1 // This test is for testing that the --threshold options in both Massif and 2 // ms_print work as they should. A threshold of 10% is a good choice for 3 // this file, because in some parts of the tree it renders all children 4 // insignificant, and in others parts of the tree it renders only some 5 // children insignificant. 6 // 7 // Also, it's deliberate that the 'malloc(2000)' and 'my_malloc1(500)' calls 8 // are in 'main' -- at one point, ms_print was failing to connect some 9 // children arrows when a more significant child didn't have any children of 10 // its own, eg: 11 // 12 // | 13 // ->20.00% (2000B) 0x804846A: main (thresholds.c:43) 14 // 15 // ->13.00% (1300B) 0x80483A4: my_malloc2 (thresholds.c:16) 16 // 17 // (There must be a '|' between the '->'s.) 18 19 #include <stdlib.h> 20 my_malloc1(int n)21void my_malloc1(int n) 22 { 23 malloc(n); 24 } 25 my_malloc2(int n)26void my_malloc2(int n) 27 { 28 malloc(n); 29 } 30 my_malloc3(int n)31void my_malloc3(int n) 32 { 33 malloc(n); 34 } 35 a7550(void)36void a7550(void) 37 { 38 my_malloc1(48000); 39 my_malloc2( 7200); 40 } 41 a450(void)42void a450(void) 43 { 44 my_malloc2(2400); 45 my_malloc1( 800); 46 my_malloc2( 800); 47 my_malloc1( 400); 48 } 49 main(void)50int main(void) 51 { 52 a7550(); 53 a450(); 54 my_malloc1(4000); // All sizes are divisible by 16 -- no slop. 55 malloc(16000); 56 my_malloc3(400); 57 return 0; 58 } 59