You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-07-16 - 08:15
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: 50 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 rack4slot2.osadl.org (updated Tue Jul 16, 2024 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745011580,0irq/46-4a10000024198-1kworker/u3:119:04:430
261479912942,0cyclictest30296-21runrttasks00:01:510
261479912933,0cyclictest9734-21runrttasks00:36:000
261479912837,0cyclictest4135-21/usr/sbin/munin00:20:300
261479912751,0cyclictest7350irq/45-4a10000019:36:170
261479912530,0cyclictest18038-21runrttasks20:17:460
261479912435,0cyclictest9875-21aten_r4power_cu19:54:550
261479912434,0cyclictest23568-21apt-get20:34:520
261479912429,0cyclictest2768-21runrttasks22:41:210
261479912429,0cyclictest19731-21runrttasks20:22:250
261479912343,0cyclictest17601-21/usr/sbin/munin23:25:220
261479912342,0cyclictest8658-21irqstats19:50:220
261479912327,0cyclictest21776-21runrttasks22:03:480
261479912236,0cyclictest0-21swapper23:41:250
261479912230,0cyclictest3000-21runrttasks00:17:060
261479912230,0cyclictest11363-21runrttasks23:06:320
261479912229,0cyclictest11204-21runrttasks21:31:350
261479912228,0cyclictest7879-21runrttasks22:56:130
261479912140,0cyclictest0-21swapper23:55:090
261479912133,0cyclictest32699-21grep22:35:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional