src/compiler-rt/test/asan/TestCases/Linux/print_memory_profile_test.cc

   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 2>&1 | FileCheck %s
   7 #include <sanitizer/common_interface_defs.h>
   8
   9 #include <stdio.h>
  10
  11 char *sink[1000];
  12
  13 int main() {
  14   int idx = 0;
  15   for (int i = 0; i < 17; i++)
  16     sink[idx++] = new char[131000];
  17   for (int i = 0; i < 28; i++)
  18     sink[idx++] = new char[24000];
  19
  20   __sanitizer_print_memory_profile(100);
  21   __sanitizer_print_memory_profile(50);
  22 }
  23
  24 // CHECK: Live Heap Allocations: {{.*}}; showing top 100%
  25 // CHECK: 2227000 byte(s) ({{.*}}%) in 17 allocation(s)
  26 // CHECK: 672000 byte(s) ({{.*}}%) in 28 allocation(s)
  27 // CHECK: Live Heap Allocations: {{.*}}; showing top 50%
  28 // CHECK: 2227000 byte(s) ({{.*}}%) in 17 allocation(s)
  29 // CHECK-NOT: 1008 byte