Re: [tip:perfcounters/core] perf report: Deal with maps

Peter Zijlstra
2009-06-05T14:07:19Z

On Fri, 2009-06-05 at 10:57 -0300, Arnaldo Carvalho de Melo wrote:
> Em Fri, Jun 05, 2009 at 01:21:54PM +0000, tip-bot for Peter Zijlstra escreveu:
> > Commit-ID: fc54db5105d01ad691a7d747064c7890e17f936c
> > Gitweb: http://git.kernel.org/tip/fc54db5105d01ad691a7d747064c7890e17f936c
> > Author: Peter Zijlstra <a.p.zijlstra@chello.nl>
> > AuthorDate: Fri, 5 Jun 2009 14:04:59 +0200
> > Committer: Ingo Molnar <mingo@elte.hu>
> > CommitDate: Fri, 5 Jun 2009 14:46:41 +0200
> >
> > perf report: Deal with maps
> >
> > In order to deal with [vdso] maps generalize the ip->symbol path
> > a bit and allow to override some bits with custom functions.
> >
> > Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
> > Cc: Mike Galbraith <efault@gmx.de>
> > Cc: Paul Mackerras <paulus@samba.org>
> > Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
> > LKML-Reference: <new-submission>
> > Signed-off-by: Ingo Molnar <mingo@elte.hu>
> >
> >
> > ---
> > Documentation/perf_counter/builtin-report.c | 37 +++++++++++++++++++++++++-
> > Documentation/perf_counter/util/symbol.c | 1 +
> > Documentation/perf_counter/util/symbol.h | 1 +
> > 3 files changed, 37 insertions(+), 2 deletions(-)
> >
> > diff --git a/Documentation/perf_counter/builtin-report.c b/Documentation/perf_counter/builtin-report.c
> > index eb5424f..9783d1e 100644
> > --- a/Documentation/perf_counter/builtin-report.c
> > +++ b/Documentation/perf_counter/builtin-report.c
> > @@ -79,6 +79,7 @@ typedef union event_union {
> >
> > static LIST_HEAD(dsos);
> > static struct dso *kernel_dso;
> > +static struct dso *vdso;
> >
> > static void dsos__add(struct dso *dso)
> > {
> > @@ -136,6 +137,11 @@ static void dsos__fprintf(FILE *fp)
> > dso__fprintf(pos, fp);
> > }
> >
> > +static struct symbol *vdso__find_symbol(struct dso *dso, uint64_t ip)
> > +{
> > + return dso__find_symbol(kernel_dso, ip);
> > +}
>
> Cut'n'paste error? s/kernel_dso/vdso/g

Ah, no, intentional cheating ;-)

the kernel dso includes the vdso symbols