You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-12-02 - 12:52
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: 50 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 rack3slot2.osadl.org (updated Tue Dec 02, 2025 00:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
60719723160,4chrt607192-21munin-run22:55:010
64121622710,3chrt641218-21wc00:35:090
56672022520,2sleep0566721-21cat20:51:230
54387122460,2sleep0543873-21awk19:30:320
58243022440,3chrt366-21snmpd21:41:480
63785922430,4chrt637861-21latency_hist00:25:100
57329822430,4chrt573297-21grep21:15:160
63849922420,3chrt638498-21ld00:26:350
59235122350,4chrt592348-21ntpq22:10:430
62760422300,3chrt627602-21ssh23:54:460
60481922300,3sleep0604822-21awk22:47:000
58071622260,4chrt580717-21ld21:36:500
62107422090,2sleep0621075-21df23:35:190
61658922050,2sleep0616585-21ps23:21:540
58606522000,3sleep0586067-21cat21:52:020
53784899194162,20cyclictest548065-21kworker/u2:220:00:050
53784899188156,20cyclictest544205-21kworker/u2:019:40:050
53784899186156,19cyclictest624036-21kworker/u2:223:50:040
53784899185154,19cyclictest583337-21kworker/u2:222:55:290
53784899183155,20cyclictest632242-21kworker/u2:300:20:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional