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

   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