You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-25 - 06:14
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 Tue Nov 25, 2025 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
609924716,23sleep00-21swapper/018:59:430
594824017,16sleep10-21swapper/118:58:101
6397993631,1cyclictest167950irq/16-i91500:11:280
6397993534,0cyclictest245950irq/16-enp2s0f022:20:550
6397993534,0cyclictest245950irq/16-enp2s0f020:08:110
6397993534,0cyclictest245950irq/16-enp2s0f019:52:260
6397993533,1cyclictest245950irq/16-enp2s0f023:42:190
6397993531,0cyclictest167950irq/16-i91523:52:200
6398993434,0cyclictest167950irq/16-i91519:55:561
6398993432,1cyclictest221ktimersoftd/122:35:311
6398993432,1cyclictest167950irq/16-i91520:22:211
6398993432,1cyclictest167950irq/16-i91519:31:291
6397993434,0cyclictest245950irq/16-enp2s0f020:00:170
6397993433,0cyclictest245950irq/16-enp2s0f023:00:540
6397993433,0cyclictest245950irq/16-enp2s0f021:51:050
6397993433,0cyclictest245950irq/16-enp2s0f021:37:560
6397993432,1cyclictest245950irq/16-enp2s0f023:47:200
6397993432,1cyclictest245950irq/16-enp2s0f023:07:200
6397993432,1cyclictest245950irq/16-enp2s0f021:27:220
6397993432,1cyclictest245950irq/16-enp2s0f019:38:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional