static double run_bench(
struct ilka_bench *bench,
ilka_bench_fn_t fn,
void *ctx,
size_t id,
size_t n)
{
fn(bench, ctx, id, n);
if (!bench->stopped) ilka_bench_stop(bench);
ilka_assert(bench->started, "bench_start was not called");
return bench_elapsed(bench);
}
void
bench_start(struct bench *bench)
{
struct timeval val;
(void) gettimeofday(&val, NULL);
bench->start = (struct bench_time) {
.seconds = val.tv_sec,
.microseconds = val.tv_usec,
};
}
void
bench_stop(struct bench *bench)
{
struct timeval val;
(void) gettimeofday(&val, NULL);
bench->stop = (struct bench_time) {
.seconds = val.tv_sec,
.microseconds = val.tv_usec,
};
}
void
bench_elapsed(const struct bench *bench, struct bench_time *result)
{
result->seconds = bench->stop.seconds - bench->start.seconds;
result->microseconds = bench->stop.microseconds - bench->start.microseconds;
if (result->microseconds < 0) {
result->microseconds += 1000000;
result->seconds--;
}
}
char *
bench_elapsed_str(const struct bench *bench)
{
struct bench_time elapsed;
char *buf;
int ret;
bench_elapsed(bench, &elapsed);
ret = asprintf(&buf, "%ld.%06ld", elapsed.seconds, elapsed.microseconds);
assert(ret >= 0);
return buf;
}
