Oprofile vs perf [closed]

Question

I am looking a system-wide sampling profilers for Linux. Both perf and OPrfile work off the same hardware counters so I am not sure what the difference between the two are.

So what are the differences between perf and OProfile and when will you use one or the other?

Answer 1

Perf seems to be easier to install and run - going by my limited experience.

Here's a link that might be useful: http://rhaas.blogspot.co.uk/2012/06/perf-good-bad-ugly.html

Both can produce call graphs, annotated assembly/source code, kernel level event sampling, etc. I don't see a big difference between them (not that I have used either of them much as of yet).