You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-04-24 - 16:04
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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackfslot4.osadl.org (updated Thu Apr 24, 2025 12:45:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3265821200,2chrt32656-21python307:11:260
1516021200,2chrt15161-21sh12:04:350
2300021190,4chrt20167-21sendmail-msp10:05:540
95721180,3chrt954-21ntpq08:16:010
3063421160,3chrt30631-21ld12:36:180
251421130,2chrt2515-21sleep08:20:220
719821120,2chrt6379-21/usr/sbin/munin07:26:340
2579821120,3chrt25800-21grep09:06:150
1955621090,3chrt19554-21ls07:50:010
1305421080,2sleep013052-21sed09:45:180
286121070,2chrt2858-21ld10:32:030
787021060,3chrt7871-21latency_hist09:35:030
57872870,2sleep05789-21cut08:26:360
4532840,1sleep0454-21latency_hist11:35:070
32612830,2sleep03262-21sshd09:25:150
220972830,1sleep022098-21ntpq10:03:580
167952820,2chrt43-21kswapd011:00:430
303642790,2sleep030362-21df10:21:140
176672790,2sleep017668-21basename09:55:320
3116590765,59cyclictest15421-21ps10:57:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional