You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-04-02 - 07:58
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.

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 10 highest latencies:
System rackcslot3.osadl.org (updated Wed Apr 02, 2025 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81930rcu_preempt14696-21memory00:17:550
151250930irq/30-eth0-tx-181ktimersoftd/122:52:301
151350730irq/31-eth0-tx-0-21swapper/121:53:391
81720rcu_preempt0-21swapper/021:32:470
81710rcu_preempt19973-21sh22:27:521
81700rcu_preempt0-21swapper/100:01:381
81690rcu_preempt892-21memory22:52:480
81690rcu_preempt5167-21sh22:59:451
81690rcu_preempt32696-21apt-get23:52:411
81690rcu_preempt12765-21sh21:16:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional