You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-25 - 14:14
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
Characteristics of the 20 highest latencies:
System rackcslot4.osadl.org (updated Thu Dec 25, 2025 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11512462263188,26sleep10-21swapper/119:08:581
11509932247179,53sleep00-21swapper/019:06:130
12647212520,4sleep11264719-21head23:50:251
179699510,3rtkit-daemon1795-21rtkit-daemon21:13:130
179699500,3rtkit-daemon1795-21rtkit-daemon20:30:470
12663062490,1chrt1266305-21/usr/sbin/munin23:55:241
179699470,3rtkit-daemon1795-21rtkit-daemon19:33:570
11751282430,4sleep00-21swapper/020:05:260
115147799390,1cyclictest0-21swapper/100:17:371
179699380,3rtkit-daemon0-21swapper/022:55:390
179699370,7rtkit-daemon1272463-21unixbench_multi00:10:261
179699370,4rtkit-daemon1795-21rtkit-daemon23:15:210
179699370,3rtkit-daemon0-21swapper/123:45:140
179699370,3rtkit-daemon0-21swapper/100:20:150
179699360,3rtkit-daemon0-21swapper/021:30:491
179699350,3rtkit-daemon0-21swapper/123:45:071
179699350,3rtkit-daemon0-21swapper/123:30:000
179699350,3rtkit-daemon0-21swapper/121:50:210
179699350,3rtkit-daemon0-21swapper/100:39:190
179699350,3rtkit-daemon0-21swapper/021:16:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional