You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-27 - 10:39
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.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack3slot2.osadl.org (updated Thu Nov 27, 2025 00:44:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
213906022570,3chrt1-21systemd19:20:080
217107022540,3sleep02171068-21switchtime21:16:570
218794822420,4chrt2187946-21ntpq22:06:470
221483322400,2chrt2214831-21if_wlan023:25:330
218261522370,3chrt2182617-21awk21:51:010
216187522300,3chrt2161870-21ntpq20:45:390
215167222270,2sleep02151673-21ls20:05:070
216933822230,2sleep02169340-21grep21:12:020
218616922150,2sleep02186167-21ntp_states22:01:270
220274722140,2sleep02202745-21df22:50:170
219925422100,2sleep02199256-21sort22:40:140
218074022030,2sleep02180741-21cat21:45:370
215302322000,3sleep02153024-21ls20:10:060
213622999198170,17cyclictest2209332-21kworker/u2:123:15:290
222624021930,3chrt2226239-21ssh23:59:030
213622999193164,17cyclictest2176406-21kworker/u2:121:35:290
213622999193163,19cyclictest2212348-21kworker/u2:223:40:060
213622999193162,20cyclictest2200702-21kworker/u2:222:45:050
219418821910,3sleep02194191-21grep22:25:140
214048021900,2sleep02140481-21cat19:25:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional