/*
* turn the heartbeat alive.
* right thing would be to pass counter to each subsequent timeout
* as an argument to heartbeat() incrementing every turn,
* i.e. avoiding the static hbcnt, but doing timeout_set() on each
* timeout_add() sounds ugly, guts of struct timeout looks ugly
* to ponder in even more.
*/
void
heartbeat(void *v)
{
static u_int hbcnt = 0, ocp_total, ocp_idle;
int toggle, cp_mask, cp_total, cp_idle;
timeout_add(&heartbeat_tmo, hz / 16);
cp_idle = cp_time[CP_IDLE];
cp_total = cp_time[CP_USER] + cp_time[CP_NICE] + cp_time[CP_SYS] +
cp_time[CP_INTR] + cp_time[CP_IDLE];
if (cp_total == ocp_total)
cp_total = ocp_total + 1;
if (cp_idle == ocp_idle)
cp_idle = ocp_idle + 1;
cp_mask = 0xf0 >> (cp_idle - ocp_idle) * 4 / (cp_total - ocp_total);
cp_mask &= 0xf0;
ocp_total = cp_total;
ocp_idle = cp_idle;
/*
* do this:
*
* |~| |~|
* _| |_| |_,_,_,_
* 0 1 2 3 4 6 7
*/
toggle = 0;
if (hbcnt++ < 8 && hbcnt & 1)
toggle = PALED_HEARTBEAT;
hbcnt &= 15;
ledctl(cp_mask,
(~cp_mask & 0xf0) | PALED_NETRCV | PALED_NETSND | PALED_DISK,
toggle);
}
int main(int argc, char *argv[]){
if(argc != 2){
printf("Uso: ledctl_invoke 0x[0..7]\n");
return -1;
}
int num = strtol(argv[1], NULL, 16);
if(ledctl(num) < 0){
perror("Ledctl error: ");
return -1;
}
return 0;
}
