You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-01-08 - 15:52
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 rack3slot6.osadl.org (updated Thu Jan 08, 2026 12:44:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9049912971,47cyclictest14-21ksoftirqd/012:05:120
393721090,5chrt3245-21/usr/sbin/munin07:15:291
9049910812,38cyclictest11938-31find07:40:110
9049910717,80cyclictest0-21swapper/008:30:230
9049910614,81cyclictest0-21swapper/008:10:080
9049910614,26cyclictest0-21swapper/008:00:160
9049910613,82cyclictest0-21swapper/011:25:120
9049910412,29cyclictest0-21swapper/011:05:130
904991038,36cyclictest998-21seq10:15:210
904991029,38cyclictest26810-21chrt08:25:110
9049910213,30cyclictest0-21swapper/010:05:120
9049910111,31cyclictest0-21swapper/010:25:140
9049910014,28cyclictest0-21swapper/012:35:120
904999712,27cyclictest0-21swapper/010:50:100
90699966,70cyclictest0-21swapper/109:59:111
904999614,30cyclictest10615-21diskmemload09:10:120
904999413,26cyclictest0-21swapper/010:40:100
90699928,62cyclictest0-21swapper/110:25:121
90699909,63cyclictest0-21swapper/112:00:111
90699907,64cyclictest0-21swapper/108:50:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional