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2026-01-21 - 07:51
[ 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 highest latencies:
System rack5slot7s.osadl.org (updated Wed Jan 21, 2026 00:45:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24684224302191,94sleep00-21swapper19:09:130
248169917519,129cyclictest25696-21apt-get22:30:230
248169917314,114cyclictest712-21apt20:00:020
248169916216,120cyclictest27784-21diskstats19:25:300
248169916141,22cyclictest8758-21latency_hist20:50:030
248169916113,123cyclictest9540-21apt-get20:56:480
248169916016,120cyclictest17441-21sshd21:40:300
248169915816,21cyclictest1069-21apt-get23:15:230
248169915736,23cyclictest8224-21awk23:56:000
248169915719,116cyclictest19045-21apt21:50:130
248169915712,121cyclictest23910-21cron22:20:000
248169915642,89cyclictest27366-21sendmail22:40:010
248169915613,20cyclictest12145-21zcat00:20:560
248169915610,123cyclictest6432-21/usr/sbin/munin20:36:080
248169915516,25cyclictest16235-21apt-get21:37:000
248169915515,25cyclictest30994-21diskstats19:45:310
248169915512,116cyclictest27475-21/usr/sbin/munin22:40:120
248169915510,122cyclictest18948-21apt-config21:50:080
248169915415,115cyclictest9542-21munin-run20:55:010
248169915412,25cyclictest289-21snmpd23:34:080
248169915319,107cyclictest29066-21apt-get22:50:180
248169915317,25cyclictest24941-21df_inode22:25:290
248169915314,23cyclictest11605-21munin-run00:20:020
248169915313,25cyclictest30702-21/usr/sbin/munin23:00:120
248169915311,102cyclictest24910-21/usr/sbin/munin19:10:460
248169915216,113cyclictest27573-21munin-run19:25:020
248169915214,28cyclictest895-21unixbench_singl23:11:090
248169915214,114cyclictest29969-21munin-run19:40:030
248169915213,116cyclictest22311-21apt22:10:010
248169915211,117cyclictest3322-21wc23:25:540
248169915119,27cyclictest10698-21apt-get21:00:280
248169915118,106cyclictest4594-21diskstats23:35:320
248169915116,24cyclictest21519-21munin-run22:05:010
248169915116,23cyclictest9409-21df_inode00:05:290
248169915116,114cyclictest13835-21munin-run21:20:020
248169915115,113cyclictest6205-21df_inode23:45:290
248169915114,25cyclictest7366-21df_inode20:40:300
248169915114,114cyclictest31753-21apt-get23:05:350
248169915110,118cyclictest5271-21find20:25:560
248169915110,115cyclictest2789-21wc20:10:530
248169915037,22cyclictest12198-21latency_hist21:10:040
248169915016,111cyclictest30557-21apt-get23:00:020
248169915011,99cyclictest13676-21ps00:30:520
24816991499,42cyclictest6286-21head20:31:010
24816991499,116cyclictest14110-21apt-get00:35:120
248169914917,21cyclictest12837-21ntp_states00:25:520
248169914914,112cyclictest3932-21munin-run20:20:020
24816991488,115cyclictest24763-21sort22:25:050
248169914820,100cyclictest28272-21apt-get22:45:210
248169914817,106cyclictest26043-21apt-get19:15:340
248169914817,105cyclictest15543-21apt-get21:30:190
248169914816,28cyclictest5303-21apt-get23:40:200
248169914814,114cyclictest289-21snmpd21:55:150
248169914812,28cyclictest7256-21wc23:50:570
248169914716,22cyclictest4747-21munin-run20:25:020
248169914715,26cyclictest13952-21/usr/sbin/munin21:20:520
248169914712,111cyclictest842-21grep20:00:200
248169914711,27cyclictest31679-21dpkg19:50:120
248169914616,25cyclictest10207-21df_inode00:10:310
248169914614,108cyclictest30504-21zcat19:40:550
248169914530,19cyclictest0-21swapper21:10:460
248169914518,24cyclictest2275-21irqstats23:20:440
248169914511,23cyclictest289-21snmpd20:06:190
248169914316,26cyclictest28708-21memory19:30:410
248169914315,106cyclictest14854-21df_inode21:25:290
248169914314,22cyclictest22518-21df_inode22:10:290
248169914310,110cyclictest8800-21grep00:00:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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