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2026-03-02 - 05:39
[ 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 792 highest latencies:
System rack2slot7s.osadl.org (updated Sun Mar 01, 2026 19:55:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3774584996455,6cyclictest4011476-21sort17:40:340
3774586995949,6cyclictest4011641-21sh17:40:352
3774585995748,6cyclictest401678-21sh18:10:421
3774585995447,3cyclictest0-21swapper/117:40:011
3774586995345,5cyclictest304499-21od18:06:462
3774585995339,5cyclictest0-21swapper/117:40:311
3774584995345,5cyclictest399833-21rm18:10:360
3774586995243,6cyclictest400117-21rm18:10:372
3774586995041,6cyclictest4086385-21Run17:58:542
3774584995040,4cyclictest0-21swapper/017:50:290
3774584994936,11cyclictest349505-21tee18:08:320
3774585994835,10cyclictest374534-21od18:09:331
3774586994638,5cyclictest564-21dbus-daemon17:10:012
3774586994537,5cyclictest4088215-21Run18:02:342
3774586994437,4cyclictest4083405-21execl17:50:362
3774585994433,8cyclictest3968553-21spawn17:35:001
377458699422,11cyclictest171rcu_preempt18:25:262
3774584994233,6cyclictest287425-21spawn18:04:230
3774585994133,5cyclictest4084340-21execl17:51:081
3774585994132,6cyclictest3606335-21systemd-logind18:35:011
377458699402,32cyclictest3779545-21execl17:20:292
377458599401,33cyclictest3779545-21execl17:20:301
3774584994026,11cyclictest4083155-21execl17:50:020
3774586993931,5cyclictest3969445-21spawn17:35:012
3774585993931,5cyclictest463828-21sh18:30:011
3774584993931,6cyclictest3781685-21needreboot17:25:270
3774584993926,10cyclictest459834-21fschecks_count18:15:180
377458699384,6cyclictest171rcu_preempt17:45:252
3774585993832,3cyclictest0-21swapper/118:40:001
3774585993829,6cyclictest4088117-21Run18:01:311
3774586993729,5cyclictest3782447-21cron17:30:002
3774586993729,5cyclictest3777547-21cron17:15:002
3774585993728,6cyclictest460831-21munin-plugin-st18:20:011
3774585993628,5cyclictest4083156-21execl17:50:021
3774586993527,4cyclictest0-21swapper/217:40:012
377458599352,29cyclictest3781103-21fstime17:25:361
3774586993428,3cyclictest0-21swapper/217:20:012
3774586993425,5cyclictest0-21swapper/218:40:002
3774585993325,5cyclictest3774966-21aten_r2power_vo17:05:141
3774584993322,9cyclictest4086448-21pipe17:59:430
3774586993226,3cyclictest0-21swapper/218:35:002
3774586993224,5cyclictest460745-21head18:15:362
377458499327,18cyclictest763-21snmpd17:10:240
3774585993123,5cyclictest0-21swapper/117:58:251
377458499317,20cyclictest763-21snmpd17:30:280
3774584993125,4cyclictest0-21swapper/017:20:010
3774586993023,4cyclictest462331-21cron18:25:012
3774586993022,5cyclictest3774605-21latency_hist17:05:022
3774585993023,4cyclictest3779292-21sh17:20:001
3774585993022,5cyclictest461207-21aten_r2power_po18:20:161
3774585992923,3cyclictest0-21swapper/117:15:001
3774584992920,7cyclictest3981086-21sh17:38:030
3774584992822,4cyclictest3781036-21latency_hist17:25:020
3774584992819,7cyclictest3606321-21systemd-journal18:35:000
3774584992621,2cyclictest0-21swapper/017:05:010
3774584992620,3cyclictest0-21swapper/018:35:240
3774584992619,4cyclictest463092-21missed_timers18:25:210
3774584992616,8cyclictest462355-21systemd-run18:25:010
3774584992415,7cyclictest3776086-21munin-run17:10:010
3774585992217,3cyclictest0-21swapper/117:05:011
377458799192,10cyclictest0-21swapper/318:10:323
377458799171,9cyclictest0-21swapper/317:50:273
377458799166,8cyclictest0-21swapper/317:40:303
377458799161,7cyclictest0-21swapper/317:55:263
377458799152,5cyclictest0-21swapper/317:05:213
377458799145,6cyclictest0-21swapper/317:45:323
377458799141,6cyclictest0-21swapper/318:25:243
377458799141,6cyclictest0-21swapper/317:35:273
377458799132,7cyclictest0-21swapper/318:09:173
377458799132,7cyclictest0-21swapper/317:30:283
377458799132,6cyclictest0-21swapper/317:20:003
377458799132,4cyclictest0-21swapper/318:00:223
377458799131,3cyclictest0-21swapper/317:25:363
377458799122,6cyclictest0-21swapper/317:20:263
377458799111,5cyclictest0-21swapper/318:15:263
377458799102,4cyclictest0-21swapper/317:10:173
377458799101,5cyclictest0-21swapper/318:20:243
37745879992,5cyclictest0-21swapper/318:30:173
37745879991,5cyclictest0-21swapper/318:35:183
37745879982,5cyclictest0-21swapper/317:05:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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