You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-27 - 12:29
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 Jul 27, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81790rcu_preempt24449-21sh22:52:381
81780rcu_preempt0-21swapper/022:05:030
81760rcu_preempt23790-1kworker/1:0H23:00:501
81740rcu_preempt4107-21/usr/sbin/munin21:17:441
81730rcu_preempt29886-21sh23:02:351
81730rcu_preempt11911-21timerwakeupswit22:27:531
81720rcu_preempt0-21swapper/021:19:230
146250720irq/28-eth0-rx-41ktimersoftd/023:36:560
81710rcu_preempt0-21swapper/122:32:461
81710rcu_preempt0-21swapper/119:23:001
81710rcu_preempt0-21swapper/000:42:510
81710rcu_preempt0-21swapper/000:42:510
81710rcu_preempt0-21swapper/000:31:510
81700rcu_preempt8398-21rm21:23:320
81700rcu_preempt8390-21df_inode22:22:410
81700rcu_preempt4179-1kworker/0:0H00:05:110
81700rcu_preempt17428-21ssh00:37:501
81700rcu_preempt17131-21sh22:37:501
81700rcu_preempt0-21swapper/121:47:501
81700rcu_preempt0-21swapper/023:53:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional