You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-02 - 15:24
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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackfslot4.osadl.org (updated Thu Jul 02, 2026 00:45:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2936223770,2sleep229361-21ssh00:20:102
2601823650,6sleep2121rcu_preempt23:04:412
2601823650,6sleep2121rcu_preempt23:04:402
1138023630,2sleep25522-21kworker/u8:1521:20:332
2683523360,2sleep126833-21ssh00:15:131
583923330,1sleep24746-21kworker/u8:523:30:112
363123300,1sleep12440-21kworker/u8:123:25:181
2226523270,2sleep20-21swapper/221:45:082
2650523200,2sleep10-21swapper/120:32:451
1423623180,2sleep20-21swapper/221:26:382
1423623180,2sleep20-21swapper/221:26:382
120323180,2sleep20-21swapper/219:15:292
3034923160,8sleep1121rcu_preempt19:05:281
280523150,2sleep10-21swapper/123:23:421
2016323130,2sleep10-21swapper/120:14:521
1579823130,1sleep214371-21kworker/u8:1121:30:272
159423110,1sleep225903-21kworker/u8:022:10:202
159423110,1sleep225903-21kworker/u8:022:10:202
1747123070,2sleep217448-21ssh22:45:192
133723050,1sleep2546-21kworker/u8:1220:55:222
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional