diff options
Diffstat (limited to 'arch/x86/oprofile/op_model_amd.c')
| -rw-r--r-- | arch/x86/oprofile/op_model_amd.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c index a9d194734a8e..ef9d735dea35 100644 --- a/arch/x86/oprofile/op_model_amd.c +++ b/arch/x86/oprofile/op_model_amd.c @@ -194,9 +194,18 @@ static void op_amd_setup_ctrs(struct op_x86_model_spec const *model, /* clear all counters */ for (i = 0; i < NUM_CONTROLS; ++i) { - if (unlikely(!msrs->controls[i].addr)) + if (unlikely(!msrs->controls[i].addr)) { + if (counter_config[i].enabled && !smp_processor_id()) + /* + * counter is reserved, this is on all + * cpus, so report only for cpu #0 + */ + op_x86_warn_reserved(i); continue; + } rdmsrl(msrs->controls[i].addr, val); + if (val & ARCH_PERFMON_EVENTSEL0_ENABLE) + op_x86_warn_in_use(i); val &= model->reserved; wrmsrl(msrs->controls[i].addr, val); } |
