You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-09-17 - 21:26
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 50 highest latencies:
System rack5slot2.osadl.org (updated Wed Sep 17, 2025 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
212772202186,11sleep10-21swapper/107:08:041
214062184167,12sleep20-21swapper/207:09:412
213752183166,12sleep30-21swapper/307:09:193
211372180162,13sleep00-21swapper/007:06:140
276082780,0sleep30-21swapper/311:40:133
197042500,0sleep00-21swapper/012:25:090
271462460,0sleep10-21swapper/110:19:041
175582450,0sleep20-21swapper/209:57:552
55102110,0sleep10-21swapper/110:56:111
215979980,4cyclictest27507-21munin-run09:15:010
216099970,6cyclictest0-21swapper/312:35:133
215979970,4cyclictest23872-21munin-run10:50:010
216099960,5cyclictest0-21swapper/309:05:153
216019961,3cyclictest0-21swapper/111:20:121
215979960,0cyclictest0-21swapper/008:05:010
6741250,0sleep30-21swapper/312:18:243
216099955,0cyclictest24148-21kworker/3:112:02:073
216099955,0cyclictest24148-21kworker/3:111:39:443
216099955,0cyclictest24148-21kworker/3:111:06:073
216099955,0cyclictest24148-21kworker/3:110:10:073
216099955,0cyclictest24148-21kworker/3:109:14:093
216099955,0cyclictest24148-21kworker/3:107:33:243
216099955,0cyclictest0-21swapper/310:31:353
216099950,5cyclictest0-21swapper/312:09:143
216099950,5cyclictest0-21swapper/311:49:523
216099950,5cyclictest0-21swapper/311:17:163
216099950,4cyclictest24160-21munin-node07:15:003
216069955,0cyclictest17230-21diskmemload12:04:062
216069950,5cyclictest0-21swapper/210:35:212
216069950,5cyclictest0-21swapper/210:02:202
216069950,5cyclictest0-21swapper/209:15:192
216069950,5cyclictest0-21swapper/208:05:002
216069950,0cyclictest0-21swapper/209:44:422
216019952,2cyclictest0-21swapper/109:45:131
216019952,2cyclictest0-21swapper/107:10:121
216019951,3cyclictest0-21swapper/110:45:121
216019951,3cyclictest0-21swapper/108:20:131
216019951,3cyclictest0-21swapper/107:20:121
216019951,2cyclictest0-21swapper/112:15:111
216019951,2cyclictest0-21swapper/112:05:131
216019951,2cyclictest0-21swapper/112:00:121
216019951,2cyclictest0-21swapper/111:40:121
216019951,2cyclictest0-21swapper/110:35:151
216019951,2cyclictest0-21swapper/109:55:121
216019951,2cyclictest0-21swapper/107:15:121
216019950,5cyclictest0-21swapper/111:06:081
216019950,5cyclictest0-21swapper/110:27:441
216019950,5cyclictest0-21swapper/109:34:021
216019950,5cyclictest0-21swapper/108:53:341
216019950,3cyclictest0-21swapper/109:05:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional