You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-08 - 05:03
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 20 highest latencies:
System rackcslot3.osadl.org (updated Mon Dec 08, 2025 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81780rcu_preempt30759-21timerwakeupswit21:10:091
81750rcu_preempt5136-21rm00:27:121
81750rcu_preempt0-21swapper/119:05:071
81720rcu_preempt4077-21grep19:25:111
81720rcu_preempt17217-21fgrep21:45:071
81720rcu_preempt0-21swapper/123:05:531
81710rcu_preempt19249-21df_inode21:49:571
81710rcu_preempt0-21swapper/123:57:451
81690rcu_preempt3291-21diskmemload21:20:000
81690rcu_preempt31363-21ssh21:11:530
81690rcu_preempt19-21ksoftirqd/123:04:351
81690rcu_preempt16275-21ssh23:45:550
81690rcu_preempt10860-21sh00:38:470
81690rcu_preempt0-21swapper/119:35:031
81690rcu_preempt0-21swapper/023:39:180
81690rcu_preempt0-21swapper/000:13:320
89650680irq/17-ehci_hcd6819-21ntp_states00:30:040
81680rcu_preempt0-21swapper/122:09:401
81680rcu_preempt0-21swapper/022:58:270
81680rcu_preempt0-21swapper/022:58:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional