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2026-01-18 - 13:19
[ 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 highest latencies:
System rackfslot4s.osadl.org (updated Sun Jan 18, 2026 00:44:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3150021190,3chrt31497-21ntpq22:41:180
1029221190,2sleep010291-21seq00:38:000
2850021180,2chrt28501-21sh19:15:150
1377021150,2sleep013775-21chrt23:03:300
1020621150,3chrt10207-21chrt21:21:360
1395921130,3chrt13960-21modprobe22:15:580
1034521120,3sleep010346-21cpuspeed22:10:370
2270421110,3chrt22705-21sleep21:40:470
3123321100,2chrt31234-21seq00:17:180
1958121100,1sleep019617-21cut19:51:240
1602221080,2chrt16023-21runrttasks21:30:520
1437021080,1sleep014371-21runrttasks21:27:490
1174121080,3chrt11742-21sleep20:30:580
1768021060,2chrt17682-21tr23:57:130
2624421030,2chrt26245-21sleep20:01:540
2141821030,3chrt21419-21sh21:38:370
376621010,2chrt3767-21ssh22:48:280
176382990,2sleep017639-21chrt23:09:240
289852960,2sleep028986-21chrt21:50:190
39362950,1sleep03938-21processes21:12:270
325872930,2sleep032589-21cat23:31:440
272052920,4chrt26838-21apt-get22:35:460
89882910,2sleep08989-21chrt23:44:510
64092900,2sleep06410-21runrttasks00:29:180
36032820,2sleep03604-21basename22:00:340
213862810,2sleep021387-21chrt00:02:420
55642790,2sleep05565-21seq21:15:290
264402770,2sleep026441-21chrt20:55:200
120072770,2sleep012010-21aten2.4_rfpower19:40:250
82842740,2sleep08286-21cut20:25:440
70892740,2sleep07090-21seq22:53:280
253832730,2sleep025384-21chrt19:10:100
14502710,2sleep01451-21chrt21:57:000
136332690,2sleep013635-21uname23:51:090
31902660,1sleep03191-21seq00:24:330
182812650,2sleep018282-21rm22:22:040
72132620,1sleep07214-21chrt00:30:570
262502620,2sleep026248-21sshd21:45:580
55882610,2sleep05589-21chrt19:30:120
208962590,1sleep020897-21tune2fs22:26:240
73022570,2sleep07303-21sh22:05:560
54012560,1sleep05402-21chrt23:39:390
255742530,2sleep025575-21runrttasks00:09:450
263732490,3sleep026368-21ssh22:34:320
25039904817,23cyclictest0-21swapper23:11:250
25039904817,22cyclictest0-21swapper23:23:350
25039904717,22cyclictest0-21swapper23:19:100
2303824711,20sleep023035-21ntpq19:05:430
170602460,2sleep017064-21chrt20:40:080
2503990457,28cyclictest25950-21apt-get00:10:180
327022440,2chrt32703-21seq20:12:370
2503990446,19cyclictest16544-21ntpq19:46:530
25039904418,18cyclictest10622-21sleep22:58:580
167442440,1sleep016743-21seq20:39:400
106772440,1sleep010676-21awk23:46:380
306512430,3chrt30650-21seq23:28:410
2503990435,29cyclictest32462-21df19:21:180
2503990434,11cyclictest31255-21munin-run21:05:010
25039904312,22cyclictest2177-21irqstats20:15:460
2503990425,28cyclictest23287-21chrt20:50:110
214902420,3sleep021491-21chrt20:46:170
2503990414,9cyclictest9005-21df19:35:280
2503990414,10cyclictest22465-21ntpq19:56:020
2503990404,26cyclictest2989-21hddtemp_smartct19:25:370
2503990404,17cyclictest5618-21ntpq20:21:040
25039903816,14cyclictest0-21swapper20:05:250
25039903812,19cyclictest25681-21kworker/0:221:05:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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