You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-10-28 - 20:05
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 rack4slot1.osadl.org (updated Tue Oct 28, 2025 12:44:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138521570,3sleep30-21swapper/309:00:313
1124321140,2sleep30-21swapper/310:41:423
1124321140,2sleep30-21swapper/310:41:423
842721080,3sleep30-21swapper/310:38:493
842721080,3sleep30-21swapper/310:38:493
2025621000,4sleep20-21swapper/210:54:352
49762970,3sleep10-21swapper/112:37:181
163032970,2sleep30-21swapper/311:30:373
269302870,3sleep026982-21ntpq07:10:380
269302870,3sleep026982-21ntpq07:10:380
268432770,3sleep20-21swapper/207:10:352
268432770,3sleep20-21swapper/207:10:352
180982750,3sleep10-21swapper/112:15:401
180982750,3sleep10-21swapper/112:15:401
141442720,3sleep30-21swapper/309:21:083
141442720,3sleep30-21swapper/309:21:083
211512710,2sleep121153-21192.168.115.40-08:25:331
211512710,2sleep121153-21192.168.115.40-08:25:331
2759199701,8cyclictest131rcu_preempt09:00:282
214772640,3chrt0-21swapper/112:20:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional