You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-06-23 - 21:03
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 Jun 23, 2025 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
199697423660,9sleep10-21swapper/107:05:211
19983192242200,28sleep00-21swapper/007:08:320
1998553998881,5cyclictest2138270-21fwupd11:00:500
21855052740,1chrt2185508-21awk12:00:261
125899740,5rtkit-daemon2156436-21apt-get11:25:151
125899730,4rtkit-daemon1257-21rtkit-daemon07:37:251
125899650,3rtkit-daemon0-21swapper/011:21:281
199855399613,37cyclictest2156436-21apt-get11:25:160
199855399612,38cyclictest2060154-21apt-get09:25:190
199855399581,37cyclictest2104995-21apt-get10:20:160
199855399572,35cyclictest2096804-21apt-get10:10:180
199855399560,8cyclictest2161878-21ssh11:30:370
125899560,4rtkit-daemon1257-21rtkit-daemon09:32:510
199855399540,7cyclictest2095632-21ssh10:08:170
125899530,4rtkit-daemon1257-21rtkit-daemon11:16:071
20923522520,6chrt2092354-21latency_hist10:05:001
1998553995211,21cyclictest2077880-21sh09:46:170
199855399512,32cyclictest2031968-21apt-get08:30:190
1998553995110,22cyclictest2075517-21sh09:44:200
199855399510,3cyclictest2047399-21diskmemload09:21:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional