/*  * This file is part of the UCB release of Plan 9. It is subject to the license * terms in the LICENSE file found in the top-level directory of this * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No * part of the UCB release of Plan 9, including this file, may be copied, * modified, propagated, or distributed except according to the terms contained * in the LICENSE file. */ #include <u.h>#include <libc.h>#include <bio.h>#include <mach.h>#include "arm.h" #define Percent(num, max)	((max)?((num)*100)/(max):0)#define prof prof5i extern	Inst	itab[];Inst *tables[] = { itab, 0 }; voidisum(void){	Inst *i;	int total, mems, arith, branch;	int useddelay, taken, syscall;	int pct, j; 	total = 0;	mems = 0;	arith = 0;	branch = 0;	useddelay = 0;	taken = 0;	syscall = 0; 	/* Compute the total so we can have percentages */	for(i = itab; i->func; i++)		if(i->name && i->count)			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(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 Imem:					mems += i->count;					break;				case Iarith:					arith += i->count;					break;				case Ibranch:					branch += i->count;					taken += i->taken;					useddelay += i->useddelay;					break;				case Isyscall:					syscall += i->count;					break;				}					}		}	} 	Bprint(bioout, "\n%-8ud      Memory cycles\n", mems+total);		Bprint(bioout, "%-8ud %3d%% Instruction cycles\n",			total, Percent(total, mems+total));	Bprint(bioout, "%-8ud %3d%% Data cycles\n\n",			mems, Percent(mems, mems+total));	 	Bprint(bioout, "%-8ud %3d%% Arithmetic\n",			arith, Percent(arith, 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));} voidtlbsum(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" }; voidsegsum(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]; intprofcmp(void *va, void *vb){	Prof *a, *b; 	a = va;	b = vb;	return b->count - a->count;} voidiprofile(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);}