On Mon, Dec 11, 2017 at 10:15:58AM -0800, Palmer Dabbelt wrote:
> On Wed, 06 Dec 2017 18:31:10 PST (-0800), noner...@gmail.com wrote:
Hi Palmer,
I forgot to explain this section in the previous reply:
> > +ENTRY(_mcount)
> > + la t4, ftrace_stub
> > +#ifdef CONFIG_FUNCTION_GRAPH_TRACER
>
On Tue, 12 Dec 2017 09:47:03 -0800
Jim Wilson wrote:
> As Alan mentioned, all gcc does is call mcount with two args, parent
> pc and self pc, same as most other linux targets. Most of the
> interesting features of prof/gprof profiling happen inside glibc, with
> the special start files provided
On Tue, 12 Dec 2017 15:08:00 +0800
Alan Kao wrote:
> > It's not a big deal, though -- we can fix these later. The more interesting
> > thing here is that this code means our `-pg` stuff is now part of the GCC
> > ABI, which is something I'd never though of before. I've added Jim, our GCC
> > gu
On Mon, Dec 11, 2017 at 11:08 PM, Alan Kao wrote:
> On Mon, Dec 11, 2017 at 10:15:58AM -0800, Palmer Dabbelt wrote:
>> It's not a big deal, though -- we can fix these later. The more interesting
>> thing here is that this code means our `-pg` stuff is now part of the GCC
>> ABI, which is somethin
On Mon, Dec 11, 2017 at 10:15:58AM -0800, Palmer Dabbelt wrote:
> On Wed, 06 Dec 2017 18:31:10 PST (-0800), noner...@gmail.com wrote:
> > This patch contains basic ftrace support for RV64I platform.
> > Specifically, function tracer (HAVE_FUNCTION_TRACER), function graph
> > tracer (HAVE_FUNCTION_G
On Wed, 06 Dec 2017 18:31:10 PST (-0800), noner...@gmail.com wrote:
This patch contains basic ftrace support for RV64I platform.
Specifically, function tracer (HAVE_FUNCTION_TRACER), function graph
tracer (HAVE_FUNCTION_GRAPH_TRACER), and a frame pointer test
(HAVE_FUNCTION_GRAPH_FP_TEST) are imp
This patch contains basic ftrace support for RV64I platform.
Specifically, function tracer (HAVE_FUNCTION_TRACER), function graph
tracer (HAVE_FUNCTION_GRAPH_TRACER), and a frame pointer test
(HAVE_FUNCTION_GRAPH_FP_TEST) are implemented following the
instructions in Documentation/trace/ftrace-desi
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