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e419dd2799
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
54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This software may be used and distributed according to the terms of the
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* GNU General Public License version 2.
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*/
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#include "eden/fs/telemetry/StructuredLoggerFactory.h"
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#include <fb303/ServiceData.h>
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#include <folly/logging/xlog.h>
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#include "eden/fs/config/EdenConfig.h"
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#include "eden/fs/telemetry/EdenStats.h"
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#include "eden/fs/telemetry/NullStructuredLogger.h"
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#include "eden/fs/telemetry/ScubaStructuredLogger.h"
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#include "eden/fs/telemetry/SubprocessScribeLogger.h"
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namespace facebook::eden {
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std::shared_ptr<StructuredLogger> makeDefaultStructuredLogger(
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const EdenConfig& config,
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SessionInfo sessionInfo,
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EdenStatsPtr edenStats) {
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const auto& binary = config.scribeLogger.getValue();
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const auto& category = config.scribeCategory.getValue();
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if (binary.empty()) {
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return std::make_shared<NullStructuredLogger>();
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}
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if (category.empty()) {
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XLOGF(
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WARN,
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"Scribe binary '{}' specified, but no category specified. Structured logging is disabled.",
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binary);
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return std::make_shared<NullStructuredLogger>();
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}
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try {
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auto logger =
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std::make_unique<SubprocessScribeLogger>(binary.c_str(), category);
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return std::make_shared<ScubaStructuredLogger>(
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std::move(logger), std::move(sessionInfo));
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} catch (const std::exception& ex) {
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edenStats->increment(&TelemetryStats::subprocessLoggerFailure, 1);
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XLOGF(
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ERR,
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"Failed to create SubprocessScribeLogger: {}. Structured logging is disabled.",
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folly::exceptionStr(ex));
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return std::make_shared<NullStructuredLogger>();
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}
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}
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} // namespace facebook::eden
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