You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2023-12-09 - 09:25
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 10 highest latencies:
System rack3slot6 (updated Sat Dec 09, 2023 00:44:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
531821200,4chrt5314-21ps22:25:380
1142321120,4chrt11417-21if_enp2s019:45:280
1939821070,4chrt19400-21awk21:35:340
1656721060,4chrt16565-21cut20:00:250
281752915,40sleep028179-21apt-get19:05:200
66172860,4chrt6599-21timerwakeupswit21:00:410
240102850,4chrt24008-21diskstats20:20:270
15712850,4chrt1569-21memory23:45:340
26092830,4chrt2610-21plymouth22:20:010
162742660,4sleep016276-21sendmail20:00:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional