Em Mon, Nov 11, 2013 at 12:27:54PM +0100, Ingo Molnar escreveu:
> * David Ahern 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
* David Ahern 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
* David Ahern dsah...@gmail.com 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
Em Mon, Nov 11, 2013 at 12:27:54PM +0100, Ingo Molnar escreveu:
* David Ahern dsah...@gmail.com 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:
$
On 08/11/13 16:41, David Ahern wrote:
> On 11/8/13, 2:11 AM, Adrian Hunter wrote:
>> This prevents:
>>
>> --out-pages=0
>>
>> from working e.g.
>>
>> tools/perf/perf record -vv --out-pages=0 uname
>> rounding mmap pages size to 4096 (1 pages)
>>
>> Although without this patch:
>>
>>
On 08/11/13 16:41, David Ahern wrote:
On 11/8/13, 2:11 AM, Adrian Hunter wrote:
This prevents:
--out-pages=0
from working e.g.
tools/perf/perf record -vv --out-pages=0 uname
rounding mmap pages size to 4096 (1 pages)
Although without this patch:
tools/perf/perf
On 11/8/13, 2:11 AM, Adrian Hunter wrote:
This prevents:
--out-pages=0
from working e.g.
tools/perf/perf record -vv --out-pages=0 uname
rounding mmap pages size to 4096 (1 pages)
Although without this patch:
tools/perf/perf record -vv --out-pages=0 uname
On 08/11/13 06:36, David Ahern 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
On 08/11/13 06:36, David Ahern 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
On 11/8/13, 2:11 AM, Adrian Hunter wrote:
This prevents:
--out-pages=0
from working e.g.
tools/perf/perf record -vv --out-pages=0 uname
rounding mmap pages size to 4096 (1 pages)
Although without this patch:
tools/perf/perf record -vv --out-pages=0 uname
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
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
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