You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-20 - 16:00
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
Characteristics of the 20 highest latencies:
System rackcslot4.osadl.org (updated Mon Apr 20, 2026 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13200012260184,61sleep10-21swapper/107:08:591
13200522256184,57sleep00-21swapper/007:09:310
179699550,3rtkit-daemon1795-21rtkit-daemon10:55:580
14850812550,5sleep01484837-21python311:55:020
179699530,4rtkit-daemon1795-21rtkit-daemon08:56:060
179699520,4rtkit-daemon1795-21rtkit-daemon08:10:160
179699520,3rtkit-daemon1795-21rtkit-daemon11:47:401
179699510,4rtkit-daemon1795-21rtkit-daemon08:51:060
13731252500,4sleep01373127-21sendmail_mailqu09:15:240
179699490,4rtkit-daemon1795-21rtkit-daemon09:44:211
13442152450,4sleep01342901-21/usr/sbin/munin08:05:270
179699440,3rtkit-daemon1795-21rtkit-daemon08:39:060
179699400,12rtkit-daemon26-21ksoftirqd/112:36:100
179699390,3rtkit-daemon0-21swapper/008:50:211
179699380,3rtkit-daemon0-21swapper/111:44:281
179699370,3rtkit-daemon0-21swapper/112:24:371
179699370,3rtkit-daemon0-21swapper/007:49:310
179699360,5rtkit-daemon1495361-21ssh12:08:471
179699360,4rtkit-daemon0-21swapper/010:24:361
179699360,3rtkit-daemon0-21swapper/112:19:571
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional