sample code for pstat_getproc()

1 test_pstat_getproc.c

/* test_pstat_getproc.c */
#include <stdio.h>
#include <unistd.h>
#include <sys/pstat.h>

int main() {
    struct pst_status buf;

    if(pstat_getproc(&buf, sizeof(buf), 0, getpid()) != 1) {
        perror("pstat_getproc()");
        return -1;
    }

    printf("++++++++++----------++++++++++----------++++++++++----------\n");

    printf("# real pages used for data = %d\n", buf.pst_dsize);
    printf("# real pages used for text = %d\n", buf.pst_tsize);
    printf("# real pages used for stack = %d\n", buf.pst_ssize);

    printf("address of process (in memory) = 0x%8.8x\n", buf.pst_addr);
    printf("processor utilization for scheduling = %d\n", buf.pst_cpu);
    printf("user time spent executing (in seconds) = %d\n", buf.pst_utime);
    printf("system time spent executing (in seconds) = %d\n", buf.pst_stime);
    printf("%cpu for this process(smoothed) = %f\n", buf.pst_pctcpu);

    printf("clock ticks left in process RR timeslice = %d\n", buf.pst_ticksleft);

    return 0;
}