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2026-02-12 - 06:23
[ 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 Thu Feb 12, 2026 00:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2399421280,3chrt23995-21sh22:38:350
704921260,3chrt7039-21df23:50:380
3026321240,3chrt30267-21runrttasks00:25:310
2118021200,2chrt21179-21/usr/sbin/munin21:46:050
2854421190,4chrt28545-21sleep22:45:340
1791721180,2sleep017960-21sed20:50:500
749821170,2chrt7497-21ssh22:14:120
3069021160,2sleep030692-21aten2.4-expect22:00:350
2765121160,2sleep027734-21cut20:15:420
2535521160,3chrt25356-21sleep21:52:010
2387721160,2chrt23879-21tr21:00:450
3018521130,2chrt30186-21sleep23:36:100
2245621120,3chrt22457-21sh00:13:140
1175621120,3chrt11757-21grep22:20:360
786921110,2chrt7870-21sleep19:44:490
1725921110,2sleep017261-21awk23:16:410
1521621110,3chrt15215-21seq19:55:460
2072521100,2chrt20726-21modprobe20:05:030
1791421090,2chrt17915-21runrttasks20:00:510
1388521080,2chrt13886-21sh00:00:390
91121070,1sleep0912-21/usr/sbin/munin22:52:110
1569921070,2chrt15702-21irqrtprio22:26:080
670621060,1sleep06707-21chrt00:38:190
1704521060,2sleep017042-21aten2.4-expect00:05:330
671421050,3chrt6715-21sh20:34:150
388021020,2chrt3881-21sleep20:30:000
2626921020,2chrt26270-21sh20:13:330
1884821020,2chrt18849-21if_can022:31:030
276102940,2sleep027611-21ld21:06:210
151042940,2sleep015105-21chrt23:13:450
108132940,1sleep010814-21sh22:19:070
261912870,2sleep026192-21chrt22:41:340
138882870,2sleep013889-21chrt20:45:180
162212840,2sleep016222-21chrt21:38:330
84182810,1sleep08419-21rm21:26:400
135002810,2sleep013501-21runrttasks21:34:590
287102790,1sleep028711-21runrttasks00:22:200
30612780,3chrt3043-21ntpq19:36:020
292272780,2sleep029228-21ntpq19:25:540
91352770,1sleep09136-21runrttasks23:05:040
279562750,2sleep027957-21seq19:24:570
57412740,2sleep05743-21latency_hist23:00:050
26702730,2sleep02671-21seq21:18:120
198902700,2sleep019891-21chrt19:10:530
326202690,1sleep032618-21open_inodes19:31:210
294612660,2sleep029457-21sshd21:10:220
41172640,1sleep04120-21grep00:35:000
251292636,8sleep025164-21ps00:17:140
65032603,8sleep07315-21runrttasks23:00:560
263382604,45sleep026391-21ssh23:30:530
102912594,46sleep010296-21cron20:40:000
187702564,7sleep018778-21ssh21:42:140
325152552,8sleep0439-21sh23:40:190
300312500,1sleep030036-21sh21:59:320
306082490,2sleep030609-21seq20:20:570
239412484,36sleep023934-21ntpq23:26:450
1591624811,23sleep015994-21df19:05:220
108432484,36sleep09785-21apt-get23:56:210
31962470,2chrt3193-21/usr/sbin/munin22:07:230
192822472,8sleep019277-21ssh23:20:290
47202460,3chrt4688-21ssh23:46:370
18699904613,14cyclictest0-21swapper19:45:100
129792430,3sleep012980-21sleep20:43:450
18699904110,26cyclictest21266-21ntpq20:56:090
1869990404,10cyclictest11587-21df_inode19:50:300
18699904015,19cyclictest4897-21ntpq21:21:220
18699903710,11cyclictest22054-21/usr/sbin/munin19:15:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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