You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-26 - 09:53
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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack5slot7.osadl.org (updated Wed Nov 26, 2025 00:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1705224380,14sleep027551-1kworker/u3:517:36:070
29459915881,53cyclictest16801-21/usr/sbin/munin22:36:590
29459915781,34cyclictest23812-21grep21:17:220
29459915778,54cyclictest30281-21unixbench_singl19:57:220
29459915681,51cyclictest3256-21ssh20:15:160
29459915679,54cyclictest5069-21/usr/sbin/munin20:21:160
29459915577,35cyclictest11639-21ssh20:41:140
29459915381,49cyclictest6847-21cpu20:26:200
29459915379,35cyclictest25449-21ssh19:42:500
29459915377,51cyclictest2354-21sed21:51:340
29459915279,49cyclictest4583-21grep21:57:250
29459915278,52cyclictest8332-21ssh22:10:140
29459915277,50cyclictest5327-21sed17:51:500
29459915275,53cyclictest17949-21sed19:01:550
29459915274,53cyclictest13328-21sshd20:46:170
29459915186,41cyclictest10008-21ssh20:36:080
29459915181,32cyclictest10980-21sed22:17:160
29459915179,47cyclictest12378-21sort22:22:060
29459915175,52cyclictest1438-21ssh21:48:130
29459915174,52cyclictest27925-21/usr/sbin/munin21:32:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional