Re: [PATCH] perf tool: Round mmap pages to power 2

[Arnaldo Carvalho de Melo]

Em Mon, Nov 11, 2013 at 12:27:54PM +0100, Ingo Molnar escreveu:
> * David Ahern <dsahern@xxxxxxxxx> wrote:
> 
> > Currently perf requires the -m / --mmap_pages option to be a power of 2.
> > To be more user friendly perf should automatically round this up to the
> > next power of 2.
> > 
> > Currently:
> >   $ perf record -m 3 -a -- sleep 1
> >   --mmap_pages/-m value must be a power of two.sleep: Terminated
> > 
> > With patch:
> >   $ perf record -m 3 -a -- sleep 1
> >   rounding mmap pages size to 16384 (4 pages)
> 
> Please add 'bytes'.

Ok, waiting for v2 with this and Adrian's concerns addressed.

- Arnaldo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/