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2026-01-17 - 11:48
[ 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 792 highest latencies:
System rack5slot7s.osadl.org (updated Sat Jan 17, 2026 00:45:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12872224262186,96sleep00-21swapper19:06:090
133499916315,25cyclictest15716-21diskstats19:20:510
133499916314,123cyclictest772-21cat00:25:050
133499916215,123cyclictest21433-21apt-get23:16:290
133499916015,122cyclictest32334-21munin-run00:20:020
133499915915,118cyclictest9169-21apt22:00:000
133499915816,100cyclictest15598-21apt-get22:40:030
133499915634,21cyclictest28641-21kernelversion20:40:400
133499915615,117cyclictest25675-21apt23:40:010
133499915533,103cyclictest11680-21apt-get22:15:120
133499915517,24cyclictest2542-21munin-run21:20:010
133499915510,122cyclictest289-21snmpd23:45:310
133499915429,21cyclictest16436-21apt-get19:25:180
133499915421,28cyclictest25263-21apt-get20:20:210
133499915413,116cyclictest1694-21diskstats00:30:320
133499915334,20cyclictest289-21snmpd19:41:010
133499915316,114cyclictest24129-21wc23:30:040
133499915313,28cyclictest28411-21cat20:40:050
133499915311,117cyclictest24549-21ps23:30:510
133499915224,104cyclictest15598-21apt-get22:41:310
133499915216,23cyclictest3085-21munin-run00:40:020
133499915216,110cyclictest6996-21diskstats21:45:310
133499915213,116cyclictest20287-21sed19:46:030
133499915210,118cyclictest30042-21timerandwakeup20:47:010
133499915210,116cyclictest22952-21diskstats20:05:360
133499915135,20cyclictest30467-21uname20:50:460
133499915118,27cyclictest24432-21apt-get20:15:160
133499915115,23cyclictest28884-21munin-run00:00:030
133499915112,115cyclictest18724-21munin-plugin-st19:40:020
133499915111,26cyclictest20558-21head23:06:000
133499915025,19cyclictest0-21swapper21:40:300
133499915017,108cyclictest32595-21apt21:05:010
133499915016,23cyclictest31782-21munin-run21:00:020
133499915016,114cyclictest14154-21munin-node19:15:080
133499915015,115cyclictest4943-21apt-get21:35:330
133499915013,28cyclictest14657-21sed22:31:010
133499915011,113cyclictest30045-21grep00:05:450
13349991499,27cyclictest4612-21ps21:30:520
133499914935,95cyclictest19229-21cstates23:00:230
133499914919,105cyclictest16748-21apt-get22:45:220
133499914916,112cyclictest14382-21users19:15:200
133499914915,27cyclictest22596-21/usr/sbin/munin23:20:550
133499914914,114cyclictest3888-21mailstats21:25:560
133499914913,112cyclictest31295-21latency_hist00:15:060
133499914911,26cyclictest17725-21/usr/sbin/munin19:30:580
133499914911,116cyclictest27273-21grep20:30:550
133499914911,114cyclictest17549-21wc22:50:200
13349991488,25cyclictest19031-21munin-plugin-st23:00:020
133499914816,26cyclictest2662-21apt-get21:20:160
133499914815,20cyclictest21929-21munin-run20:00:020
13349991479,21cyclictest8370-21apt21:55:020
133499914728,21cyclictest0-21swapper22:00:490
133499914717,26cyclictest23876-21/usr/sbin/munin20:10:420
133499914716,24cyclictest13419-21diskstats22:25:330
133499914715,25cyclictest27500-21diskstats23:50:320
133499914714,112cyclictest792-21apt-get00:25:200
133499914712,39cyclictest11245-21grep22:10:520
133499914616,22cyclictest20533-21df19:50:250
133499914611,41cyclictest26438-21sed23:41:010
133499914513,27cyclictest12507-21/usr/sbin/munin22:20:210
133499914513,107cyclictest22046-21/usr/sbin/munin20:00:330
13349991448,39cyclictest26647-21grep20:26:020
133499914412,24cyclictest10402-21ntp_states22:05:470
133499914333,89cyclictest1308-21/usr/sbin/munin21:10:450
133499914319,25cyclictest20851-21diskstats23:10:330
133499914314,105cyclictest29004-21apt-get00:00:120
133499914214,21cyclictest337-21df_inode21:05:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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