1 /* 2 * Copyright (C) 2017 Red Hat, Inc. 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation; either version 2 of the License, or 7 * (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 12 * the GNU General Public License for more details. 13 */ 14 15 /* 16 * Parse the ksm0* test options in funcion parse_ksm_options(). 17 */ 18 19 #include "tst_test.h" 20 21 int merge_across_nodes; 22 23 int size = 128, num = 3, unit = 1; 24 char *opt_sizestr, *opt_numstr, *opt_unitstr; 25 26 struct tst_option ksm_options[] = { 27 {"n:", &opt_numstr, "-n Number of processes"}, 28 {"s:", &opt_sizestr, "-s Memory allocation size in MB"}, 29 {"u:", &opt_unitstr, "-u Memory allocation unit in MB"}, 30 {NULL, NULL, NULL} 31 }; 32 33 static inline void parse_ksm_options(char *str_size, int *size, 34 char *str_num, int *num, char *str_unit, int *unit) 35 { 36 if(tst_parse_int(str_size, size, 1, INT_MAX)) 37 tst_brk(TBROK, "Invalid size '%s'", str_size); 38 39 if(tst_parse_int(str_num, num, 3, INT_MAX)) 40 tst_brk(TBROK, "Invalid num '%s'", str_num); 41 42 if(tst_parse_int(str_unit, unit, 1, *size)) 43 tst_brk(TBROK, "Invalid unit '%s'", str_unit); 44 if (*size % *unit != 0) 45 tst_brk(TBROK, 46 "the remainder of division of size by unit is " 47 "not zero."); 48 } 49
