mirror of
https://github.com/facebook/sapling.git
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43f27195b6
Summary: Modified `TreeInode::unloadChildrenNow` such that inodes are unloaded whose age is greater than a specific age. Reviewed By: simpkins Differential Revision: D5526137 fbshipit-source-id: 91e2364d55e31befedcf43d98c26467e1a472ef9
91 lines
2.9 KiB
C++
91 lines
2.9 KiB
C++
/*
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* Copyright (c) 2004-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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*/
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#include "eden/fs/utils/TimeUtil.h"
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#include <folly/Format.h>
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namespace facebook {
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namespace eden {
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std::string durationStr(std::chrono::nanoseconds duration) {
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using namespace std::chrono_literals;
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// This code is good enough for our use case of generating human-readable
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// times in log messages. In the future we could probably be smarter at
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// deciding how much precision to show in the output.
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if (duration < 1us) {
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return folly::sformat("{}ns", duration.count());
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} else if (duration < 1ms) {
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return folly::sformat("{:.3}us", duration.count() / 1000.0);
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} else if (duration < 1s) {
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return folly::sformat("{:.3}ms", duration.count() / 1000000.0);
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} else if (duration < 1min) {
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return folly::sformat("{:.3}s", duration.count() / 1000000000.0);
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} else if (duration < 1h) {
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auto minutes = std::chrono::duration_cast<std::chrono::minutes>(duration);
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auto remainder = duration - minutes;
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return folly::sformat(
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"{}m{:.3}s", minutes.count(), remainder.count() / 1000000000.0);
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} else if (duration < 24h) {
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auto hours = std::chrono::duration_cast<std::chrono::hours>(duration);
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auto remainder = duration - hours;
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auto minutes = std::chrono::duration_cast<std::chrono::minutes>(remainder);
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remainder -= minutes;
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return folly::sformat(
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"{}h{}m{:.3}s",
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hours.count(),
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minutes.count(),
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remainder.count() / 1000000000.0);
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} else {
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using days_type =
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std::chrono::duration<std::chrono::hours::rep, std::ratio<86400>>;
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auto remainder = duration;
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auto days = std::chrono::duration_cast<days_type>(remainder);
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remainder -= days;
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auto hours = std::chrono::duration_cast<std::chrono::hours>(remainder);
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remainder -= hours;
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auto minutes = std::chrono::duration_cast<std::chrono::minutes>(remainder);
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remainder -= minutes;
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return folly::sformat(
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"{}d{:02}h{:02}m{:.3}s",
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days.count(),
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hours.count(),
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minutes.count(),
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remainder.count() / 1000000000.0);
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}
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}
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// Set of all the Comparision operators for comparing two timespec structs.
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bool operator<(const timespec& a, const timespec& b) {
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CHECK_LT(a.tv_nsec, 1000000000);
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CHECK_LT(b.tv_nsec, 1000000000);
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if (a.tv_sec == b.tv_sec) {
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return a.tv_nsec < b.tv_nsec;
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} else {
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return a.tv_sec < b.tv_sec;
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}
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}
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bool operator<=(const timespec& a, const timespec& b) {
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CHECK_LT(a.tv_nsec, 1000000000);
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CHECK_LT(b.tv_nsec, 1000000000);
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if (a.tv_sec == b.tv_sec) {
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return a.tv_nsec <= b.tv_nsec;
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} else {
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return a.tv_sec < b.tv_sec;
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}
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}
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}
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}
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