int
main(int argc, char *argv[])
{
int pids[2];
int ppid = getpid();
int r, i, j;
pids[0] = fork();
if (pids[0] == 0) {
r = settickets(2);
if (r != 0) {
printf(1, "settickets failed");
kill(ppid);
}
spin();
}
pids[1] = fork();
if (pids[1] == 0) {
r = settickets(4);
if (r != 0) {
printf(1, "settickets failed");
kill(ppid);
}
spin();
}
sleep(1000);
int lticks[] = {-1, -1};
int hticks[] = {-1, -1};
struct pstat st;
check(getpinfo(&st) == 0, "getpinfo");
for(i = 0; i < NPROC; i++) {
for(j = 0; j < 2; j++) {
if (st.inuse[i] && st.pid[i] == pids[j]) {
lticks[j] = st.lticks[i];
hticks[j] = st.hticks[i];
}
}
}
for (i = 0; i < 2; i++) {
kill(pids[i]);
wait();
}
for (i = 0; i < 2; i++) {
check(hticks[i] > 0 && lticks[i] > 0, "each process should have some hticks and lticks");
}
float ratio = (float)lticks[0] / (float)lticks[1];
printf(1, "lticks child 1: %d\n", lticks[0]);
printf(1, "lticks child 2: %d\n", lticks[1]);
check(ratio > .25 && ratio < .75, "ratio should be about 1/2");
printf(1, "TEST PASSED\n");
exit();
}
int
main(int argc, char *argv[])
{
if (argc < 3) {
printf(1, "Usage: usage ticks tickets1 [tickets2]...\n\n");
printf(1, "Spawns subprocesses, each of which will run for \n"
"approximately the given number of ticks. For each ticket\n"
"ammount given, a child process will spawn and request that\n"
"number of tickets.\n");
exit();
}
int total = 0;
int i;
for (i = 0; i < argc - 2; i++) {
total += atoi(argv[i+2]);
}
int ret = settickets(total);
if (ret < 0) {
printf(1, "settickets failed\n");
exit();
}
// pids of children
int pids[NPROC];
// spawn children
for (i = 0; i < argc - 2; i++) {
pids[i] = fork();
if (pids[i] == 0) {
int ret = settickets(atoi(argv[i + 2]));
if (ret < 0) {
printf(1, "settickets failed\n");
exit();
}
// spin so we get scheduled
while(1) {
spin();
}
}
}
// print usage info
int ticks = atoi(argv[1]);
int start = uptime();
while(uptime() < start + ticks) {
sleep(100);
printf(1, "time: %d\n", uptime() - start);
printinfo();
}
// kill children
for (i = 0; i < argc - 2; i++) {
kill(pids[i]);
wait();
}
exit();
}
int
main(int argc, char *argv[])
{
int x = settickets(23);
struct pstat *stat1;
stat1 = malloc(sizeof(*stat1));
int y = getpinfo(stat1);
int counter = 0;
for(counter = 0; counter < NPROC; counter++){
printf(1, "PID %d, \n", stat1->pid[counter]);
printf(1, "INUSE %d, \n", stat1->inuse[counter]);
printf(1, "TICKS %d, \n", stat1->ticks[counter]);
}
// = malloc(sizeof(stat1));
y = y+0;
//printf(1, x);
printf(1, "hello world %d, \n", x);
exit();
}
int main(int argc, char *argvv[]) {
//int tickettest;
struct pstat * stats;
stats = (struct pstat *) malloc(sizeof(struct pstat) * 64);
int i;
// (settickets(0) == -1) ? printf(1,"fail\n") : printf(1,"pass\n"); //you f****d
// (settickets(10) == -1) ? printf(1,"fail\n") : printf(1,"pass\n"); //you good
// (settickets(40) == -1) ? printf(1,"fail\n") : printf(1,"pass\n"); //you good
// (settickets(38) == -1) ? printf(1,"fail\n") : printf(1,"pass\n"); //you f****d
settickets(20); //you good
// (settickets(160) == -1) ? printf(1,"fail\n") : printf(1,"fpass\n"); //you f****d
//printf(1, "\n");
int runtime;
fork_kids();
printf(1,",10,30,60,90,120,150\n");
for(runtime = 0; runtime < 119 ;runtime++) {
getpinfo(stats);
printf(1,"%d,", runtime);
for(i = 0; i < 64; i++) {
if(stats[i].inuse == 1 && (stats[i].pid != 1 && stats[i].pid != 2 && stats[i].pid != 3)) {
printf(1,"%d,", stats[i].n_schedule);
}
}
printf(1, "\n");
sleep(100);
}
exit();
}
//added syscall
int
sys_settickets(void)
{
int num;
if(argint(0, &num) < 0){
return -1;
}
return settickets(num);
}
int
main(void)
{
//Adde
struct pstat ptr;
//Testing tickets syscall
if (settickets(1) == 0) {
printf(0,"Set tickets success!\r\n");
} else {
printf(0,"Set tickets failed!\r\n");
}
//Testing getpinfo
// getpinfo(ptr);
int inval = getpinfo(&ptr);
if (inval == 0) {
int i;
int max = 64;
for(i=0;i<max;i++) {
if ((ptr.inuse[i] == 0)&&(i < 10)) {
printf(0,"Proc %d not in use pid=%d, hticks = %d, lticks = %d\r\n"
,i,ptr.pid[i],ptr.hticks[i],ptr.lticks[i]);
}
if(ptr.inuse[i] == 1) {
printf(0,"Proc %d running!!! pid=%d, hticks = %d, lticks = %d\r\n"
,i,ptr.pid[i],ptr.hticks[i],ptr.lticks[i]);
} else {
//printf(0,"Proc %d not in use pid=%d, hticks = %d, lticks = %d\r\n"
// ,i,ptr.pid[i],ptr.hticks[i],ptr.lticks[i]);
}
if (i == 60) printf(0,"lotto = %d\r\n",ptr.lticks[i]);
if (i == 61) printf(0,"qlevel = %d\r\n",ptr.lticks[i]);
if (i == 62) printf(0,"tix = %d\r\n",ptr.lticks[i]);
if (i == 63) printf(0,"lo_tix= %d\r\n",ptr.lticks[i]);
if (i == 59) printf(0,"hi_tix = %d\r\n",ptr.lticks[i]);
if (i == 58) printf(0,"Second loop ran %d times\r\n",ptr.lticks[i]);
if (i == 57) printf(0,"First loop ran %d times\r\n",ptr.lticks[i]);
}
printf(0,"\r\n");
printf(0,"Print out finished \r\n");
} else {
printf(0,"Failed to call getpinfo!! \r\n");
printf(0,"fail val= %d \r\n",inval);
}
if(fork() > 0)
sleep(5); // Let child exit before parent.
exit();
}
void fork_kids() {
int i;
int rc;
for(i = 1; i < 7; i++) {
rc = fork();
if(rc == 0) {
int tmp, sum = 0;
switch (i) {
case 1:
if(settickets(10) < 0)
exit();
break;
case 2:
if(settickets(30) < 0)
exit();
break;
case 3:
if(settickets(60) < 0)
exit();
break;
case 4:
if(settickets(90) < 0)
exit();
break;
case 5:
if(settickets(120) < 0)
exit();
break;
case 6:
if(settickets(150) < 0)
exit();
break;
}
for(tmp = 0; ;tmp++) {
sum += tmp;
}
exit();
}
}
}
int
main(int argc, char **argv)
{
/*//printf(1,"getsyscallinfo is returning %d\n", getsyscallinfo()); //User program calling system call
int i;
for(i=-2; i<10; i+=1)
{
// printf(1,"Set tickets is returning %d as and we are setting %d\n", settickets(i),i);
//printf(1,"Ticket was set to %d\n")i
//
getpinfo(pt);
}
*/
struct p_info
{
int pids;
int tk;
};
struct p_info p_table[N];
int i,r,j,k;
int ppid = getpid();
for(i = 0; i < N; i++)
{
p_table[i].pids = fork();
if (p_table[i].pids == 0)
{
p_table[i].tk = i * N + N;
r = settickets(i * N + N);
if (r != 0)
{
printf(1, "settickets failed");
kill(ppid);
}
spin();
}
}
//sleep(10);
int lticks[10] ;
int hticks[10];
struct pstat st;
getpinfo(&st);
for(k = 0; i < NPROC; k++)
{
for(j = 0; j < N; j++)
{
if (st.inuse[i] && (st.pid[i] == p_table[j].pids)) {
lticks[j] = st.lticks[i];
hticks[j] = st.hticks[i];
printf(1,"pid: %d\t tickets: %d\t ltick: %d\t hticks: %d\n",p_table[j].pids, p_table[j].tk, hticks[j], lticks[j]);
}
}
}
for (i = 0; i < N; i++) {
kill(p_table[i].pids);
wait();
}
exit();
}