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#include <u.h>
#include <libc.h>
#include <bio.h>
#include <mach.h>
#define Extern extern
#include "power.h"
#define prof profqi
#define Percent(num, max) (int)(((vlong)(num)*100)/(max))
Inset *tables[] = { &ops0, &ops19, &ops31, &ops59, &ops63a, &ops63b, 0 };
void
isum(void)
{
Inst *i;
int pct, j, k;
int total, loads, stores, arith, branch;
int taken, powerreg, syscall, realarith, control;
total = 0;
loads = 0;
stores = 0;
arith = 0;
branch = 0;
taken = 0;
powerreg = 0;
syscall = 0;
realarith = 0;
control = 0;
/* Compute the total so we can have percentages */
for(j = 0; tables[j]; j++)
for(k = tables[j]->nel; --k >= 0;) {
i = &tables[j]->tab[k];
if(i->name && i->func)
total += i->count;
}
Bprint(bioout, "\nInstruction summary.\n\n");
for(j = 0; tables[j]; j++) {
for(k =tables[j]->nel; --k>=0; ) {
i = &tables[j]->tab[k];
if(i->name && i->func) {
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 Ilog:
case Iarith:
arith += i->count;
break;
case Ibranch:
branch += i->count;
taken += i->taken;
break;
case Ireg:
powerreg += i->count;
break;
case Isyscall:
syscall += i->count;
break;
case Ifloat:
realarith += i->count;
break;
case Inop:
arith += i->count;
i->count -= nopcount;
break;
case Icontrol:
control += i->count;
break;
}
}
}
}
Bprint(bioout, "\n%-8ud Memory cycles\n", loads+stores+total);
if(total == 0)
return;
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));
Bprint(bioout, " %-8ud Store stall\n", stores*2);
Bprint(bioout, " %-8lud Load stall\n", loadlock);
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%% PowerPC special register load/stores\n",
powerreg, Percent(powerreg, total));
Bprint(bioout, "%-8ud %3d%% PowerPC control instructions\n",
control, Percent(control, 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));
}
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 *a, void *b)
{
return ((Prof*)b)->count - ((Prof*)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);
}
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