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SubjectRe: [PATCH 2/4] perf tools: Mark ksymbol dsos with kernel type
Em Mon, Feb 10, 2020 at 04:25:37PM +0100, Jiri Olsa escreveu:
> On Mon, Feb 10, 2020 at 12:17:59PM -0300, Arnaldo Carvalho de Melo wrote:
> > Em Mon, Feb 10, 2020 at 03:32:16PM +0100, Jiri Olsa escreveu:
> > > We add ksymbol map into machine->kmaps, so it needs to be
> > > created as 'struct kmap', which is dependent on its dso
> > > having kernel type.
> > >
> > > Reported-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
> > > Tested-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
> > > Signed-off-by: Jiri Olsa <jolsa@kernel.org>
> > > ---
> > > tools/perf/util/machine.c | 10 ++++++++--
> > > 1 file changed, 8 insertions(+), 2 deletions(-)
> > >
> > > diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
> > > index e3e5490f6de5..0a43dc83d7b2 100644
> > > --- a/tools/perf/util/machine.c
> > > +++ b/tools/perf/util/machine.c
> > > @@ -727,8 +727,14 @@ static int machine__process_ksymbol_register(struct machine *machine,
> > > struct map *map = maps__find(&machine->kmaps, event->ksymbol.addr);
> > >
> > > if (!map) {
> > > - map = dso__new_map(event->ksymbol.name);
> > > - if (!map)
> > > + struct dso *dso = dso__new(event->ksymbol.name);
> > > +
> > > + if (dso) {
> > > + dso->kernel = DSO_TYPE_KERNEL;
> > > + map = map__new2(0, dso);
> > > + }
> > > +
> > > + if (!dso || !map)
> >
> > We leak dso if map creation fails?
>
> yep :-\ will post v2

Please collect Kim's Tested-by then,

- Arnaldo

> thanks,
> jirka
>
> >
> >
> > - Arnaldo
> >
> > > return -ENOMEM;
> > >
> > > map->start = event->ksymbol.addr;
> > > --
> > > 2.24.1
> > >
> >
> > --
> >
> > - Arnaldo
> >
>

--

- Arnaldo

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