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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "sql/sql_memory_dump_provider.h"
#include "base/trace_event/memory_dump_manager.h"
#include "base/trace_event/process_memory_dump.h"
#include "third_party/sqlite/sqlite3.h"
namespace sql {
// static
SqlMemoryDumpProvider* SqlMemoryDumpProvider::GetInstance() {
return base::Singleton<
SqlMemoryDumpProvider,
base::LeakySingletonTraits<SqlMemoryDumpProvider>>::get();
}
SqlMemoryDumpProvider::SqlMemoryDumpProvider() {}
SqlMemoryDumpProvider::~SqlMemoryDumpProvider() {}
bool SqlMemoryDumpProvider::OnMemoryDump(
const base::trace_event::MemoryDumpArgs& args,
base::trace_event::ProcessMemoryDump* pmd) {
int memory_used = 0;
int memory_high_water = 0;
int status = sqlite3_status(SQLITE_STATUS_MEMORY_USED, &memory_used,
&memory_high_water, 1 /*resetFlag */);
if (status != SQLITE_OK)
return false;
base::trace_event::MemoryAllocatorDump* dump =
pmd->CreateAllocatorDump("sqlite");
dump->AddScalar(base::trace_event::MemoryAllocatorDump::kNameSize,
base::trace_event::MemoryAllocatorDump::kUnitsBytes,
memory_used);
dump->AddScalar("malloc_high_wmark_size",
base::trace_event::MemoryAllocatorDump::kUnitsBytes,
memory_high_water);
int dummy_high_water = -1;
int malloc_count = -1;
status = sqlite3_status(SQLITE_STATUS_MALLOC_COUNT, &malloc_count,
&dummy_high_water, 0 /* resetFlag */);
if (status == SQLITE_OK) {
dump->AddScalar("malloc_count",
base::trace_event::MemoryAllocatorDump::kUnitsObjects,
malloc_count);
}
const char* system_allocator_name =
base::trace_event::MemoryDumpManager::GetInstance()
->system_allocator_pool_name();
if (system_allocator_name) {
pmd->AddSuballocation(dump->guid(), system_allocator_name);
}
return true;
}
} // namespace sql
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