On Wed, Apr 10, 2019 at 10:28:37AM -0300, Arnaldo Carvalho de Melo wrote:
> > > You forgot to convert that one, doing it for you,
> >
> > Also in perf_event__sample_event_size() we need to do the same thing,
> > right?
>
> and perf_event__synthesize_sample()
>
> Done, resulting patch is at the e
Em Wed, Apr 10, 2019 at 10:10:42AM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Wed, Apr 10, 2019 at 10:08:41AM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Wed, Apr 10, 2019 at 04:16:43PM +0800, Mao Han escreveu:
> > > On 32-bits platform with more than 32 registers, the 64 bits mask is
> >
Em Wed, Apr 10, 2019 at 10:08:41AM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Wed, Apr 10, 2019 at 04:16:43PM +0800, Mao Han escreveu:
> > On 32-bits platform with more than 32 registers, the 64 bits mask is
> > truncate to the lower 32 bits and the return value of hweight_long will
> > always
Em Wed, Apr 10, 2019 at 04:16:43PM +0800, Mao Han escreveu:
> On 32-bits platform with more than 32 registers, the 64 bits mask is
> truncate to the lower 32 bits and the return value of hweight_long will
> always smaller than 32. When kernel outputs more than 32 registers, but
> the user perf prog
On 32-bits platform with more than 32 registers, the 64 bits mask is
truncate to the lower 32 bits and the return value of hweight_long will
always smaller than 32. When kernel outputs more than 32 registers, but
the user perf program only counts 32, there will be a data mismatch
result to overflow
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