diff --git a/nix/pkgs/haskell/materialized-darwin/.plan.nix/plutus-tx-plugin.nix b/nix/pkgs/haskell/materialized-darwin/.plan.nix/plutus-tx-plugin.nix
index e6385db9c65..e2b3561e1bf 100644
--- a/nix/pkgs/haskell/materialized-darwin/.plan.nix/plutus-tx-plugin.nix
+++ b/nix/pkgs/haskell/materialized-darwin/.plan.nix/plutus-tx-plugin.nix
@@ -86,6 +86,7 @@
             (hsPkgs."serialise" or (errorHandler.buildDepError "serialise"))
             (hsPkgs."template-haskell" or (errorHandler.buildDepError "template-haskell"))
             (hsPkgs."text" or (errorHandler.buildDepError "text"))
+            (hsPkgs."time" or (errorHandler.buildDepError "time"))
             (hsPkgs."lens" or (errorHandler.buildDepError "lens"))
             ];
           buildable = true;
diff --git a/nix/pkgs/haskell/materialized-linux/.plan.nix/plutus-tx-plugin.nix b/nix/pkgs/haskell/materialized-linux/.plan.nix/plutus-tx-plugin.nix
index e6385db9c65..e2b3561e1bf 100644
--- a/nix/pkgs/haskell/materialized-linux/.plan.nix/plutus-tx-plugin.nix
+++ b/nix/pkgs/haskell/materialized-linux/.plan.nix/plutus-tx-plugin.nix
@@ -86,6 +86,7 @@
             (hsPkgs."serialise" or (errorHandler.buildDepError "serialise"))
             (hsPkgs."template-haskell" or (errorHandler.buildDepError "template-haskell"))
             (hsPkgs."text" or (errorHandler.buildDepError "text"))
+            (hsPkgs."time" or (errorHandler.buildDepError "time"))
             (hsPkgs."lens" or (errorHandler.buildDepError "lens"))
             ];
           buildable = true;
diff --git a/nix/pkgs/haskell/materialized-windows/.plan.nix/plutus-tx-plugin.nix b/nix/pkgs/haskell/materialized-windows/.plan.nix/plutus-tx-plugin.nix
index e6385db9c65..e2b3561e1bf 100644
--- a/nix/pkgs/haskell/materialized-windows/.plan.nix/plutus-tx-plugin.nix
+++ b/nix/pkgs/haskell/materialized-windows/.plan.nix/plutus-tx-plugin.nix
@@ -86,6 +86,7 @@
             (hsPkgs."serialise" or (errorHandler.buildDepError "serialise"))
             (hsPkgs."template-haskell" or (errorHandler.buildDepError "template-haskell"))
             (hsPkgs."text" or (errorHandler.buildDepError "text"))
+            (hsPkgs."time" or (errorHandler.buildDepError "time"))
             (hsPkgs."lens" or (errorHandler.buildDepError "lens"))
             ];
           buildable = true;
diff --git a/plutus-tx-plugin/executables/profile/Main.hs b/plutus-tx-plugin/executables/profile/Main.hs
index b71efcf8090..f4f6226a8f8 100644
--- a/plutus-tx-plugin/executables/profile/Main.hs
+++ b/plutus-tx-plugin/executables/profile/Main.hs
@@ -25,12 +25,15 @@ import qualified PlutusCore.Default        as PLC
 import           Control.Lens.Combinators  (_2)
 import           Control.Lens.Getter       (view)
 import           Data.List                 (stripPrefix, uncons)
+import           Data.Maybe                (fromJust)
 import           Data.Proxy                (Proxy (Proxy))
 import           Data.Text                 (Text)
+import           Data.Time.Clock           (NominalDiffTime, UTCTime, diffUTCTime)
 import           Prettyprinter.Internal    (pretty)
 import           Prettyprinter.Render.Text (hPutDoc)
 import           System.IO                 (IOMode (WriteMode), withFile)
 
+
 fact :: Integer -> Integer
 fact n =
   if Builtins.equalsInteger n 0
@@ -99,36 +102,59 @@ writeLogToFile fileName values = do
     filePath
     WriteMode
     (\h -> hPutDoc h log)
-  -- processed <- processLog filePath
-  -- TODO
-  -- writeFile (filePath<>".stacks") processed
+  processed <- processLog filePath
+  writeFile (filePath<>".stacks") $ show (map show processed)
   pure ()
 
--- processLog :: FilePath -> IO [[String]]
+processLog :: FilePath -> IO [(NominalDiffTime,String)]
 processLog file = do
   content <- readFile file
+  -- lEvents is in the form of [[t1,t2,t3,entering/exiting,var]]. Time is chopped to 3 parts.
   let lEvents =
         map
-          -- @(take i items ++ drop (1 + i) items)@ drop "UTC]" from the list
           -- @tail@ strips "[" in the first line and "," in the other lines,
           -- @words@ turns it to a list of [time, enter/exit, var]
           (tail . words)
           -- turn to a list of events
           (lines content)
-  pure $
-    -- stripe “[“ and add “ UTC” to the time so I can use read instance of UTCTime
-    map (stripPrefix "[" . (++ " UTC") . head ) $take 1 lEvents ++ drop 2 lEvents
+      lTimeRaw = map unwords (take 3 lEvents)
+      lTime =
+        map
+          -- stripe “[“ and add “ UTC” to the time so I can use read instance of UTCTime
+          (fromJust . stripPrefix "[" . (++ " UTC") . head )
+          lTimeEvents
+      lUTC (hd:tl) = (read hd :: UTCTime) : lUTC tl
+      lUTC []      = []
+      -- list of enter/exit
+      lEnterOrExit = map (head . tail) lTimeEvents
+      -- list of var
+      lVar = map (head . tail . tail) lTimeEvents
+      lTripleTimeVar = zip3 (lUTC lTime) lEnterOrExit lVar
+      getStacks curStack (hd:tl) = case hd of
+        (time, "entering", var) -> getStacks ((time, var):curStack) tl
+        (time, "exiting", var) ->
+          let curTopVar = snd $ head curStack
+              curTopTime = fst $ head curStack
+          in
+            if  curTopVar == var then
+              let updatedStack = tail curStack in
+              (diffUTCTime time curTopTime,var):getStacks updatedStack tl
+            else error "getStacks: exiting a stack that is not on top of the stack."
+        (time, what, _) -> error $ show what ++ "getStacks: log processed incorrectly. Expecting \"entering\" or \"exiting\"."
+      getStacks [] [] = []
+      getStacks _ [] = error "getStacks: stack isn't empty but log is."
+  pure $ getStacks [] lTripleTimeVar
 
 main :: IO ()
 main = do
   writeLogToFile "fib4" [toUPlc fibTest, toUPlc $ plc (Proxy @"4") (4::Integer)]
-  writeLogToFile "fact4" [toUPlc factTest, toUPlc $ plc (Proxy @"4") (4::Integer)]
-  writeLogToFile "addInt" [toUPlc addIntTest]
-  writeLogToFile "addInt3" [toUPlc addIntTest, toUPlc  $ plc (Proxy @"3") (3::Integer)]
-  writeLogToFile "letInFun" [toUPlc letInFunTest, toUPlc $ plc (Proxy @"1") (1::Integer), toUPlc $ plc (Proxy @"4") (4::Integer)]
-  writeLogToFile "letInFunMoreArg" [toUPlc letInFunMoreArgTest, toUPlc $ plc (Proxy @"1") (1::Integer), toUPlc $ plc (Proxy @"4") (4::Integer), toUPlc $ plc (Proxy @"5") (5::Integer)]
-  writeLogToFile "id" [toUPlc idTest]
-  writeLogToFile "swap" [toUPlc swapTest]
+  -- writeLogToFile "fact4" [toUPlc factTest, toUPlc $ plc (Proxy @"4") (4::Integer)]
+  -- writeLogToFile "addInt" [toUPlc addIntTest]
+  -- writeLogToFile "addInt3" [toUPlc addIntTest, toUPlc  $ plc (Proxy @"3") (3::Integer)]
+  -- writeLogToFile "letInFun" [toUPlc letInFunTest, toUPlc $ plc (Proxy @"1") (1::Integer), toUPlc $ plc (Proxy @"4") (4::Integer)]
+  -- writeLogToFile "letInFunMoreArg" [toUPlc letInFunMoreArgTest, toUPlc $ plc (Proxy @"1") (1::Integer), toUPlc $ plc (Proxy @"4") (4::Integer), toUPlc $ plc (Proxy @"5") (5::Integer)]
+  -- writeLogToFile "id" [toUPlc idTest]
+  -- writeLogToFile "swap" [toUPlc swapTest]
 
 
 
diff --git a/plutus-tx-plugin/plutus-tx-plugin.cabal b/plutus-tx-plugin/plutus-tx-plugin.cabal
index 2f2b0674465..9e80c2028c2 100644
--- a/plutus-tx-plugin/plutus-tx-plugin.cabal
+++ b/plutus-tx-plugin/plutus-tx-plugin.cabal
@@ -153,4 +153,5 @@ executable profile
         serialise -any,
         template-haskell -any,
         text -any,
+        time -any,
         lens -any,
\ No newline at end of file