compiler-rt/test/asan/TestCases/Linux/auto_memory_profile_test.cpp

   1 // Tests heap_profile=1.
   2 // Printing memory profiling only works in the configuration where we can
   3 // detect leaks.
   4 // REQUIRES: leak-detection
   5 //
   6 // RUN: %clangxx_asan %s -o %t
   7 // RUN: %env_asan_opts=heap_profile=1 %run %t 2>&1 | FileCheck %s
   8 #include <sanitizer/common_interface_defs.h>
   9
  10 #include <stdio.h>
  11 #include <string.h>
  12 #include <unistd.h>
  13
  14 char *sink[1000];
  15
  16 int main() {
  17
  18   for (int i = 0; i < 3; i++) {
  19     const size_t  kSize = 13000000;
  20     char *x = new char[kSize];
  21     memset(x, 0, kSize);
  22     sink[i] = x;
  23     sleep(1);
  24   }
  25 }
  26
  27 // CHECK: HEAP PROFILE at RSS
  28 // CHECK: 13000000 byte(s)
  29 // CHECK: HEAP PROFILE at RSS
  30 // CHECK: 26000000 byte(s)
  31 // CHECK: HEAP PROFILE at RSS
  32 // CHECK: 39000000 byte(s)