You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-09-28 - 16:24
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 rackdslot3.osadl.org (updated Mon Sep 28, 2026 12:45:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491206172,22phc2sys0-21swapper/307:05:523
293242205172,22sleep20-21swapper/207:07:542
291732203169,22sleep00-21swapper/007:05:550
291692203170,22sleep10-21swapper/107:05:521
3121321530,4sleep22979099cyclictest09:25:212
139391690,1ptp4l4963-21apt-get09:40:123
139391640,0ptp4l401ktimersoftd/311:10:203
50982590,1sleep20-21swapper/207:25:142
29790995627,4cyclictest33-21ksoftirqd/208:54:592
29790995521,5cyclictest33-21ksoftirqd/212:15:262
29790995424,4cyclictest33-21ksoftirqd/209:10:242
139391540,1ptp4l401ktimersoftd/307:19:553
139391540,1ptp4l401ktimersoftd/307:19:553
29790995322,5cyclictest33-21ksoftirqd/208:55:132
29790995223,4cyclictest33-21ksoftirqd/211:45:182
29790995221,5cyclictest33-21ksoftirqd/207:30:182
29790995220,5cyclictest33-21ksoftirqd/211:25:252
29790995219,5cyclictest33-21ksoftirqd/211:09:592
29790995218,11cyclictest33-21ksoftirqd/207:15:232
29790995218,11cyclictest33-21ksoftirqd/207:15:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional