tree a62fe6330f4bc8b15cceb727b80dd106194bddea
parent fc89e93dde46c2612fbf8491d197890cc5d08486
author Daniel Sanders <daniel.sanders@imgtec.com> 1418994120 +0000
committer Daniel Sanders <daniel.sanders@imgtec.com> 1418994120 +0000

Merging r218054:
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r218054 | kongyi | 2014-09-18 16:50:47 +0100 (Thu, 18 Sep 2014) | 9 lines

Make the use of Perf optional

Do not try to automatically detect and use perf on Linux, thus giving
user more control of which tool to use.

Also this fixes the mistake that Perf wasn't used when not using
user mode emulation.


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llvm-svn: 224573