iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

perf intel-pt: Fix packet decoding of CYC packets

Browse Source 
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>
This commit is contained in:
Adrian Hunter 2018-06-07 14:30:02 +03:00 committed by Greg Kroah-Hartman
parent 4e7b3632ea
commit c3382e70a0
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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

@ -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;