You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-06-02 - 11:01
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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack8slot4.osadl.org (updated Sun Jun 02, 2024 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14351102226172,17sleep10-21swapper/119:09:021
14349082223161,20sleep60-21swapper/619:06:096
14350662222161,20sleep40-21swapper/419:08:254
14349092217187,19sleep70-21swapper/719:06:117
14350442216189,17sleep00-21swapper/019:08:030
14349252213184,19sleep50-21swapper/519:06:255
14349052213181,21sleep30-21swapper/319:06:073
14348772204175,18sleep20-21swapper/219:05:412
1435528993729,7cyclictest1-21systemd19:40:026
1435528993227,4cyclictest1515752-21apt-get21:35:156
143553299310,30cyclictest1576296-21latency_hist23:25:007
143552399310,30cyclictest686-21rs:main5
143551399310,29cyclictest1593175-21sh23:55:013
1435493993128,2cyclictest1512286-21sh21:30:010
143553299300,29cyclictest0-21swapper/721:15:007
1435528993023,1cyclictest1535153-21apt-get22:10:186
143552399300,2cyclictest1526415-21munin-run21:55:005
143552399300,29cyclictest1604996-21apt-get00:15:175
143551899300,29cyclictest1447386-21apt-get19:30:024
143551899300,29cyclictest0-21swapper/400:30:024
1435513993028,1cyclictest1444560-21sh19:25:003
1435513993028,1cyclictest0-21swapper/322:35:193
143551399300,29cyclictest1438290-21cron19:15:013
1435508993028,1cyclictest0-21swapper/219:15:012
143550899300,2cyclictest1615644-21sh00:35:022
143550899300,29cyclictest1479401-21apt-get20:30:192
1435498993028,1cyclictest1554123-21sh22:45:011
143549899300,2cyclictest1601800-21dump-pmu-power00:10:021
143549899300,29cyclictest0-21swapper/122:30:011
1435532992927,1cyclictest1593608-21apt-get23:55:167
143553299290,28cyclictest0-21swapper/720:50:177
143553299290,28cyclictest0-21swapper/720:25:197
143553299290,1cyclictest1549009-21apt-get22:35:187
1435528992927,2cyclictest0-21swapper/623:30:146
1435528992925,3cyclictest1501186-21sh21:10:016
143552899290,28cyclictest0-21swapper/619:25:156
143552399290,28cyclictest1439444-21apt-get19:15:185
143552399290,28cyclictest0-21swapper/523:35:185
143552399290,28cyclictest0-21swapper/520:35:145
1435518992927,1cyclictest1476201-21latency_hist20:25:014
1435518992926,2cyclictest1492882-21munin-run20:55:014
143551899290,28cyclictest1546238-21apt-get22:30:164
143551899290,28cyclictest0-21swapper/421:35:024
1435513992929,0cyclictest0-21swapper/321:55:183
1435513992927,1cyclictest3986377-21systemd-journal22:35:013
1435513992927,1cyclictest0-21swapper/300:05:183
143551399290,28cyclictest0-21swapper/323:20:163
143551399290,28cyclictest0-21swapper/323:15:153
143551399290,28cyclictest0-21swapper/322:40:193
143551399290,0cyclictest0-21swapper/322:15:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional