ref: 2d221e61e3820a007ff2204adb73ad3ab27010c6
dir: /sys/src/cmd/qi/stats.c/
#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); }