shithub: bench9

ref: 066c7e81fb7dc81494f90831b437e646de095853
dir: /main.c/

#include <u.h>
#include <libc.h>
#include <thread.h>
#include "b.h"

static void
proc(void *)
{
	threadexits(nil);
}

void
threadmain(int argc, char **argv)
{
	B *group, *b;
	uchar d[1];
	char t[64];
	int f;

	ARGBEGIN{
	}ARGEND

	snprint(t, sizeof(t), "/proc/%d/ctl", getpid());
	if((f = open(t, OWRITE)) < 0)
		fprint(2, "%r\n");
	else{
		if(write(f, "wired 0\n", 8) != 8)
			fprint(2, "failed to wire\n");
		close(f);
	}

	b = group = malloc(32 * sizeof(*b));

	f = open("/dev/null", OREAD);
	benchinit(b, "read/1");
	while(b->n > 0){
		benchin(b);
		read(f, d, 1);
		benchout(b);
	}

	b++;
	benchinit(b, "read/0");
	while(b->n > 0){
		benchin(b);
		read(f, d, 0);
		benchout(b);
	}
	close(f);

	b++;
	benchinit(b, "sin(n)");
	while(b->n > 0){
		benchin(b);
		sin(b->n);
		benchout(b);
	}

	b++;
	benchinit(b, "cos(n)");
	while(b->n > 0){
		benchin(b);
		cos(b->n);
		benchout(b);
	}

	b++;
	benchinit(b, "tan(n)");
	while(b->n > 0){
		benchin(b);
		tan(b->n);
		benchout(b);
	}

	b++;
	benchinit(b, "sleep(0)");
	while(b->n > 0){
		benchin(b);
		sleep(0);
		benchout(b);
	}

	b++;
	benchinit(b, "proccreate");
	while(b->n > 0){
		benchin(b);
		proccreate(proc, (void*)b->n, 1024);
		benchout(b);
	}

	b++;

	benchprint(group, b-group, 1);

	threadexitsall(nil);
}