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2026-02-19 - 07:48
[ 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 19, 2026 00:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2383521360,1sleep023928-21cut19:05:290
2445421200,3chrt24451-21ntpq22:26:400
83721180,3chrt838-21seq23:29:130
1280621180,2chrt12805-21sleep22:58:000
1651721170,3chrt16518-21runrttasks19:45:320
1392221170,2chrt13921-21seq23:48:410
2577421160,3chrt25773-21ssh00:06:100
2218021160,3chrt22172-21ps00:01:040
1800821160,2chrt18009-21sh21:29:340
1104521150,2chrt11046-21seq23:44:450
787321120,2sleep07874-21runrttasks23:40:010
339521120,3chrt3396-21cat00:21:440
2250721120,2chrt22495-21df21:36:040
966821110,2chrt9670-21grep21:16:310
906521110,3chrt9066-21sleep22:04:170
2894821110,2sleep028988-21basename23:22:140
3068121090,2chrt30682-21sh00:14:020
1870821080,3chrt18709-21chrt22:18:310
685921070,3chrt6860-21sleep22:49:400
2726121060,3chrt27262-21sleep20:53:160
318121030,3chrt3182-21sh22:43:480
143021000,3chrt1432-21mailstats21:52:160
205322990,2sleep020533-21seq23:58:380
266722960,2sleep026674-21cpu22:30:340
207362930,1sleep020739-21if_err_eth022:21:430
4542920,2sleep0455-21chrt19:20:180
177882910,2sleep017789-21fschecks_time23:05:520
154972870,2sleep015498-21chrt00:39:460
98162830,2sleep09817-21seq19:35:020
89332830,2sleep08934-21ps22:52:110
327602830,2sleep032761-21date19:20:030
72042810,2sleep07205-21runrttasks00:26:570
65042810,2sleep06505-21ssh21:11:540
149022780,2sleep014903-21chrt22:12:240
223922770,2sleep022396-21cut20:45:440
120352760,2sleep012036-21runrttasks22:08:270
59252750,2sleep05926-21seq20:20:080
145222730,2sleep014523-21chrt23:00:560
288392720,2sleep028840-21seq19:13:030
199002720,1sleep019901-21awk20:41:220
155442720,2sleep015547-21cut23:51:040
114862710,2sleep011488-21xargs19:36:280
130492700,1sleep013050-21chrt21:21:310
299182690,2sleep029919-21hostname22:35:340
26493906731,22cyclictest20500-21apt-get23:10:240
26493906436,19cyclictest436-21runrttasks21:59:240
26493906330,22cyclictest18397-21/usr/sbin/munin21:31:140
26493906230,23cyclictest1818-21ssh23:30:450
26493906229,23cyclictest31516-21munin-run20:10:040
26493906229,23cyclictest29648-21hddtemp_smartct21:46:350
256252610,2sleep025677-21head20:00:240
26493906041,12cyclictest25331-21ssh23:16:490
26493906034,16cyclictest31877-21/usr/sbin/munin20:12:220
26493906034,14cyclictest19254-21apt-get19:50:190
26493906029,23cyclictest16596-21ntpq20:36:070
26493906028,21cyclictest31208-21/usr/sbin/munin21:00:410
135212600,2sleep013522-21gcc20:31:070
26493905936,14cyclictest32577-21ntpq00:16:260
26493905934,16cyclictest25243-21apt-get21:40:200
26493905927,23cyclictest2772-21/usr/sbin/munin20:16:200
26493905732,14cyclictest13050-21apt-get19:40:150
26493905730,18cyclictest22718-21diskstats19:55:320
26493905729,20cyclictest29231-21ntpq20:56:040
26493905728,20cyclictest9127-21/usr/sbin/munin00:30:440
26493905728,18cyclictest3333-21apt-get19:25:140
26493905727,20cyclictest10418-21ntpq20:26:070
26493905634,15cyclictest2963-21ntpq21:05:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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