#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "libmicro.h"
static int unaligned = 0;
static int opts = 100;
typedef struct {
int ts_once;
char *ts_string;
int ts_fakegcc;
} tsd_t;
int
benchmark_init()
{
lm_tsdsize = sizeof (tsd_t);
(void) sprintf(lm_optstr, "s:n");
(void) sprintf(lm_usage,
" [-s string size (default %d)]\n"
" [-n causes unaligned strlen]\n"
"notes: measures strlen()\n",
opts);
(void) sprintf(lm_header, "%8s", "size");
return (0);
}
int
benchmark_optswitch(int opt, char *optarg)
{
switch (opt) {
case 'n':
unaligned = 1;
break;
case 's':
opts = sizetoll(optarg);
break;
default:
return (-1);
}
return (0);
}
int
benchmark_initbatch(void *tsd)
{
tsd_t *ts = (tsd_t *)tsd;
static char *demo =
"The quick brown fox jumps over the lazy dog.";
if (ts->ts_once++ == 0) {
int l = strlen(demo);
int i;
ts->ts_string = malloc(opts + 1 + unaligned);
ts->ts_string += unaligned;
for (i = 0; i < opts; i++) {
ts->ts_string[i] = demo[i%l];
}
ts->ts_string[opts] = 0;
}
return (0);
}
int
benchmark(void *tsd, result_t *res)
{
int i;
tsd_t *ts = (tsd_t *)tsd;
char *src = ts->ts_string;
for (i = 0; i < lm_optB; i += 10) {
ts->ts_fakegcc += strlen(src);
ts->ts_fakegcc += strlen(src);
ts->ts_fakegcc += strlen(src);
ts->ts_fakegcc += strlen(src);
ts->ts_fakegcc += strlen(src);
ts->ts_fakegcc += strlen(src);
ts->ts_fakegcc += strlen(src);
ts->ts_fakegcc += strlen(src);
ts->ts_fakegcc += strlen(src);
ts->ts_fakegcc += strlen(src);
}
res->re_count = i;
return (0);
}
char *
benchmark_result()
{
static char result[256];
if (unaligned == 0)
(void) sprintf(result, "%8d", opts);
else
(void) sprintf(result, "%8d <unaligned>", opts);
return (result);
}