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{-# LANGUAGE DeriveGeneric #-}
module GHC.Exts.Heap.ProfInfo.Types where
import Prelude
import Data.Word
import GHC.Generics
-- | This is a somewhat faithful representation of StgTSOProfInfo. See
-- <https://gitlab.haskell.org/ghc/ghc/blob/master/includes/rts/storage/TSO.h>
-- for more details on this data structure.
data StgTSOProfInfo = StgTSOProfInfo {
cccs :: Maybe CostCentreStack
} deriving (Show, Generic, Eq, Ord)
-- | This is a somewhat faithful representation of CostCentreStack. See
-- <https://gitlab.haskell.org/ghc/ghc/blob/master/includes/rts/prof/CCS.h>
-- for more details on this data structure.
data CostCentreStack = CostCentreStack {
ccs_ccsID :: Int,
ccs_cc :: CostCentre,
ccs_prevStack :: Maybe CostCentreStack,
ccs_indexTable :: Maybe IndexTable,
ccs_root :: Maybe CostCentreStack,
ccs_depth :: Word,
ccs_scc_count :: Word64,
ccs_selected :: Word,
ccs_time_ticks :: Word,
ccs_mem_alloc :: Word64,
ccs_inherited_alloc :: Word64,
ccs_inherited_ticks :: Word
} deriving (Show, Generic, Eq, Ord)
-- | This is a somewhat faithful representation of CostCentre. See
-- <https://gitlab.haskell.org/ghc/ghc/blob/master/includes/rts/prof/CCS.h>
-- for more details on this data structure.
data CostCentre = CostCentre {
cc_ccID :: Int,
cc_label :: String,
cc_module :: String,
cc_srcloc :: Maybe String,
cc_mem_alloc :: Word64,
cc_time_ticks :: Word,
cc_is_caf :: Bool,
cc_link :: Maybe CostCentre
} deriving (Show, Generic, Eq, Ord)
-- | This is a somewhat faithful representation of IndexTable. See
-- <https://gitlab.haskell.org/ghc/ghc/blob/master/includes/rts/prof/CCS.h>
-- for more details on this data structure.
data IndexTable = IndexTable {
it_cc :: CostCentre,
it_ccs :: Maybe CostCentreStack,
it_next :: Maybe IndexTable,
it_back_edge :: Bool
} deriving (Show, Generic, Eq, Ord)
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