diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2018-06-07 14:30:02 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-07-03 11:23:15 +0200 |
| commit | d6a267b4c5f9bb3db42e3fe6092d1059f08d03bf (patch) | |
| tree | 00c052a47334664193b0ded51791039871fb2da9 /tools/perf | |
| parent | d129ab791de910a81bb53f0053d3476c26982aea (diff) | |
perf intel-pt: Fix packet decoding of CYC packets
commit 621a5a327c1e36ffd7bb567f44a559f64f76358f upstream.
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: Jiri Olsa <jolsa@redhat.com>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/1528371002-8862-1-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c | 2 |
1 files changed, 1 insertions, 1 deletions
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 7528ae4f7e28..e5c6caf913f3 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 @@ -281,7 +281,7 @@ 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; |