Sunday, April 28, 2019

intel - Haswell microarchitecture don't have Stalled-cycles-backend in perf

I installed perf on Haswell CPU( Intel Core i7-4790 ). But the "perf list" does not include "stalled-cycles-frontend" nor "stalled-cycles-backend". I checked the http://www.intel.com/content/www/us/en/processors/architectures-software-developer-manuals.html and not found the performance events relevant to stalled-cycles-backend from the Table 19-7( Non-Architectural Performance Events In the Processor Core of 4th Generation Intel Core Processors).



So my question is: how can I measure stalled-cycles-backend using perf or other tools in Haswell CPU cores. The kernel is 3.19 and perf version is also 3.19.



Thanks

No comments:

Post a Comment

plot explanation - Why did Peaches' mom hang on the tree? - Movies & TV

In the middle of the movie Ice Age: Continental Drift Peaches' mom asked Peaches to go to sleep. Then, she hung on the tree. This parti...