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This commit is contained in:
Eelco Dolstra 2019-04-24 13:46:34 +02:00
parent 80accdcebe
commit 14f7a60755
2 changed files with 10 additions and 1 deletions
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7
src/libexpr/gc.cc
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@ -44,7 +44,10 @@ GC::GC()
GC::~GC() GC::~GC()
{ {
debug("allocated %d bytes in total", totalSize * WORD_SIZE); printInfo("%d bytes in arenas, %d bytes allocated, %d bytes reclaimed by GC",
totalSize * WORD_SIZE,
allTimeWordsAllocated * WORD_SIZE,
allTimeWordsFreed * WORD_SIZE);
size_t n = 0; size_t n = 0;
for (Ptr<Object> * p = frontPtrSentinel->next; p != backPtrSentinel; p = p->next) for (Ptr<Object> * p = frontPtrSentinel->next; p != backPtrSentinel; p = p->next)
@ -250,6 +253,8 @@ void GC::gc()
debug("freed %d bytes in %d dead objects, keeping %d objects", debug("freed %d bytes in %d dead objects, keeping %d objects",
totalWordsFreed * WORD_SIZE, totalObjectsFreed, marked); totalWordsFreed * WORD_SIZE, totalObjectsFreed, marked);
allTimeWordsFreed += totalWordsFreed;
} }
std::pair<size_t, size_t> GC::freeUnmarked(Arena & arena) std::pair<size_t, size_t> GC::freeUnmarked(Arena & arena)

4
src/libexpr/gc.hh
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@ -188,6 +188,9 @@ private:
std::array<FreeList, 8> freeLists; std::array<FreeList, 8> freeLists;
size_t allTimeWordsAllocated = 0;
size_t allTimeWordsFreed = 0;
Object * allocObject(size_t size) Object * allocObject(size_t size)
{ {
assert(size >= 2); assert(size >= 2);
@ -255,6 +258,7 @@ public:
Ptr<T> alloc(size_t size, const Args & ... args) Ptr<T> alloc(size_t size, const Args & ... args)
{ {
auto raw = allocObject(size); auto raw = allocObject(size);
allTimeWordsAllocated += size;
return new (raw) T(args...); return new (raw) T(args...);
} }