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2026-02-17 - 21:00
[ 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 Tue Feb 17, 2026 12:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1274321200,2chrt12741-21ld08:30:580
1722321190,3chrt17226-21cpu11:55:360
3136021180,2sleep031361-21runrttasks10:39:460
2051121180,2chrt20510-21/usr/sbin/munin11:11:180
1679621170,4chrt16797-21chrt07:45:460
1238021160,3chrt12382-21irqrtprio12:36:490
609321150,3chrt6095-21chrt12:27:130
254621150,3chrt2547-21runrttasks11:33:190
2425121150,2chrt24252-21seq09:40:060
2095521150,2sleep020956-21ssh10:23:380
664121110,1sleep06642-21chrt11:39:500
2863621100,2chrt28635-21seq11:23:560
521021090,2sleep05211-21runrttasks10:48:550
2755221090,3chrt27553-21seq10:33:330
570621080,2chrt5707-21sleep09:12:080
2410521070,2sleep024107-21ntp_offset11:16:480
2960121050,3chrt29602-21runrttasks12:14:070
223321020,2chrt2234-21sh07:22:040
973521000,2sleep09736-21chrt07:35:200
233722960,1sleep023373-21runrttasks12:05:020
322852950,2sleep032286-21rm12:17:350
65252890,2sleep06526-21chrt10:01:380
70532880,2sleep07055-21grep08:21:290
249392850,2sleep024941-21sort10:30:040
243962830,1sleep024397-21chrt08:50:300
12582830,2sleep01259-21chrt10:42:240
224382820,2sleep022440-21tr08:46:260
12722820,2sleep01273-21seq09:54:160
123292820,2sleep012330-21chrt09:21:550
90502800,2sleep09051-21seq12:31:320
130422790,1sleep013043-21chrt10:11:240
94452780,1sleep09446-21runrttasks11:43:310
92002770,2sleep09202-21grep09:17:200
288972740,2sleep028898-21ntpq09:46:240
102272730,2sleep010228-21chrt11:45:070
301732720,1sleep030176-21rm11:26:040
2392527210,47sleep023932-21hddtemp_smartct07:05:290
37992700,2sleep03797-21users09:57:240
232632680,2sleep023264-21cat09:38:120
114992610,2sleep011500-21cat08:30:030
148972590,1sleep014898-21basename08:35:260
22072573,7sleep02214-21ntpq09:06:150
298392553,42sleep029848-21python308:06:280
282672553,43sleep028262-21ntpq08:56:000
178892550,2sleep017890-21seq09:30:420
139272542,7sleep013920-21ntpq11:01:220
36402530,1sleep03641-21aten2.4_rfpower07:25:260
203182533,42sleep020325-21ntpq07:51:200
179202532,42sleep017965-21aten2.4_rfpower08:40:240
46862522,43sleep04690-21chrt08:18:340
26457905019,23cyclictest0-21swapper10:53:580
26457904818,22cyclictest0-21swapper10:59:510
141992483,7sleep014202-21sleep09:25:240
26457904718,22cyclictest0-21swapper10:18:190
26457904618,19cyclictest22474-21diskstats07:55:340
26457904616,23cyclictest0-21swapper10:05:090
26457904516,21cyclictest0-21swapper12:24:430
287732441,4sleep00-21swapper07:12:590
2645790444,20cyclictest31433-21/usr/sbin/munin08:11:340
2645790444,12cyclictest17383-21ssh11:06:400
26457904316,10cyclictest25404-21aten2.4-expect08:00:250
2645790415,9cyclictest30804-21hddtemp_smartct09:00:380
2645790414,17cyclictest13574-21/usr/sbin/munin11:51:170
26457904118,15cyclictest0-21swapper12:08:310
26457904116,17cyclictest6907-21df07:30:280
26457904017,15cyclictest12809-21/usr/sbin/munin07:40:280
2645790387,11cyclictest30209-21perl07:15:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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