linux-kernel - Re: [PATCH 05/14] perf tools: Add dsos_

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Date:	Wed, 4 Mar 2015 11:20:55 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Arnaldo Carvalho de Melo <acme@...hat.com>
Cc:	Jiri Olsa <jolsa@...nel.org>, linux-kernel@...r.kernel.org,
	Adrian Hunter <adrian.hunter@...el.com>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH 05/14] perf tools: Add dsos__new function

On Tue, Mar 03, 2015 at 01:20:35PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Tue, Mar 03, 2015 at 04:29:32PM +0100, Jiri Olsa escreveu:
> > Separate the creation of new dso object and its addition
> > to the dsos list. It will be used in following patch.
> > 
> > Signed-off-by: Jiri Olsa <jolsa@...nel.org>
> > Cc: Adrian Hunter <adrian.hunter@...el.com>
> > Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
> > Cc: Corey Ashford <cjashfor@...ux.vnet.ibm.com>
> > Cc: David Ahern <dsahern@...il.com>
> > Cc: Frederic Weisbecker <fweisbec@...il.com>
> > Cc: Ingo Molnar <mingo@...nel.org>
> > Cc: Namhyung Kim <namhyung@...nel.org>
> > Cc: Paul Mackerras <paulus@...ba.org>
> > Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
> > Cc: Stephane Eranian <eranian@...gle.com>
> > ---
> >  tools/perf/util/dso.c | 21 ++++++++++++---------
> >  tools/perf/util/dso.h |  1 +
> >  2 files changed, 13 insertions(+), 9 deletions(-)
> > 
> > diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
> > index be368414036c..fc54cb81c7f8 100644
> > --- a/tools/perf/util/dso.c
> > +++ b/tools/perf/util/dso.c
> > @@ -1005,21 +1005,24 @@ struct dso *dsos__find(const struct dsos *dsos, const char *name,
> >  	return dso__find_by_longname(&dsos->root, name);
> >  }
> >  
> > -struct dso *__dsos__findnew(struct dsos *dsos, const char *name)
> > +struct dso *dsos__new(struct dsos *dsos, const char *name)
> 
> When I read dsos__new() I think that it will surely return a 'struct dsos'
> pointer, as it is the constructor ('__new') for the 'dsos' class. :-)
> 
> Right now we don't have a constructor for dsos, because its only used in
> machine where they are not m'allocated, i.e. we use just dsos__init(),
> but if we ever need a constructor for it, it will be called dsos__new().
> 
> So, to use the same rationale for dsos__findnew(), we can call it
> dsos__addnew(), because it will not find anything, just add a new dso.

ok, sounds good

thanks,
jirka
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