diff options
Diffstat (limited to 'arch/powerpc/perf/isa207-common.c')
| -rw-r--r-- | arch/powerpc/perf/isa207-common.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/powerpc/perf/isa207-common.c b/arch/powerpc/perf/isa207-common.c index 2efee3f196f5..cf9c35aa0cf4 100644 --- a/arch/powerpc/perf/isa207-common.c +++ b/arch/powerpc/perf/isa207-common.c @@ -228,8 +228,13 @@ void isa207_get_mem_weight(u64 *weight) u64 mmcra = mfspr(SPRN_MMCRA); u64 exp = MMCRA_THR_CTR_EXP(mmcra); u64 mantissa = MMCRA_THR_CTR_MANT(mmcra); + u64 sier = mfspr(SPRN_SIER); + u64 val = (sier & ISA207_SIER_TYPE_MASK) >> ISA207_SIER_TYPE_SHIFT; - *weight = mantissa << (2 * exp); + if (val == 0 || val == 7) + *weight = 0; + else + *weight = mantissa << (2 * exp); } int isa207_get_constraint(u64 event, unsigned long *maskp, unsigned long *valp) |