You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-21 - 02:32
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 rack1slot1.osadl.org (updated Tue Apr 21, 2026 00:45:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2525825080,5sleep20-21swapper/219:05:122
270452201161,26sleep30-21swapper/319:06:273
272652199161,24sleep00-21swapper/019:09:180
271892196158,25sleep10-21swapper/119:08:171
25972760,1sleep10-21swapper/122:09:591
139732600,0sleep10-21swapper/121:40:201
52222590,2sleep121-21ksoftirqd/119:30:001
239402550,0sleep30-21swapper/300:01:163
150712160,0sleep00-21swapper/023:07:220
2740499132,5cyclictest20651-21latency_hist21:10:000
27404991310,1cyclictest240-21systemd-journal00:25:010
27430991111,0cyclictest35-21ksoftirqd/321:45:203
27430991111,0cyclictest35-21ksoftirqd/300:20:003
27430991111,0cyclictest35-21ksoftirqd/300:19:593
27404991110,1cyclictest9-21ksoftirqd/022:30:010
27404991110,1cyclictest9-21ksoftirqd/022:30:010
27404991110,1cyclictest9-21ksoftirqd/021:15:000
2742299109,1cyclictest28-21ksoftirqd/222:21:352
2742299109,1cyclictest28-21ksoftirqd/220:24:592
27422991010,0cyclictest0-21swapper/221:50:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional