You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-11-22 - 17:10
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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack3slot6.osadl.org (updated Fri Nov 22, 2024 12:45:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
179949912479,32cyclictest26-21ksoftirqd/107:20:121
1864621150,7sleep1251rcuc/110:15:281
179879911383,18cyclictest14-21ksoftirqd/009:35:110
179879911381,18cyclictest14-21ksoftirqd/008:30:140
179879911281,19cyclictest14-21ksoftirqd/011:10:160
179879911278,21cyclictest14-21ksoftirqd/011:30:160
179879911185,14cyclictest14-21ksoftirqd/010:20:120
179879911180,19cyclictest14-21ksoftirqd/008:20:150
179879911081,18cyclictest14-21ksoftirqd/008:45:140
179879911079,21cyclictest14-21ksoftirqd/011:05:120
179879911079,19cyclictest0-21swapper/008:50:120
179879910979,20cyclictest14-21ksoftirqd/012:00:100
179879910979,19cyclictest14-21ksoftirqd/007:35:120
179879910976,18cyclictest14-21ksoftirqd/008:35:140
179879910882,17cyclictest14-21ksoftirqd/011:02:260
179879910882,16cyclictest14-21ksoftirqd/009:30:140
179879910880,17cyclictest14-21ksoftirqd/011:25:230
179879910879,18cyclictest14-21ksoftirqd/009:25:140
179879910879,16cyclictest14-21ksoftirqd/012:20:140
179879910777,17cyclictest14-21ksoftirqd/010:55:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional