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2026-01-20 - 07:15
[ 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 100 highest latencies:
System rackfslot4s.osadl.org (updated Tue Jan 20, 2026 00:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3261921310,2chrt32622-21cpu22:35:350
1281521290,3chrt12817-21uniq00:31:300
3206021280,2sleep032062-21cat21:46:010
527121270,2chrt5273-21irqrtprio23:31:050
1198321260,2sleep011984-21seq22:04:390
2028421250,2chrt20277-21ntpq22:16:280
171421250,3chrt1715-21chrt21:00:410
1664721240,2sleep016648-21chrt23:48:130
1919921220,2chrt19201-21chrt23:03:400
901521160,3chrt9009-21users22:48:120
2962321160,4chrt29624-21sleep20:52:430
2139521160,2chrt21255-21apt-get21:30:190
1295921150,2chrt12960-21chrt22:54:400
2860621110,2chrt28605-21sed00:06:080
2757621110,2chrt27577-21sleep19:56:530
332521100,2chrt3326-21ssh23:28:110
2289321090,2sleep022894-21seq19:50:250
1863121080,2chrt18632-21sh19:42:520
2426221070,3chrt24263-21timerandwakeup22:22:200
1247921070,1sleep012481-21fschecks_time20:25:370
513821060,2sleep05139-21chrt19:20:550
2715921010,1sleep027162-21cat22:26:480
2879121000,2sleep028792-21chrt23:18:010
2839921000,2sleep028400-21chrt21:40:400
65592940,2sleep06556-21tune2fs21:56:310
254752940,2chrt25380-21ssh21:36:020
159762940,2sleep015977-21grep22:10:360
5522930,2sleep0553-21seq19:14:280
151382910,1sleep015139-21chrt21:20:570
102882910,1sleep010289-21chrt21:13:340
131362890,2sleep013137-21seq19:34:540
85252850,2chrt8510-21ntpq19:26:230
154362840,2sleep015437-21seq20:30:280
92062820,2sleep09207-21ld23:36:580
50852800,2sleep05088-21chrt21:05:350
225692790,1sleep022570-21ssh23:57:070
152872790,1sleep015286-21seq00:35:160
27202770,2sleep02721-21chrt20:10:200
113552760,2sleep011356-21chrt00:29:300
35722750,1sleep03573-21cpuspeed22:40:370
156032740,2sleep015604-21date22:10:060
325192700,2sleep032520-21fschecks_time20:05:370
315682690,1sleep031570-21chrt22:33:460
33532680,2sleep03354-21ld00:16:590
227252680,2sleep022726-21seq23:09:100
313282660,2sleep031329-21seq23:21:190
28922660,1sleep02893-21cat21:51:000
121542600,2sleep012153-21ntpq23:41:150
67152580,2sleep06716-21runrttasks00:21:590
313762553,7sleep031368-21diskstats00:10:500
184522550,1sleep018454-21grep21:26:000
164942553,43sleep016449-21/usr/sbin/munin23:00:040
249272502,6sleep024916-21ssh00:00:580
9702493,7sleep0973-21runrttasks19:15:190
295952495,10sleep00-21swapper19:08:410
288732490,2sleep028874-21chrt20:00:040
60822480,2sleep06095-21runrttasks20:15:280
176442473,35sleep017595-21apt-get23:50:190
194222453,33sleep019432-21ntpq20:36:100
30155904420,17cyclictest13267-21ssh21:17:430
30155904415,10cyclictest32277-21users20:56:290
3015590434,11cyclictest23724-21diskstats23:10:450
3015590414,19cyclictest25741-21ntpq20:46:180
3015590405,8cyclictest10402-21python320:21:250
30155904017,16cyclictest21330-21/usr/sbin/munin20:40:350
3015590396,12cyclictest20915-21ntpq19:46:200
30155903918,13cyclictest0-21swapper19:35:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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