Date: Tue, 18 Jan 2011 15:32:05 +0100 From: Roman Divacky <rdivacky@freebsd.org> To: Steve Kargl <sgk@troutmask.apl.washington.edu> Cc: freebsd-toolchain@freebsd.org Subject: Re: How to build an executable with profiling? Message-ID: <20110118143205.GA34216@freebsd.org> In-Reply-To: <20110117184411.GA54556@troutmask.apl.washington.edu> References: <20110117184411.GA54556@troutmask.apl.washington.edu>
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On Mon, Jan 17, 2011 at 10:44:11AM -0800, Steve Kargl wrote: > How does one build an executable for profiling with clang? LLVM (and thus clang) does not support GPROF profiling. > clang -o testf -O2 -march=native -pipe -static -pg -I/usr/local/include -I../mp testf.c -L/usr/local/lib -L../mp -lsgk -lmpfr -lgmp -L/usr/home/kargl/work/lib -lm_clang_p > clang: warning: the clang compiler does not support '-pg' > > I suppose it will be pointless to ask, but shouldn't clang > support one of the most basic gcc compiler options if clang > is to replace gcc as the base system compiler? is GPROF really needed at this point? we have HWPMC, isnt it sufficient? roman
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