You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-27 - 15:19
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 rack6slot2.osadl.org (updated Thu Nov 27, 2025 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
327422570,0sleep00-21swapper/008:47:080
194982560,1sleep081ktimersoftd/008:02:160
16042450,3sleep0139699cyclictest12:28:040
11392449,8sleep10-21swapper/107:00:061
92224111,22sleep00-21swapper/006:57:560
1396993634,1cyclictest245950irq/16-enp2s0f007:08:590
1397993534,0cyclictest167950irq/16-i91507:08:591
1396993534,0cyclictest245950irq/16-enp2s0f011:12:170
1397993433,0cyclictest167950irq/16-i91511:49:431
1397993433,0cyclictest167950irq/16-i91510:54:011
1397993433,0cyclictest167950irq/16-i91508:52:571
1397993433,0cyclictest167950irq/16-i91508:30:531
1397993433,0cyclictest167950irq/16-i91507:02:161
1396993433,0cyclictest245950irq/16-enp2s0f008:52:570
1396993433,0cyclictest245950irq/16-enp2s0f008:37:060
1396993433,0cyclictest245950irq/16-enp2s0f008:30:530
1396993433,0cyclictest245950irq/16-enp2s0f007:02:160
1396993432,1cyclictest245950irq/16-enp2s0f012:07:190
1396993432,1cyclictest245950irq/16-enp2s0f011:58:290
1396993432,1cyclictest245950irq/16-enp2s0f011:42:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional