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2026-01-15 - 07:44
[ 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 #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 100 highest latencies:
System rack4slot1s.osadl.org (updated Thu Jan 15, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
84321240,4sleep30-21swapper/322:35:413
84321240,4sleep30-21swapper/322:35:413
2509521020,3sleep30-21swapper/323:40:373
2509521020,3sleep30-21swapper/323:40:373
185372980,2chrt18535-21processes23:20:531
185372980,2chrt18535-21processes23:20:531
310442850,7sleep0171ktimers/023:55:460
310442850,7sleep0171ktimers/023:55:460
134942850,3sleep20-21swapper/200:35:442
134942850,3sleep20-21swapper/200:35:442
262452840,3chrt0-21swapper/320:50:363
262452840,3chrt0-21swapper/320:50:363
52062830,2sleep30-21swapper/321:20:433
52062830,2sleep30-21swapper/321:20:433
65912770,3sleep20-21swapper/222:50:432
300842770,2sleep30-21swapper/323:50:543
300842770,2sleep30-21swapper/323:50:543
300842770,2sleep30-21swapper/323:50:543
51112760,1chrt0-21swapper/022:45:470
51112760,1chrt0-21swapper/022:45:470
207292740,2sleep30-21swapper/323:25:543
207292740,2sleep30-21swapper/323:25:543
74572720,2chrt7449-21switchtime22:50:530
258182690,2chrt0-21swapper/322:15:433
258182690,2chrt0-21swapper/322:15:433
258182690,2chrt0-21swapper/322:15:433
105312670,2sleep30-21swapper/323:00:453
105312670,2sleep30-21swapper/323:00:453
312312660,2sleep00-21swapper/021:00:540
306392610,3sleep30-21swapper/319:35:393
176212600,2sleep20-21swapper/223:20:382
176212600,2sleep20-21swapper/223:20:382
303252590,3sleep20-21swapper/221:00:442
275622590,2chrt201rcuc/022:20:380
275622590,2chrt201rcuc/022:20:380
275622590,2chrt201rcuc/022:20:380
324232550,3sleep30-21swapper/319:40:333
324232550,3sleep30-21swapper/319:40:333
59972500,3chrt0-21swapper/021:20:520
59972500,3chrt0-21swapper/021:20:520
35122490,2sleep00-21swapper/021:15:460
35122490,2sleep00-21swapper/021:15:460
21436994921,11cyclictest23871-21sed22:10:400
21436994820,14cyclictest30967-21taskset22:27:520
103252480,2sleep20-21swapper/220:05:532
103252480,2sleep20-21swapper/220:05:532
21436994621,11cyclictest26199-21sed20:50:340
21436994621,11cyclictest26199-21sed20:50:340
21436994520,8cyclictest23911-21/usr/sbin/munin20:40:550
21436994520,8cyclictest23911-21/usr/sbin/munin20:40:550
21436994520,15cyclictest29128-21runrttasks22:23:110
21436994520,10cyclictest18853-21/usr/sbin/munin21:55:460
21436994520,10cyclictest18853-21/usr/sbin/munin21:55:460
21436994520,10cyclictest18853-21/usr/sbin/munin21:55:460
21436994519,12cyclictest12619-21cut23:05:440
21436994519,12cyclictest12619-21cut23:05:440
21436994519,12cyclictest12619-21cut23:05:440
182932450,4sleep30-21swapper/320:25:563
21436994421,13cyclictest749-21runrttasks19:56:340
21436994421,13cyclictest749-21runrttasks19:56:340
21436994421,13cyclictest749-21runrttasks19:56:340
21436994420,7cyclictest12764-21taskset20:11:510
21436994420,7cyclictest12764-21taskset20:11:510
21436994420,10cyclictest11173-21taskset20:10:230
21436994420,10cyclictest11173-21taskset20:10:230
21436994419,11cyclictest17941-21taskset21:53:460
21436994419,11cyclictest17941-21taskset21:53:460
21436994418,12cyclictest22782-21kworker/u9:0+rpciod00:15:350
21436994418,12cyclictest22782-21kworker/u9:0+rpciod00:15:350
89862430,3sleep20-21swapper/221:30:432
21436994321,9cyclictest749-21runrttasks23:19:440
21436994321,9cyclictest749-21runrttasks23:19:440
21436994320,9cyclictest14786-21taskset00:37:350
21436994320,9cyclictest14786-21taskset00:37:350
21436994320,14cyclictest20241-21runrttasks20:31:510
21436994320,14cyclictest20241-21runrttasks20:31:510
21436994320,10cyclictest28508-21taskset19:29:100
21436994320,10cyclictest28508-21taskset19:29:100
21436994319,8cyclictest32244-21taskset19:39:180
21436994319,8cyclictest32244-21taskset19:39:180
21436994319,11cyclictest12663-21latency_hist21:40:400
21436994319,11cyclictest12663-21latency_hist21:40:400
21436994317,11cyclictest9657-21taskset00:25:430
21436994317,11cyclictest9657-21taskset00:25:430
21436994317,11cyclictest9032-21taskset20:01:420
21436994317,11cyclictest9032-21taskset20:01:420
21436994220,9cyclictest24641-21chrt23:36:240
21436994220,9cyclictest24641-21chrt23:36:240
21436994219,10cyclictest29856-21taskset21:00:240
21436994219,10cyclictest29856-21taskset21:00:240
21436994219,10cyclictest11935-21latency_hist23:05:340
21436994219,10cyclictest11935-21latency_hist23:05:340
21436994218,16cyclictest601-21snmpd23:43:550
21436994218,16cyclictest601-21snmpd23:43:550
21436994218,10cyclictest17679-21/usr/sbin/munin23:20:580
21436994218,10cyclictest17679-21/usr/sbin/munin23:20:580
21436994217,8cyclictest26716-21chrt19:25:060
21436994217,8cyclictest26716-21chrt19:25:060
21436994217,10cyclictest2384-21runrttasks22:38:400
21436994217,10cyclictest2384-21runrttasks22:38:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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