Date: Sun, 30 Mar 2014 10:07:33 -0400 From: Ryan Stone <rysto32@gmail.com> To: "Daniel O'Connor" <doconnor@gsoft.com.au> Cc: FreeBSD Hackers <freebsd-hackers@freebsd.org> Subject: Re: Profiling shared libraries Message-ID: <CAFMmRNzPrqzCz=wPegX6SsWQarLoR9rKWYukmiiz4WJiXDh30Q@mail.gmail.com> In-Reply-To: <363F98EE-AF54-475D-AF4A-F99BD3D3CCF9@gsoft.com.au>
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On Sat, Mar 29, 2014 at 10:43 PM, Daniel O'Connor <doconnor@gsoft.com.au> wrote: > Hi, > I have a shared library which is loaded into a Tcl interpreter and also loads submodules and I would like to profile it. Unfortunately it seems gprof does not grok shared libraries. I did some googling and it look like Linux has sprof for this but I can't see a port for FreeBSD. > > Does anyone have any other ideas? > I have looked at DTrace but it's a bit fiddly to get working with my systems in the field so I'd prefer a pure userland solution if possible. > > Thanks hwpmc can do it: kldload hwpmc pmcstat -S unhalted-cycles -O /tmp/samples.out sleep 10 pmcstat -R /tmp/samples.out -G /tmp/callgraph.txthome | help
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