Safe Haskell | None |
---|---|
Language | Haskell2010 |
Accessors to GHC RTS flags.
Descriptions of flags can be seen in
GHC User's Guide,
or by running RTS help message using +RTS --help
.
Since: base-4.8.0.0
Synopsis
- type RtsTime = Word64
- data RTSFlags = RTSFlags {}
- data GiveGCStats
- data GCFlags = GCFlags {
- statsFile :: Maybe FilePath
- giveStats :: GiveGCStats
- maxStkSize :: Word32
- initialStkSize :: Word32
- stkChunkSize :: Word32
- stkChunkBufferSize :: Word32
- maxHeapSize :: Word32
- minAllocAreaSize :: Word32
- largeAllocLim :: Word32
- nurseryChunkSize :: Word32
- minOldGenSize :: Word32
- heapSizeSuggestion :: Word32
- heapSizeSuggestionAuto :: Bool
- oldGenFactor :: Double
- pcFreeHeap :: Double
- generations :: Word32
- squeezeUpdFrames :: Bool
- compact :: Bool
- compactThreshold :: Double
- sweep :: Bool
- ringBell :: Bool
- idleGCDelayTime :: RtsTime
- doIdleGC :: Bool
- heapBase :: Word
- allocLimitGrace :: Word
- numa :: Bool
- numaMask :: Word
- data ConcFlags = ConcFlags {}
- data MiscFlags = MiscFlags {}
- data DebugFlags = DebugFlags {}
- data DoCostCentres
- data CCFlags = CCFlags {}
- data DoHeapProfile
- data ProfFlags = ProfFlags {
- doHeapProfile :: DoHeapProfile
- heapProfileInterval :: RtsTime
- heapProfileIntervalTicks :: Word
- includeTSOs :: Bool
- showCCSOnException :: Bool
- maxRetainerSetSize :: Word
- ccsLength :: Word
- modSelector :: Maybe String
- descrSelector :: Maybe String
- typeSelector :: Maybe String
- ccSelector :: Maybe String
- ccsSelector :: Maybe String
- retainerSelector :: Maybe String
- bioSelector :: Maybe String
- data DoTrace
- data TraceFlags = TraceFlags {
- tracing :: DoTrace
- timestamp :: Bool
- traceScheduler :: Bool
- traceGc :: Bool
- sparksSampled :: Bool
- sparksFull :: Bool
- user :: Bool
- data TickyFlags = TickyFlags {}
- data ParFlags = ParFlags {}
- getRTSFlags :: IO RTSFlags
- getGCFlags :: IO GCFlags
- getConcFlags :: IO ConcFlags
- getMiscFlags :: IO MiscFlags
- getDebugFlags :: IO DebugFlags
- getCCFlags :: IO CCFlags
- getProfFlags :: IO ProfFlags
- getTraceFlags :: IO TraceFlags
- getTickyFlags :: IO TickyFlags
- getParFlags :: IO ParFlags
Documentation
Parameters of the runtime system
Since: base-4.8.0.0
data GiveGCStats Source #
Should we produce a summary of the garbage collector statistics after the program has exited?
Since: base-4.8.2.0
Instances
Enum GiveGCStats Source # | Since: base-4.8.0.0 |
Defined in GHC.RTS.Flags succ :: GiveGCStats -> GiveGCStats Source # pred :: GiveGCStats -> GiveGCStats Source # toEnum :: Int -> GiveGCStats Source # fromEnum :: GiveGCStats -> Int Source # enumFrom :: GiveGCStats -> [GiveGCStats] Source # enumFromThen :: GiveGCStats -> GiveGCStats -> [GiveGCStats] Source # enumFromTo :: GiveGCStats -> GiveGCStats -> [GiveGCStats] Source # enumFromThenTo :: GiveGCStats -> GiveGCStats -> GiveGCStats -> [GiveGCStats] Source # | |
Show GiveGCStats Source # | |
Defined in GHC.RTS.Flags |
Parameters of the garbage collector.
Since: base-4.8.0.0
GCFlags | |
|
Parameters concerning context switching
Since: base-4.8.0.0
Miscellaneous parameters
Since: base-4.8.0.0
MiscFlags | |
|
data DebugFlags Source #
Flags to control debugging output & extra checking in various subsystems.
Since: base-4.8.0.0
Instances
Show DebugFlags Source # | |
Defined in GHC.RTS.Flags |
data DoCostCentres Source #
Should the RTS produce a cost-center summary?
Since: base-4.8.2.0
Instances
Enum DoCostCentres Source # | Since: base-4.8.0.0 |
Defined in GHC.RTS.Flags succ :: DoCostCentres -> DoCostCentres Source # pred :: DoCostCentres -> DoCostCentres Source # toEnum :: Int -> DoCostCentres Source # fromEnum :: DoCostCentres -> Int Source # enumFrom :: DoCostCentres -> [DoCostCentres] Source # enumFromThen :: DoCostCentres -> DoCostCentres -> [DoCostCentres] Source # enumFromTo :: DoCostCentres -> DoCostCentres -> [DoCostCentres] Source # enumFromThenTo :: DoCostCentres -> DoCostCentres -> DoCostCentres -> [DoCostCentres] Source # | |
Show DoCostCentres Source # | |
Defined in GHC.RTS.Flags |
Parameters pertaining to the cost-center profiler.
Since: base-4.8.0.0
data DoHeapProfile Source #
What sort of heap profile are we collecting?
Since: base-4.8.2.0
NoHeapProfiling | |
HeapByCCS | |
HeapByMod | |
HeapByDescr | |
HeapByType | |
HeapByRetainer | |
HeapByLDV | |
HeapByClosureType |
Instances
Enum DoHeapProfile Source # | Since: base-4.8.0.0 |
Defined in GHC.RTS.Flags succ :: DoHeapProfile -> DoHeapProfile Source # pred :: DoHeapProfile -> DoHeapProfile Source # toEnum :: Int -> DoHeapProfile Source # fromEnum :: DoHeapProfile -> Int Source # enumFrom :: DoHeapProfile -> [DoHeapProfile] Source # enumFromThen :: DoHeapProfile -> DoHeapProfile -> [DoHeapProfile] Source # enumFromTo :: DoHeapProfile -> DoHeapProfile -> [DoHeapProfile] Source # enumFromThenTo :: DoHeapProfile -> DoHeapProfile -> DoHeapProfile -> [DoHeapProfile] Source # | |
Show DoHeapProfile Source # | |
Defined in GHC.RTS.Flags |
Parameters of the cost-center profiler
Since: base-4.8.0.0
ProfFlags | |
|
Is event tracing enabled?
Since: base-4.8.2.0
TraceNone | no tracing |
TraceEventLog | send tracing events to the event log |
TraceStderr | send tracing events to |
Instances
Enum DoTrace Source # | Since: base-4.8.0.0 |
Defined in GHC.RTS.Flags succ :: DoTrace -> DoTrace Source # pred :: DoTrace -> DoTrace Source # toEnum :: Int -> DoTrace Source # fromEnum :: DoTrace -> Int Source # enumFrom :: DoTrace -> [DoTrace] Source # enumFromThen :: DoTrace -> DoTrace -> [DoTrace] Source # enumFromTo :: DoTrace -> DoTrace -> [DoTrace] Source # enumFromThenTo :: DoTrace -> DoTrace -> DoTrace -> [DoTrace] Source # | |
Show DoTrace Source # | |
data TraceFlags Source #
Parameters pertaining to event tracing
Since: base-4.8.0.0
TraceFlags | |
|
Instances
Show TraceFlags Source # | |
Defined in GHC.RTS.Flags |
data TickyFlags Source #
Parameters pertaining to ticky-ticky profiler
Since: base-4.8.0.0
Instances
Show TickyFlags Source # | |
Defined in GHC.RTS.Flags |
Parameters pertaining to parallelism
Since: base-4.8.0.0
getRTSFlags :: IO RTSFlags Source #
getGCFlags :: IO GCFlags Source #
getCCFlags :: IO CCFlags Source #
getParFlags :: IO ParFlags Source #