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Message-Id: <1528371002-8862-1-git-send-email-adrian.hunter@intel.com> Date: Thu, 7 Jun 2018 14:30:02 +0300 From: Adrian Hunter <adrian.hunter@...el.com> To: Arnaldo Carvalho de Melo <acme@...nel.org> Cc: Jiri Olsa <jolsa@...hat.com>, linux-kernel@...r.kernel.org Subject: [PATCH] perf intel-pt: Fix packet decoding of CYC packets Use a 64-bit type so that the cycle count is not limited to 32-bits. Signed-off-by: Adrian Hunter <adrian.hunter@...el.com> Cc: stable@...r.kernel.org --- 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
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