You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-07-15 - 15:31
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 20 highest latencies:
System rack2slot7.osadl.org (updated Tue Jul 15, 2025 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
102837499452,5cyclictest1228606-21ssh12:32:000
102837499412,37cyclictest1174748-21ssh11:31:550
1028376993929,7cyclictest351ktimers/212:17:012
102837499381,24cyclictest0-21swapper/012:42:000
102837699362,7cyclictest1100966-21awk09:56:592
1028375993630,4cyclictest1008-21mta-sts-daemon08:11:581
102837499352,5cyclictest1187228-21/usr/sbin/munin11:46:500
102837499351,27cyclictest1141498-21cat10:49:060
102837499351,17cyclictest0-21swapper/010:27:150
102837699337,6cyclictest171rcu_preempt09:21:532
1028374993323,9cyclictest1108116-21/usr/sbin/munin10:06:540
102837499331,31cyclictest1082145-21ntpq09:31:570
1028376993219,9cyclictest1125-21rtkit-daemon11:22:022
102837499321,29cyclictest1143263-21fschecks_time10:51:560
1028376993120,7cyclictest1174753-21fschecks_time11:31:552
102837499313,22cyclictest1220719-21ssh12:23:280
102837499311,19cyclictest0-21swapper/010:29:070
102837499303,18cyclictest1170083-21/usr/sbin/munin11:27:050
102837499302,18cyclictest1075946-21sendmail-msp09:24:180
1028375992915,13cyclictest0-21swapper/112:17:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional