You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-17 - 19:40
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 rackdslot4.osadl.org (updated Tue Mar 17, 2026 12:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
236832203170,22sleep30-21swapper/307:09:243
235182200167,22sleep10-21swapper/107:07:211
236902199166,22sleep00-21swapper/007:09:290
235762198166,21sleep20-21swapper/207:08:062
2904321660,2sleep20-21swapper/207:20:132
2515021430,6sleep22402699cyclictest09:20:242
25092660,4sleep3391rcuc/310:45:213
138491660,1ptp4l32553-21grep11:45:233
24025996110,16cyclictest11886-21hddtemp_smartct10:00:141
24025996010,11cyclictest5420-21/usr/sbin/munin11:55:271
2402599598,11cyclictest20189-21fgrep09:10:231
2402599597,18cyclictest21822-21/usr/sbin/munin10:20:121
138491590,1ptp4l401ktimersoftd/311:55:253
2402599589,12cyclictest20791-21taskset10:16:141
2402599587,11cyclictest9388-21fschecks_count08:50:131
2402599586,17cyclictest26156-21apt-get09:25:111
2402599585,18cyclictest30174-21sensors11:40:251
24025995810,10cyclictest6839-21/usr/sbin/munin07:40:131
2402599578,10cyclictest5903-21/usr/sbin/munin07:35:261
2402499574,6cyclictest5611-21ps07:35:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional