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src/sql/sql_memory_dump_provider.cc
Avi Drissman 69b874fee0 Update copyright headers in sql/, storage/
The methodology used to generate this CL is documented in
https://crbug.com/1098010#c95.

No-Try: true
Bug: 1098010
Change-Id: I68bb81a4dcae37f944f4d8cd39d82ed540364615
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3899461
Reviewed-by: Mark Mentovai <mark@chromium.org>
Commit-Queue: Mark Mentovai <mark@chromium.org>
Auto-Submit: Avi Drissman <avi@chromium.org>
Owners-Override: Avi Drissman <avi@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1047607}
2022-09-15 19:11:14 +00:00

67 lines
2.4 KiB
C++

// Copyright 2015 The Chromium Authors
// 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 "sql/sqlite_result_code.h"
#include "sql/sqlite_result_code_values.h"
#include "third_party/sqlite/sqlite3.h"
namespace sql {
// static
SqlMemoryDumpProvider* SqlMemoryDumpProvider::GetInstance() {
return base::Singleton<
SqlMemoryDumpProvider,
base::LeakySingletonTraits<SqlMemoryDumpProvider>>::get();
}
SqlMemoryDumpProvider::SqlMemoryDumpProvider() = default;
SqlMemoryDumpProvider::~SqlMemoryDumpProvider() = default;
bool SqlMemoryDumpProvider::OnMemoryDump(
const base::trace_event::MemoryDumpArgs& args,
base::trace_event::ProcessMemoryDump* pmd) {
sqlite3_int64 memory_used = 0;
sqlite3_int64 memory_high_water = 0;
auto sqlite_result_code = ToSqliteResultCode(sqlite3_status64(
SQLITE_STATUS_MEMORY_USED, &memory_used, &memory_high_water,
/*resetFlag=*/1));
DCHECK_EQ(sqlite_result_code, SqliteResultCode::kOk)
<< "sqlite3_status64(SQLITE_STATUS_MEMORY_USED) failed";
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);
sqlite3_int64 dummy_high_water = -1;
sqlite3_int64 malloc_count = -1;
sqlite_result_code = ToSqliteResultCode(sqlite3_status64(
SQLITE_STATUS_MALLOC_COUNT, &malloc_count, &dummy_high_water,
/*resetFlag=*/0));
DCHECK_EQ(sqlite_result_code, SqliteResultCode::kOk)
<< "sqlite3_status64(SQLITE_STATUS_MALLOC_COUNT) failed";
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