You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2022-07-01 - 00:49

x86 Intel Atom x6425RE @1900 MHz, Linux 5.17.0-rt15 (Profile)

Latency plot of system in rack #e, slot #3
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q done
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 10 highest latencies:
System rackeslot3.osadl.org (updated Wed Jun 29, 2022 12:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
349791099262,3cyclictest3739715-21apt-get12:20:382
349791099262,20cyclictest3729707-21apt-get12:10:382
349791099261,22cyclictest3734514-21apt-get12:15:402
349791099261,22cyclictest3673747-21apt-get11:00:382
3497910992521,3cyclictest3639639-21kworker/u8:110:30:472
349791099251,21cyclictest3512098-21apt-get07:55:392
349791099251,21cyclictest3507360-21apt-get07:51:092
349791599242,2cyclictest3547936-21apt-get08:45:383
349791099241,3cyclictest3587331-21apt-get09:30:372
349791099241,2cyclictest0-21swapper/212:05:392
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional