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2026-01-18 - 01:51
[ 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 17, 2026 12:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1677561995420,4cyclictest1732860-21unixbench_singl09:45:280
1677575994923,21cyclictest1732858-21grep09:45:293
1677561994919,7cyclictest1717254-21grep09:00:270
1677575994823,21cyclictest0-21swapper/307:10:163
1677568994838,6cyclictest1-21systemd08:25:202
1677568994733,10cyclictest311ktimers/209:20:142
1677563994741,4cyclictest1724348-21kworker/u8:0+events_unbound09:40:431
1677563994737,7cyclictest1681055-21grep07:15:261
1677575994615,4cyclictest1736689-21munin-plugin-st10:00:003
1677568994538,4cyclictest1768300-21fschecks_count11:30:172
1677568994536,5cyclictest1734988-21idleruntime-cro09:55:012
1677575994316,7cyclictest1711173-21diskstats08:45:153
1677575994316,7cyclictest1711173-21diskstats08:45:143
1677563994334,6cyclictest1778174-21sendmail12:00:001
1677568994230,9cyclictest311ktimers/211:00:132
1677563994229,10cyclictest231ktimers/108:15:141
1677575994131,6cyclictest0-21swapper/311:20:003
1677561994133,4cyclictest1785010-21munin-plugin-st12:20:000
1677561994133,3cyclictest0-21swapper/007:15:000
1677568994030,7cyclictest1740115-21apt-get10:10:002
1677568994030,7cyclictest1740115-21apt-get10:10:002
1677561994028,7cyclictest0-21swapper/008:15:280
1677568993928,5cyclictest0-21swapper/208:10:262
1677568993927,9cyclictest311ktimers/212:10:132
1677561993929,6cyclictest1752103-21grep10:40:250
1677561993929,6cyclictest1752103-21grep10:40:250
1677568993830,4cyclictest0-21swapper/211:45:162
1677568993828,7cyclictest1750574-21cron10:40:002
1677563993831,5cyclictest1720182-21kworker/u8:3+events_unbound09:32:421
1677563993826,9cyclictest231ktimers/111:05:111
1677563993826,9cyclictest231ktimers/110:20:121
1677563993825,4cyclictest131rcu_preempt11:52:551
1677575993728,6cyclictest1715957-21idleruntime-cro09:00:003
1677568993725,9cyclictest1708628-21grep08:35:292
1677563993731,4cyclictest1764292-21kworker/u8:1+events_unbound11:26:041
1677563993731,4cyclictest1684636-21kworker/u8:0+events_unbound07:35:041
1677563993726,7cyclictest1750131-21grep10:35:251
1677563993725,9cyclictest231ktimers/110:50:131
1677563993717,5cyclictest131rcu_preempt10:40:211
1677563993717,5cyclictest131rcu_preempt10:40:211
1677575993626,7cyclictest1779430-21grep12:00:243
1677575993617,4cyclictest0-21swapper/309:25:263
1677568993628,4cyclictest0-21swapper/209:55:272
1677568993625,7cyclictest1693705-21debian-sa107:55:012
1677575993524,7cyclictest1766971-21grep11:25:213
1677575993523,7cyclictest0-21swapper/312:25:253
1677575993523,7cyclictest0-21swapper/312:25:253
1677575993521,11cyclictest391ktimers/311:55:133
1677563993525,6cyclictest0-21swapper/108:30:251
1677563993524,5cyclictest131rcu_preempt12:20:011
1677563993520,9cyclictest131rcu_preempt09:10:231
1677563993520,4cyclictest131rcu_preempt08:37:431
1677563993516,11cyclictest131rcu_preempt07:55:141
1677561993527,4cyclictest0-21swapper/007:15:160
1677575993426,4cyclictest0-21swapper/307:20:153
1677575993425,5cyclictest0-21swapper/311:40:153
1677568993427,3cyclictest0-21swapper/208:40:172
1677568993426,4cyclictest0-21swapper/209:30:182
1677568993425,6cyclictest1698774-21kworker/u8:2+events_unbound08:20:202
1677568993423,7cyclictest0-21swapper/211:15:002
1677563993426,4cyclictest0-21swapper/110:10:161
1677563993424,7cyclictest231ktimers/109:55:131
1677563993422,8cyclictest1740110-21sh10:10:001
1677563993422,8cyclictest1740110-21sh10:10:001
1677563993422,5cyclictest131rcu_preempt07:28:431
1677563993419,6cyclictest131rcu_preempt11:15:291
1677563993418,5cyclictest131rcu_preempt08:15:021
1677563993417,9cyclictest131rcu_preempt09:35:171
1677563993416,11cyclictest131rcu_preempt11:00:581
1677561993424,6cyclictest1750110-21grep10:35:260
1677575993327,3cyclictest1722793-21kthreadd09:20:013
1677575993325,5cyclictest208-21systemd-logind10:25:483
1677575993323,6cyclictest0-21swapper/308:40:263
1677575993320,9cyclictest391ktimers/309:30:143
1677568993326,5cyclictest1774607-21kworker/u8:0+events_unbound11:51:062
1677568993326,4cyclictest1706134-21fschecks_time08:30:172
1677568993323,6cyclictest0-21swapper/212:25:012
1677568993322,7cyclictest0-21swapper/212:15:252
1677563993317,9cyclictest131rcu_preempt12:04:071
1677563993315,4cyclictest131rcu_preempt08:52:531
1677563993315,10cyclictest131rcu_preempt09:20:201
1677563993313,10cyclictest131rcu_preempt11:41:381
1677563993312,5cyclictest131rcu_preempt10:55:241
1677575993224,4cyclictest0-21swapper/311:00:243
1677575993224,4cyclictest0-21swapper/308:00:023
1677568993225,4cyclictest0-21swapper/211:55:172
1677568993221,8cyclictest1695430-21sendmail08:00:002
167756399327,9cyclictest24-21ksoftirqd/109:00:001
1677563993226,3cyclictest1765764-21unixbench_singl11:20:241
1677563993224,4cyclictest0-21swapper/109:15:171
1677563993221,4cyclictest131rcu_preempt11:12:411
1677563993218,8cyclictest131rcu_preempt10:46:131
1677563993218,8cyclictest131rcu_preempt10:46:121
1677563993218,8cyclictest131rcu_preempt10:16:111
1677563993215,5cyclictest131rcu_preempt08:00:231
1677563993214,4cyclictest131rcu_preempt07:10:441
1677563993213,5cyclictest131rcu_preempt07:30:161
1677563993211,9cyclictest131rcu_preempt08:25:241
1677563993211,5cyclictest131rcu_preempt08:45:161
1677563993211,5cyclictest131rcu_preempt08:45:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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