You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-07-19 - 06:34
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 rack7slot8.osadl.org (updated Sat Jul 19, 2025 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11248218831,124sleep00-21swapper/019:07:530
115649913666,52cyclictest1336-21runrttasks22:10:200
115649913470,46cyclictest6076-21latency_hist20:55:030
115649913164,26cyclictest1424-21nginx00:29:020
115649912941,35cyclictest16744-21users21:35:490
115649912755,36cyclictest23539-21apt-get22:02:130
115649912669,37cyclictest25488-21users20:00:480
115649912549,37cyclictest22373-21ntp_states00:06:240
115649912144,55cyclictest9607-21/usr/sbin/munin23:15:480
115649912045,32cyclictest1801-21node22:18:170
115649911948,50cyclictest17843-21cut23:50:170
115649911947,29cyclictest9436-21sshd21:07:090
115649911944,37cyclictest24189-21systemctl00:11:420
115649911850,48cyclictest27748-21/usr/sbin/munin22:20:130
115649911848,51cyclictest19634-21wget19:40:130
115649911752,45cyclictest5560-21if_err_eth023:00:310
115649911747,36cyclictest1356-21snmpd00:02:040
115649911745,20cyclictest27561-21df20:10:210
115649911674,33cyclictest12903-21seq23:30:200
115649911652,50cyclictest10250irq/56-4a10000021:50:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional