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2026-03-04 - 15:57
[ 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 792 highest latencies:
System rack4slot6s.osadl.org (updated Wed Mar 04, 2026 12:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3018522930,2sleep030184-21systemd-cgroups09:20:070
451922380,3sleep04516-21cat07:40:190
57422240,2sleep0572-21grep11:35:260
2676321420,2sleep026762-21threads09:05:270
300721260,4chrt2999-21ntp_states11:45:220
1209821190,4chrt12096-21memory10:15:190
1067421160,3chrt10673-21/usr/sbin/munin10:10:110
345721100,4chrt3459-21timerwakeupswit09:40:270
731321080,4sleep07381-21sshd07:50:270
2247821070,2sleep022479-21if_eth008:50:140
3029921040,4sleep030306-21awk11:25:220
1365921010,2sleep013660-21mailstats10:20:240
67322990,3sleep06748-21munin-run07:50:000
157332990,3sleep015750-21irqstats12:35:150
264522960,3sleep026524-21/usr/sbin/munin11:10:250
222612930,5sleep022260-21sort08:50:010
66272875,10sleep06703-21latency_hist09:55:020
149032760,3sleep014916-21/usr/sbin/munin12:30:280
100492745,58sleep010053-21who08:00:280
2810827317,32sleep027703-21/usr/sbin/munin07:05:230
28904997025,15cyclictest29058-21/usr/sbin/munin07:10:120
28904996626,16cyclictest11687-21latency_hist12:20:010
2890499629,17cyclictest11043-21ntp_states08:05:220
2890499628,16cyclictest28938-21ls11:20:170
129472623,5sleep00-21swapper08:13:030
324922610,2sleep032490-21ls11:35:010
28904996111,16cyclictest13557-21/usr/sbin/munin12:25:270
2890499609,18cyclictest31475-21/usr/sbin/munin09:25:200
2890499607,16cyclictest3989-21/usr/sbin/munin11:50:290
2890499599,16cyclictest9339-21/usr/sbin/munin10:05:260
2890499599,16cyclictest19345-21sshd10:43:280
2890499598,16cyclictest1871-21ntp_states09:35:220
28904995933,17cyclictest8976-21runrttasks07:57:190
28904995932,17cyclictest8438-21/usr/sbin/munin12:05:260
28904995919,14cyclictest20592-21runrttasks08:42:040
2890499589,17cyclictest4744-21cat09:45:270
2890499589,16cyclictest28579-21munin-run11:20:000
2890499588,16cyclictest18266-21sendmail-msp10:40:010
28904995833,16cyclictest19067-21/usr/sbin/munin08:35:250
28904995832,16cyclictest14886-21/usr/sbin/munin08:20:180
28904995828,20cyclictest87-21jbd2/mmcblk0p1-08:15:250
28904995820,13cyclictest30549-21ntpq07:15:210
28904995811,20cyclictest30009-21munin-run09:20:010
28904995810,16cyclictest1472-21egrep11:40:100
28904995810,15cyclictest23543-21/usr/sbin/munin11:00:150
2890499578,17cyclictest22231-21/usr/sbin/munin10:55:100
2890499577,19cyclictest20948-21/usr/sbin/munin10:50:140
28904995730,15cyclictest6963-21/usr/sbin/munin09:55:190
28904995711,17cyclictest6630-21df12:00:090
28904995710,17cyclictest9205-21df12:10:100
28904995710,16cyclictest16735-21seq08:27:140
2890499568,15cyclictest2463-21seq07:31:430
2890499568,14cyclictest32755-21/usr/sbin/munin09:30:130
2890499567,18cyclictest24832-21/usr/sbin/munin11:05:240
2890499567,16cyclictest11760-21/usr/sbin/munin12:20:150
2890499567,15cyclictest19664-21/usr/sbin/munin10:45:140
2890499567,15cyclictest14508-21/usr/sbin/munin10:25:160
2890499567,14cyclictest23648-21/usr/sbin/munin08:55:300
28904995632,15cyclictest31851-21/usr/sbin/munin07:20:180
28904995611,17cyclictest8444-21awk10:00:240
28904995610,32cyclictest288-21snmpd07:25:270
2890499559,14cyclictest3134-21irqstats07:35:160
2890499557,17cyclictest27540-21/usr/sbin/munin09:10:280
2890499557,14cyclictest15790-21/usr/sbin/munin10:30:140
28904995510,13cyclictest25231-21ntpq09:00:200
2890499549,14cyclictest5274-21/usr/sbin/munin11:55:100
2890499549,13cyclictest17782-21sshd08:30:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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