You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-02 - 11:40
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 rackdslot3.osadl.org (updated Sun Aug 02, 2026 00:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
118642204172,21sleep20-21swapper/219:06:362
119132203170,22sleep00-21swapper/019:07:060
119112202169,22sleep30-21swapper/319:07:063
118632202169,22sleep10-21swapper/119:06:361
3268421840,7sleep11242799cyclictest22:05:181
3035321390,5sleep31242999cyclictest22:00:193
12427997235,7cyclictest25-21ksoftirqd/120:59:591
12427996433,4cyclictest25-21ksoftirqd/121:05:141
12427996419,10cyclictest25-21ksoftirqd/122:35:011
12427996419,10cyclictest25-21ksoftirqd/122:35:001
12426996331,6cyclictest9-21ksoftirqd/022:45:010
12427996019,4cyclictest25-21ksoftirqd/121:15:191
12427995924,9cyclictest25-21ksoftirqd/120:45:271
12428995615,3cyclictest33-21ksoftirqd/219:10:242
12427995624,9cyclictest25-21ksoftirqd/120:40:001
12427995622,11cyclictest25-21ksoftirqd/120:54:591
12427995519,10cyclictest25-21ksoftirqd/100:00:201
12427995516,7cyclictest25-21ksoftirqd/119:25:171
12426995528,4cyclictest9-21ksoftirqd/020:30:010
12427995423,10cyclictest25-21ksoftirqd/119:30:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional