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2026-02-21 - 20:26
[ 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 all highest latencies:
System rack5slot7s.osadl.org (updated Sat Feb 21, 2026 12:45:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30820224402197,95sleep00-21swapper07:06:280
312579916417,124cyclictest20444-21munin-run09:20:040
312579916016,24cyclictest5939-21apt-get07:50:260
312579915919,24cyclictest3143-21apt-get07:36:250
312579915816,59cyclictest27088-21munin-run10:00:020
312579915814,117cyclictest22254-21df09:30:250
312579915811,124cyclictest1080-21grep10:40:040
312579915716,33cyclictest22945-21/usr/sbin/munin09:35:350
312579915634,101cyclictest7639-21latency_hist08:00:050
312579915631,104cyclictest20690-21unixbench_singl12:36:060
312579915618,112cyclictest3552-21apt-get10:55:170
312579915617,115cyclictest17226-21apt09:00:010
312579915617,115cyclictest10822-21munin-run08:20:020
312579915611,121cyclictest6335-21grep11:10:530
312579915526,20cyclictest31609-21missed_timers07:10:450
312579915518,29cyclictest5282-21diskstats11:05:350
312579915515,22cyclictest13615-21apt-get11:55:190
312579915512,115cyclictest28791-21/usr/sbin/munin10:11:000
312579915430,18cyclictest0-21swapper10:45:370
312579915423,22cyclictest0-21swapper09:05:540
312579915418,112cyclictest3108-21users07:31:080
312579915415,117cyclictest9076-21apt-get11:31:010
312579915320,26cyclictest14464-21ntp_states08:40:530
312579915318,27cyclictest12822-21apt-get11:50:180
312579915316,99cyclictest10265-21apt-get11:35:310
312579915313,117cyclictest9316-21apt-get08:10:170
312579915313,100cyclictest3460-21cat10:55:030
312579915312,99cyclictest7058-21ntpq11:15:480
312579915312,115cyclictest12026-21/usr/sbin/munin11:45:480
312579915311,115cyclictest245-21cron12:20:000
312579915310,42cyclictest8993-21grep11:26:020
31257991529,101cyclictest5681-21timerwakeupswit07:46:020
312579915240,90cyclictest7741-21if_eth011:20:370
312579915219,105cyclictest14548-21diskstats12:00:330
312579915217,110cyclictest1275-21df_inode10:40:290
312579915215,24cyclictest11598-21wc11:41:020
312579915214,114cyclictest25362-21apt-get09:50:170
312579915213,96cyclictest28111-21diskstats10:05:340
312579915210,26cyclictest27815-21grep10:01:090
312579915133,20cyclictest0-21swapper08:50:570
312579915123,20cyclictest0-21swapper07:25:590
312579915119,30cyclictest24568-21apt-get09:45:220
312579915115,110cyclictest5065-21latency_hist11:05:040
312579915113,40cyclictest14021-21apt08:40:020
312579915113,22cyclictest14941-21apt-get08:45:180
312579915113,114cyclictest4813-21sort07:41:080
312579915111,116cyclictest32010-21apt-get10:30:170
312579915018,27cyclictest975-21diskstats07:20:340
312579915014,109cyclictest19245-21/usr/sbin/munin12:31:100
312579915013,114cyclictest672-21head07:16:220
312579915013,114cyclictest31465-21wc10:25:450
312579915010,40cyclictest8883-21ps08:05:530
312579914917,107cyclictest15474-21memory12:05:440
312579914915,108cyclictest17348-21/usr/sbin/munin09:00:210
312579914913,113cyclictest17973-21ntp_states12:20:500
312579914910,25cyclictest20735-21/usr/sbin/munin09:20:370
312579914836,22cyclictest13137-21/usr/sbin/munin08:31:020
312579914831,21cyclictest0-21swapper09:10:180
312579914814,112cyclictest12329-21sort08:26:020
312579914814,106cyclictest10942-21apt-get08:20:180
312579914813,21cyclictest23958-21uname09:40:410
312579914711,113cyclictest19156-21cat12:30:020
312579914711,111cyclictest30831-21awk10:20:540
312579914616,25cyclictest16029-21apt-get12:10:140
312579914613,24cyclictest29688-21df10:15:250
312579914415,23cyclictest21358-21apt-get09:25:200
312579914312,24cyclictest8262-21threads08:00:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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