You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2023-12-03 - 11:35
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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack1slot6.osadl.org (updated Sun Dec 03, 2023 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2911130,0irq_work/2311rcuc/222:26:442
2911110,0irq_work/2311rcuc/223:46:522
2911110,0irq_work/2311rcuc/223:46:522
1811080,0irq_work/0161rcuc/021:41:250
1811060,0irq_work/0161rcuc/019:16:450
1811030,0irq_work/0161rcuc/021:16:240
2911020,0irq_work/2311rcuc/221:02:102
291970,0irq_work/2311rcuc/220:03:062
181930,0irq_work/0161rcuc/023:27:030
361900,0irq_work/3381rcuc/321:23:453
361900,0irq_work/3381rcuc/321:23:453
181890,0irq_work/0161rcuc/000:12:510
181880,0irq_work/0161rcuc/019:06:450
291870,0irq_work/2311rcuc/200:22:062
291860,0irq_work/2311rcuc/219:26:462
181860,0irq_work/0161rcuc/021:51:250
291850,0irq_work/2311rcuc/221:21:502
291850,0irq_work/2311rcuc/221:21:502
181830,0irq_work/0161rcuc/000:07:080
221820,0irq_work/1241rcuc/121:36:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional