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From: Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com>,
	Tzvetomir Stoyanov <tstoyanov@vmware.com>,
	Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [BUG] libtraceevent: perf script -g python segfaults
Date: Thu, 17 Oct 2019 16:51:40 -0300	[thread overview]
Message-ID: <20191017195140.GD3600@kernel.org> (raw)
In-Reply-To: <20191017194907.GC3600@kernel.org>

Em Thu, Oct 17, 2019 at 04:49:08PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Thu, Oct 17, 2019 at 03:37:33PM -0400, Steven Rostedt escreveu:
> > On Thu, 17 Oct 2019 16:28:32 -0300
> > Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com> wrote:
> > 
> > > Em Thu, Oct 17, 2019 at 02:41:14PM -0400, Steven Rostedt escreveu:
> > > > On Thu, 17 Oct 2019 14:38:41 -0400
> > > > Steven Rostedt <rostedt@goodmis.org> wrote:
> > > >   
> > > > >  struct tep_event *trace_find_next_event(struct tep_handle *pevent,
> > > > >  					struct tep_event *event)
> > > > >  {
> > > > > +	static struct tep_event **all_events;
> > > > >  	static int idx;
> > > > >  	int events_count;
> > > > > -	struct tep_event *all_events;  
> > > > 
> > > > If we are going to use static variables, let's make them all static and
> > > > optimize it a little more...  
> > > 
> > > I'll test it, but can't you have this somewhere else, i.e. at
> > > tep_handle perhaps?
> > > 
> > >
> > 
> > Or we can nuke the function entirely, it's a rather silly helper
> > anyway. Just do this:
> 
> I like it, that is a good nuke use, nice button to press! :-)
> 
> Testing it now...

Reported-by: Daniel Bristot de Oliveira <bristot@redhat.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>

Works like a charm, thanks!

- Arnaldo

  reply	other threads:[~2019-10-17 19:51 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-17 15:42 [BUG] libtraceevent: perf script -g python segfaults Arnaldo Carvalho de Melo
2019-10-17 17:45 ` Steven Rostedt
2019-10-17 18:38 ` Steven Rostedt
2019-10-17 18:41   ` Steven Rostedt
2019-10-17 19:28     ` Arnaldo Carvalho de Melo
2019-10-17 19:37       ` Steven Rostedt
2019-10-17 19:49         ` Arnaldo Carvalho de Melo
2019-10-17 19:51           ` Arnaldo Carvalho de Melo [this message]
2019-10-21 23:19         ` [tip: perf/core] perf scripting engines: Iterate on tep event arrays directly tip-bot2 for Steven Rostedt (VMware)
2019-11-06 18:14         ` [tip: perf/urgent] " tip-bot2 for Steven Rostedt (VMware)

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