You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-01 - 07:15
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 May 01, 2026 00:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74287299846,59cyclictest855341-21chrt22:30:334
742872997839,20cyclictest887962-21ntpq23:30:214
742872997618,39cyclictest776-21dbus-daemon22:10:014
742872997113,39cyclictest914931-21aten2.4_rfpower00:25:154
742872997032,38cyclictest0-21swapper/423:48:074
742872997012,39cyclictest878468-21kworker/u32:2+events_unbound23:18:434
742872996931,19cyclictest913411-21ntpq00:20:194
742872996829,19cyclictest0-21swapper/422:26:144
742872996728,19cyclictest0-21swapper/419:18:454
74287299669,38cyclictest792851-21kworker/u32:0+events_unbound22:49:194
74287299669,38cyclictest792851-21kworker/u32:0+events_unbound22:49:194
74287299668,39cyclictest753657-21taskset19:29:594
742872996628,38cyclictest0-21swapper/423:37:154
74287299647,18cyclictest759544-21cat19:40:014
742872996425,19cyclictest0-21swapper/400:07:594
74287299635,39cyclictest833509-21chrt21:50:294
742872996224,19cyclictest788663-21ntpq20:30:224
74287299600,21cyclictest815828-21if_err_enxbe3af21:20:174
74287299590,20cyclictest802833-21unixbench-2d20:55:234
74287099590,19cyclictest0-21swapper/222:05:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional