:44:570
3400063993729,5cyclictest3456810-21idleruntime-cro09:50:013
3400063993729,5cyclictest3401680-21cron07:15:013
3400063993729,4cyclictest0-21swapper/311:00:003
3400063993712,3cyclictest0-21swapper/307:55:143
3400054993729,4cyclictest0-21swapper/107:50:011
3400054993726,8cyclictest3515114-21grep12:35:241
3400050993727,6cyclictest3423022-21apt08:15:010
3400063993629,4cyclictest3421807-21idleruntime08:10:183
3400063993629,4cyclictest3409131-21cron07:35:003
3400063993627,6cyclictest0-21swapper/311:50:153
3400063993625,6cyclictest0-21swapper/308:05:013
3400059993630,3cyclictest3508564-21sendmail12:20:002
3400059993627,5cyclictest0-21swapper/210:55:162
340005499365,7cyclictest131rcu_preempt10:15:111
3400054993626,6cyclictest0-21swapper/109:20:001
3400054993625,7cyclictest0-21swapper/110:05:241
3400054993621,9cyclictest231ktimers/110:50:121
3400059993528,3cyclictest0-21swapper/208:40:152
3400059993527,3cyclictest0-21swapper/208:50:162
3400059993527,3cyclictest0-21swapper/208:50:162
3400054993524,7cyclictest0-21swapper/112:00:241
3400054993524,7cyclictest0-21swapper/110:45:251
3400054993523,8cyclictest3506242-21grep12:10:241
340005499351,4cyclictest131rcu_preempt09:55:121
3400050993527,5cyclictest3492993-21kworker/u8:1+events_unbound11:41:120
3400050993527,3cyclictest0-21swapper/009:00:000
3400050993523,8cyclictest3413838-21grep07:45:260
3400063993425,6cyclictest0-21swapper/309:20:003
3400059993426,5cyclictest0-21swapper/212:25:002
3400059993424,8cyclictest3446324-21apt-get09:20:002
3400059993424,6cyclictest0-21swapper/211:05:252
3400059993423,8cyclictest3417899-21munin-run08:00:012
3400054993425,4cyclictest0-21swapper/107:20:011
3400054993423,7cyclictest3420864-21grep08:05:261
340005099348,4cyclictest131rcu_preempt10:00:120
3400063993322,6cyclictest0-21swapper/311:15:003
3400059993325,4cyclictest0-21swapper/211:10:252
3400059993324,4cyclictest0-21swapper/212:05:252
3400059993323,6cyclictest0-21swapper/208:20:252
3400054993326,4cyclictest0-21swapper/108:30:251
3400054993324,5cyclictest0-21swapper/110:40:011
3400054993323,5cyclictest0-21swapper/111:10:001
3400054993322,6cyclictest0-21swapper/107:40:001
3400063993222,6cyclictest0-21swapper/311:40:003
3400063993220,7cyclictest0-21swapper/308:05:263
3400059993225,4cyclictest3401265-21unixbench_singl07:10:262
3400059993224,4cyclictest0-21swapper/211:05:002
3400059993223,6cyclictest3446925-21fschecks_count09:20:182
3400059993222,6cyclictest3491033-21grep11:25:252
3400059993222,6cyclictest0-21swapper/210:50:252
3400054993226,4cyclictest3478972-21kworker/u8:1+events_unbound10:56:011
3400054993225,4cyclictest0-21swapper/111:45:241
3400054993223,5cyclictest3475357-21unixbench_multi10:40:231
3400054993222,6cyclictest0-21swapper/108:15:251
3400054993220,8cyclictest3438613-21grep08:55:261
3400050993224,4cyclictest3506412-21grep12:10:250
3400063993123,4cyclictest0-21swapper/311:25:163
3400063993121,6cyclictest0-21swapper/308:35:173
3400059993124,3cyclictest0-21swapper/209:40:422
3400059993123,4cyclictest0-21swapper/211:55:252
3400059993121,7cyclictest311ktimers/210:10:112
3400054993123,5cyclictest3451382-21kworker/u8:0+events_unbound09:36:431
3400054993122,5cyclictest3489315-21unixbench_singl11:20:241
3400054993122,5cyclictest0-21swapper/109:40:241
3400054993120,7cyclictest0-21swapper/111:35:251
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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