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2026-02-26 - 18:44
[ 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 20 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
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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