You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-14 - 06:26
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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack4slot3.osadl.org (updated Fri Nov 14, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5276211115,21sleep05341-21df19:08:120
68089910529,66cyclictest3533-21runrttasks20:34:500
6808999931,58cyclictest19817-21munin-node19:53:390
6808999715,73cyclictest22312-21chrt21:38:460
104529715,16sleep01046-21irqstats23:53:320
6808999515,70cyclictest18515-21fschecks_time19:48:220
6808999415,70cyclictest5964-21munin-node22:28:340
6808999331,16cyclictest41ktimersoftd/019:28:210
6808999324,60cyclictest9752-21timerwakeupswit00:18:550
6808999315,69cyclictest31997-21munin-node20:28:510
6808999315,68cyclictest8827-21munin-node20:58:210
1442129313,15sleep014465-21grep00:33:500
1086829314,19sleep010882-21iostat00:23:310
6808999225,58cyclictest4436-21latency00:03:320
6808999222,61cyclictest13402-21runrttasks22:52:360
6808999215,68cyclictest17732-21timerwakeupswit23:03:550
6808999214,70cyclictest27369-21smart_hda23:33:550
6808999214,69cyclictest29556-21munin-node20:24:030
6808999214,69cyclictest12092-21cut00:28:150
6808999213,43cyclictest31363-21aten_r4power_po22:08:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional