Em Tue, Apr 21, 2015 at 10:41:55AM +0800, Wang Nan escreveu:
> On 2015/4/21 5:23, Arnaldo Carvalho de Melo wrote:
> > Em Sat, Apr 18, 2015 at 05:50:20PM +0200, Jiri Olsa escreveu:
> >> From: Wang Nan
> > There is no such word "signess", it is "signedness", fixing this up.
> > Humm, it seems there
On 2015/4/21 5:23, Arnaldo Carvalho de Melo wrote:
> Em Sat, Apr 18, 2015 at 05:50:20PM +0200, Jiri Olsa escreveu:
>> From: Wang Nan
>>
>> When converting int values, perf first extractes it to a ulonglong, then
>> feeds it to babeltrace as a signed value. For negative 32 bit values
>> (for exampl
On Mon, Apr 20, 2015 at 06:23:14PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Sat, Apr 18, 2015 at 05:50:20PM +0200, Jiri Olsa escreveu:
> > From: Wang Nan
> >
> > When converting int values, perf first extractes it to a ulonglong, then
> > feeds it to babeltrace as a signed value. For negative
Em Sat, Apr 18, 2015 at 05:50:20PM +0200, Jiri Olsa escreveu:
> From: Wang Nan
>
> When converting int values, perf first extractes it to a ulonglong, then
> feeds it to babeltrace as a signed value. For negative 32 bit values
> (for example, return values of failed syscalls), the extracted data
From: Wang Nan
When converting int values, perf first extractes it to a ulonglong, then
feeds it to babeltrace as a signed value. For negative 32 bit values
(for example, return values of failed syscalls), the extracted data
should be something like 0xfffe (-2). It becomes a large int64
value
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