You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-11-22 - 17:28
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 rackaslot8.osadl.org (updated Fri Nov 22, 2024 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
91342284249,22sleep10-21swapper/107:08:311
91302278223,43sleep20-21swapper/207:08:282
89322273238,20sleep00-21swapper/007:06:010
89252265229,20sleep30-21swapper/307:05:563
179292590,0sleep10-21swapper/109:25:091
326852580,0sleep00-21swapper/009:10:140
152092570,0sleep10-21swapper/112:29:451
33472180,0sleep30-21swapper/309:12:533
89902150,0sleep10-21swapper/111:44:121
63952140,0sleep30-21swapper/311:00:183
63422140,0sleep30-21swapper/312:23:513
36732140,1sleep3331rcuc/309:40:133
145742140,0sleep20-21swapper/212:29:142
938499129,2cyclictest28-21ksoftirqd/209:10:012
938499111,3cyclictest141rcu_preempt07:30:132
937699104,3cyclictest17758-21munin-run11:50:000
303522100,1sleep30-21swapper/311:36:303
133802100,0sleep10-21swapper/109:20:201
93889994,3cyclictest19982-21systemd-journal10:56:113
93889994,3cyclictest19982-21systemd-journal07:15:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional