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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}
67 lines
2.4 KiB
C++
67 lines
2.4 KiB
C++
// Copyright 2015 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "sql/sql_memory_dump_provider.h"
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#include "base/trace_event/memory_dump_manager.h"
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#include "base/trace_event/process_memory_dump.h"
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#include "sql/sqlite_result_code.h"
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#include "sql/sqlite_result_code_values.h"
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#include "third_party/sqlite/sqlite3.h"
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namespace sql {
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// static
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SqlMemoryDumpProvider* SqlMemoryDumpProvider::GetInstance() {
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return base::Singleton<
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SqlMemoryDumpProvider,
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base::LeakySingletonTraits<SqlMemoryDumpProvider>>::get();
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}
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SqlMemoryDumpProvider::SqlMemoryDumpProvider() = default;
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SqlMemoryDumpProvider::~SqlMemoryDumpProvider() = default;
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bool SqlMemoryDumpProvider::OnMemoryDump(
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const base::trace_event::MemoryDumpArgs& args,
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base::trace_event::ProcessMemoryDump* pmd) {
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sqlite3_int64 memory_used = 0;
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sqlite3_int64 memory_high_water = 0;
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auto sqlite_result_code = ToSqliteResultCode(sqlite3_status64(
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SQLITE_STATUS_MEMORY_USED, &memory_used, &memory_high_water,
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/*resetFlag=*/1));
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DCHECK_EQ(sqlite_result_code, SqliteResultCode::kOk)
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<< "sqlite3_status64(SQLITE_STATUS_MEMORY_USED) failed";
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base::trace_event::MemoryAllocatorDump* dump =
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pmd->CreateAllocatorDump("sqlite");
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dump->AddScalar(base::trace_event::MemoryAllocatorDump::kNameSize,
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base::trace_event::MemoryAllocatorDump::kUnitsBytes,
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memory_used);
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dump->AddScalar("malloc_high_wmark_size",
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base::trace_event::MemoryAllocatorDump::kUnitsBytes,
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memory_high_water);
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sqlite3_int64 dummy_high_water = -1;
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sqlite3_int64 malloc_count = -1;
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sqlite_result_code = ToSqliteResultCode(sqlite3_status64(
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SQLITE_STATUS_MALLOC_COUNT, &malloc_count, &dummy_high_water,
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/*resetFlag=*/0));
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DCHECK_EQ(sqlite_result_code, SqliteResultCode::kOk)
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<< "sqlite3_status64(SQLITE_STATUS_MALLOC_COUNT) failed";
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dump->AddScalar("malloc_count",
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base::trace_event::MemoryAllocatorDump::kUnitsObjects,
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malloc_count);
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const char* system_allocator_name =
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base::trace_event::MemoryDumpManager::GetInstance()
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->system_allocator_pool_name();
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if (system_allocator_name) {
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pmd->AddSuballocation(dump->guid(), system_allocator_name);
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}
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return true;
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}
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} // namespace sql
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