You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-24 - 14:04
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 rackcslot2.osadl.org (updated Fri Apr 24, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
196642750,1sleep10-21swapper/121:25:211
2397727158,8sleep10-21swapper/119:06:061
2251027058,8sleep00-21swapper/019:04:100
130762680,0sleep10-21swapper/121:17:301
24445993210,21cyclictest0-21swapper/022:56:350
24445993131,0cyclictest0-21swapper/022:25:490
24446993028,1cyclictest0-21swapper/123:08:001
24445992718,5cyclictest432-21apache223:24:170
2444599270,0cyclictest0-21swapper/021:05:110
2444699269,16cyclictest15777-21kworker/u4:222:24:361
2444699267,17cyclictest0-21swapper/100:37:241
24446992621,3cyclictest460-21apache223:37:191
24446992619,4cyclictest24443-21cyclictest23:54:051
2444699260,25cyclictest0-21swapper/122:30:461
2444699260,1cyclictest0-21swapper/122:49:001
24445992610,10cyclictest0-21swapper/020:29:250
24446992523,1cyclictest0-21swapper/100:28:101
24446992520,3cyclictest460-21apache221:20:001
24446992515,5cyclictest460-21apache223:23:061
24446992510,8cyclictest0-21swapper/121:30:531
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional