You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-12-02 - 10:41
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 rackeslot4.osadl.org (updated Tue Dec 02, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
173859199261,21cyclictest2044909-21apt-get23:35:143
173858899261,23cyclictest2001715-21cut23:00:192
173858199260,24cyclictest1994790-21idleruntime22:55:170
173858199260,20cyclictest1861087-21diskmemload22:02:100
173859199251,21cyclictest1861087-21diskmemload21:25:053
173859199251,20cyclictest1975896-21fw_forwarded_lo22:40:163
173858899252,3cyclictest1805295-21apt-get20:15:142
173858899251,5cyclictest1932122-21sed22:05:172
173858899250,23cyclictest1769414-21sed19:40:002
173858699251,20cyclictest0-21swapper/122:45:011
1738581992520,3cyclictest0-21swapper/021:30:230
1738591992420,2cyclictest2082710-21apt-get00:05:113
1738591992417,5cyclictest2039162-21tr23:30:183
1738591992417,5cyclictest1899860-21ssh21:40:143
173859199241,21cyclictest1861087-21diskmemload22:45:363
173859199241,21cyclictest1845815-21munin-run20:55:003
173859199241,20cyclictest0-21swapper/320:15:143
1738588992420,2cyclictest1937562-21apt-get22:10:112
1738588992420,2cyclictest1899890-21apt-get21:40:142
1738588992419,4cyclictest459603-21sshd22:35:142
1738588992419,4cyclictest1825647-21apt-get20:35:132
1738588992419,3cyclictest3471731-21systemd-journal21:40:012
1738588992419,3cyclictest1891341-21ntpq21:30:212
1738588992419,3cyclictest1825370-21cron20:35:002
173858899241,4cyclictest2026049-21/usr/sbin/munin23:20:162
173858899241,21cyclictest1912462-21apt-get21:50:132
173858899241,21cyclictest1861087-21diskmemload22:03:282
173858899241,20cyclictest2070039-21apt-get23:55:142
173858899240,3cyclictest1950926-21if_enp0s29f122:20:172
173858699242,20cyclictest1950480-21apt-get22:20:141
1738586992420,2cyclictest1975594-21apt-get22:40:121
1738586992419,2cyclictest2025639-21apt-get23:20:121
173858699241,20cyclictest0-21swapper/120:40:121
173858699240,21cyclictest1743909-21taskset19:15:131
173858699240,20cyclictest0-21swapper/119:20:131
173858199241,2cyclictest1861087-21diskmemload21:26:290
173858199241,2cyclictest0-21swapper/021:47:430
173858199241,21cyclictest683-21runrttasks19:10:260
173858199241,21cyclictest2063776-21apt-get23:50:120
173858199241,21cyclictest1835804-21apt-get20:45:140
173858199241,21cyclictest1820268-21cron20:29:590
173858199240,22cyclictest1779870-21taskset19:50:130
1738591992320,2cyclictest1861087-21diskmemload23:53:143
1738591992319,2cyclictest1966955-21needreboot22:30:203
1738591992319,2cyclictest1861087-21diskmemload23:04:393
1738591992319,2cyclictest1861087-21diskmemload21:58:283
1738591992318,3cyclictest1988619-21interrupts22:50:163
173859199231,2cyclictest1861087-21diskmemload00:20:403
173859199231,20cyclictest683-21runrttasks00:12:473
173859199230,21cyclictest2031620-21/usr/sbin/munin23:25:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional