You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-06-29 - 00:50
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: performance
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack1slot2.osadl.org (updated Sat Jun 28, 2025 12:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
838423826,0sleep20-21swapper/206:28:232
136623828,0sleep30-21swapper/306:23:553
821723525,0sleep10-21swapper/106:26:251
807923026,0sleep00-21swapper/006:24:480
329970,0watchdog/331384-21fschecks_time07:29:093
329970,0watchdog/321876-21sh11:01:173
329970,0watchdog/315170-21ssh09:19:253
329970,0watchdog/30-21swapper/311:09:133
329970,0watchdog/30-21swapper/310:19:093
329970,0watchdog/30-21swapper/309:59:053
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional