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2026-03-05 - 00:10
[ 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 #4, slot #1

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 50 highest latencies:
System rack4slot1s.osadl.org (updated Wed Mar 04, 2026 12:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
357721150,3sleep30-21swapper/310:06:393
2420421130,2sleep20-21swapper/212:31:182
2420421130,2sleep20-21swapper/212:31:182
1919521090,3sleep20-21swapper/212:16:312
1919521090,3sleep20-21swapper/212:16:312
150722970,3sleep30-21swapper/309:11:353
150722970,3sleep30-21swapper/309:11:353
134352920,1sleep113438-21mailstats09:06:391
134352920,1sleep113438-21mailstats09:06:391
217962900,2sleep10-21swapper/112:21:401
217962900,2sleep10-21swapper/112:21:401
291022820,2chrt29103-21gltestperf11:16:321
291022820,2chrt29103-21gltestperf11:16:321
291022820,2chrt29103-21gltestperf11:16:321
233182800,2chrt23316-21ntpq12:26:380
233182800,2chrt23316-21ntpq12:26:380
176402780,3sleep20-21swapper/207:51:392
176402780,3sleep20-21swapper/207:51:392
74712750,3sleep20-21swapper/207:26:262
296972740,3chrt29694-21cron08:26:180
220742740,4chrt0-21swapper/309:31:293
236152710,2sleep30-21swapper/308:06:393
134222680,4sleep113424-21grep07:41:331
253782630,4chrt0-21swapper/212:31:382
253782630,4chrt0-21swapper/212:31:382
204522630,2sleep10-21swapper/110:51:401
204522630,2sleep10-21swapper/110:51:401
87682610,6sleep18771-21acpi08:56:301
87682610,6sleep18771-21acpi08:56:301
169422590,3chrt0-21swapper/112:11:271
1984995122,7cyclictest22372-21kernelversion09:31:320
9922500,3sleep20-21swapper/211:26:382
9922500,3sleep20-21swapper/211:26:382
170662450,3sleep30-21swapper/309:16:383
170662450,3sleep30-21swapper/309:16:383
170662450,3sleep30-21swapper/309:16:383
30322440,2sleep03104-21kernelversion10:06:330
51982380,2sleep10-21swapper/108:46:301
51982380,2sleep10-21swapper/108:46:301
242252380,3sleep20-21swapper/208:11:242
125342380,2sleep112533-21memory10:31:331
125342380,2sleep112533-21memory10:31:331
135782370,3sleep20-21swapper/207:41:342
79002360,1sleep08061-21/usr/sbin/munin11:46:310
79002360,1sleep08061-21/usr/sbin/munin11:46:310
1984993629,5cyclictest3650-21latency_hist11:36:190
1984993629,5cyclictest3650-21latency_hist11:36:190
119242360,3sleep30-21swapper/310:31:273
119242360,3sleep30-21swapper/310:31:273
66382350,2sleep16641-21sed07:21:391
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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