Messages in this thread | | | Date | Fri, 28 Jun 2013 10:03:23 -0600 | From | David Ahern <> | Subject | Re: [PATCH] perf tools: Fixup for removing -f option in perf record |
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On 6/28/13 9:37 AM, Ingo Molnar wrote: > > * David Ahern <dsahern@gmail.com> wrote: > >> On 6/28/13 3:47 AM, Jiri Olsa wrote: >>>>> 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..? >> >> Way back in 2010, 2.6.34 kernel - 7865e817 commit. I've been typing >> the -f for while too. Now about the need for the pesky -f on the >> analysis side.... > > That's only needed when perf.data is owned by a different user, right? >
Yes, why not let file permissions dictate of uid x can read uid y files? Why does perf need to have that restriction? For example, QA collects the data files, developers analyze them.
David
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