You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-07-27 - 08:06
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.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack5slot4.osadl.org (updated Sat Jul 27, 2024 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
87852124115,6sleep10-21swapper/119:06:401
8755212462,8sleep30-21swapper/319:06:183
87422118109,6sleep00-21swapper/019:06:060
8851210996,7sleep20-21swapper/219:07:342
269342960,6sleep1922599cyclictest23:52:421
260952690,1sleep229-21rcuc/222:30:192
221442680,0sleep20-21swapper/223:36:162
291462630,1sleep08-21rcu_preempt21:10:180
59582610,0sleep00-21swapper/023:03:050
240092590,0sleep10-21swapper/122:30:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional