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2026-02-05 - 11:42
[ 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 Feb 05, 2026 00:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27251224382182,98sleep00-21swapper19:06:210
277059916117,102cyclictest29517-21diskstats22:40:570
277059916013,123cyclictest9064-21apt-config20:35:250
277059915925,21cyclictest0-21swapper19:15:220
27705991579,45cyclictest921-21wc23:05:040
27705991579,125cyclictest25166-21/usr/sbin/munin22:15:390
277059915722,113cyclictest22768-21latency_hist22:00:060
277059915719,111cyclictest1569-21users19:46:070
277059915717,114cyclictest6479-21munin-run23:40:010
277059915717,113cyclictest29374-21apt-get19:20:180
277059915714,118cyclictest28521-21ls19:15:080
277059915616,26cyclictest1706-21apt-get19:50:190
277059915613,121cyclictest4087-21munin-run23:25:010
277059915612,25cyclictest21855-21modprobe21:55:010
277059915611,121cyclictest14822-21wc21:10:230
277059915514,24cyclictest3274-21munin-run23:20:030
277059915511,120cyclictest5790-21snmpd20:50:460
277059915511,119cyclictest10715-21forks00:05:350
277059915437,95cyclictest4974-21cstates20:10:250
277059915415,100cyclictest31865-21diskstats19:35:350
277059915413,40cyclictest15391-21/usr/sbin/munin00:35:090
277059915413,115cyclictest27539-21sort22:30:050
277059915412,118cyclictest19459-21apt21:40:020
277059915412,101cyclictest9679-21munin-run00:00:030
277059915312,99cyclictest5790-21snmpd22:30:490
277059915310,117cyclictest13732-21timerandwakeup21:01:050
277059915241,89cyclictest4902-21latency_hist23:30:020
277059915216,111cyclictest20378-21apt-get21:45:190
277059915214,22cyclictest3978-21users20:01:050
277059915214,113cyclictest31071-21diskstats19:30:340
277059915213,36cyclictest7764-21processes23:45:530
277059915213,115cyclictest12892-21munin-run00:20:020
277059915134,20cyclictest14644-21sshd21:09:330
277059915126,107cyclictest8819-1kworker/u3:220:40:170
277059915119,23cyclictest30860-21apt19:30:010
277059915115,24cyclictest8232-21diskstats20:30:320
277059915113,28cyclictest16378-21/usr/sbin/munin21:20:330
277059915112,23cyclictest16195-21unixbench_singl21:16:030
277059915038,20cyclictest32631-21latency_hist23:00:060
277059915018,27cyclictest28496-21diskstats22:35:350
277059915016,27cyclictest4112-21/usr/sbin/munin20:05:210
277059915014,24cyclictest12446-21df20:55:240
277059915013,112cyclictest26196-21kernelversion22:20:400
277059915010,27cyclictest31483-21mailstats22:50:550
27705991499,99cyclictest17811-21head21:26:050
27705991498,119cyclictest18476-21switchtime21:30:580
277059914934,94cyclictest24049-21mailstats22:05:590
277059914919,29cyclictest15253-21users00:31:060
277059914916,109cyclictest30330-21df22:45:330
277059914915,25cyclictest9799-21apt-get00:00:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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