123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251 |
- #include <u.h>
- #include <libc.h>
- #include <bio.h>
- #include <mach.h>
- #define Extern extern
- #include "mips.h"
- #define prof profvi
- #define Percent(num, max) (((num)*100)/(max))
- extern Inst itab[], ispec[], cop1[];
- Inst *tables[] = { itab, ispec, cop1, 0 };
- void
- isum(void)
- {
- Inst *i;
- int total, loads, stores, arith, branch, realarith;
- int useddelay, taken, mipreg, syscall;
- int ldsunused, ldsused, ltotal;
- int pct, j;
- total = 0;
- loads = 0;
- stores = 0;
- arith = 0;
- branch = 0;
- useddelay = 0;
- taken = 0;
- mipreg = 0;
- syscall = 0;
- realarith = 0;
- /* Compute the total so we can have percentages */
- for(i = itab; i->func; i++)
- if(i->name && i->count)
- total += i->count;
- for(i = ispec; i->func; i++) {
- if(i->name && i->count) {
- }
- }
- /* Compute the total so we can have percentages */
- for(j = 0; tables[j]; j++) {
- for(i = tables[j]; i->func; i++) {
- if(i->name && i->count) {
- /* Dont count floating point twice */
- if(strcmp(i->name, "cop1") == 0)
- i->count = 0;
- else
- total += i->count;
- }
- }
- }
- Bprint(bioout, "\nInstruction summary.\n\n");
- for(j = 0; tables[j]; j++) {
- for(i =tables[j]; i->func; i++) {
- if(i->name) {
- /* This is gross */
- if(strcmp(i->name, INOPINST) == 0)
- i->count -= nopcount;
- if(i->count == 0)
- continue;
- pct = Percent(i->count, total);
- if(pct != 0)
- Bprint(bioout, "%-8ud %3d%% %s\n",
- i->count, Percent(i->count,
- total), i->name);
- else
- Bprint(bioout, "%-8ud %s\n",
- i->count, i->name);
- switch(i->type) {
- default:
- fatal(0, "isum bad stype %d\n", i->type);
- case Iload:
- loads += i->count;
- break;
- case Istore:
- stores += i->count;
- break;
- case Iarith:
- arith += i->count;
- break;
- case Ibranch:
- branch += i->count;
- taken += i->taken;
- useddelay += i->useddelay;
- break;
- case Ireg:
- mipreg += i->count;
- break;
- case Isyscall:
- syscall += i->count;
- break;
- case Ifloat:
- realarith += i->count;
- break;
- }
-
- }
- }
- }
- Bprint(bioout, "\n%-8ud Memory cycles\n", loads+stores+total);
- Bprint(bioout, "%-8ud %3d%% Instruction cycles\n",
- total, Percent(total, loads+stores+total));
- Bprint(bioout, "%-8ud %3d%% Data cycles\n\n",
- loads+stores, Percent(loads+stores, loads+stores+total));
- Bprint(bioout, "%-8ud %3d%% Stores\n", stores, Percent(stores, total));
- Bprint(bioout, "%-8ud %3d%% Loads\n", loads, Percent(loads, total));
- /* Delay slots for loads/stores */
- ldsunused = nopcount-(branch-useddelay);
- ldsused = loads-ldsunused;
- ltotal = ldsused + ldsunused;
- Bprint(bioout, " %-8ud %3d%% Delay slots\n",
- ldsused, Percent(ldsused, ltotal));
- Bprint(bioout, " %-8ud %3d%% Unused delay slots\n",
- ldsunused, Percent(ldsunused, ltotal));
- Bprint(bioout, "%-8ud %3d%% Arithmetic\n",
- arith, Percent(arith, total));
- Bprint(bioout, "%-8ud %3d%% Floating point\n",
- realarith, Percent(realarith, total));
- Bprint(bioout, "%-8ud %3d%% Mips special register load/stores\n",
- mipreg, Percent(mipreg, total));
- Bprint(bioout, "%-8ud %3d%% System calls\n",
- syscall, Percent(syscall, total));
- Bprint(bioout, "%-8ud %3d%% Branches\n",
- branch, Percent(branch, total));
- Bprint(bioout, " %-8ud %3d%% Branches taken\n",
- taken, Percent(taken, branch));
- Bprint(bioout, " %-8ud %3d%% Delay slots\n",
- useddelay, Percent(useddelay, branch));
- Bprint(bioout, " %-8ud %3d%% Unused delay slots\n",
- branch-useddelay, Percent(branch-useddelay, branch));
- Bprint(bioout, "%-8ud %3d%% Program total delay slots\n",
- nopcount, Percent(nopcount, total));
- }
- void
- tlbsum(void)
- {
- if(tlb.on == 0)
- return;
- Bprint(bioout, "\n\nTlb summary\n");
- Bprint(bioout, "\n%-8d User entries\n", tlb.tlbsize);
- Bprint(bioout, "%-8d Accesses\n", tlb.hit+tlb.miss);
- Bprint(bioout, "%-8d Tlb hits\n", tlb.hit);
- Bprint(bioout, "%-8d Tlb misses\n", tlb.miss);
- Bprint(bioout, "%7d%% Hit rate\n", Percent(tlb.hit, tlb.hit+tlb.miss));
- }
- char *stype[] = { "Stack", "Text", "Data", "Bss" };
- void
- segsum(void)
- {
- Segment *s;
- int i;
- Bprint(bioout, "\n\nMemory Summary\n\n");
- Bprint(bioout, " Base End Resident References\n");
- for(i = 0; i < Nseg; i++) {
- s = &memory.seg[i];
- Bprint(bioout, "%-5s %.8lux %.8lux %-8d %-8d\n",
- stype[i], s->base, s->end, s->rss*BY2PG, s->refs);
- }
- }
- typedef struct Prof Prof;
- struct Prof
- {
- Symbol s;
- long count;
- };
- Prof prof[5000];
- int
- profcmp(void *va, void *vb)
- {
- Prof *a, *b;
- a = va;
- b = vb;
- return b->count - a->count;
- }
- void
- iprofile(void)
- {
- Prof *p, *n;
- int i, b, e;
- ulong total;
- extern ulong textbase;
- i = 0;
- p = prof;
- if(textsym(&p->s, i) == 0)
- return;
- i++;
- for(;;) {
- n = p+1;
- if(textsym(&n->s, i) == 0)
- break;
- b = (p->s.value-textbase)/PROFGRAN;
- e = (n->s.value-textbase)/PROFGRAN;
- while(b < e)
- p->count += iprof[b++];
- i++;
- p = n;
- }
- qsort(prof, i, sizeof(Prof), profcmp);
- total = 0;
- for(b = 0; b < i; b++)
- total += prof[b].count;
- Bprint(bioout, " cycles %% symbol file\n");
- for(b = 0; b < i; b++) {
- if(prof[b].count == 0)
- continue;
- Bprint(bioout, "%8ld %3ld.%ld %-15s ",
- prof[b].count,
- 100*prof[b].count/total,
- (1000*prof[b].count/total)%10,
- prof[b].s.name);
- printsource(prof[b].s.value);
- Bputc(bioout, '\n');
- }
- memset(prof, 0, sizeof(Prof)*i);
- }
|