You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-16 - 21:16
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 Sun Nov 16, 2025 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1972991918,1cyclictest60250irq/125-lan07:30:462
1972991818,0cyclictest60250irq/125-lan07:50:152
1972991817,1cyclictest60250irq/125-lan11:55:182
1972991817,1cyclictest60250irq/125-lan11:55:002
1972991817,1cyclictest60250irq/125-lan11:05:142
1972991817,1cyclictest60250irq/125-lan10:50:152
1972991817,1cyclictest60250irq/125-lan10:25:012
1972991817,1cyclictest60250irq/125-lan08:50:132
1972991817,1cyclictest60250irq/125-lan07:56:002
1969991818,0cyclictest702-21snmpd08:28:461
1972991717,0cyclictest60250irq/125-lan12:30:172
1972991717,0cyclictest60250irq/125-lan10:10:222
1972991717,0cyclictest60250irq/125-lan10:10:222
1972991717,0cyclictest60250irq/125-lan09:02:482
1972991716,1cyclictest60250irq/125-lan12:35:212
1972991716,1cyclictest60250irq/125-lan12:15:222
1972991716,1cyclictest60250irq/125-lan10:35:142
1972991716,1cyclictest60250irq/125-lan10:30:192
1972991716,1cyclictest60250irq/125-lan09:29:482
1972991616,0cyclictest60250irq/125-lan09:05:202
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional