r238031 - Add clarifying note that sampling-based profiles cannot be used for code coverage.
dnovillo at google.com
Fri May 22 09:05:07 PDT 2015
Date: Fri May 22 11:05:07 2015
New Revision: 238031
Add clarifying note that sampling-based profiles cannot be used for code coverage.
--- cfe/trunk/docs/UsersManual.rst (original)
+++ cfe/trunk/docs/UsersManual.rst Fri May 22 11:05:07 2015
@@ -1290,6 +1290,10 @@ If you are not using Linux Perf to colle
write a conversion tool from your profiler to LLVM's format. This section
explains the file format expected by the backend.
+NOTE: This format is not intended to be used for code coverage. For that,
+you need to use Clang's instrumentation based profiling
Sample profiles are written as ASCII text. The file is divided into sections,
which correspond to each of the functions executed at runtime. Each
section has the following format (taken from
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