/// Update the CPU time for all jobs.
void proc_update_jiffies() {
job_t *job;
job_iterator_t j;
for (job = j.next(); job; job = j.next()) {
for (process_ptr_t &p : job->processes) {
gettimeofday(&p->last_time, 0);
p->last_jiffies = proc_get_jiffies(p.get());
}
}
}
/// Update the CPU time for all jobs.
void proc_update_jiffies() {
job_t *job;
process_t *p;
job_iterator_t j;
for (job = j.next(); job; job = j.next()) {
for (p = job->first_process; p; p = p->next) {
gettimeofday(&p->last_time, 0);
p->last_jiffies = proc_get_jiffies(p);
}
}
}
/// Calculates the cpu usage (in percent) of the specified job.
static int cpu_use(const job_t *j) {
double u = 0;
for (const process_ptr_t &p : j->processes) {
struct timeval t;
int jiffies;
gettimeofday(&t, 0);
jiffies = proc_get_jiffies(p.get());
double t1 = 1000000.0 * p->last_time.tv_sec + p->last_time.tv_usec;
double t2 = 1000000.0 * t.tv_sec + t.tv_usec;
// fwprintf( stderr, L"t1 %f t2 %f p1 %d p2 %d\n", t1, t2, jiffies, p->last_jiffies );
u += ((double)(jiffies - p->last_jiffies)) / (t2 - t1);
}
return u * 1000000;
}
/**
Calculates the cpu usage (in percent) of the specified job.
*/
static int cpu_use( job_t *j )
{
double u=0;
process_t *p;
for( p=j->first_process; p; p=p->next )
{
struct timeval t;
int jiffies;
gettimeofday( &t, 0 );
jiffies = proc_get_jiffies( p );
double t1 = 1000000.0*p->last_time.tv_sec+p->last_time.tv_usec;
double t2 = 1000000.0*t.tv_sec+t.tv_usec;
/* fwprintf( stderr, L"t1 %f t2 %f p1 %d p2 %d\n",
t1, t2, jiffies, p->last_jiffies );
*/
u += ((double)(jiffies-p->last_jiffies))/(t2-t1);
}
return u*1000000;
}