add debug counters to survey the IMC miss
This commit is contained in:
parent
aacd2295d0
commit
da3be76cb0
@ -18,6 +18,11 @@
|
||||
RB_DEBUG_COUNTER(mc_inline_hit) // IMC hit
|
||||
RB_DEBUG_COUNTER(mc_inline_miss_klass) // IMC miss by different class
|
||||
RB_DEBUG_COUNTER(mc_inline_miss_invalidated) // IMC miss by invalidated ME
|
||||
RB_DEBUG_COUNTER(mc_inline_miss_empty) // IMC miss because prev is empty slot
|
||||
RB_DEBUG_COUNTER(mc_inline_miss_same_cc) // IMC miss, but same CC
|
||||
RB_DEBUG_COUNTER(mc_inline_miss_same_cme) // IMC miss, but same CME
|
||||
RB_DEBUG_COUNTER(mc_inline_miss_diff) // IMC miss, different methods
|
||||
|
||||
RB_DEBUG_COUNTER(mc_cme_complement) // number of acquiring complement CME
|
||||
RB_DEBUG_COUNTER(mc_cme_complement_hit) // number of cache hit for complemented CME
|
||||
|
||||
|
@ -1684,8 +1684,27 @@ rb_vm_search_method_slowpath(VALUE cd_owner, struct rb_call_data *cd, VALUE klas
|
||||
{
|
||||
RB_VM_LOCK_ENTER();
|
||||
{
|
||||
#if USE_DEBUG_COUNTER
|
||||
const struct rb_callcache *old_cc = cd->cc;
|
||||
#endif
|
||||
const struct rb_callcache *cc = vm_search_cc(klass, cd->ci);
|
||||
|
||||
#if USE_DEBUG_COUNTER
|
||||
if (old_cc == &vm_empty_cc) {
|
||||
// empty
|
||||
RB_DEBUG_COUNTER_INC(mc_inline_miss_empty);
|
||||
}
|
||||
else if (old_cc == cd->cc) {
|
||||
RB_DEBUG_COUNTER_INC(mc_inline_miss_same_cc);
|
||||
}
|
||||
else if (vm_cc_cme(old_cc) == vm_cc_cme(cc)) {
|
||||
RB_DEBUG_COUNTER_INC(mc_inline_miss_same_cme);
|
||||
}
|
||||
else {
|
||||
RB_DEBUG_COUNTER_INC(mc_inline_miss_diff);
|
||||
}
|
||||
#endif
|
||||
|
||||
VM_ASSERT(cc);
|
||||
VM_ASSERT(IMEMO_TYPE_P(cc, imemo_callcache));
|
||||
|
||||
|
Loading…
x
Reference in New Issue
Block a user