You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-02-23 - 21:59
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 20 highest latencies:
System rack5slot2.osadl.org (updated Fri Feb 23, 2024 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
685627254,17sleep10-21swapper/107:05:231
66722420,1sleep0782-21lldpd07:05:210
796523027,2sleep20-21swapper/207:06:442
60922130,0sleep2782-21lldpd10:30:212
21559290,0sleep10-21swapper/110:39:571
84069970,6cyclictest6955-21expr11:10:220
84069970,1cyclictest0-21swapper/009:12:520
84179960,1cyclictest759-21snmpd09:42:423
84179960,1cyclictest5752-21hddtemp_smartct09:10:243
84149961,5cyclictest782-21lldpd10:07:192
84069961,1cyclictest3-21ksoftirqd/010:04:120
84069961,1cyclictest3-21ksoftirqd/009:31:500
84069961,1cyclictest3-21ksoftirqd/009:21:490
84069961,1cyclictest0-21swapper/009:37:220
84069960,5cyclictest29796-21rm10:05:180
84069960,3cyclictest782-21lldpd08:35:000
84069960,3cyclictest4239-21munin-run09:10:010
84069960,1cyclictest7794-21strings12:10:260
84069960,1cyclictest759-21snmpd12:24:300
84069960,1cyclictest759-21snmpd10:55:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional