You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-05-09 - 05:42
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 rack2slot7.osadl.org (updated Fri May 09, 2025 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32014399485,25cyclictest0-21swapper/021:41:170
32014399461,3cyclictest400651-21/usr/sbin/munin22:01:170
32014399431,19cyclictest362745-21ntpq21:16:200
32014599413,6cyclictest171rcu_preempt23:08:102
320144994016,8cyclictest11050irq/107-eth%d21:56:241
320143993910,18cyclictest0-21swapper/022:21:220
320143993824,1cyclictest69-21kswapd021:33:100
32014399371,3cyclictest967-21snmpd21:28:010
32014399370,34cyclictest482223-21ssh23:36:230
32014399370,28cyclictest447711-21ntpq22:56:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional