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2026-02-01 - 09:37
[ 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 Sun Feb 01, 2026 00:44:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
704021260,3chrt7033-21diskstats22:35:480
942321240,3chrt9416-21diskstats21:50:490
558621230,3chrt5587-21chrt21:45:110
502521220,3chrt5023-21ssh00:11:120
1560521210,4chrt15604-21ld00:26:580
572321200,4chrt5720-21ntpq19:11:130
3133721190,3chrt31338-21runrttasks21:35:120
2018121160,2chrt20182-21chrt00:34:190
571121150,2sleep05710-21seq22:33:250
1578121140,2sleep015782-21runrttasks22:48:400
2934721110,2chrt29346-21cut22:20:340
2142321100,2chrt21422-21sshd22:08:070
2054721100,2chrt20548-21chrt23:44:490
551121090,2chrt5513-21latency_hist21:45:040
1078221080,2chrt10784-21wc23:30:050
2328721070,2sleep023288-21seq23:48:260
1214521070,2sleep012146-21mailstats19:21:240
2154321050,2sleep021544-21ntpq22:57:120
51121030,1sleep0512-21grep23:15:000
2444921030,1sleep024451-21awk23:50:340
805021020,3chrt8051-21sh20:07:060
278382990,1sleep027839-21ld23:06:310
297642970,2sleep029765-21chrt23:58:060
223932950,1sleep022395-21cut21:21:120
164632940,2sleep016466-21awk21:12:280
136952930,2sleep013698-21irqrtprio21:56:500
286222880,2sleep028623-21hostname20:40:480
31222790,2sleep03123-21chrt00:08:440
240052790,2sleep024006-21if_eth223:01:030
289142770,1sleep028917-21grep22:20:010
163562750,1sleep016357-21fschecks_time22:00:510
139582750,2sleep013959-21awk20:16:230
264372740,1sleep026439-21grep21:27:210
226312730,2sleep022633-21chrt20:30:440
182182730,1sleep018219-21chrt19:31:210
30872680,1sleep03088-21chrt22:30:010
138182680,2sleep013819-21seq19:25:160
70162660,1sleep07017-21seq23:24:390
37572660,2sleep03758-21chrt20:00:420
317142650,2sleep031716-21irqrtprio00:01:050
200692650,2sleep020070-21hostname19:35:240
172732640,2sleep017279-21rm23:40:000
133232640,1sleep013324-21chrt23:33:280
199592620,2sleep019957-21awk20:26:000
211602584,7sleep021219-21ls21:20:040
6742573,43sleep0681-21apt23:15:100
242722563,8sleep024276-21python322:12:170
221272560,2sleep022128-21runrttasks00:36:460
31592550,2sleep03158-21ld20:50:520
86072540,2sleep08608-21irqrtprio00:16:500
3012543,7sleep0308-21ntp_states20:46:160
116132543,43sleep011625-21open_files22:42:140
323962535,40sleep032401-21apt-get19:55:120
260602530,2sleep026062-21grep19:45:020
4316905220,15cyclictest0-21swapper21:34:550
186112523,41sleep018616-21runrttasks22:52:310
423525010,25sleep04272-21munin-run19:10:010
55972464,34sleep05611-21awk20:55:340
4316904313,12cyclictest0-21swapper20:22:350
4316904312,15cyclictest0-21swapper00:23:120
431690424,18cyclictest11447-21/usr/sbin/munin21:05:310
4316904220,14cyclictest0-21swapper21:00:110
4316904215,18cyclictest9109-21apt-get20:10:130
4316904215,10cyclictest29467-21aten2.4_rfpower19:50:250
431690395,9cyclictest26325-21sshd20:36:150
4316903915,9cyclictest412-21snmpd19:17:350
431690374,14cyclictest26206-21apt-get19:45:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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