You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-06 - 05:09
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 rack7slot2.osadl.org (updated Thu Aug 06, 2026 00:44:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
166768599114104,6cyclictest1676684-21kworker/u4:2+events_unbound20:05:141
16676859910195,4cyclictest1793720-21kworker/u4:1+events_unbound23:05:511
1667684999712,82cyclictest0-21swapper/019:09:590
1667685999549,4cyclictest0-21swapper/122:20:161
1667685998880,6cyclictest1732443-21kworker/u4:4+events_unbound21:50:351
1667684998229,36cyclictest0-21swapper/022:55:350
1667685998172,7cyclictest1668909-21kworker/u4:5+events_unbound20:45:221
1667685998170,7cyclictest1680497-21kworker/u4:20+events_unbound20:15:181
166768499781,48cyclictest1744083-21ntpq22:00:360
1667684997726,38cyclictest0-21swapper/000:25:230
1667685997670,4cyclictest1736925-21kworker/u4:5+events_unbound22:00:381
1667685997667,6cyclictest1868003-21kworker/u4:0+events_unbound00:23:401
1667685997667,6cyclictest1868003-21kworker/u4:0+events_unbound00:23:401
166768499752,56cyclictest1818211-21ssh23:25:180
1667684997521,30cyclictest25650irq/23-42890000.ethernet23:15:310
166768499742,51cyclictest1865862-21apt-get00:20:150
166768499742,51cyclictest1865862-21apt-get00:20:140
1667685997365,6cyclictest1763138-21kworker/u4:9+events_unbound22:50:481
1667684997360,9cyclictest1844296-21basename23:55:190
1667684997340,31cyclictest1748602-21mailstats22:05:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional