You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-18 - 05:43
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: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack4slot3.osadl.org (updated Tue Nov 18, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19194213018,27sleep019237-21nfs_client19:08:310
31121150,4sleep0308-21grep23:08:590
25970210015,15sleep025975-21grep00:28:320
20275999824,64cyclictest21202-21munin-node00:13:410
2072329714,15sleep020726-21iostat_ios19:13:320
20275999623,63cyclictest25951-21missed_timers22:48:430
20275999615,71cyclictest31373-21sshd21:25:350
20275999515,70cyclictest6772-21processes23:28:520
20275999514,71cyclictest27407-21munin-node19:33:420
20275999424,61cyclictest14049-21runrttasks23:53:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional