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240 lines
9.4 KiB
C++
240 lines
9.4 KiB
C++
//===--- Statistics.def - Statistics Macro Metaprogramming Database -*- C++ -*-===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the database of always-available statistic counters.
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//
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// DRIVER_STATISTIC(Id)
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// - Id is an identifier suitable for use in C++
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//
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// FRONTEND_STATISTIC(Subsystem, Id)
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// - Subsystem is a token to be stringified as a name prefix
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// - Id is an identifier suitable for use in C++
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//
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//===----------------------------------------------------------------------===//
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/// Driver statistics are collected for driver processes
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#ifdef DRIVER_STATISTIC
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/// Total number of jobs (frontend, merge-modules, link, etc.) run by the
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/// driver. This should be some number less than the total number of files in
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/// the module in primary-files mode, and will likely just be 1 or 2 in WMO
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/// mode.
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DRIVER_STATISTIC(NumDriverJobsRun)
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/// Total number of jobs (frontend, merge-modules, link, etc.) which _could_
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/// have been run by the driver, but that it decided to skip due to analysis of
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/// the dependency graph induced by .swiftdeps files. This, added together with
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/// the number of driver jobs run (above) should be relatively constant
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/// run-over-run.
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DRIVER_STATISTIC(NumDriverJobsSkipped)
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/// Total number of driver processes that exited with EXIT_FAILURE / not with
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/// EXIT_SUCCESS.
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DRIVER_STATISTIC(NumProcessFailures)
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/// Total number of driver poll() calls on subprocess pipes.
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DRIVER_STATISTIC(NumDriverPipePolls)
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/// Total number of driver read() calls on subprocess pipes.
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DRIVER_STATISTIC(NumDriverPipeReads)
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/// Next 10 statistics count dirtying-events in the driver's dependency graph,
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/// which it uses to decide which files are invalid (and thus which files to
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/// build). There are two dimensions to each dirtying event:
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///
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/// - the type of dependency that caused the dirtying (top-level names, dynamic
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/// lookups, nominal type usage, member usage, or external-files)
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///
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/// - whether the dependency should "cascade" (transitively dirty the node's
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/// own downstream dependents, vs. just dirtying the node itself)
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DRIVER_STATISTIC(DriverDepCascadingTopLevel)
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DRIVER_STATISTIC(DriverDepCascadingDynamic)
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DRIVER_STATISTIC(DriverDepCascadingNominal)
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DRIVER_STATISTIC(DriverDepCascadingMember)
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DRIVER_STATISTIC(DriverDepCascadingExternal)
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DRIVER_STATISTIC(DriverDepTopLevel)
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DRIVER_STATISTIC(DriverDepDynamic)
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DRIVER_STATISTIC(DriverDepNominal)
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DRIVER_STATISTIC(DriverDepMember)
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DRIVER_STATISTIC(DriverDepExternal)
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/// Maximum Resident Set Size (roughly: physical memory actually used) by the
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/// tree of processes launched by the driver (i.e. the entire compilation).
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DRIVER_STATISTIC(ChildrenMaxRSS)
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#endif
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/// Driver statistics are collected for frontend processes
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#ifdef FRONTEND_STATISTIC
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/// Total number of frontend processes that exited with EXIT_FAILURE / not with
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/// EXIT_SUCCESS.
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FRONTEND_STATISTIC(Frontend, NumProcessFailures)
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/// Number of source buffers visible in the source manager.
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FRONTEND_STATISTIC(AST, NumSourceBuffers)
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/// Total number of lines of source code (just by counting newlines) in all the
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/// source buffers visible in the source manager. Crude proxy for "project
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/// size".
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FRONTEND_STATISTIC(AST, NumSourceLines)
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/// The NumSourceLines value of a frontend divided by the user-time of the
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/// frontend; stored and emitted separately so there's a precomputed value a
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/// user can grep-for to find a slow frontend.
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FRONTEND_STATISTIC(AST, NumSourceLinesPerSecond)
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/// Number of libraries (including frameworks) linked against.
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FRONTEND_STATISTIC(AST, NumLinkLibraries)
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/// Number of top-level modules loaded in the AST context.
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FRONTEND_STATISTIC(AST, NumLoadedModules)
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/// Number of external definitions imported into the AST context.
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FRONTEND_STATISTIC(AST, NumImportedExternalDefinitions)
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/// Number of Clang entities imported into the AST context.
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FRONTEND_STATISTIC(AST, NumTotalClangImportedEntities)
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/// Number of bytes allocated in the AST's local arenas.
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FRONTEND_STATISTIC(AST, NumASTBytesAllocated)
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/// Number of file-level dependencies of this frontend job, as tracked in the
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/// AST context's dependency collector.
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FRONTEND_STATISTIC(AST, NumDependencies)
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/// Number of top-level, dynamic, and member names referenced in this frontend
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/// job's source file, as tracked by the AST context's referenced-name tracker.
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FRONTEND_STATISTIC(AST, NumReferencedTopLevelNames)
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FRONTEND_STATISTIC(AST, NumReferencedDynamicNames)
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FRONTEND_STATISTIC(AST, NumReferencedMemberNames)
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/// Number of declarations in the AST context.
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FRONTEND_STATISTIC(AST, NumDecls)
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/// Number of local type declarations in the AST context.
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FRONTEND_STATISTIC(AST, NumLocalTypeDecls)
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/// Number of Objective-C declarations in the AST context.
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FRONTEND_STATISTIC(AST, NumObjCMethods)
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/// Number of infix, postfix, and prefix operators in the AST context.
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FRONTEND_STATISTIC(AST, NumInfixOperators)
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FRONTEND_STATISTIC(AST, NumPostfixOperators)
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FRONTEND_STATISTIC(AST, NumPrefixOperators)
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/// Number of precedence groups in the AST context.
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FRONTEND_STATISTIC(AST, NumPrecedenceGroups)
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/// Number of conformances used by code processed by this frontend job.
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FRONTEND_STATISTIC(AST, NumUsedConformances)
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/// Number of full function bodies parsed.
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FRONTEND_STATISTIC(Parse, NumFunctionsParsed)
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/// Number of conformances that were deserialized by this frontend job.
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FRONTEND_STATISTIC(Sema, NumConformancesDeserialized)
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/// Number of constraint-solving scopes created in the typechecker, while
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/// solving expression type constraints. A rough proxy for "how much work the
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/// expression typechecker did".
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FRONTEND_STATISTIC(Sema, NumConstraintScopes)
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/// Number of constraints considered per attempt to
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/// contract constraint graph edges.
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/// This is a measure of complexity of the contraction algorithm.
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FRONTEND_STATISTIC(Sema, NumConstraintsConsideredForEdgeContraction)
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/// Number of declarations that were deserialized. A rough proxy for the amount
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/// of material loaded from other modules.
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FRONTEND_STATISTIC(Sema, NumDeclsDeserialized)
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/// Number of declarations validated.
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FRONTEND_STATISTIC(Sema, NumDeclsValidated)
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/// Number of full function bodies typechecked.
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FRONTEND_STATISTIC(Sema, NumFunctionsTypechecked)
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/// Number of generic signature builders constructed. Rough proxy for
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/// amount of work the GSB does analyzing type signatures.
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FRONTEND_STATISTIC(Sema, NumGenericSignatureBuilders)
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/// Number of lazy generic environments built.
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FRONTEND_STATISTIC(Sema, NumLazyGenericEnvironments)
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/// Number of lazy generic environments deserialized.
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FRONTEND_STATISTIC(Sema, NumLazyGenericEnvironmentsLoaded)
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/// Number of lazy iterable declaration contexts constructed.
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FRONTEND_STATISTIC(Sema, NumLazyIterableDeclContexts)
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/// Number of direct member-name lookups performed on nominal types.
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FRONTEND_STATISTIC(Sema, NominalTypeLookupDirectCount)
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/// Number of member-name lookups that avoided loading all members.
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FRONTEND_STATISTIC(Sema, NamedLazyMemberLoadSuccessCount)
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/// Number of member-name lookups that wound up loading all members.
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FRONTEND_STATISTIC(Sema, NamedLazyMemberLoadFailureCount)
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/// Number of types deserialized.
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FRONTEND_STATISTIC(Sema, NumTypesDeserialized)
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/// Number of types validated.
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FRONTEND_STATISTIC(Sema, NumTypesValidated)
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/// Number of lazy iterable declaration contexts left unloaded.
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FRONTEND_STATISTIC(Sema, NumUnloadedLazyIterableDeclContexts)
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/// All type check requests go into the Sema area.
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#define SWIFT_TYPEID(NAME) FRONTEND_STATISTIC(Sema, NAME)
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#include "swift/AST/AccessTypeIDZone.def"
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#include "swift/AST/TypeCheckerTypeIDZone.def"
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#undef SWIFT_TYPEID
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/// The next 10 statistics count 5 kinds of SIL entities present
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/// after the SILGen and SILOpt phases. The entities are functions,
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/// vtables, witness tables, default witness tables and global
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/// variables.
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FRONTEND_STATISTIC(SILModule, NumSILGenFunctions)
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FRONTEND_STATISTIC(SILModule, NumSILGenVtables)
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FRONTEND_STATISTIC(SILModule, NumSILGenWitnessTables)
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FRONTEND_STATISTIC(SILModule, NumSILGenDefaultWitnessTables)
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FRONTEND_STATISTIC(SILModule, NumSILGenGlobalVariables)
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FRONTEND_STATISTIC(SILModule, NumSILOptFunctions)
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FRONTEND_STATISTIC(SILModule, NumSILOptVtables)
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FRONTEND_STATISTIC(SILModule, NumSILOptWitnessTables)
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FRONTEND_STATISTIC(SILModule, NumSILOptDefaultWitnessTables)
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FRONTEND_STATISTIC(SILModule, NumSILOptGlobalVariables)
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/// The next 9 statistics count kinds of LLVM entities produced
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/// during the IRGen phase: globals, functions, aliases, ifuncs,
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/// named metadata, value and comdat symbols, basic blocks,
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/// and instructions.
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FRONTEND_STATISTIC(IRModule, NumIRGlobals)
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FRONTEND_STATISTIC(IRModule, NumIRFunctions)
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FRONTEND_STATISTIC(IRModule, NumIRAliases)
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FRONTEND_STATISTIC(IRModule, NumIRIFuncs)
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FRONTEND_STATISTIC(IRModule, NumIRNamedMetaData)
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FRONTEND_STATISTIC(IRModule, NumIRValueSymbols)
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FRONTEND_STATISTIC(IRModule, NumIRComdatSymbols)
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FRONTEND_STATISTIC(IRModule, NumIRBasicBlocks)
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FRONTEND_STATISTIC(IRModule, NumIRInsts)
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/// Number of bytes written to the object-file output stream
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/// of the frontend job, which should be the same as the size of
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/// the .o file you find on disk after the frontend exits.
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FRONTEND_STATISTIC(LLVM, NumLLVMBytesOutput)
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#endif
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