You are here: Home / Projects / QA Farm Realtime / Latency plots / 
2021-06-17 - 19:13

Intel(R) Xeon(R) CPU E31220L @ 2.20GHz, Linux 3.18.43-rt46-fulldebug (Profile)

Latency plot of system in rack #b, slot #0
Note that this system runs a non-optimized debug kernel.
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Characteristics of the 20 highest latencies:
System rackbslot0.osadl.org (updated Thu Jun 10, 2021 12:43:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
772726548,11sleep20-21swapper/215:40:512
757726247,10sleep00-21swapper/015:39:120
242799600,5rtkit-daemon7312-21sshd19:53:271
768625943,11sleep30-21swapper/315:40:283
758325935,11sleep10-21swapper/115:39:171
242799550,3rtkit-daemon2426-21rtkit-daemon17:04:382
242799550,3rtkit-daemon2426-21rtkit-daemon16:49:262
242799550,3rtkit-daemon2426-21rtkit-daemon16:35:362
242799540,3rtkit-daemon2426-21rtkit-daemon17:18:282
242799540,3rtkit-daemon2426-21rtkit-daemon16:18:242
242799540,3rtkit-daemon2426-21rtkit-daemon16:09:142
242799540,3rtkit-daemon2426-21rtkit-daemon15:54:452
242799540,3rtkit-daemon2426-21rtkit-daemon15:45:332
803799534,37cyclictest18479-21sshd18:29:432
242799530,2rtkit-daemon2426-21rtkit-daemon19:38:363
242799530,2rtkit-daemon2426-21rtkit-daemon19:38:363
134382510,2sleep213440-21modprobe17:58:382
242799500,2rtkit-daemon2426-21rtkit-daemon19:46:051
242799500,18rtkit-daemon2426-21rtkit-daemon18:28:321
801899486,39cyclictest16650-21sshd21:09:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional