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This commit is contained in:
Ian Gulliver
151
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151
.clang-format
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@@ -0,0 +1,151 @@
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---
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Language: Cpp
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# BasedOnStyle: Google
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AccessModifierOffset: -1
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AlignAfterOpenBracket: Align
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AlignConsecutiveAssignments: false
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AlignConsecutiveDeclarations: false
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AlignEscapedNewlines: Left
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AlignOperands: true
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AlignTrailingComments: true
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AllowAllParametersOfDeclarationOnNextLine: true
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AllowShortBlocksOnASingleLine: false
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AllowShortCaseLabelsOnASingleLine: false
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AllowShortFunctionsOnASingleLine: All
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AllowShortIfStatementsOnASingleLine: true
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AllowShortLoopsOnASingleLine: true
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AlwaysBreakAfterDefinitionReturnType: None
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AlwaysBreakAfterReturnType: None
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AlwaysBreakBeforeMultilineStrings: true
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AlwaysBreakTemplateDeclarations: Yes
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BinPackArguments: true
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BinPackParameters: true
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BraceWrapping:
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AfterClass: false
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AfterControlStatement: false
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AfterEnum: false
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AfterFunction: false
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AfterNamespace: false
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AfterObjCDeclaration: false
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AfterStruct: false
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AfterUnion: false
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AfterExternBlock: false
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BeforeCatch: false
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BeforeElse: false
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IndentBraces: false
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SplitEmptyFunction: true
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SplitEmptyRecord: true
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SplitEmptyNamespace: true
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BreakBeforeBinaryOperators: None
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BreakBeforeBraces: Attach
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BreakBeforeInheritanceComma: false
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BreakInheritanceList: BeforeColon
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BreakBeforeTernaryOperators: true
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BreakConstructorInitializersBeforeComma: false
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BreakConstructorInitializers: BeforeColon
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BreakAfterJavaFieldAnnotations: false
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BreakStringLiterals: true
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ColumnLimit: 80
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CommentPragmas: '^ IWYU pragma:'
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CompactNamespaces: false
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ConstructorInitializerAllOnOneLineOrOnePerLine: true
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ConstructorInitializerIndentWidth: 4
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ContinuationIndentWidth: 4
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Cpp11BracedListStyle: true
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DerivePointerAlignment: true
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DisableFormat: false
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ExperimentalAutoDetectBinPacking: false
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FixNamespaceComments: true
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ForEachMacros:
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- foreach
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- Q_FOREACH
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- BOOST_FOREACH
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IncludeBlocks: Preserve
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IncludeCategories:
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- Regex: '^<ext/.*\.h>'
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Priority: 2
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- Regex: '^<.*\.h>'
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Priority: 1
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- Regex: '^<.*'
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Priority: 2
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- Regex: '.*'
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Priority: 3
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IncludeIsMainRegex: '([-_](test|unittest))?$'
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IndentCaseLabels: true
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IndentPPDirectives: None
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IndentWidth: 2
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IndentWrappedFunctionNames: false
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JavaScriptQuotes: Leave
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JavaScriptWrapImports: true
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KeepEmptyLinesAtTheStartOfBlocks: false
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MacroBlockBegin: ''
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MacroBlockEnd: ''
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MaxEmptyLinesToKeep: 1
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NamespaceIndentation: None
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ObjCBinPackProtocolList: Never
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ObjCBlockIndentWidth: 2
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ObjCSpaceAfterProperty: false
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ObjCSpaceBeforeProtocolList: true
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PenaltyBreakAssignment: 2
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PenaltyBreakBeforeFirstCallParameter: 1
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PenaltyBreakComment: 300
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PenaltyBreakFirstLessLess: 120
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PenaltyBreakString: 1000
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PenaltyBreakTemplateDeclaration: 10
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PenaltyExcessCharacter: 1000000
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PenaltyReturnTypeOnItsOwnLine: 200
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PointerAlignment: Left
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RawStringFormats:
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- Language: Cpp
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Delimiters:
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- cc
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- CC
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- cpp
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- Cpp
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- CPP
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- 'c++'
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- 'C++'
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CanonicalDelimiter: ''
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BasedOnStyle: google
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- Language: TextProto
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Delimiters:
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- pb
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- PB
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- proto
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- PROTO
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EnclosingFunctions:
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- EqualsProto
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- EquivToProto
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- PARSE_PARTIAL_TEXT_PROTO
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- PARSE_TEST_PROTO
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- PARSE_TEXT_PROTO
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- ParseTextOrDie
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- ParseTextProtoOrDie
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CanonicalDelimiter: ''
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BasedOnStyle: google
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ReflowComments: true
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SortIncludes: true
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SortUsingDeclarations: true
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SpaceAfterCStyleCast: false
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SpaceAfterTemplateKeyword: true
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SpaceBeforeAssignmentOperators: true
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SpaceBeforeCpp11BracedList: false
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SpaceBeforeCtorInitializerColon: true
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SpaceBeforeInheritanceColon: true
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SpaceBeforeParens: ControlStatements
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SpaceBeforeRangeBasedForLoopColon: true
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SpaceInEmptyParentheses: false
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SpacesBeforeTrailingComments: 2
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SpacesInAngles: false
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SpacesInContainerLiterals: true
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SpacesInCStyleCastParentheses: false
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SpacesInParentheses: false
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SpacesInSquareBrackets: false
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Standard: Auto
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StatementMacros:
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- Q_UNUSED
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- QT_REQUIRE_VERSION
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TabWidth: 8
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UseTab: Never
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...
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@@ -4,19 +4,19 @@
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#include "usage.h"
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int main(int argc, char *argv[]) {
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google::InitGoogleLogging(argv[0]);
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gflags::ParseCommandLineFlags(&argc, &argv, true);
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google::InitGoogleLogging(argv[0]);
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gflags::ParseCommandLineFlags(&argc, &argv, true);
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fireusage::UsageTracker tracker;
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tracker.Start();
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for (int i = 0; i < 100000000; ++i) {
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tracker.AddEvent();
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for (int _ = 0; _ < 100000; ++_) {
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}
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}
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tracker.Stop();
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tracker.Log();
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fireusage::UsageTracker tracker;
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tracker.Start();
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for (int i = 0; i < 100000000; ++i) {
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tracker.AddEvent();
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for (int _ = 0; _ < 100000; ++_) {
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}
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}
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tracker.Stop();
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tracker.Log();
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gflags::ShutDownCommandLineFlags();
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google::ShutdownGoogleLogging();
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gflags::ShutDownCommandLineFlags();
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google::ShutdownGoogleLogging();
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}
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91
usage.cc
91
usage.cc
@@ -8,63 +8,72 @@ namespace fireusage {
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namespace {
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std::chrono::nanoseconds TvToNs(const timeval& tv) {
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return std::chrono::seconds(tv.tv_sec) + std::chrono::microseconds(tv.tv_usec);
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return std::chrono::seconds(tv.tv_sec) +
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std::chrono::microseconds(tv.tv_usec);
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}
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} // namespace
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} // namespace
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void UsageTracker::AddEvents(uint64_t num) {
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events_ += num;
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}
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void UsageTracker::AddEvents(uint64_t num) { events_ += num; }
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void UsageTracker::AddEvent() {
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events_ += 1;
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}
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void UsageTracker::AddEvent() { events_ += 1; }
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void UsageTracker::Start() {
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CHECK(!running_);
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running_ = true;
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CHECK(!running_);
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running_ = true;
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PCHECK(getrusage(RUSAGE_THREAD, &start_usage_) == 0);
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start_time_ = std::chrono::steady_clock::now();
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PCHECK(getrusage(RUSAGE_THREAD, &start_usage_) == 0);
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start_time_ = std::chrono::steady_clock::now();
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}
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void UsageTracker::Stop() {
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CHECK(running_);
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running_ = false;
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CHECK(running_);
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running_ = false;
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const auto end_time = std::chrono::steady_clock::now();
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const auto end_time = std::chrono::steady_clock::now();
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rusage end_usage;
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PCHECK(getrusage(RUSAGE_THREAD, &end_usage) == 0);
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rusage end_usage;
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PCHECK(getrusage(RUSAGE_THREAD, &end_usage) == 0);
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wall_time_ += end_time - start_time_;
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user_time_ += TvToNs(end_usage.ru_utime) - TvToNs(start_usage_.ru_utime);
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sys_time_ += TvToNs(end_usage.ru_stime) - TvToNs(start_usage_.ru_stime);
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vol_ctxt_sw_ += end_usage.ru_nvcsw - start_usage_.ru_nvcsw;
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invol_ctxt_sw_ += end_usage.ru_nivcsw - start_usage_.ru_nivcsw;
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wall_time_ += end_time - start_time_;
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user_time_ += TvToNs(end_usage.ru_utime) - TvToNs(start_usage_.ru_utime);
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sys_time_ += TvToNs(end_usage.ru_stime) - TvToNs(start_usage_.ru_stime);
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vol_ctxt_sw_ += end_usage.ru_nvcsw - start_usage_.ru_nvcsw;
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invol_ctxt_sw_ += end_usage.ru_nivcsw - start_usage_.ru_nivcsw;
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}
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void UsageTracker::Log(const std::string_view& title) {
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if (!title.empty()) {
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// Need to do this here so --vmodule works properly
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VLOG(1) << title << ":";
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}
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if (!title.empty()) {
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// Need to do this here so --vmodule works properly
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VLOG(1) << title << ":";
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}
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VLOG(1) << "\t events: " << std::setw(19) << std::setfill(' ') << events_;
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VLOG(1) << "\t wall time: " << std::setw(19) << std::setfill(' ') << wall_time_.count() << "ns";
