You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-06-17 - 01:46
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 50 highest latencies:
System rackcslot6.osadl.org (updated Mon Jun 16, 2025 12:46:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
59392799361360,1cyclictest2067650-21kworker/4:308:12:024
59392799360359,1cyclictest0-21swapper/407:25:034
59392799359358,1cyclictest681927-21kworker/4:010:00:024
59392799358357,1cyclictest2067650-21kworker/4:308:39:024
59392799357356,1cyclictest681927-21kworker/4:010:15:024
59392799357356,1cyclictest0-21swapper/408:23:024
59392799357355,1cyclictest2067650-21kworker/4:309:26:024
59392799357355,1cyclictest0-21swapper/412:14:024
59392799356355,1cyclictest2067650-21kworker/4:307:14:034
59392799356355,1cyclictest0-21swapper/410:26:024
59392799355354,1cyclictest2067650-21kworker/4:308:41:024
59392799354353,1cyclictest724025-21kworker/4:212:37:024
59392799353352,1cyclictest2067650-21kworker/4:308:29:024
59392799353351,1cyclictest724025-21kworker/4:211:49:034
59392799352351,1cyclictest724025-21kworker/4:212:04:024
59392799352350,1cyclictest0-21swapper/408:56:014
59392799351350,1cyclictest724025-21kworker/4:211:12:034
59392799351350,1cyclictest0-21swapper/409:45:024
59392799350349,1cyclictest2067650-21kworker/4:309:16:034
59392799350349,1cyclictest2067650-21kworker/4:307:22:024
59392799350349,1cyclictest0-21swapper/408:15:024
59392799350349,1cyclictest0-21swapper/407:37:034
59392799350348,1cyclictest0-21swapper/411:38:024
59392799350348,1cyclictest0-21swapper/409:52:024
59392799350348,1cyclictest0-21swapper/408:07:034
59392799350348,1cyclictest0-21swapper/408:07:024
59392799350348,1cyclictest0-21swapper/407:18:024
59392799349348,1cyclictest2067650-21kworker/4:307:47:034
59392799349348,1cyclictest0-21swapper/410:34:034
59392799349348,1cyclictest0-21swapper/409:40:034
59392799349347,1cyclictest724025-21kworker/4:210:57:024
59392799349347,1cyclictest0-21swapper/412:33:034
59392799349347,1cyclictest0-21swapper/412:33:034
59392799349347,1cyclictest0-21swapper/411:24:024
59392799349347,1cyclictest0-21swapper/410:20:034
59392799348347,1cyclictest0-21swapper/411:18:024
59392799348347,1cyclictest0-21swapper/408:51:024
59392799348346,1cyclictest2067650-21kworker/4:309:33:024
59392799348346,1cyclictest0-21swapper/411:31:024
59392799348346,1cyclictest0-21swapper/409:02:024
59392799347346,1cyclictest2067650-21kworker/4:308:46:024
59392799347346,1cyclictest0-21swapper/407:59:024
59392799347345,1cyclictest724025-21kworker/4:210:45:034
59392799347345,1cyclictest2067650-21kworker/4:309:05:024
59392799347345,1cyclictest0-21swapper/409:57:024
59392799346345,1cyclictest0-21swapper/410:07:034
59392799345344,1cyclictest681927-21kworker/4:009:35:034
59392799345344,1cyclictest681927-21kworker/4:009:35:024
59392799345343,1cyclictest681927-21kworker/4:010:44:024
59392799345343,1cyclictest681927-21kworker/4:010:35:024
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional