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2026-03-03 - 10:06
[ 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 all highest latencies:
System rackfslot4s.osadl.org (updated Tue Mar 03, 2026 00:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
960021310,2chrt9481-21apt-get22:40:300
44321200,2chrt445-21chrt00:03:300
1572921160,2chrt15731-21cut20:20:430
1361121160,4chrt13610-21/usr/sbin/munin19:25:440
2192521140,3chrt21927-21runrttasks22:10:090
2034221130,3chrt20340-21ld22:07:240
2241021120,2chrt22411-21runrttasks22:59:180
2046621120,2chrt20465-21seq00:33:100
897921110,2sleep08981-21irqrtprio00:16:040
3163821110,2chrt31640-21seq19:55:030
2725021100,2sleep027253-21aten2.4_rfpower23:55:310
2633121100,3chrt26332-21sh23:05:240
1944721090,2sleep019448-21latency_hist22:55:040
166521090,2chrt1666-21chrt22:27:470
1526721050,3chrt15266-21/usr/sbin/munin00:25:490
3268421030,2chrt32685-21sleep23:15:000
3224521030,2sleep032246-21chrt21:36:270
2867221030,3chrt28670-21/usr/sbin/munin20:41:220
2680021030,3chrt26801-21ntpq22:16:530
2716121020,3chrt27162-21sh19:46:580
2475921020,2chrt24760-21sh19:43:550
452621010,3chrt4527-21runrttasks20:55:120
3122421010,3chrt31226-21irqrtprio20:45:460
49392990,2sleep04940-21runrttasks00:10:290
269932950,2sleep026994-21latency_hist23:55:060
220822890,2sleep022085-21cut21:21:490
109472870,2sleep010945-21aten2.4_rfpower21:05:240
228662860,2sleep022867-21gcc00:36:400
147222840,1sleep014723-21chrt20:20:020
77732830,2sleep07774-21chrt21:00:220
126462790,3sleep012644-21ntpq00:21:160
91382770,2sleep09139-21seq23:27:230
37482740,2sleep03751-21threads21:42:200
78682730,2sleep07869-21seq21:49:010
68052730,2sleep06807-21tail19:15:240
199442730,2sleep019945-21chrt21:18:500
97512700,2sleep09749-21ntp_kernel_pll_21:51:230
57452690,2sleep05747-21awk20:05:250
30662660,2sleep03069-21awk00:07:140
251852630,1sleep025186-21chrt20:35:500
171032630,2sleep017106-21grep21:15:000
33682620,2sleep03370-21fschecks_time22:30:500
8242610,2sleep0827-21sed19:56:260
184512600,2sleep018452-21rm23:41:320
137912570,2sleep013792-21chrt21:57:200
178212560,3sleep017820-21seq22:03:570
42522552,43sleep04255-21diskstats23:20:450
34712520,1sleep03472-21seq20:53:030
232202502,6sleep023214-21ssh23:49:150
162842500,1sleep016283-21seq23:38:340
159712500,1sleep015972-21chrt22:50:050
155725010,23sleep01559-21ntpq19:05:530
86142492,6sleep08618-21sleep22:38:310
253662493,6sleep025276-21ssh21:26:440
298502482,5sleep029840-21ntpq22:21:200
21232482,6sleep02038-21ntp_states23:17:100
26832473,35sleep02748-21df20:00:260
3440904620,20cyclictest0-21swapper23:32:290
214322443,34sleep021436-21diskstats20:30:330
3440904214,14cyclictest0-21swapper23:04:440
344090414,18cyclictest17316-21ntp_states19:31:230
3440904011,22cyclictest0-21swapper21:32:400
344090394,17cyclictest8633-21apt-get20:10:120
3440903918,14cyclictest0-21swapper20:25:250
3440903914,20cyclictest4716-21ntpq19:11:010
3440903913,19cyclictest11109-21ntp_states19:21:160
3440903814,18cyclictest20768-21seq19:36:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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