You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-10-30 - 18:52
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 rackaslot0.osadl.org (updated Thu Oct 30, 2025 12:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
299152830,0sleep129916-21munin-node09:40:261
96882600,1sleep30-21swapper/309:42:083
138902560,1sleep030446-21diskmemload11:46:040
105202550,1sleep210517-21sshd12:27:482
318372540,1sleep30-21swapper/311:11:453
248152540,0sleep11506-21nfsd10:29:571
319392530,0sleep10-21swapper/109:22:561
139322530,1sleep119-21rcuc/110:36:431
89742520,0sleep08951-21sshd12:27:380
3006125230,18sleep30-21swapper/307:08:413
2964025228,19sleep20-21swapper/207:05:402
262692520,1sleep119-21rcuc/109:52:441
153402520,1sleep115324-21sshd10:04:101
94602510,0sleep11722-21runrttasks11:13:121
91122510,1sleep30-21swapper/309:33:273
2995425027,19sleep00-21swapper/007:07:530
2970425028,18sleep10-21swapper/107:06:061
234032500,0sleep3381ktimersoftd/310:50:143
209352500,0sleep30-21swapper/312:18:393
133732500,0sleep20-21swapper/208:35:222
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional