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authorAdrian Hunter <adrian.hunter@intel.com>2018-06-07 14:30:02 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-07-03 11:21:33 +0200
commit5f21ae5aee6cffea0974a10f7639cf034e5b1757 (patch)
treeca5b3d32d9d2a8eb1cf43e3ed5be1f3ab6664d52 /tools
parent727998def5763417d5483194a271eac623535964 (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')
-rw-r--r--tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c2
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;