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#include <stdio.h>
#include <sys/time.h>
#include "fromtop.h"
void
sprint_time (char *s, time_t ti, unsigned long hz)
{
time_t t = ti / hz;
time_t centi_sec = (ti % 100) * 100 / 100;
#if 0
fprintf (stderr, "TIME: %ld - %ld - %ld - %ld\n",
(long) hz, (long) ti, (long) t, (long) centi_sec);
#endif
if (t < 0) /* time overflow */
sprintf(s, ">>d");
else if (t >= 48*60*60) /* > 2 days */
sprintf(s, "%5lud", t/(24*60*60));
else if (t >= 60*60) /* > 1 hour */
sprintf(s, "%2lu:%02uh", t/(60*60), (unsigned) ((t/60)%60));
else if (t > 60) /* > 1 minute */
sprintf(s, "%2lu:%02um", t/60, (unsigned) t%60);
else
sprintf(s, "%2lu.%02lus", t, centi_sec);
}
#if 0
void get_etime (char *s, int t, int uptime) {
/* int t;
if (stime > uptime*HZ) {
t = 0;
} else {
t = stime);
}
sprint_time_ival (s, t/HZ, 6, (t%HZ) * 100 / HZ); */
}
int shift_main (int main) {
return main >> PAGE_SHIFT;
}
int pcpu_sort (proc_t ** P, proc_t ** Q)
{
if ((*P)->pcpu < (*Q)->pcpu)
return -1;
if ((*P)->pcpu > (*Q)->pcpu)
return 1;
return 0;
}
int mem_sort (proc_t ** P, proc_t ** Q)
{
if ((*P)->resident < (*Q)->resident)
return -1;
if ((*P)->resident > (*Q)->resident)
return 1;
return 0;
}
#endif
/*
* Finds the current time (in microseconds) and calculates the time
* elapsed since the last update. This is essential for computing
* percent CPU usage.
*/
float get_elapsed_time(void)
{
struct timeval time;
struct timezone timez;
static double oldtime = 0.0;
float elapsed_time;
double newtime;
gettimeofday (&time, &timez);
newtime = ((double) time.tv_sec) + ((double) time.tv_usec / 1000000.0);
#if 0
fprintf (stderr, "ELAPSED: (%ld, %ld) - (%f, %f, %f)\n",
(long) time.tv_sec, (long) time.tv_usec,
(double) oldtime, (double) newtime,
(double) (newtime - oldtime));
#endif
elapsed_time = (float) (newtime - oldtime);
oldtime = newtime;
#if 0
fprintf (stderr, "ELAPSED: %f\n", (double) elapsed_time);
#endif
return elapsed_time;
}
char * status(proc_t* task) {
static char buf[4] = " ";
buf[0] = task->state;
if (task->rss == 0 && task->state != 'Z')
buf[1] = 'W';
else
buf[1] = ' ';
if (task->nice < 0)
buf[2] = '<';
else if (task->nice > 0)
buf[2] = 'N';
else
buf[2] = ' ';
return(buf);
}
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