You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-03-02 - 00:11
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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack7slot8 (updated Fri Mar 01, 2024 13:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10858215180,12sleep010857-21apt07:05:240
122119915476,36cyclictest25012-21nodejs07:56:090
122119914394,39cyclictest1370-21snmpd10:33:150
122119914372,28cyclictest3404-21nodejs10:36:010
122119913983,44cyclictest6415-21df08:46:040
122119913785,39cyclictest11982-21nodejs09:06:510
122119913776,21cyclictest10300-21nodejs09:00:290
122119913687,37cyclictest1827-21/usr/sbin/munin08:30:230
122119913587,37cyclictest5916-21apt-get10:45:020
122119913587,37cyclictest19993-21df11:35:390
122119913584,39cyclictest16667-21nodejs11:24:390
122119913485,35cyclictest30364-21nodejs08:15:540
122119913483,37cyclictest9430-21nodejs08:57:090
122119913283,38cyclictest22848-21runrttasks09:47:030
122119913280,40cyclictest21568-21ntpd08:02:280
122119913273,20cyclictest20909-21nodejs11:40:190
122119913180,41cyclictest13383-21ntp_states11:11:310
122119913178,39cyclictest32245-21nodejs12:29:470
122119913083,35cyclictest18552-21memory09:31:170
122119913081,37cyclictest17693-21nodejs09:27:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional