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Re: [RFC/PATCH 2/3] perf probe: Rename __event_package to probe_event_package

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On Fri, Sep 04, 2015 at 02:11:09AM +0000, 平松雅巳 / HIRAMATU，MASAMI wrote:
> > From: Namhyung Kim [mailto:namhyung@gmail.com] On Behalf Of Namhyung Kim
> > 
> > The struct __event_package can be accessed now from other than
> > probe-event.c code.  So rename it to more specific name.
> > 
> > Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
> > Signed-off-by: Namhyung Kim <namhyung@kernel.org>
> > ---
> >  tools/perf/util/probe-event.c | 18 ++++++------------
> >  tools/perf/util/probe-event.h | 10 ++++++++++
> >  2 files changed, 16 insertions(+), 12 deletions(-)
> > 
> > diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
> > index 8eaa03428d72..eef39338bb2a 100644
> > --- a/tools/perf/util/probe-event.c
> > +++ b/tools/perf/util/probe-event.c
> > @@ -2759,20 +2759,14 @@ static int convert_to_probe_trace_events(struct perf_probe_event *pev,
> >  	return find_probe_trace_events_from_map(pev, tevs);
> >  }
> > 
> > -struct __event_package {
> > -	struct perf_probe_event		*pev;
> > -	struct probe_trace_event	*tevs;
> > -	int				ntevs;
> > -};
> > -
> > -static int __add_perf_probe_events(struct perf_probe_event *pevs, int npevs,
> > -				   struct __event_package **ppkgs)
> > +int __add_perf_probe_events(struct perf_probe_event *pevs, int npevs,
> > +			    struct probe_event_package **ppkgs)
> 
> OK, since now we have probe_event_package object, this function should be
> refactored as pkgs = probe_event_packages__new(pevs, npevs)(allocate, initialize)
> , probe_event_packages__convert(pkgs) and probe_event_packages__apply(pkgs).

I think it'd be better using Wang Nan's patch below.

  https://lkml.org/lkml/2015/8/29/25

I'll send v2 with this change.

Thanks,
Namhyung


> 
> >  {
> >  	int i, ret;
> > -	struct __event_package *pkgs;
> > +	struct probe_event_package *pkgs;
> > 
> >  	ret = 0;
> > -	pkgs = zalloc(sizeof(struct __event_package) * npevs);
> > +	pkgs = zalloc(sizeof(struct probe_event_package) * npevs);
> > 
> >  	if (pkgs == NULL)
> >  		return -ENOMEM;
> > @@ -2813,7 +2807,7 @@ static int __add_perf_probe_events(struct perf_probe_event *pevs, int npevs,
> >  	return 0;
> >  }
> > 
> > -static void cleanup_perf_probe_events(struct __event_package *pkgs, int npevs)
> > +void cleanup_perf_probe_events(struct probe_event_package *pkgs, int npevs)
> 
> This also should be perf_event_pacakges__delete() :)
> 
> Thanks!
> 
> >  {
> >  	int i, j;
> > 
> > @@ -2833,7 +2827,7 @@ static void cleanup_perf_probe_events(struct __event_package *pkgs, int npevs)
> >  int add_perf_probe_events(struct perf_probe_event *pevs, int npevs)
> >  {
> >  	int ret;
> > -	struct __event_package *pkgs = NULL;
> > +	struct probe_event_package *pkgs = NULL;
> > 
> >  	ret = __add_perf_probe_events(pevs, npevs, &pkgs);
> >  	cleanup_perf_probe_events(pkgs, npevs);
> > diff --git a/tools/perf/util/probe-event.h b/tools/perf/util/probe-event.h
> > index 6e7ec68a4aa8..73f922fa7cac 100644
> > --- a/tools/perf/util/probe-event.h
> > +++ b/tools/perf/util/probe-event.h
> > @@ -89,6 +89,12 @@ struct perf_probe_event {
> >  	struct perf_probe_arg	*args;	/* Arguments */
> >  };
> > 
> > +struct probe_event_package {
> > +	struct perf_probe_event		*pev;
> > +	struct probe_trace_event	*tevs;
> > +	int				ntevs;
> > +};
> > +
> >  /* Line range */
> >  struct line_range {
> >  	char			*file;		/* File name */
> > @@ -138,6 +144,10 @@ extern void line_range__clear(struct line_range *lr);
> >  extern int line_range__init(struct line_range *lr);
> > 
> >  extern int add_perf_probe_events(struct perf_probe_event *pevs, int npevs);
> > +extern int __add_perf_probe_events(struct perf_probe_event *pevs, int npevs,
> > +				   struct probe_event_package **ppkgs);
> > +extern void cleanup_perf_probe_events(struct probe_event_package *pkgs,
> > +				      int npevs);
> >  extern int del_perf_probe_events(struct strfilter *filter);
> >  extern int show_perf_probe_events(struct strfilter *filter);
> >  extern int show_line_range(struct line_range *lr, const char *module,
> > --
> > 2.5.0
> 
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[RFC/PATCH 2/3] perf probe: Rename __event_package to probe_event_package Namhyung Kim <namhyung@kernel.org> - 2015-09-03 19:40 +0200
  RE: [RFC/PATCH 2/3] perf probe: Rename __event_package to  probe_event_package 平松雅巳 / HIRAMATU，MASAMI   <masami.hiramatsu.pt@hitachi.com> - 2015-09-04 04:20 +0200
    Re: [RFC/PATCH 2/3] perf probe: Rename __event_package to  probe_event_package Namhyung Kim <namhyung@kernel.org> - 2015-09-04 08:30 +0200
      RE: Re: [RFC/PATCH 2/3] perf probe: Rename __event_package to  probe_event_package 平松雅巳 / HIRAMATU，MASAMI   <masami.hiramatsu.pt@hitachi.com> - 2015-09-04 10:00 +0200

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