You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-12-03 - 11:09
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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack7slot8.osadl.org (updated Wed Dec 03, 2025 01:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2588522230,6sleep025882-21munin-run19:10:010
259439912440,65cyclictest28843-21chrt23:32:260
259439911759,37cyclictest23410-21apt-key21:05:100
259439911750,48cyclictest1356-21snmpd20:22:100
259439911339,35cyclictest22525-21apt-get23:11:230
259439911238,34cyclictest27525-21latency_hist19:15:010
259439911064,36cyclictest4142-21runrttasks00:01:310
259439911037,38cyclictest15163-21latency_hist20:35:060
259439911036,36cyclictest11613-21df_inode00:30:220
259439911026,26cyclictest15092-21apt-get20:37:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional