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perf intel-pt: Add reserved byte to CBR packet payload

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Future proof CBR packet decoding by passing through also the undefined
'reserved' byte in the packet payload.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1495786658-18063-15-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2017-05-26 11:17:15 +03:00 committed by Arnaldo Carvalho de Melo
parent a472e65fc4
commit 26fb2fb19c
2 changed files with 2 additions and 2 deletions
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2
tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
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@ -1444,7 +1444,7 @@ static void intel_pt_calc_mtc_timestamp(struct intel_pt_decoder *decoder)
static void intel_pt_calc_cbr(struct intel_pt_decoder *decoder)
{
unsigned int cbr = decoder->packet.payload;
unsigned int cbr = decoder->packet.payload & 0xff;
if (decoder->cbr == cbr)
return;

2
tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c
View File

@ -130,7 +130,7 @@ static int intel_pt_get_cbr(const unsigned char *buf, size_t len,
if (len < 4)
return INTEL_PT_NEED_MORE_BYTES;
packet->type = INTEL_PT_CBR;
packet->payload = buf[2];
packet->payload = le16_to_cpu(*(uint16_t *)(buf + 2));
return 4;
}