You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-08-29 - 14:52
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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackbslot2.osadl.org (updated Thu Aug 28, 2025 12:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17866672245188,19sleep30-21swapper/307:08:563
17865382224177,38sleep10-21swapper/107:07:171
17864792222194,19sleep00-21swapper/007:06:310
17865922217188,19sleep20-21swapper/207:07:582
1786918997715,61cyclictest1920717-21munin-update09:45:012
1786918996453,10cyclictest1972889-21/usr/share/muni10:45:012
1786920996348,14cyclictest1972867-21chrome10:45:013
1786920996314,47cyclictest1920997-21chrome09:45:013
1786920995752,3cyclictest1817670-21ThreadPoolForeg07:45:013
1786918995552,1cyclictest1817389-21munin-update07:45:012
1786918995144,3cyclictest1800102-21kworker/u8:4+events_unbound07:50:042
1786918995047,2cyclictest1834272-21kworker/u8:2+events_unbound08:10:142
1786914994949,0cyclictest0-21swapper/111:45:001
1786918994846,1cyclictest2061013-21awk12:25:122
1786918994843,3cyclictest1834272-21kworker/u8:2+flush-179:008:05:052
1786914994847,0cyclictest2061014-21awk12:25:131
1786918994745,1cyclictest1856259-21kworker/2:2+pm08:55:052
1786918994744,2cyclictest1800102-21kworker/u8:4+flush-179:008:35:152
1786920994637,8cyclictest1804788-21/usr/share/muni07:30:123
1786918994639,3cyclictest1834272-21kworker/u8:2+events_unbound08:40:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional