ref: 5611a46d8fb04ec3fd60c05a1486743cea98a311
dir: /libinterp/heapaudit.c/
#include "lib9.h" #include "interp.h" #include "pool.h" typedef struct Audit Audit; struct Audit { Type* t; ulong n; ulong size; Audit* hash; }; Audit* ahash[128]; extern Pool* heapmem; extern void conslog(char*, ...); #define conslog print typedef struct Typed Typed; typedef struct Ptyped Ptyped; extern Type Trdchan; extern Type Twrchan; struct Typed { char* name; Type* ptr; } types[] = { {"array", &Tarray}, {"byte", &Tbyte}, {"channel", &Tchannel}, {"list", &Tlist}, {"modlink", &Tmodlink}, {"ptr", &Tptr}, {"string", &Tstring}, {"rdchan", &Trdchan}, {"wrchan", &Twrchan}, {"unspec", nil}, 0 }; extern Type* TDisplay; extern Type* TFont; extern Type* TImage; extern Type* TScreen; extern Type* TFD; extern Type* TFileIO; extern Type* Tread; extern Type* Twrite; extern Type* fakeTkTop; extern Type* TSigAlg; extern Type* TCertificate; extern Type* TSK; extern Type* TPK; extern Type* TDigestState; extern Type* TAuthinfo; extern Type* TDESstate; extern Type* TIPint; struct Ptyped { char* name; Type** ptr; } ptypes[] = { {"Display", &TDisplay}, {"Font", &TFont}, {"Image", &TImage}, {"Screen", &TScreen}, {"SigAlg", &TSigAlg}, {"Certificate", &TCertificate}, {"SK", &TSK}, {"PK", &TPK}, {"DigestState", &TDigestState}, {"Authinfo", &TAuthinfo}, {"DESstate", &TDESstate}, {"IPint", &TIPint}, {"FD", &TFD}, {"FileIO", &TFileIO}, /* {"Fioread", &Tread}, */ /* {"Fiowrite", &Twrite}, */ {"TkTop", &fakeTkTop}, 0 }; static Audit ** auditentry(Type *t) { Audit **h, *a; for(h = &ahash[((ulong)t>>2)%nelem(ahash)]; (a = *h) != nil; h = &a->hash) if(a->t == t) break; return h; } void heapaudit(void) { Type *t; Heap *h; List *l; Array *r; Module *m; int i, ntype, n; Bhdr *b, *base, *limit; Audit *a, **hash; acquire(); b = poolchain(heapmem); base = b; limit = B2LIMIT(b); while(b != nil) { if(b->magic == MAGIC_A) { h = B2D(b); t = h->t; n = 1; if(t == &Tlist) { l = H2D(List*, h); t = l->t; } else if(t == &Tarray) { r = H2D(Array*, h); t = r->t; n = r->len; } hash = auditentry(t); if((a = *hash) == nil){ a = malloc(sizeof(Audit)); if(a == nil) continue; a->n = 1; a->t = t; a->hash = *hash; *hash = a; }else a->n++; if(t != nil && t != &Tmodlink && t != &Tstring) a->size += t->size*n; else a->size += b->size; } b = B2NB(b); if(b >= limit) { base = base->clink; if(base == nil) break; b = base; limit = B2LIMIT(base); } } for(m = modules; m != nil; m = m->link) { for(i = 0; i < m->ntype; i++) if((a = *auditentry(m->type[i])) != nil) { conslog("%8ld %8lud %3d %s\n", a->n, a->size, i, m->path); a->size = 0; break; } } for(i = 0; (t = types[i].ptr) != nil; i++) if((a = *auditentry(t)) != nil){ conslog("%8ld %8lud %s\n", a->n, a->size, types[i].name); a->size = 0; break; } for(i = 0; ptypes[i].name != nil; i++) if((a = *auditentry(*ptypes[i].ptr)) != nil){ conslog("%8ld %8lud %s\n", a->n, a->size, ptypes[i].name); a->size = 0; break; } ntype = 0; for(i = 0; i < nelem(ahash); i++) while((a = ahash[i]) != nil){ ahash[i] = a->hash; if(a->size != 0) conslog("%8ld %8lud %p\n", a->n, a->size, a->t); free(a); ntype++; } release(); }