sapling/eden/fs/testharness/TestServerState.cpp
Chad Austin e419dd2799 remove the reference-counting overhead from DurationScope
Summary:
DurationScope has a pair of atomic reference count operations at the
beginning and end of every recorded duration. To avoid that overhead,
reference EdenStats with RefPtr and, in production EdenFS, store a
global, unowned EdenStats object.

This gives us the benefits of explicit dependencies and no global
state in tests, while avoiding atomic RMWs in the release build.

Reviewed By: xavierd

Differential Revision: D44323723

fbshipit-source-id: 1b3384d2e6a0a2959fd79774a8ba46afc4c176ca
2023-03-24 13:50:40 -07:00

50 lines
1.7 KiB
C++

/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This software may be used and distributed according to the terms of the
* GNU General Public License version 2.
*/
#include "eden/fs/testharness/TestServerState.h"
#include <folly/executors/ManualExecutor.h>
#include <memory>
#include "eden/common/utils/ProcessNameCache.h"
#include "eden/fs/config/EdenConfig.h"
#include "eden/fs/config/ReloadableConfig.h"
#include "eden/fs/inodes/ServerState.h"
#include "eden/fs/notifications/CommandNotifier.h"
#include "eden/fs/telemetry/EdenStats.h"
#include "eden/fs/telemetry/IHiveLogger.h"
#include "eden/fs/telemetry/NullStructuredLogger.h"
#include "eden/fs/testharness/FakeClock.h"
#include "eden/fs/testharness/FakePrivHelper.h"
#include "eden/fs/utils/UnboundedQueueExecutor.h"
#include "eden/fs/utils/UserInfo.h"
namespace facebook::eden {
std::shared_ptr<ServerState> createTestServerState() {
auto executor = std::make_shared<folly::ManualExecutor>();
auto edenConfig = EdenConfig::createTestEdenConfig();
auto reloadableConfig = std::make_shared<ReloadableConfig>(edenConfig);
return std::make_shared<ServerState>(
UserInfo::lookup(),
makeRefPtr<EdenStats>(),
std::make_shared<FakePrivHelper>(),
std::make_shared<UnboundedQueueExecutor>(executor),
std::make_shared<FakeClock>(),
std::make_shared<ProcessNameCache>(),
std::make_shared<NullStructuredLogger>(),
std::make_shared<NullHiveLogger>(),
std::make_shared<ReloadableConfig>(edenConfig),
*edenConfig,
nullptr,
std::make_shared<CommandNotifier>(reloadableConfig),
/*enableFaultInjection=*/true);
};
} // namespace facebook::eden