compiler-rt/test/memprof/TestCases/memprof_profile_dump.cpp

   1 // RUN: %clangxx_memprof %s -o %t
   2
   3 // RUN: %env_memprof_opts=print_text=true:log_path=stdout %run %t | FileCheck --check-prefix=CHECK-TEXT %s
   4 // RUN: %env_memprof_opts=log_path=stdout %run %t > %t.memprofraw
   5 // RUN: od -c -N 8 %t.memprofraw | FileCheck --check-prefix=CHECK-RAW %s
   6
   7 #include <sanitizer/memprof_interface.h>
   8 #include <stdlib.h>
   9 #include <string.h>
  10 int main(int argc, char **argv) {
  11   char *x = (char *)malloc(10);
  12   memset(x, 0, 10);
  13   free(x);
  14   __memprof_profile_dump();
  15   x = (char *)malloc(10);
  16   memset(x, 0, 10);
  17   free(x);
  18   return 0;
  19 }
  20 // We should get 2 rounds of profile info, one from the explicit dump request,
  21 // and one at exit.
  22 //
  23 // CHECK-TEXT: Recorded MIBs (incl. live on exit):
  24 // CHECK-TEXT: Memory allocation stack id
  25 // CHECK-TEXT: Stack for id
  26 //
  27 // CHECK-TEXT: Recorded MIBs (incl. live on exit):
  28 // CHECK-TEXT: Memory allocation stack id
  29 // CHECK-TEXT: Stack for id
  30 //
  31 // For the raw profile just check the header magic. The following check assumes that memprof
  32 // runs on little endian architectures.
  33 // CHECK-RAW: 0000000 201   r   f   o   r   p   m 377