You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-01-15 - 06:51
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 rackcslot0.osadl.org (updated Wed Jan 15, 2025 00:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
131152140104,32sleep100-21swapper/1019:15:022
13100212694,27sleep120-21swapper/1219:14:484
131122119103,12sleep70-21swapper/719:14:5913
130882118101,13sleep00-21swapper/019:14:360
13038211292,15sleep60-21swapper/619:13:5412
13061211090,14sleep110-21swapper/1119:14:153
2930821070,20sleep120-21swapper/1222:48:114
804021050,1sleep40-21swapper/423:30:3410
13218210392,7sleep40-21swapper/419:15:4410
13089210379,19sleep10-21swapper/119:14:371
1095921030,1sleep130-21swapper/1321:25:335
3175921010,0sleep30-21swapper/300:45:269
933921000,1sleep80-21swapper/823:13:4714
933921000,1sleep80-21swapper/823:13:4714
12119210083,13sleep50-21swapper/519:11:2811
295922990,1sleep30-21swapper/321:34:459
217362980,0sleep110-21swapper/1122:29:423
1321729381,8sleep30-21swapper/319:15:439
123942930,1sleep00-21swapper/021:47:480
50842910,0sleep120-21swapper/1221:24:284
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional