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common: improve vtune merge support 

Mapping the full buffer is killer on Vtune (either crash or requires a huge processing time).
Instead keep the same ID for code in the same buffers.

I think all buffers are correctly mapped now but I still miss the frame pointer
for VU code.
This commit is contained in:
Gregory Hainaut 2016-12-04 21:47:04 +01:00
parent b9369e7c00
commit 031b6e6372
2 changed files with 25 additions and 14 deletions
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1
common/include/Utilities/Perf.h
View File

@ -36,6 +36,7 @@ class InfoVector
{
std::vector<Info> m_v;
char m_prefix[20];
unsigned int m_vtune_id;
public:
InfoVector(const char *prefix);

38
common/src/Utilities/Perf.cpp
View File

@ -76,6 +76,11 @@ void Info::Print(FILE *fp)
InfoVector::InfoVector(const char *prefix)
{
strncpy(m_prefix, prefix, sizeof(m_prefix));
#ifdef ENABLE_VTUNE
m_vtune_id = iJIT_GetNewMethodID();
#else
m_vtune_id = 0;
#endif
}
void InfoVector::print(FILE *fp)
@ -90,18 +95,16 @@ void InfoVector::map(uptr x86, u32 size, const char *symbol)
// Dispatchers are on a page and must always be kept.
// Recompilers are much bigger (TODO check VIF) and are only
// useful when MERGE_BLOCK_RESULT is defined
#ifdef MERGE_BLOCK_RESULT
m_v.emplace_back(x86, size, symbol);
#if defined(ENABLE_VTUNE) || !defined(MERGE_BLOCK_RESULT)
u32 max_code_size = 16 * _1kb;
#else
if (size < 8 * _1kb)
m_v.emplace_back(x86, size, symbol);
u32 max_code_size = _1gb;
#endif
if (size < max_code_size) {
m_v.emplace_back(x86, size, symbol);
#ifdef ENABLE_VTUNE
// mapping the full recompiler will blow up VTUNE
if (size < _16kb) {
fprintf(stderr, "map %s: %p size %d\n", symbol, (void *)x86, size);
std::string name = std::string(symbol);
iJIT_Method_Load ml;
@ -114,8 +117,10 @@ void InfoVector::map(uptr x86, u32 size, const char *symbol)
ml.method_size = size;
iJIT_NotifyEvent(iJVM_EVENT_TYPE_METHOD_LOAD_FINISHED, &ml);
}
//fprintf(stderr, "mapF %s: %p size %dKB\n", ml.method_name, ml.method_load_address, ml.method_size / 1024u);
#endif
}
}
void InfoVector::map(uptr x86, u32 size, u32 pc)
@ -125,19 +130,24 @@ void InfoVector::map(uptr x86, u32 size, u32 pc)
#endif
#ifdef ENABLE_VTUNE
std::string name = std::string(m_prefix) + "_" + std::to_string(pc);
//fprintf(stderr, "map %s: %p size %d\n", name.c_str(), (void*)x86, size);
iJIT_Method_Load ml;
iJIT_Method_Load_V2 ml;
memset(&ml, 0, sizeof(ml));
#ifdef MERGE_BLOCK_RESULT
ml.method_id = m_vtune_id;
ml.method_name = m_prefix;
#else
std::string name = std::string(m_prefix) + "_" + std::to_string(pc);
ml.method_id = iJIT_GetNewMethodID();
ml.method_name = (char *)name.c_str();
#endif
ml.method_load_address = (void *)x86;
ml.method_size = size;
iJIT_NotifyEvent(iJVM_EVENT_TYPE_METHOD_LOAD_FINISHED, &ml);
iJIT_NotifyEvent(iJVM_EVENT_TYPE_METHOD_LOAD_FINISHED_V2, &ml);
//fprintf(stderr, "mapB %s: %p size %d\n", ml.method_name, ml.method_load_address, ml.method_size);
#endif
}