You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-13 - 11:36
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 rackdslot4.osadl.org (updated Mon Jul 13, 2026 00:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
77152208174,22sleep20-21swapper/219:07:182
77152208174,22sleep20-21swapper/219:07:172
77232204169,23sleep00-21swapper/019:07:240
77232204169,23sleep00-21swapper/019:07:240
76512204171,22sleep10-21swapper/119:06:271
76512204171,22sleep10-21swapper/119:06:271
75902202168,22sleep30-21swapper/319:05:453
75902202168,22sleep30-21swapper/319:05:453
160882690,1sleep216089-21/usr/sbin/munin23:45:182
138491600,1ptp4l401ktimersoftd/300:35:243
138491590,1ptp4l401ktimersoftd/323:18:573
6842580,6sleep341-21ksoftirqd/320:00:103
138491570,1ptp4l401ktimersoftd/322:14:443
208812550,1sleep20-21swapper/219:35:132
208812550,1sleep20-21swapper/219:35:122
138491540,1ptp4l401ktimersoftd/323:20:123
79312520,2sleep10-21swapper/123:30:001
128082520,3sleep212807-21sshd19:16:032
8217995022,8cyclictest25-21ksoftirqd/121:40:271
138491500,1ptp4l401ktimersoftd/322:01:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional