uCBQN/src/core/heap.c

114 lines
3.0 KiB
C

#include "../core.h"
#if HEAP_VERIFY
u32 heapVerify_mode = -1;
Value* heap_observed;
Value* heap_curr;
void heapVerify_checkFn(Value* v) {
if (v->refc!=0) {
#if OBJ_COUNTER
printf("delta %d for %s @ %p, uid "N64d": ", v->refc, type_repr(v->type), v, v->uid);
#else
printf("delta %d for %s @ %p: ", (i32)v->refc, type_repr(v->type), v);
#endif
heap_observed = v;
printI(tag(v,OBJ_TAG)); putchar('\n');
}
}
void gc_visitRoots(void);
void gcv2_runHeapverify(i32);
void cbqn_heapVerify() {
heap_observed = 0;
gcv2_runHeapverify(0);
mm_forHeap(heapVerify_checkFn);
gcv2_runHeapverify(1);
if (heap_observed) printf("refc of last: %d\n", heap_observed->refc);
heapVerify_mode=-1;
}
#endif
static u64 heap_PICounts[t_COUNT];
static u64 heap_PISizes[t_COUNT];
NOINLINE void heap_PIFn(Value* v) {
heap_PICounts[PTY(v)]++;
heap_PISizes[PTY(v)]+= mm_size(v);
}
static u64 heap_PIFreed[128];
void heap_PIFreedFn(Value* v) {
heap_PIFreed[v->mmInfo&127]++;
}
void mm_forFreedHeap(V2v f);
void heap_printInfo(bool sizes, bool types, bool freed, bool chain) {
u64 total = mm_heapAlloc;
u64 used = mm_heapUsed();
fprintf(stderr, "RAM allocated: "N64u"\n", total);
fprintf(stderr, "heap in use: "N64u"\n", used);
#if MM!=0
if (sizes) {
for (i32 i = 2; i < 64; i++) {
for (i32 j = 0; j < MM; j++) {
i32 o = i-j;
u64 count = mm_ctrs[o + j*64];
if (count>0) fprintf(stderr, "size %llu: "N64u"\n", (1ULL<<o)*(j?3:1), count);
}
}
}
if (types) {
for (i32 i = 0; i < t_COUNT; i++) heap_PICounts[i] = heap_PISizes[i] = 0;
mm_forHeap(heap_PIFn);
for (i32 i = 0; i < t_COUNT; i++) {
u64 count = heap_PICounts[i];
if (count>0) fprintf(stderr, "type %d/%s: count "N64u", total size "N64u"\n", i, type_repr(i), count, heap_PISizes[i]);
}
}
if (freed || chain) {
if (freed) {
for (i32 i = 0; i < MM*64; i++) heap_PIFreed[i] = 0;
mm_forFreedHeap(heap_PIFreedFn);
}
for (i32 i = 2; i < 64; i++) {
for (i32 j = 0; j < MM; j++) {
i32 o = i-j;
u64 cf=0, cc=0;
if (freed) {
cf = heap_PIFreed[o + j*64];
}
if (chain) {
i32 b = j*64 + i;
if (mm_buckets[b]) {
EmptyValue* p = mm_buckets[b];
while (p) { cc++; p = p->next; }
}
}
if (cf!=0 || cc!=0) {
if (chain && freed) fprintf(stderr, "freed size %llu: count "N64u", chain "N64u"\n", (1ULL<<o)*(j?3:1), cf, cc);
else fprintf(stderr, "freed size %llu: "N64u"\n", (1ULL<<o)*(j?3:1), freed? cf : cc);
}
}
}
}
#endif
fflush(stderr);
}
void heap_printInfoStr(char* str) {
bool sizes=0, types=0;
i32 freed=0;
char c;
while ((c=*(str++)) != 0) {
if (c=='t') types=1;
if (c=='s') sizes=1;
if (c=='f') freed++;
}
heap_printInfo(sizes, types, freed!=0, freed>=2);
}