You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-23 - 18:39
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 50 highest latencies:
System rackbslot2.osadl.org (updated Sun Nov 23, 2025 12:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16693342226197,19sleep10-21swapper/107:07:111
16693062226196,19sleep00-21swapper/007:06:490
16692892225195,20sleep30-21swapper/307:06:363
16695002223193,20sleep20-21swapper/207:09:212
1669746996561,3cyclictest1752308-21chrome08:45:003
1669736996560,3cyclictest47022-21systemd-journal11:45:010
1669743996460,3cyclictest1700824-21chrome07:45:012
166974199530,52cyclictest1804208-21/usr/share/muni09:45:021
1669736995239,7cyclictest1788818-21apt-get09:25:150
18564302500,1sleep31856274-13chrome10:45:013
1669736995044,5cyclictest1860046-21python310:45:260
1669743994743,3cyclictest1921631-21kworker/u8:3+flush-179:012:05:142
1669741994540,4cyclictest1812632-21latency_hist09:55:021
1669741994540,3cyclictest1856365-21chrome10:45:021
1669746994430,13cyclictest1739091-21kworker/u8:1+flush-179:008:30:163
1669743994441,2cyclictest1702106-21kworker/u8:4+events_unbound08:20:002
1669736994440,3cyclictest1783961-21kworker/u8:1+flush-179:009:30:110
1669746994332,10cyclictest1656398-1kworker/3:2H+kblockd08:44:313
166974699431,28cyclictest1940919-21apt-get12:20:153
1669741994340,2cyclictest1739091-21kworker/u8:1+events_unbound08:35:131
1669741994338,3cyclictest1908806-13chrome11:45:011
1669743994237,4cyclictest1687952-21/usr/share/muni07:30:052
1669743994237,4cyclictest1687952-21/usr/share/muni07:30:052
1669746994138,2cyclictest1683290-21kworker/u8:2+flush-179:007:55:063
1669746994135,4cyclictest1816894-21latency_hist10:00:003
1669741994133,6cyclictest1895883-21/usr/share/muni11:30:021
1669736994134,3cyclictest1310727-1kworker/0:0H+kblockd10:25:040
1669746994036,3cyclictest1750663-21kworker/u8:3+events_unbound08:50:153
1669746994036,3cyclictest1733004-21apt-get08:20:143
1669746994036,3cyclictest1733004-21apt-get08:20:143
1669743994037,2cyclictest1838548-21kworker/2:0+pm12:10:132
1669743994037,2cyclictest1764687-21kworker/u8:2+events_unbound09:15:142
1669741994036,3cyclictest1834035-21munin-update10:20:271
1669736994035,4cyclictest1689621-21apt-get07:30:120
1669736994035,4cyclictest1689621-21apt-get07:30:120
1669743993937,1cyclictest1936799-21kworker/2:2+pm12:31:202
1669743993937,1cyclictest1936799-21kworker/2:2+pm12:31:202
1669743993937,1cyclictest1838548-21kworker/2:0+pm10:55:462
1669743993937,1cyclictest1691566-21kworker/2:2+pm10:10:522
1669743993937,1cyclictest1691566-21kworker/2:2+pm10:00:592
1669743993937,1cyclictest1691566-21kworker/2:2+pm09:40:592
1669743993937,1cyclictest1691566-21kworker/2:2+pm09:20:112
1669743993937,1cyclictest1691566-21kworker/2:2+pm09:01:012
1669743993936,2cyclictest1794946-21kworker/u8:0+flush-179:009:45:162
1669743993936,2cyclictest1691566-21kworker/2:2+pm10:05:042
1669743993936,2cyclictest1691566-21kworker/2:2+pm08:45:122
1669743993936,2cyclictest1691566-21kworker/2:2+pm08:00:132
1669743993933,5cyclictest1732032-21apt-get08:20:082
1669743993933,5cyclictest1732032-21apt-get08:20:082
1669741993931,6cyclictest1700835-21/usr/share/muni07:45:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional