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cleanup and untangle sampling-test from tcmalloc guts

This commit is contained in:
Aliaksey Kandratsenka 2024-02-25 17:53:30 -05:00
parent 9381dd0b19
commit 5f9eb91129
1 changed files with 7 additions and 14 deletions
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21
src/tests/sampling_test.cc
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@ -47,19 +47,12 @@
#include "gperftools/malloc_extension.h"
#include "tests/testutil.h"
using std::string;
extern "C" void* AllocateAllocate() ATTRIBUTE_NOINLINE;
extern "C" void* AllocateAllocate() {
// The VLOG's are mostly to discourage inlining
VLOG(1, "Allocating some more");
void* p = (noopt(malloc))(10000);
VLOG(1, "Done allocating");
return p;
extern "C" ATTRIBUTE_NOINLINE
void* AllocateAllocate() {
return noopt(malloc(10000));
}
static void WriteStringToFile(const string& s, const string& filename) {
static void WriteStringToFile(std::string_view s, const std::string& filename) {
FILE* fp = fopen(filename.c_str(), "w");
fwrite(s.data(), 1, s.length(), fp);
fclose(fp);
@ -74,13 +67,13 @@ int main(int argc, char** argv) {
AllocateAllocate();
}
string s;
std::string s;
MallocExtension::instance()->GetHeapSample(&s);
WriteStringToFile(s, string(argv[1]) + ".heap");
WriteStringToFile(s, std::string(argv[1]) + ".heap");
s.clear();
MallocExtension::instance()->GetHeapGrowthStacks(&s);
WriteStringToFile(s, string(argv[1]) + ".growth");
WriteStringToFile(s, std::string(argv[1]) + ".growth");
return 0;
}