mirror of
https://github.com/facebook/sapling.git
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0b9c2fb148
Summary: Histograms are memory intensive and require specifying fixed buckets for instantiation. Reviewed By: chadaustin Differential Revision: D26315631 fbshipit-source-id: 6ce5459b8c1c6c25d84285baf96df55ce9119b1a
62 lines
1.7 KiB
C++
62 lines
1.7 KiB
C++
/*
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* Copyright (c) Facebook, Inc. and its 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/inodes/RequestContext.h"
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#include <folly/logging/xlog.h>
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#include "eden/fs/notifications/Notifications.h"
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#include "eden/fs/telemetry/RequestMetricsScope.h"
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#include "eden/fs/utils/SystemError.h"
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using namespace std::chrono;
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namespace facebook::eden {
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void RequestContext::startRequest(
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EdenStats* stats,
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ChannelThreadStats::StatPtr stat,
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std::shared_ptr<RequestMetricsScope::LockedRequestWatchList>&
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requestWatches) {
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startTime_ = steady_clock::now();
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XDCHECK(latencyStat_ == nullptr);
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latencyStat_ = stat;
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stats_ = stats;
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channelThreadLocalStats_ = requestWatches;
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if (channelThreadLocalStats_) {
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requestMetricsScope_ = RequestMetricsScope(channelThreadLocalStats_.get());
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}
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}
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void RequestContext::finishRequest() {
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const auto now = steady_clock::now();
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const auto diff = now - startTime_;
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const auto diff_us = duration_cast<microseconds>(diff);
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const auto diff_ns = duration_cast<nanoseconds>(diff);
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stats_->getChannelStatsForCurrentThread().recordLatency(
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latencyStat_, diff_us);
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latencyStat_ = nullptr;
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stats_ = nullptr;
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if (channelThreadLocalStats_) {
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{ auto temp = std::move(requestMetricsScope_); }
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channelThreadLocalStats_.reset();
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}
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if (auto pid = getClientPid(); pid.has_value()) {
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if (getEdenTopStats().didImportFromBackingStore()) {
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auto type = ProcessAccessLog::AccessType::FsChannelBackingStoreImport;
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pal_.recordAccess(*pid, type);
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}
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pal_.recordDuration(*pid, diff_ns);
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}
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}
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} // namespace facebook::eden
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