You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-09-17 - 19:40
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 Wed Sep 17, 2025 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
310140699303268,23cyclictest3110333-21ntpq07:40:560
313398923000,3sleep03133990-21/usr/sbin/munin09:05:340
316127822930,3sleep03161281-21wc10:26:530
315070622900,4chrt3150701-21ssh09:56:010
318756322500,4chrt3187559-21ssh11:45:570
316986522470,2sleep03169868-21sed10:51:580
319473122450,3sleep03194732-21who12:06:590
311311422450,3chrt3113111-21ntpq07:50:330
319129322430,3chrt3191295-21cat11:56:520
316705622390,3chrt3167055-21ssh10:44:470
315545922280,2sleep03155457-21ssh10:10:220
310140699225194,18cyclictest3134972-21kworker/u2:009:31:340
310919622170,2sleep03109199-21grep07:36:180
316458922050,2sleep03164591-21grep10:36:540
316264622050,2sleep03162647-21sh10:31:120
318706322010,2sleep03187065-21sort11:45:080
319273021980,2sleep03192731-21ld12:01:320
310140699196166,19cyclictest3125598-21kworker/u2:108:40:040
310140699195164,19cyclictest3145033-21kworker/u2:210:00:540
310140699193162,19cyclictest3148045-21kworker/u2:109:55:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional