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2026-03-01 - 18:35
[ 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 Sun Mar 01, 2026 12:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2692621220,3chrt26927-21ls09:40:050
697821200,2sleep07015-21/usr/sbin/munin07:25:480
2586621200,2sleep025867-21seq07:05:160
900021190,2sleep09001-21runrttasks11:39:130
2931921180,3chrt29318-21/usr/sbin/munin07:10:290
2654221180,2sleep026543-21timerwakeupswit07:56:280
1622821150,2sleep016229-21chrt12:38:010
1462721150,3chrt14620-21ntpq11:47:110
1439421150,2chrt14389-21aten2.4-expect08:30:230
1250821150,2chrt12509-21chrt07:35:130
1829521140,2sleep018296-21chrt11:04:230
439821110,2chrt4397-21cut12:20:500
3239521110,2chrt32396-21runrttasks08:58:370
1256921110,2sleep012570-21runrttasks09:18:080
3276621100,2chrt32767-21chrt09:48:180
1679021100,2sleep016788-21df_inode11:50:430
848821080,4chrt8490-21grep10:00:530
2375521080,2chrt23756-21seq10:23:440
221221080,4chrt2211-21apt-config10:40:200
1639021080,1sleep016387-21switchtime10:12:190
1901621070,2chrt19017-21sleep08:36:340
605621060,3chrt6057-21sleep09:56:480
599521060,2chrt5997-21runrttasks08:15:580
1362021060,2sleep013623-21apt-key09:20:100
1342021060,3chrt13421-21sh10:07:530
2342621050,3chrt23427-21sleep09:34:520
130421050,2chrt1305-21sleep07:16:330
542621040,1sleep05427-21chrt11:33:330
293221030,2chrt2933-21chrt12:18:220
294321010,2sleep02944-21chrt08:11:020
85892980,2sleep08591-21seq12:26:500
311612970,2sleep031162-21runrttasks11:23:210
283012940,1sleep028302-21awk08:51:290
105732930,2sleep010576-21cut07:31:350
326892910,1sleep032690-21chrt12:14:520
278442890,2sleep027846-21sh11:18:250
86572860,2sleep08658-21cat08:20:420
219592860,2sleep021961-21wc11:10:040
263692850,2sleep026370-21sh12:05:210
121412840,2sleep012142-21chrt10:55:170
107832820,2sleep010787-21timerwakeupswit10:52:220
165992810,2sleep016600-21seq07:40:480
248342780,2sleep024837-21mailstats12:02:160
80272760,2sleep08029-21latency09:11:160
15922710,2sleep01593-21chrt10:39:330
184072690,1sleep018408-21seq09:26:310
127152640,1sleep012718-21sort08:26:290
27172624,47sleep02713-21ntpq09:51:490
234542613,9sleep023447-21ntpq11:11:360
73512603,10sleep07356-21seq10:47:200
111912574,9sleep011197-21ntpq11:42:050
244652553,8sleep024520-21memory08:45:480
5352530,2sleep0539-21sed11:26:050
196112523,41sleep019598-21ssh10:17:140
293912513,39sleep0412-21snmpd10:31:580
212682512,42sleep021263-21ssh11:57:010
295772500,2sleep029578-21rm09:43:360
28843905020,22cyclictest0-21swapper10:27:510
286422502,6sleep028688-21sleep08:00:410
28843904818,23cyclictest0-21swapper12:33:270
28843904516,10cyclictest653-21/usr/sbin/munin09:00:110
28843904420,16cyclictest0-21swapper08:05:310
2884390434,11cyclictest6688-21munin-run09:10:010
2884390415,27cyclictest2932-21apt-get07:20:340
2884390394,9cyclictest22851-21ntpq07:50:510
2884390394,16cyclictest21474-21/usr/sbin/munin08:40:490
2884390384,26cyclictest19692-21memory07:45:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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