Gcov and PGO
ultratwo at gmail.com
Tue Jun 15 13:45:34 CDT 2010
After applying my "[RESEND 2] Changes to enable the use of gcov and PGO" patch
To use gcov:
Run "make EXTRACFLAGS=--coverage LDFLAGS=--coverage"
Run program (presumably test suite)
Run "gcov file.c" (multiple files like "gcov *.c" doesn't work for
To use PGO
Run "make EXTRACFLAGS=-fprofile-generate LDFLAGS=-fprofile-generate"
Run sample program (test suite is inappropriate because it doesn't
represent normal usage).
Run "make clean"
Run "make EXTRACFLAGS=-fprofile-use LDFLAGS=-fprofile-use"
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