Messages in this thread | | | Subject | Re: [RFC 0/4] tracing,x86_64 - function/graph trace without mcount/-pg/framepointer | From | Steven Rostedt <> | Date | Mon, 07 Feb 2011 16:32:47 -0500 |
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On Mon, 2011-02-07 at 13:22 -0800, Josh Triplett wrote:
> GCC 4.6 may help here. According to > http://gcc.gnu.org/gcc-4.6/changes.html: > > "Support for emitting profiler counter calls before function prologues. > This is enabled via a new command-line option -mfentry." > > Looks like that option might only support x86 (32-bit and 64-bit) at the > moment, but it still seems like an improvement over the current > mechanism to work around GCC's placement of mcount. >
I may need to download this and try it out.
Thanks for the reference!
-- Steve
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