You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-01-21 - 09:13
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

Default latency plot of shadow in rack #7, slot #4

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 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next
  
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.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 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 20 highest latencies:
System rack7slot4s.osadl.org (updated Wed Jan 21, 2026 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31409997740,28cyclictest28366irq/58-eth023:40:133
31409996044,8cyclictest28366irq/58-eth023:15:113
31409995231,12cyclictest28366irq/58-eth023:50:133
31398995119,13cyclictest27-21ksoftirqd/223:55:142
3138899491,44cyclictest23112-21apt-get19:35:131
3138899481,42cyclictest30434-21apt-get20:50:111
3138899481,42cyclictest30434-21apt-get20:50:111
3139899460,20cyclictest20372-21ssh23:00:122
31409994523,10cyclictest28366irq/58-eth023:30:123
3139899452,22cyclictest6508-21ssh00:05:132
3138899452,39cyclictest0-21swapper/123:50:121
3138899451,40cyclictest21156-21apt-get23:55:141
3138899451,39cyclictest0-21swapper/100:20:131
3138899451,2cyclictest2805-21apt-get20:55:131
3140999442,23cyclictest28366irq/58-eth021:25:123
3138899442,39cyclictest22187-21apt-get22:25:121
3138899441,29cyclictest32459-21/usr/sbin/munin20:15:361
3138899440,39cyclictest32728-21apt-get19:45:121
31409994328,7cyclictest28366irq/58-eth023:55:133
3138899439,18cyclictest0-21swapper/123:20:541
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional