You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-05-03 - 01:25
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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack8slot7.osadl.org (updated Fri May 02, 2025 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19450992020,0cyclictest329-21hwrng12:05:070
19460991918,1cyclictest60250irq/125-lan12:05:152
19460991918,1cyclictest60250irq/125-lan11:46:142
19460991918,1cyclictest60250irq/125-lan10:25:132
19460991918,1cyclictest60250irq/125-lan10:00:332
19460991818,0cyclictest60250irq/125-lan11:39:032
19460991818,0cyclictest60250irq/125-lan11:32:222
19460991818,0cyclictest60250irq/125-lan10:36:182
19460991818,0cyclictest60250irq/125-lan08:40:172
19460991817,1cyclictest60250irq/125-lan12:21:222
19460991817,1cyclictest60250irq/125-lan12:18:122
19460991817,1cyclictest60250irq/125-lan12:03:312
19460991817,1cyclictest60250irq/125-lan11:55:222
19460991817,1cyclictest60250irq/125-lan11:21:542
19460991817,1cyclictest60250irq/125-lan11:18:282
19460991817,1cyclictest60250irq/125-lan10:53:042
19460991817,1cyclictest60250irq/125-lan10:21:542
19460991817,1cyclictest60250irq/125-lan09:56:072
19460991817,1cyclictest60250irq/125-lan09:53:572
19460991817,1cyclictest60250irq/125-lan09:15:472
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional