Re: [PATCH] perf tools: Fixup for removing -f option in perf record

[Jiri Olsa <jolsa@redhat.com>]

On Thu, Jun 27, 2013 at 12:47:50PM +0200, Peter Zijlstra wrote:
> On Thu, Jun 27, 2013 at 12:39:31PM +0200, Ingo Molnar wrote:
> > 
> > * Peter Zijlstra <peterz@infradead.org> wrote:
> > 
> > > On Thu, Jun 27, 2013 at 01:25:20PM +0900, Namhyung Kim wrote:
> > > > From: Namhyung Kim <namhyung.kim@lge.com>
> > > > 
> > > > The commit bf3da4014a0c ("perf record: Remove -f/--force option") got
> > > > rid of -f option from perf record.  But this option was used
> > > > internally by various sub-commands so they wouldn't work anymore.
> > > > Also update the example document not to use -f option.
> > > 
> > > Oh man.. we got rid of -f? Do we now default to over-write existing data
> > > file?
> > 
> > I thought -f was the implied default for ages?
> 
> OK.. I've been dutifully typing it all this while :-)

The '-f' option in record command had no affect.. myabe it got
depreceated when we started to backup perf.data to perf.data.old..?

The report command bails out on following condition:

        if (!force && input_stat.st_uid && (input_stat.st_uid != geteuid())) {

jirka