6  *  NOTE: This is a meta-test which cranks the ADJ_FREQ knob and
8  *  that the raw_skew, inconsistency-check and nanosleep tests be
12  *	$ gcc change_skew.c -o change_skew -lrt
35 	struct timex tx;  in change_skew_test()  local
38 	tx.modes = ADJ_FREQUENCY;  in change_skew_test()
39 	tx.freq = ppm << 16;  in change_skew_test()
41 	ret = adjtimex(&tx);  in change_skew_test()
43 		printf("Error adjusting freq\n");  in change_skew_test()
48 	ret |= system("./inconsistency-check");  in change_skew_test()
57 	struct timex tx;  in main()  local
60 	int ppm[5] = {0, 250, 500, -250, -500};  in main()
63 	ret = system("killall -9 ntpd");  in main()
66 	tx.modes = ADJ_OFFSET;  in main()
67 	tx.offset = 0;  in main()
68 	ret = adjtimex(&tx);  in main()
72 		return -1;  in main()
83 	tx.modes = ADJ_FREQUENCY;  in main()
84 	tx.offset = 0;  in main()
85 	adjtimex(&tx);  in main()