lkml.org 
[lkml]   [2018]   [Jun]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] perf intel-pt: Fix packet decoding of CYC packets
Em Thu, Jun 07, 2018 at 02:30:02PM +0300, Adrian Hunter escreveu:
> Use a 64-bit type so that the cycle count is not limited to 32-bits.
>
> Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
> Cc: stable@vger.kernel.org

Thanks, applied.

- Arnaldo

> ---
> tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c
> index ba4c9dd18643..d426761a549d 100644
> --- a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c
> +++ b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c
> @@ -366,7 +366,7 @@ static int intel_pt_get_cyc(unsigned int byte, const unsigned char *buf,
> if (len < offs)
> return INTEL_PT_NEED_MORE_BYTES;
> byte = buf[offs++];
> - payload |= (byte >> 1) << shift;
> + payload |= ((uint64_t)byte >> 1) << shift;
> }
>
> packet->type = INTEL_PT_CYC;
> --
> 1.9.1

\
 
 \ /
  Last update: 2018-06-13 22:03    [W:0.023 / U:34.196 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site