tree 825372c3de9b79bd2669324552bd78bf2893acfd
parent 46b72e1bf4fc571da0c29c6fb3e5b2a2107a4c26
author Kan Liang <kan.liang@linux.intel.com> 1606340240 -0800
committer Peter Zijlstra <peterz@infradead.org> 1607530138 +0100

perf/x86/intel/lbr: Fix the return type of get_lbr_cycles()

The cycle count of a timed LBR is always 1 in perf record -D.

The cycle count is stored in the first 16 bits of the IA32_LBR_x_INFO
register, but the get_lbr_cycles() return Boolean type.

Use u16 to replace the Boolean type.

Fixes: 47125db27e47 ("perf/x86/intel/lbr: Support Architectural LBR")
Reported-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/20201125213720.15692-2-kan.liang@linux.intel.com