You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-26 - 05:48
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.
Unexpectedly long latencies may be caused by SMIs
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 rackfslot7.osadl.org (updated Fri Jun 26, 2026 00:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1535116997214,39cyclictest1543416-21taskset19:24:314
1535116997012,39cyclictest1671418-21latency_hist23:15:024
1535116996830,38cyclictest0-21swapper/420:30:114
1535116996828,39cyclictest0-21swapper/400:36:554
153511699679,19cyclictest0-21swapper/423:26:054
1535116996526,39cyclictest1699219-21apt00:05:134
1535115996325,38cyclictest0-21swapper/319:20:173
1535116996121,39cyclictest0-21swapper/419:50:374
1535116995919,19cyclictest875-21mta-sts-daemon22:14:494
1535116995820,38cyclictest0-21swapper/421:00:274
1535116995819,19cyclictest0-21swapper/423:22:214
1535116995818,19cyclictest873-21mta-sts-daemon23:38:544
1535116995818,19cyclictest0-21swapper/423:18:254
1535116995718,19cyclictest871-21mta-sts-daemon19:57:134
1535116995618,20cyclictest1639630-21lpstat22:15:194
1535116995537,18cyclictest1078-21lldpd23:59:314
1535116995514,20cyclictest0-21swapper/419:31:454
1535116995513,40cyclictest0-21swapper/420:47:534
153511699550,55cyclictest1642751-21ps22:20:234
1535113995536,19cyclictest877-21mta-sts-daemon20:55:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional