You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-04-02 - 04:26
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
Characteristics of the 20 highest latencies:
System rackdslot4.osadl.org (updated Wed Apr 02, 2025 00:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134791230167,51phc2sys0-21swapper/319:07:343
182562202168,23sleep00-21swapper/019:09:120
182272201168,22sleep10-21swapper/119:08:491
180582201167,22sleep20-21swapper/219:06:372
1831928868,11sleep00-21swapper/019:10:010
18612996332,7cyclictest25-21ksoftirqd/121:05:011
301212590,8sleep11861299cyclictest20:45:171
18612995929,8cyclictest25-21ksoftirqd/100:10:181
247602570,7sleep01861199cyclictest23:05:000
18612995727,10cyclictest25-21ksoftirqd/123:10:121
18612995722,7cyclictest25-21ksoftirqd/119:30:171
18612995616,8cyclictest25-21ksoftirqd/119:50:221
134991560,1ptp4l401ktimersoftd/300:13:163
18612995526,7cyclictest25-21ksoftirqd/100:15:211
18612995526,4cyclictest25-21ksoftirqd/120:38:021
18612995520,4cyclictest25-21ksoftirqd/120:55:181
18612995519,4cyclictest25-21ksoftirqd/123:55:221
18612995427,8cyclictest25-21ksoftirqd/123:35:181
18612995426,7cyclictest25-21ksoftirqd/119:24:591
18612995423,3cyclictest25-21ksoftirqd/122:55:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional