[project @ 2006-01-17 16:13:18 by simonmar]

[ghc-hetmet.git] / ghc / rts / LdvProfile.c

diff --git a/ghc/rts/LdvProfile.c b/ghc/rts/LdvProfile.c
index c0f0411..dfdda28 100644 (file)
--- a/ghc/rts/LdvProfile.c
+++ b/ghc/rts/LdvProfile.c
@@ -1,5 +1,4 @@
 /* -----------------------------------------------------------------------------
- * $Id: LdvProfile.c,v 1.2 2001/11/26 16:54:21 simonmar Exp $
  *
  * (c) The GHC Team, 2001
  * Author: Sungwoo Park
@@ -10,22 +9,15 @@
 
 #ifdef PROFILING
 
-#include "Stg.h"
 #include "Rts.h"
 #include "LdvProfile.h"
 #include "RtsFlags.h"
-#include "Itimer.h"
-#include "Proftimer.h"
 #include "Profiling.h"
 #include "Stats.h"
 #include "Storage.h"
 #include "RtsUtils.h"
 #include "Schedule.h"
 
-// ldvTimeSave is set in LdvCensusKillAll(), and stores the final number of
-// times that LDV profiling was proformed.
-static nat ldvTimeSave;
-
 /* --------------------------------------------------------------------------
  * Fills in the slop when a *dynamic* closure changes its type.
  * First calls LDV_recordDead() to declare the closure is dead, and then
@@ -44,34 +36,47 @@ static nat ldvTimeSave;
 void 
 LDV_recordDead_FILL_SLOP_DYNAMIC( StgClosure *p )
 {
+    StgInfoTable *info;
+    nat nw, i;
+
+#if defined(__GNUC__) && __GNUC__ < 3 && defined(DEBUG)
+#error Please use gcc 3.0+ to compile this file with DEBUG; gcc < 3.0 miscompiles it
+#endif
+
     if (era > 0) {
-       StgInfoTable *inf = get_itbl((p));
-       nat nw, i;
-       switch (inf->type) {
+       info = get_itbl((p));
+       switch (info->type) {
        case THUNK_1_0:
        case THUNK_0_1:
+           nw = stg_max(MIN_UPD_SIZE,1);
+           break;
+
        case THUNK_2_0:
        case THUNK_1_1:
        case THUNK_0_2:
        case THUNK_SELECTOR:
-           nw = MIN_UPD_SIZE;
+           nw = stg_max(MIN_UPD_SIZE,2);
            break;
+
        case THUNK:
-           nw = inf->layout.payload.ptrs + inf->layout.payload.nptrs;
-           if (nw < MIN_UPD_SIZE)
-               nw = MIN_UPD_SIZE;
+           nw = stg_max(info->layout.payload.ptrs + info->layout.payload.nptrs,
+                        MIN_UPD_SIZE);
+           break;
+       case AP:
+           nw = sizeofW(StgAP) - sizeofW(StgThunkHeader) + ((StgPAP *)p)->n_args;
            break;
-       case AP_UPD:
-           nw = sizeofW(StgPAP) - sizeofW(StgHeader) + ((StgPAP *)p)->n_args;
+       case AP_STACK:
+           nw = sizeofW(StgAP_STACK) - sizeofW(StgThunkHeader)
+               + ((StgAP_STACK *)p)->size;
            break;
        case CAF_BLACKHOLE:
        case BLACKHOLE:
        case SE_BLACKHOLE:
        case SE_CAF_BLACKHOLE:
-           nw = inf->layout.payload.ptrs + inf->layout.payload.nptrs;
+           nw = info->layout.payload.ptrs + info->layout.payload.nptrs;
            break;
        default:
-           barf("Unexpected closure type %u in LDV_recordDead_FILL_SLOP_DYNAMIC()", inf->type);
+           barf("Unexpected closure type %u in LDV_recordDead_FILL_SLOP_DYNAMIC()", info->type);
            break;
        }
        LDV_recordDead((StgClosure *)(p), nw + sizeofW(StgHeader));
@@ -90,7 +95,7 @@ LDV_recordDead_FILL_SLOP_DYNAMIC( StgClosure *p )
  * closure.  Returns the size of the closure, including the profiling
  * header portion, so that the caller can find the next closure.
  * ----------------------------------------------------------------------- */
-static inline nat
+STATIC_INLINE nat
 processHeapClosureForDead( StgClosure *c )
 {
     nat size;
@@ -121,8 +126,10 @@ processHeapClosureForDead( StgClosure *c )
        size = sizeofW(StgMVar);
        return size;
 
-    case MUT_ARR_PTRS:
+    case MUT_ARR_PTRS_CLEAN:
+    case MUT_ARR_PTRS_DIRTY:
     case MUT_ARR_PTRS_FROZEN:
+    case MUT_ARR_PTRS_FROZEN0:
        size = mut_arr_ptrs_sizeW((StgMutArrPtrs *)c);
        return size;
 
@@ -131,9 +138,8 @@ processHeapClosureForDead( StgClosure *c )
        return size;
 
     case WEAK:
-    case MUT_VAR:
-    case MUT_CONS:
-    case FOREIGN:
+    case MUT_VAR_CLEAN:
+    case MUT_VAR_DIRTY:
     case BCO:
     case STABLE_NAME:
        size = sizeW_fromITBL(info);
@@ -149,18 +155,28 @@ processHeapClosureForDead( StgClosure *c )
 
     case THUNK_1_0:
     case THUNK_0_1:
+    case THUNK_SELECTOR:
+       size = sizeofW(StgHeader) + stg_max(MIN_UPD_SIZE, 1);
+       break;
+
     case THUNK_2_0:
     case THUNK_1_1:
     case THUNK_0_2:
-    case THUNK_SELECTOR:
-       size = sizeofW(StgHeader) + MIN_UPD_SIZE;
+       size = sizeofW(StgHeader) + stg_max(MIN_UPD_SIZE, 2);
+       break;
+
+    case AP:
+       size = ap_sizeW((StgAP *)c);
        break;
 
-    case AP_UPD:
     case PAP:
        size = pap_sizeW((StgPAP *)c);
        break;
 
+    case AP_STACK:
+       size = ap_stack_sizeW((StgAP_STACK *)c);
+       break;
+
     case CONSTR:
     case CONSTR_1_0:
     case CONSTR_0_1:
@@ -175,7 +191,6 @@ processHeapClosureForDead( StgClosure *c )
     case FUN_1_1:
     case FUN_0_2:
 
-    case BLACKHOLE_BQ:
     case BLACKHOLE:
     case SE_BLACKHOLE:
     case CAF_BLACKHOLE:
@@ -184,11 +199,8 @@ processHeapClosureForDead( StgClosure *c )
        break;
 
     case IND_PERM:
-       size = sizeofW(StgInd);
-       break;
-
     case IND_OLDGEN_PERM:
-       size = sizeofW(StgIndOldGen);
+       size = sizeofW(StgInd);
        break;
 
        /*
@@ -201,11 +213,8 @@ processHeapClosureForDead( StgClosure *c )
        // because they will perish before the next census at any
        // rate.
     case IND:
-       size = sizeofW(StgInd);
-       return size;
-
     case IND_OLDGEN:
-       size = sizeofW(StgIndOldGen);
+       size = sizeofW(StgInd);
        return size;
 
     case EVACUATED:
@@ -229,7 +238,6 @@ processHeapClosureForDead( StgClosure *c )
     case UPDATE_FRAME:
     case CATCH_FRAME:
     case STOP_FRAME:
-    case SEQ_FRAME:
     case RET_DYN:
     case RET_BCO:
     case RET_SMALL:
@@ -283,7 +291,7 @@ processNurseryForDead( void )
     StgPtr p, bdLimit;
     bdescr *bd;
 
-    bd = MainCapability.r.rNursery;
+    bd = MainCapability.r.rNursery->blocks;
     while (bd->start < bd->free) {
        p = bd->start;
        bdLimit = bd->start + BLOCK_SIZE_W;