You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-28 - 00:51
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 rackcslot4.osadl.org (updated Thu Nov 27, 2025 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
164107423610,13sleep0141rcu_preempt07:05:380
16420422262183,29sleep10-21swapper/107:06:521
17338982640,4sleep01733901-21ntp_offset10:05:220
16996302590,5sleep00-21swapper/009:20:200
16519862580,4sleep00-21swapper/007:30:190
18050662560,12sleep013-21ksoftirqd/011:40:180
125899550,3rtkit-daemon1257-21rtkit-daemon09:15:460
125899540,4rtkit-daemon1257-21rtkit-daemon11:41:001
1642519995319,6cyclictest13-21ksoftirqd/010:00:000
1642519995317,6cyclictest13-21ksoftirqd/009:00:000
17999882460,4sleep10-21swapper/111:33:351
125899460,3rtkit-daemon0-21swapper/110:04:580
1642519994413,5cyclictest13-21ksoftirqd/011:20:000
125899440,3rtkit-daemon0-21swapper/009:27:220
125899430,3rtkit-daemon0-21swapper/010:47:220
125899420,4rtkit-daemon1257-21rtkit-daemon10:28:190
125899420,3rtkit-daemon0-21swapper/010:42:440
1642519994118,6cyclictest13-21ksoftirqd/011:55:010
1642519994114,5cyclictest13-21ksoftirqd/010:15:010
1642519994113,6cyclictest13-21ksoftirqd/012:25:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional