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2026-01-15 - 09:06
[ 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 #5, slot #7

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: 50.5 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack5slot7s.osadl.org (updated Thu Jan 15, 2026 00:45:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23906224082154,58sleep00-21swapper19:06:080
243879916636,91cyclictest20211-21munin-run22:00:020
243879916412,29cyclictest7313-21ls00:00:040
243879916213,123cyclictest20840-21switchtime22:00:570
243879916130,20cyclictest0-21swapper23:05:040
243879916033,35cyclictest4669-21http23:45:050
243879916018,41cyclictest32727-21apt-get20:01:370
243879915817,116cyclictest3072-21apt-get20:15:270
243879915814,25cyclictest29527-21munin-run19:40:020
243879915618,111cyclictest31233-21apt-get19:50:180
243879915617,38cyclictest14662-21irqstats21:25:370
243879915614,119cyclictest4178-21diskstats20:20:370
243879915517,23cyclictest10726-21diskstats00:20:320
243879915515,99cyclictest1622-21wc23:25:210
243879915515,38cyclictest12897-21apt00:35:000
243879915515,116cyclictest23470-21munin-run22:20:020
243879915431,25cyclictest32702-21ntp_states23:15:520
243879915416,100cyclictest5033-21irqstats20:25:380
243879915415,114cyclictest25352-21irqstats22:30:380
243879915415,113cyclictest2388-21irqstats20:10:400
243879915414,115cyclictest4817-21apt-get23:45:260
243879915413,24cyclictest9827-21/usr/sbin/munin20:55:370
243879915413,117cyclictest6468-21cron23:55:000
24387991539,120cyclictest3846-21apt23:40:010
243879915328,20cyclictest0-21swapper21:33:380
243879915318,24cyclictest8963-21df_inode20:50:280
243879915314,40cyclictest17517-21grep21:41:020
243879915314,23cyclictest30339-21apt19:45:010
243879915312,29cyclictest27777-21uname22:45:410
24387991529,26cyclictest29944-21cat23:00:060
24387991528,119cyclictest11898-21grep21:06:030
243879915233,21cyclictest8769-21grep20:50:030
243879915218,28cyclictest11724-21ntp_states00:25:500
243879915217,24cyclictest21296-21irqstats22:05:390
243879915214,26cyclictest7760-21mailstats20:40:570
243879915139,92cyclictest27504-21missed_timers19:25:440
243879915128,23cyclictest0-21swapper19:31:000
243879915118,110cyclictest25577-21irqstats19:15:260
243879915117,93cyclictest12238-21irqstats21:10:380
243879915115,93cyclictest18386-21apt-get21:50:510
243879915113,23cyclictest24635-21cat22:25:440
243879915112,97cyclictest32731-21munin-run20:00:020
243879915112,116cyclictest24652-21irqstats19:10:390
243879915110,119cyclictest22640-21wc22:15:030
243879915019,30cyclictest29039-21users22:51:040
243879915017,24cyclictest13700-21munin-run00:40:030
243879915016,23cyclictest27453-21users22:41:040
243879915015,112cyclictest9957-21irqstats00:15:380
243879915013,25cyclictest31052-21sed19:46:020
243879915012,114cyclictest6235-21sort20:31:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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