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2026-02-26 - 17:45
[ 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 #f, slot #4

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
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rackfslot4s.osadl.org (updated Thu Feb 26, 2026 12:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1422821260,3chrt14231-21fschecks_time10:21:270
830021250,2chrt8305-21runrttasks11:50:010
1270721250,2chrt12704-21diskstats08:40:310
1086121230,2chrt10862-21sleep07:45:410
774921190,3sleep07747-21ls08:31:290
2920821170,2chrt29209-21sh11:31:550
3222321160,3chrt32206-21ntpq11:36:220
2398821160,3chrt23989-21sh12:12:290
1401921150,2chrt14018-21seq11:09:440
2867721140,3chrt28678-21cat09:05:400
2144421140,2chrt21443-21seq12:09:210
2146121100,3chrt21462-21sh09:43:400
1404121100,2sleep014043-21processes11:58:010
1835321090,2chrt18354-21sleep07:56:480
320421080,2sleep03205-21sed09:16:110
2961721070,3chrt29618-21sh12:21:060
2656221050,2chrt26563-21sleep11:27:540
2290021030,2chrt22901-21sleep07:12:350
183702960,2sleep018371-21seq12:04:560
175722950,2sleep017571-21seq09:37:280
92632940,2sleep09264-21chrt12:40:010
241842940,2sleep024188-21aten2.4_rfpower07:15:250
291592930,2sleep029162-21chrt08:15:240
32872910,1sleep03286-21seq10:05:290
103112900,2sleep010312-21seq09:26:450
90822880,2sleep09083-21runrttasks10:13:400
314442880,2sleep031445-21chrt07:26:100
113812880,1sleep011382-21chrt11:54:310
63092870,1sleep06310-21if_eth109:21:050
178492870,2sleep017850-21stty11:15:330
16822870,1sleep01683-21seq10:50:550
286922820,2sleep028693-21seq09:54:580
267512800,2sleep026752-21seq10:40:220
187382799,55sleep018746-21ntpq07:05:420
151972770,2sleep015199-21seq09:34:440
37222760,2sleep03724-21sed11:42:160
20724907615,52cyclictest7806-21irqrtprio07:40:430
2072490755,52cyclictest3019-21apt-get08:25:560
2072490746,59cyclictest23261-21cut09:46:080
2072490726,54cyclictest848-21apt-get07:30:170
2072490725,58cyclictest4776-21users12:32:230
2072490725,56cyclictest29825-21apt-get10:45:440
2072490717,37cyclictest26156-21ntpq09:01:030
2072490716,55cyclictest22131-21memory11:21:110
2072490715,56cyclictest7948-21ssh11:00:340
2072490715,56cyclictest20468-21runrttasks10:30:450
2072490715,55cyclictest4335-21apt-get10:55:230
2072490715,44cyclictest14911-21ntpq07:51:520
2072490714,57cyclictest7315-21runrttasks10:18:090
2072490705,56cyclictest15596-21runrttasks11:11:230
2072490705,55cyclictest989-21sleep12:26:510
2072490704,55cyclictest10819-21timerwakeupswit08:36:280
2072490704,46cyclictest24751-21ntpq10:36:400
20724907010,42cyclictest25689-21chrt08:09:530
2072490696,53cyclictest32278-21apt-get10:00:250
2072490695,54cyclictest21876-21apt-get08:55:170
2072490694,54cyclictest29060-21ssh09:55:340
2072490694,46cyclictest28551-21mailstats07:21:220
20724906916,45cyclictest507-21irqrtprio08:20:420
2072490685,54cyclictest16811-21proc_pri08:46:210
2072490685,52cyclictest19722-21apt-get08:00:180
2072490684,45cyclictest5192-21ntp_states07:36:110
2072490684,44cyclictest19639-21if_can008:51:310
2072490676,52cyclictest31229-21apt-get09:10:350
2072490674,46cyclictest26608-21ntpq12:16:360
2072490673,55cyclictest27373-21cat08:11:250
2072490664,53cyclictest16677-21ssh10:25:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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