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2026-01-23 - 18:14
[ 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 #4, slot #6

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 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack4slot6s.osadl.org (updated Fri Jan 23, 2026 12:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1893999310835,31059cyclictest0-21swapper12:22:580
2058122650,3sleep020585-21ntp_kernel_pll_07:15:180
2670522580,3sleep026707-21latency_hist07:40:020
3212222500,3sleep032120-21ls08:00:160
2208321100,3chrt22081-21ntpq11:45:220
2944621090,3sleep029475-21ntpq09:55:210
124892990,3sleep012538-21interrupts08:50:150
22992960,3sleep02350-21mailstats10:15:240
298162940,3sleep029520-21/usr/sbin/munin12:15:240
259602940,3sleep025977-21open_files12:00:230
190342940,3sleep019037-21wc09:15:160
306692910,3sleep030696-21/usr/sbin/munin10:00:170
283212910,3sleep028318-21find09:50:250
256432897,69sleep025641-21ntp_states09:40:230
269762880,3sleep027041-21/usr/sbin/munin09:45:250
151762876,10sleep015201-21munin-run11:20:000
226422860,3sleep022731-21date09:30:010
167302810,2sleep016729-21if_err_eth011:25:150
1889227821,33sleep018916-21munin-run07:10:000
37342710,3sleep03736-21switchtime10:20:260
193292715,57sleep019327-21ntp_states07:10:220
71332610,3sleep07129-21cat10:40:010
18939996010,18cyclictest5913-21seq10:31:130
18939995936,15cyclictest1306-21runrttasks12:33:270
18939995910,16cyclictest7310-21awk10:40:100
1893999589,16cyclictest26804-21/usr/sbin/munin07:40:240
1893999588,16cyclictest8532-21/usr/sbin/munin08:35:250
1893999587,19cyclictest17903-21/usr/sbin/munin11:30:250
1893999586,13cyclictest10898-21chrt10:58:220
18939995834,15cyclictest21733-21/usr/sbin/munin07:20:140
18939995833,16cyclictest27142-21runrttasks12:05:160
18939995830,19cyclictest0-21swapper08:40:110
18939995810,15cyclictest24307-21/usr/sbin/munin09:35:200
1893999579,16cyclictest2079-21/usr/sbin/munin08:10:160
1893999578,16cyclictest24355-21/usr/sbin/munin11:55:190
1893999578,16cyclictest12783-21df11:10:090
18939995734,16cyclictest23108-21/usr/sbin/munin07:25:170
18939995733,16cyclictest31906-21/usr/sbin/munin10:05:150
18939995732,16cyclictest703-21/usr/sbin/munin10:10:160
18939995731,17cyclictest6515-21/usr/sbin/munin08:25:290
18939995710,16cyclictest9011-21seq10:49:180
1893999569,18cyclictest19477-21ntp_states11:35:210
1893999569,17cyclictest5687-21ls10:30:010
1893999568,17cyclictest3359-21/usr/sbin/munin08:15:110
1893999568,16cyclictest4682-21egrep08:20:110
1893999568,16cyclictest1616-21/usr/sbin/munin12:35:120
1893999568,15cyclictest32482-21ntpq12:26:070
1893999568,15cyclictest29593-21/usr/sbin/munin07:50:180
1893999567,16cyclictest11121-21/usr/sbin/munin08:45:180
1893999566,14cyclictest123352chrt11:07:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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