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VLOG(1) << "\t user time: " << std::setw(19) << std::setfill(' ') << user_time_.count() << "ns (" << ((user_time_ * 100) / (user_time_ + sys_time_)) << "%)";
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VLOG(1) << "\t sys time: " << std::setw(19) << std::setfill(' ') << sys_time_.count() << "ns (" << ((sys_time_ * 100) / (user_time_ + sys_time_)) << "%)";
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VLOG(1) << "\t vol ctxt sw: " << std::setw(19) << std::setfill(' ') << vol_ctxt_sw_;
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VLOG(1) << "\t invol ctxt sw: " << std::setw(19) << std::setfill(' ') << invol_ctxt_sw_;
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if (events_) {
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VLOG(1) << "\t wall time / event: " << std::setw(19) << std::setfill(' ') << (wall_time_ / events_).count() << "ns";
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VLOG(1) << "\t user time / event: " << std::setw(19) << std::setfill(' ') << (user_time_ / events_).count() << "ns";
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VLOG(1) << "\t sys time / event: " << std::setw(19) << std::setfill(' ') << (sys_time_ / events_).count() << "ns";
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VLOG(1) << "\t vol ctxt sw / event: " << std::setw(19) << std::setfill(' ') << (vol_ctxt_sw_ / events_);
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VLOG(1) << "\tinvol ctxt sw / event: " << std::setw(19) << std::setfill(' ') << (invol_ctxt_sw_ / events_);
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}
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VLOG(1) << "\t events: " << std::setw(19) << std::setfill(' ')
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<< events_;
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VLOG(1) << "\t wall time: " << std::setw(19) << std::setfill(' ')
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<< wall_time_.count() << "ns";
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VLOG(1) << "\t user time: " << std::setw(19) << std::setfill(' ')
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<< user_time_.count() << "ns ("
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<< ((user_time_ * 100) / (user_time_ + sys_time_)) << "%)";
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VLOG(1) << "\t sys time: " << std::setw(19) << std::setfill(' ')
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<< sys_time_.count() << "ns ("
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<< ((sys_time_ * 100) / (user_time_ + sys_time_)) << "%)";
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VLOG(1) << "\t vol ctxt sw: " << std::setw(19) << std::setfill(' ')
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<< vol_ctxt_sw_;
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VLOG(1) << "\t invol ctxt sw: " << std::setw(19) << std::setfill(' ')
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<< invol_ctxt_sw_;
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if (events_) {
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VLOG(1) << "\t wall time / event: " << std::setw(19) << std::setfill(' ')
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<< (wall_time_ / events_).count() << "ns";
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VLOG(1) << "\t user time / event: " << std::setw(19) << std::setfill(' ')
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<< (user_time_ / events_).count() << "ns";
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VLOG(1) << "\t sys time / event: " << std::setw(19) << std::setfill(' ')
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<< (sys_time_ / events_).count() << "ns";
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VLOG(1) << "\t vol ctxt sw / event: " << std::setw(19) << std::setfill(' ')
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<< (vol_ctxt_sw_ / events_);
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VLOG(1) << "\tinvol ctxt sw / event: " << std::setw(19) << std::setfill(' ')
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<< (invol_ctxt_sw_ / events_);
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}
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}
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} // namespace fireusage
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} // namespace fireusage
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36
usage.h
36
usage.h
@@ -1,31 +1,31 @@
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#pragma once
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#include <sys/resource.h>
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#include <chrono>
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#include <string>
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#include <sys/resource.h>
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namespace fireusage {
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class UsageTracker {
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public:
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void AddEvents(uint64_t num);
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void AddEvent();
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public:
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void AddEvents(uint64_t num);
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void AddEvent();
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void Start();
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void Stop();
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void Log(const std::string_view& title="");
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void Start();
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void Stop();
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void Log(const std::string_view& title = "");
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private:
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bool running_ = false;
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uint64_t events_ = 0;
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std::chrono::nanoseconds wall_time_;
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std::chrono::nanoseconds user_time_;
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std::chrono::nanoseconds sys_time_;
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uint64_t vol_ctxt_sw_ = 0;
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uint64_t invol_ctxt_sw_ = 0;
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private:
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bool running_ = false;
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uint64_t events_ = 0;
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std::chrono::nanoseconds wall_time_;
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std::chrono::nanoseconds user_time_;
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std::chrono::nanoseconds sys_time_;
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uint64_t vol_ctxt_sw_ = 0;
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uint64_t invol_ctxt_sw_ = 0;
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std::chrono::steady_clock::time_point start_time_;
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rusage start_usage_;
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std::chrono::steady_clock::time_point start_time_;
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rusage start_usage_;
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};
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} // namespace fireusage
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} // namespace fireusage
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