Commit-ID: 26fb2fb19c28ec692d6604bb01cbb4f03a4ee009
Gitweb: http://git.kernel.org/tip/26fb2fb19c28ec692d6604bb01cbb4f03a4ee009
Author: Adrian Hunter <adrian.hunter@xxxxxxxxx>
AuthorDate: Fri, 26 May 2017 11:17:15 +0300
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 21 Jun 2017 11:35:50 -0300
perf intel-pt: Add reserved byte to CBR packet payload
Future proof CBR packet decoding by passing through also the undefined
'reserved' byte in the packet payload.
Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1495786658-18063-15-git-send-email-adrian.hunter@xxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/util/intel-pt-decoder/intel-pt-decoder.c | 2 +-
tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
index e42804d..96bf8d8 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
@@ -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;
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 accdb64..ba4c9dd 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
@@ -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;
}
--
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