You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-09-19 - 03:08
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
Characteristics of the 20 highest latencies:
System rack6slot5.osadl.org (updated Fri Sep 19, 2025 00:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
529199107555513,5231cyclictest9799-21kworker/0:223:02:540
52919999625192,4758cyclictest29173-21kworker/0:100:39:040
52919998775261,4611cyclictest16946-21kworker/0:019:31:310
52919998555135,4708cyclictest21242-21kworker/0:122:37:530
52919997905117,4669cyclictest22421-21kworker/0:100:18:130
52919997735112,4657cyclictest25662-21kworker/0:223:27:360
52919997015070,4620cyclictest16946-21kworker/0:020:09:380
52919996455133,4501cyclictest16946-21kworker/0:019:23:380
52919994784767,4700cyclictest21242-21kworker/0:122:25:060
52919994564840,4612cyclictest21242-21kworker/0:122:33:380
52919993444805,4528cyclictest21242-21kworker/0:122:21:020
52919992434757,4475cyclictest25662-21kworker/0:223:44:190
52919991964630,4555cyclictest2322-21kworker/0:222:41:570
52919991424679,4451cyclictest16020-21kworker/0:023:15:050
52919991354693,4431cyclictest25758-21kworker/0:200:26:400
52919990474651,4385cyclictest25662-21kworker/0:223:56:500
52919990434643,4396cyclictest5376-21kworker/0:121:47:460
52919990384550,4477cyclictest9799-21kworker/0:222:54:470
52919990344657,4373cyclictest16946-21kworker/0:020:36:470
52919990254632,4382cyclictest25662-21kworker/0:223:23:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional