You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-07 - 12:33
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 rackcslot4.osadl.org (updated Tue Apr 07, 2026 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32446502284216,53sleep00-21swapper/019:09:310
32443802258194,50sleep10-21swapper/119:06:391
330843021710,4sleep03308413-21munin-run21:30:010
33265362760,4chrt0-21swapper/021:54:530
179699680,3rtkit-daemon1795-21rtkit-daemon23:10:530
33535632560,2sleep10-21swapper/122:33:051
179699520,3rtkit-daemon0-21swapper/123:40:411
179699510,4rtkit-daemon1795-21rtkit-daemon23:21:011
179699510,4rtkit-daemon1795-21rtkit-daemon23:21:001
179699510,4rtkit-daemon1795-21rtkit-daemon22:57:250
33409662500,7sleep10-21swapper/122:15:131
34071472490,10sleep126-21ksoftirqd/123:49:071
33010012480,2sleep00-21swapper/021:19:070
33967002470,4sleep126-21ksoftirqd/123:33:581
32475792450,4sleep10-21swapper/119:15:141
179699450,10rtkit-daemon1795-21rtkit-daemon00:19:110
179699430,7rtkit-daemon3412470-21ssh23:55:291
33613072390,1sleep10-21swapper/122:44:391
179699390,3rtkit-daemon0-21swapper/021:14:520
179699370,6rtkit-daemon3274791-21/usr/sbin/munin20:20:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional