You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-23 - 05:22
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: 50 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 rack3slot2.osadl.org (updated Sun Nov 23, 2025 00:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10529623050,3chrt105297-21cat22:05:430
9555122750,2sleep095552-21/usr/sbin/munin21:37:010
6519022730,4chrt65192-21wc19:55:070
11361422630,3chrt113612-21diskstats22:30:260
15149522510,4chrt151484-21ntpq00:21:360
14465722510,2sleep0144658-21munin-node00:00:590
8477222480,3chrt84768-21apt-get21:05:130
13258422460,4chrt132580-21memory23:25:410
10740722450,3chrt106598-21/usr/sbin/munin22:11:540
6679322420,3chrt66794-21/usr/sbin/munin20:00:250
7578822370,3chrt75787-21/usr/sbin/munin20:31:230
13001922250,3chrt130018-21ssh23:18:010
5253399218190,18cyclictest140579-21kworker/u2:100:00:060
14772122170,2sleep0147723-21latency00:10:360
5253399207179,17cyclictest102951-21kworker/u2:322:55:310
9200622060,3sleep092008-21ps21:26:560
10073322040,2sleep0100734-21/usr/sbin/munin21:51:580
5253399193163,19cyclictest54393-21kworker/u2:319:50:040
5253399191162,18cyclictest97971-21kworker/u2:321:46:350
5253399191161,18cyclictest137144-21kworker/u2:300:10:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional