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2026-02-27 - 23:02
[ 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 Fri Feb 27, 2026 12:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2121721320,3chrt21218-21sleep10:41:180
2845521260,4chrt28447-21hddtemp_smartct11:40:550
1957421220,2chrt18987-21/usr/sbin/munin09:50:540
1731621220,3chrt17317-21sh09:47:070
1232921210,3chrt12330-21chrt08:50:270
2973021200,3chrt29729-21ssh09:17:120
781621190,2sleep07817-21runrttasks11:58:320
2678021190,3chrt26762-21ntpq08:21:030
1596421190,3chrt15328-21/usr/sbin/munin08:55:430
1397221190,2sleep013971-21/usr/sbin/munin12:07:160
1276821190,2chrt12759-21df_inode09:40:430
3019121180,2chrt30177-21ntpq12:31:430
364321170,2chrt3640-21ntpq09:26:330
1018721170,3chrt10181-21ntpq09:36:190
2607921150,3chrt26058-21ntpq11:36:590
438521140,3chrt4373-21apt-get11:05:120
352921140,2sleep03530-21basename08:36:300
318121120,2sleep03182-21cut10:15:060
2554921110,2chrt25550-21sleep07:27:090
2532521110,1sleep025327-21fschecks_time09:10:590
2089821110,2chrt20899-21sleep07:20:270
354021090,1sleep03541-21runrttasks11:03:270
2244721060,4chrt22448-21sh09:55:280
2300221030,2chrt23000-21smart_sda11:32:150
2312821010,2sleep023129-21sh12:21:060
57621000,2sleep0577-21seq10:59:220
202582920,2sleep020259-21chrt11:28:200
212562910,1sleep021255-21seq12:18:310
119212900,2sleep011924-21switchtime10:27:270
176822890,1sleep017683-21runrttasks11:25:030
38372850,1sleep03838-21apt-key07:45:110
107652850,1sleep010767-21runrttasks12:02:510
151942830,2sleep015195-21chrt07:10:420
100732830,2sleep010074-21chrt08:46:030
24542810,2sleep02455-21sleep11:50:460
180422800,3chrt18018-21ntpq10:36:360
152212800,2sleep015222-21chrt10:32:220
126802800,2chrt12669-21memory11:17:050
260692780,2sleep026070-21ssh10:48:580
216952740,2sleep021696-21basename09:05:220
27772720,2sleep02778-21chrt12:40:030
276962710,2sleep027697-21cat07:30:460
167322700,2sleep016736-21fschecks_time08:05:350
68722690,2sleep06873-21collect208:40:530
69752594,6sleep06944-21apt-get07:50:170
268882593,9sleep026895-21apt-config10:50:170
156372590,1sleep015638-21aten2.4_rfpower12:10:330
70852584,7sleep07086-21ssh09:31:460
147002560,2sleep014702-21switchtime08:01:260
290982553,43sleep029144-21fschecks_count08:25:350
234992550,1sleep023500-21chrt08:15:500
112022550,1sleep011205-21seq07:05:150
73712542,6sleep07333-21ssh10:21:020
266792542,6sleep026677-21ssh12:26:230
177612543,8sleep017766-21df_inode07:15:290
93042520,2sleep09303-21seq11:11:590
290762500,2sleep029077-21seq10:05:160
34902480,2sleep03491-21chrt07:45:040
14193904819,20cyclictest0-21swapper10:19:520
314972473,34sleep031400-21apt-get09:20:280
260232450,1sleep026022-21cut10:00:370
194162453,33sleep019386-21apt-get08:10:180
100722440,3chrt10073-21runrttasks07:55:150
302882430,3chrt30286-21cut07:35:340
1419390404,9cyclictest32507-21ntpq11:46:360
1419390393,11cyclictest32186-21diskstats08:30:320
14193903814,17cyclictest19022-21if_can009:00:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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