You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-29 - 20:12
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
Characteristics of the 20 highest latencies:
System rackdslot0.osadl.org (updated Sun Mar 29, 2026 12:45:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
338499254,6cyclictest14779-21apache208:25:012
338499214,11cyclictest23288-21munin-run07:45:012
338399215,9cyclictest0-21swapper/107:20:131
338299212,18cyclictest0-21swapper/011:16:150
338499202,15cyclictest0-21swapper/209:30:132
3383992018,1cyclictest0-21swapper/110:30:121
338299203,9cyclictest8743-21python311:05:010
338499193,1cyclictest22473-21http_loadtime12:25:172
338499193,1cyclictest22473-21http_loadtime12:25:162
338399197,11cyclictest0-21swapper/108:10:141
338399190,18cyclictest0-21swapper/112:14:061
338299194,1cyclictest0-21swapper/012:20:120
338299190,4cyclictest14701-21logrotate08:25:010
338299190,18cyclictest30279-21nfsd411:40:190
338499182,15cyclictest0-21swapper/210:21:302
3384991816,1cyclictest0-21swapper/208:55:052
3384991815,2cyclictest9709-21expr07:20:142
338499181,2cyclictest21853-21grep11:25:192
3383991814,3cyclictest32142-21cron08:04:551
338399180,3cyclictest3256-21apache208:25:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional