You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-20 - 21:10
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 rackdslot2.osadl.org (updated Mon Apr 20, 2026 12:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591238172,22phc2sys0-21swapper/307:06:133
288302206172,23sleep00-21swapper/007:07:140
287332204169,23sleep20-21swapper/207:06:002
269112202168,22sleep10-21swapper/107:05:021
1624321350,2sleep10-21swapper/110:05:131
2934199595,19cyclictest24291-21/usr/sbin/munin08:05:221
5562580,4sleep1557-21tail09:30:241
2934199576,11cyclictest27460-21vmstat10:25:311
2934199576,11cyclictest24009-21cut12:35:171
2934199567,18cyclictest13215-21fschecks_time11:05:171
2934199566,11cyclictest5541-21ps09:40:231
2934199565,11cyclictest8927-21ps08:40:241
139291540,1ptp4l401ktimersoftd/311:26:043
139291540,1ptp4l401ktimersoftd/310:08:003
2934199524,19cyclictest21122-21sed08:00:151
29342995032,4cyclictest33-21ksoftirqd/207:57:592
2934199507,12cyclictest24914-21df_abs11:30:131
46382490,2sleep00-21swapper/009:40:140
2934199496,12cyclictest2303-21seq08:28:411
2934199495,12cyclictest23876-21/usr/sbin/munin10:20:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional