refactor(rts): do not generate event types

There is little value in generating a C array from a Python list.

Build.hs

@@ -53,9 +53,6 @@ cabalProgram = simpleProgram "cabal"
 gitProgram :: Program
 gitProgram = simpleProgram "git"
 
-pythonProgram :: Program
-pythonProgram = simpleProgram "python"
-
 defaultProgramDb :: ProgramDb
 defaultProgramDb =
     addKnownPrograms
@@ -108,7 +105,7 @@ buildGhcStage1 verbosity progdb opts dst = do
     notice verbosity $ "Bootstrapping GHC version: " ++ show (programVersion ghc0)
 
     let src = dst </> "src"
-    prepareGhcSources verbosity progdb opts src
+    prepareGhcSources verbosity opts src
 
     let builddir = dst </> "cabal"
     createDirectoryIfMissing True builddir
@@ -222,12 +219,11 @@ buildGhcStage1 verbosity progdb opts dst = do
 
 -- TODO:
 -- - headers shared between different packages should be a common dependency
--- - event types should be generated by Setup.hs
 -- package versions: do they need to be all the same?
 
 -- | Prepare GHC sources in the given directory
-prepareGhcSources :: Verbosity -> MVar ProgramDb -> GhcBuildOptions -> FilePath -> IO ()
-prepareGhcSources verbosity progdb opts dst = do
+prepareGhcSources :: Verbosity -> GhcBuildOptions -> FilePath -> IO ()
+prepareGhcSources verbosity opts dst = do
     notice verbosity $ "  - Preparing sources in " ++ dst ++ "..."
     createDirectoryIfMissing True dst
 
@@ -255,24 +251,6 @@ prepareGhcSources verbosity progdb opts dst = do
     cp verbosity "utils/fs/fs.c" (dst </> "utils/unlit/")
     cp verbosity "utils/fs/fs.h" (dst </> "utils/unlit/")
 
-    python <- requireProgram' verbosity progdb pythonProgram
-
-    runProgram
-        verbosity
-        python
-        [ "rts/gen_event_types.py"
-        , "--event-types-defines"
-        , dst </> "libraries/rts/include/rts/EventLogConstants.h"
-        ]
-
-    runProgram
-        verbosity
-        python
-        [ "rts/gen_event_types.py"
-        , "--event-types-array"
-        , dst </> "libraries/rts/include/rts/EventTypes.h"
-        ]
-
     -- substitute variables in files
     let subst fin fout rs = do
             t <- Text.readFile fin
@@ -415,7 +393,7 @@ buildBootLibraries verbosity progdb opts dst = do
     genprimop <- requireProgram' verbosity progdb (simpleProgram "stage1-genprimopcode")
 
     src <- makeAbsolute (dst </> "src")
-    prepareGhcSources verbosity progdb opts src
+    prepareGhcSources verbosity opts src
 
     -- Build the RTS
     src_rts <- makeAbsolute (src </> "libraries/rts")

rts/include/rts/EventLogConstants.h

@@ -0,0 +1,82 @@
+#pragma once
+
+// When adding a new event type used by GHC you should also update
+// NUM_GHC_EVENT_TAGS in include/rts/EventLogFormat.h.
+
+#define EVENT_CREATE_THREAD 0
+#define EVENT_RUN_THREAD 1
+#define EVENT_STOP_THREAD 2
+#define EVENT_THREAD_RUNNABLE 3
+#define EVENT_MIGRATE_THREAD 4
+#define EVENT_THREAD_WAKEUP 8
+#define EVENT_GC_START 9
+#define EVENT_GC_END 10
+#define EVENT_REQUEST_SEQ_GC 11
+#define EVENT_REQUEST_PAR_GC 12
+#define EVENT_CREATE_SPARK_THREAD 15
+#define EVENT_LOG_MSG 16
+#define EVENT_BLOCK_MARKER 18
+#define EVENT_USER_MSG 19
+#define EVENT_GC_IDLE 20
+#define EVENT_GC_WORK 21
+#define EVENT_GC_DONE 22
+#define EVENT_CAPSET_CREATE 25
+#define EVENT_CAPSET_DELETE 26
+#define EVENT_CAPSET_ASSIGN_CAP 27
+#define EVENT_CAPSET_REMOVE_CAP 28
+#define EVENT_RTS_IDENTIFIER 29
+#define EVENT_PROGRAM_ARGS 30
+#define EVENT_PROGRAM_ENV 31
+#define EVENT_OSPROCESS_PID 32
+#define EVENT_OSPROCESS_PPID 33
+#define EVENT_SPARK_COUNTERS 34
+#define EVENT_SPARK_CREATE 35
+#define EVENT_SPARK_DUD 36
+#define EVENT_SPARK_OVERFLOW 37
+#define EVENT_SPARK_RUN 38
+#define EVENT_SPARK_STEAL 39
+#define EVENT_SPARK_FIZZLE 40
+#define EVENT_SPARK_GC 41
+#define EVENT_INTERN_STRING 42
+#define EVENT_WALL_CLOCK_TIME 43
+#define EVENT_THREAD_LABEL 44
+#define EVENT_CAP_CREATE 45
+#define EVENT_CAP_DELETE 46
+#define EVENT_CAP_DISABLE 47
+#define EVENT_CAP_ENABLE 48
+#define EVENT_HEAP_ALLOCATED 49
+#define EVENT_HEAP_SIZE 50
+#define EVENT_HEAP_LIVE 51
+#define EVENT_HEAP_INFO_GHC 52
+#define EVENT_GC_STATS_GHC 53
+#define EVENT_GC_GLOBAL_SYNC 54
+#define EVENT_TASK_CREATE 55
+#define EVENT_TASK_MIGRATE 56
+#define EVENT_TASK_DELETE 57
+#define EVENT_USER_MARKER 58
+#define EVENT_HACK_BUG_T9003 59
+#define EVENT_MEM_RETURN 90
+#define EVENT_BLOCKS_SIZE 91
+#define EVENT_HEAP_PROF_BEGIN 160
+#define EVENT_HEAP_PROF_COST_CENTRE 161
+#define EVENT_HEAP_PROF_SAMPLE_BEGIN 162
+#define EVENT_HEAP_PROF_SAMPLE_COST_CENTRE 163
+#define EVENT_HEAP_PROF_SAMPLE_STRING 164
+#define EVENT_HEAP_PROF_SAMPLE_END 165
+#define EVENT_HEAP_BIO_PROF_SAMPLE_BEGIN 166
+#define EVENT_PROF_SAMPLE_COST_CENTRE 167
+#define EVENT_PROF_BEGIN 168
+#define EVENT_IPE 169
+#define EVENT_USER_BINARY_MSG 181
+#define EVENT_CONC_MARK_BEGIN 200
+#define EVENT_CONC_MARK_END 201
+#define EVENT_CONC_SYNC_BEGIN 202
+#define EVENT_CONC_SYNC_END 203
+#define EVENT_CONC_SWEEP_BEGIN 204
+#define EVENT_CONC_SWEEP_END 205
+#define EVENT_CONC_UPD_REM_SET_FLUSH 206
+#define EVENT_NONMOVING_HEAP_CENSUS 207
+#define EVENT_NONMOVING_PRUNED_SEGMENTS 208
+#define EVENT_TICKY_COUNTER_DEF 210
+#define EVENT_TICKY_COUNTER_SAMPLE 211
+#define EVENT_TICKY_COUNTER_BEGIN_SAMPLE 212