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2026-03-01 - 00:30
[ 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 100 highest latencies:
System rack4slot6s.osadl.org (updated Sat Feb 28, 2026 12:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2872622620,2sleep028725-21cat09:10:240
481422570,2sleep04813-21sort11:50:150
108321450,2sleep01084-21modprobe07:25:000
1180921210,4chrt11807-21users12:15:290
2562921180,4chrt25630-21latency_hist09:00:020
882121170,4sleep08837-21memory12:05:170
1970821150,4chrt19706-21users10:40:300
647821120,3chrt6476-21ntp_states09:50:230
3127821090,2chrt31277-21sed07:15:180
1696021090,3chrt16961-21cat12:35:250
1446421090,3chrt14465-21threads10:20:260
137621050,4chrt1377-21cat07:25:170
208942930,4sleep020966-21wc08:40:230
286172880,3sleep028627-21latency07:05:170
105292875,10sleep010531-21ntpq08:00:240
269052775,59sleep026920-21forks11:10:130
207492690,3sleep020751-21uname10:45:250
12392690,3sleep01240-21/usr/sbin/munin11:35:230
47992660,2sleep04800-21latency_hist09:45:010
2967799639,16cyclictest30034-21mailstats09:15:260
29677996135,17cyclictest9102-21/usr/sbin/munin10:00:240
29677996123,14cyclictest29562-21/usr/sbin/munin11:20:160
29677996111,15cyclictest7761-21ntp_states09:55:230
2967799608,16cyclictest2306-21/usr/sbin/munin09:35:270
2967799599,18cyclictest28567-21/usr/sbin/munin11:15:250
29677995933,17cyclictest22044-21runrttasks08:45:190
29677995910,17cyclictest17988-21memory10:35:180
2967799589,15cyclictest11348-21/usr/sbin/munin10:10:250
2967799589,14cyclictest17141-21systemctl08:25:260
2967799588,18cyclictest15408-21/usr/sbin/munin08:20:220
2967799588,15cyclictest14090-21/usr/sbin/munin08:15:200
2967799587,17cyclictest3436-21/usr/sbin/munin11:45:190
29677995833,16cyclictest18406-21/usr/sbin/munin08:30:230
29677995812,16cyclictest4437-21seq07:36:020
29677995811,17cyclictest13818-21/usr/sbin/munin12:25:260
29677995810,17cyclictest12851-21/usr/sbin/munin12:20:230
2967799579,17cyclictest8922-21/usr/sbin/munin07:55:250
2967799579,16cyclictest32273-21ntpq11:30:200
2967799579,16cyclictest30735-21/usr/sbin/munin11:25:230
2967799579,14cyclictest9929-21/usr/sbin/munin12:10:130
2967799578,16cyclictest11524-21/usr/sbin/munin08:05:250
2967799577,15cyclictest25726-21/usr/sbin/munin09:00:240
2967799577,15cyclictest16599-21chrt10:30:130
29677995734,15cyclictest26077-21/usr/sbin/munin11:05:260
29677995734,14cyclictest10156-21/usr/sbin/munin10:05:140
29677995730,16cyclictest24861-21/usr/sbin/munin11:00:290
29677995715,15cyclictest16468-21wc10:30:020
29677995711,14cyclictest6457-21/usr/sbin/munin11:55:250
2967799568,16cyclictest19257-21/usr/sbin/munin08:35:280
2967799568,15cyclictest15099-21/usr/sbin/munin12:30:120
2967799567,17cyclictest13437-21seq08:10:400
29677995632,16cyclictest23210-21/usr/sbin/munin10:55:190
29677995632,15cyclictest31065-21/usr/sbin/munin09:20:170
29677995632,15cyclictest27430-21/usr/sbin/munin09:05:250
29677995631,15cyclictest23216-21/usr/sbin/munin08:50:130
29677995610,17cyclictest6501-21irqstats07:45:160
2967799558,16cyclictest21686-21/usr/sbin/munin10:50:210
2967799558,14cyclictest32465-21ntpq09:25:210
2967799557,15cyclictest7639-21/usr/sbin/munin07:50:140
2967799556,15cyclictest12825-21/usr/sbin/munin10:15:200
29677995534,13cyclictest1120-21/usr/sbin/munin09:30:150
29677995532,14cyclictest5191-21/usr/sbin/munin07:40:160
29677995530,16cyclictest3463-21runrttasks07:33:350
29677995512,15cyclictest7673-21open_inodes12:00:220
2967799548,15cyclictest2155-21/usr/sbin/munin11:40:140
2967799548,13cyclictest30942-21modprobe07:15:000
29677995310,15cyclictest5043-21chrt09:45:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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