1 // Printing memory profiling only works in the configuration where we can
2 // detect leaks.
3 // REQUIRES: leak-detection
4 //
5 // RUN: %clangxx_asan %s -o %t
6 // RUN: %run %t 100 10 2>&1 | FileCheck %s --check-prefix=CHECK-100-10
7 // RUN: %run %t 100 1  2>&1 | FileCheck %s --check-prefix=CHECK-100-1
8 // RUN: %run %t 50  10 2>&1 | FileCheck %s --check-prefix=CHECK-50-10
9 #include <sanitizer/common_interface_defs.h>
10 
11 #include <stdio.h>
12 #include <stdlib.h>
13 
14 char *sink[1000];
15 
16 int main(int argc, char **argv) {
17   if (argc < 3)
18     return 1;
19 
20   int idx = 0;
21   for (int i = 0; i < 17; i++)
22     sink[idx++] = new char[131000];
23   for (int i = 0; i < 28; i++)
24     sink[idx++] = new char[24000];
25 
26   __sanitizer_print_memory_profile(atoi(argv[1]), atoi(argv[2]));
27 }
28 
29 // CHECK-100-10: Live Heap Allocations: {{.*}}; showing top 100% (at most 10 unique contexts)
30 // CHECK-100-10: 2227000 byte(s) ({{.*}}%) in 17 allocation(s)
31 // CHECK-100-10: 672000 byte(s) ({{.*}}%) in 28 allocation(s)
32 
33 // CHECK-100-1: Live Heap Allocations: {{.*}}; showing top 100% (at most 1 unique contexts)
34 // CHECK-100-1: 2227000 byte(s) ({{.*}}%) in 17 allocation(s)
35 // CHECK-100-1-NOT: allocation
36 
37 // CHECK-50-10: Live Heap Allocations: {{.*}}; showing top 50% (at most 10 unique contexts)
38 // CHECK-50-10: 2227000 byte(s) ({{.*}}%) in 17 allocation(s)
39 // CHECK-50-10-NOT: allocation
40