fprintf(stderr," -1 usr only cpu timer intervals (sigvtalrm)\n");
fprintf(stderr," -2 real time timer intervals (sigalrm)\n");
fprintf(stderr," -u profile timer interval in usecs\n");
fprintf(stderr," -1 usr only cpu timer intervals (sigvtalrm)\n");
fprintf(stderr," -2 real time timer intervals (sigalrm)\n");
fprintf(stderr," -u profile timer interval in usecs\n");