40 lines · cpp
1// Test to ensure that multiple rounds of dumping, using the2// __memprof_profile_reset interface to close the initial file3// and cause the profile to be reopened, works as expected.4 5// RUN: %clangxx_memprof %s -o %t6 7// RUN: rm -f %t.log.*8// RUN: %env_memprof_opts=print_text=true:log_path=%t.log %run %t9 10// Check both outputs, starting with the renamed initial dump, then remove it so11// that the second glob matches a single file.12// RUN: FileCheck %s < %t.log.*.sv13// RUN: rm -f %t.log.*.sv14// RUN: FileCheck %s < %t.log.*15// CHECK: Memory allocation stack id16 17#include <sanitizer/memprof_interface.h>18#include <stdio.h>19 20#include <stdlib.h>21#include <string.h>22#include <string>23int main(int argc, char **argv) {24 char *x = (char *)malloc(10);25 memset(x, 0, 10);26 free(x);27 __memprof_profile_dump();28 // Save the initial dump in a different file.29 std::string origname = __sanitizer_get_report_path();30 std::string svname = origname + ".sv";31 rename(origname.c_str(), svname.c_str());32 // This should cause the current file descriptor to be closed and the33 // the internal state reset so that the profile filename is reopened34 // on the next write.35 __memprof_profile_reset();36 // This will dump to origname again.37 __memprof_profile_dump();38 return 0;39}40