Lightweight ticky-ticky profiling

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

diff --git a/rts/RtsStartup.c b/rts/RtsStartup.c
index 0406ae6..deb38e0 100644 (file)
--- a/rts/RtsStartup.c
+++ b/rts/RtsStartup.c
@@ -6,18 +6,20 @@
  *
  * ---------------------------------------------------------------------------*/
 
-#include "PosixSource.h"
+// PAPI uses caddr_t, which is not POSIX
+// #include "PosixSource.h"
+
 #include "Rts.h"
 #include "RtsAPI.h"
 #include "RtsUtils.h"
 #include "RtsFlags.h"  
 #include "OSThreads.h"
-#include "Storage.h"    /* initStorage, exitStorage */
 #include "Schedule.h"   /* initScheduler */
 #include "Stats.h"      /* initStats */
 #include "STM.h"        /* initSTM */
 #include "Signals.h"
 #include "RtsSignals.h"
+#include "ThrIOManager.h"
 #include "Timer.h"      /* startTimer, stopTimer */
 #include "Weak.h"
 #include "Ticky.h"
@@ -28,6 +30,9 @@
 #include "ThreadLabels.h"
 #include "BlockAlloc.h"
 #include "Trace.h"
+#include "RtsTypeable.h"
+#include "Stable.h"
+#include "Hpc.h"
 
 #if defined(RTS_GTK_FRONTPANEL)
 #include "FrontPanel.h"
@@ -52,7 +57,7 @@
 # include "LLC.h"
 #endif
 
-#if defined(mingw32_HOST_OS)
+#if defined(mingw32_HOST_OS) && !defined(THREADED_RTS)
 #include "win32/AsyncIO.h"
 #endif
 
@@ -65,6 +70,10 @@
 #include <signal.h>
 #endif
 
+#if USE_PAPI
+#include "Papi.h"
+#endif
+
 // Count of how many outstanding hs_init()s there have been.
 static int hs_init_count = 0;
 
@@ -129,7 +138,13 @@ hs_init(int *argc, char **argv[])
        return;
     }
 
-    /* The very first thing we do is grab the start time...just in case we're
+#if defined(DEBUG)
+    /* Start off by initialising the allocator debugging so we can
+     * use it anywhere */
+    initAllocator();
+#endif
+
+    /* Next we do is grab the start time...just in case we're
      * collecting timing statistics.
      */
     stat_startInit();
@@ -150,7 +165,32 @@ hs_init(int *argc, char **argv[])
     argv++; argc--;
 #endif
 
+    /* Initialise the performance tracking library */
+#ifdef USE_PAPI
+    {
+       int ver;
+       if ((ver = PAPI_library_init(PAPI_VER_CURRENT)) != PAPI_VER_CURRENT) {
+           if (ver > 0) {
+               errorBelch("PAPI_library_init: wrong version: %x", ver);
+               stg_exit(EXIT_FAILURE);
+           } else {
+               sysErrorBelch("PAPI_library_init");
+               stg_exit(EXIT_FAILURE);
+           }
+       }
+    }
+#ifdef THREADED_RTS
+    {
+       int err;
+       if ((err = PAPI_thread_init(osThreadId)) < 0) {
+           barf("PAPI_thread_init: %d",err);
+       }
+    }
+#endif
+#endif
+
     /* Set the RTS flags to default values. */
+
     initRtsFlagsDefaults();
 
     /* Call the user hook to reset defaults, if present */
@@ -196,6 +236,9 @@ hs_init(int *argc, char **argv[])
     /* initialise the stable pointer table */
     initStablePtrTable();
 
+    /* initialise the shared Typeable store */
+    initTypeableStore();
+
 #if defined(DEBUG)
     /* initialise thread label table (tso->char*) */
     initThreadLabelTable();
@@ -206,7 +249,7 @@ hs_init(int *argc, char **argv[])
 #endif
 
     /* start the virtual timer 'subsystem'. */
-    startTimer(TICK_MILLISECS);
+    startTimer();
 
     /* Initialise the stats department */
     initStats();
@@ -218,7 +261,7 @@ hs_init(int *argc, char **argv[])
     initDefaultHandlers();
 #endif
  
-#if defined(mingw32_HOST_OS)
+#if defined(mingw32_HOST_OS) && !defined(THREADED_RTS)
     startupAsyncIO();
 #endif
 
@@ -232,7 +275,7 @@ hs_init(int *argc, char **argv[])
     x86_init_fpu();
 #endif
 
-#if defined(THREADED_RTS) && !defined(mingw32_HOST_OS)
+#if defined(THREADED_RTS)
     ioManagerStart();
 #endif
 
@@ -306,6 +349,8 @@ hs_add_root(void (*init_root)(void))
 
     freeGroup_lock(bd);
 
+    startupHpc();
+
 #if defined(PROFILING) || defined(DEBUG)
     // This must be done after module initialisation.
     // ToDo: make this work in the presence of multiple hs_add_root()s.
@@ -333,7 +378,11 @@ hs_exit(void)
     /* start timing the shutdown */
     stat_startExit();
     
-#if defined(THREADED_RTS) && !defined(mingw32_HOST_OS)
+#if defined(RTS_USER_SIGNALS)
+    freeSignalHandlers();
+#endif
+
+#if defined(THREADED_RTS)
     ioManagerDie();
 #endif
 
@@ -348,7 +397,7 @@ hs_exit(void)
     
     /* stop the ticker */
     stopTimer();
-    
+
     /* reset the standard file descriptors to blocking mode */
     resetNonBlockingFd(0);
     resetNonBlockingFd(1);
@@ -386,10 +435,34 @@ hs_exit(void)
     /* stop timing the shutdown, we're about to print stats */
     stat_endExit();
     
+    /* shutdown the hpc support (if needed) */
+    exitHpc();
+
     // clean up things from the storage manager's point of view.
     // also outputs the stats (+RTS -s) info.
     exitStorage();
     
+    /* free the tasks */
+    freeScheduler();
+
+    /* free shared Typeable store */
+    exitTypeableStore();
+
+    /* free the stable pointer table */
+    exitStablePtrTable();
+
+#if defined(PROFILING) || defined(DEBUG)
+    freeProfiling1();
+#endif
+
+#if defined(DEBUG)
+    /* free the thread label table */
+    freeThreadLabelTable();
+#endif
+
+    /* free hash table storage */
+    exitHashTable();
+
 #ifdef RTS_GTK_FRONTPANEL
     if (RtsFlags.GcFlags.frontpanel) {
        stopFrontPanel();
@@ -415,12 +488,18 @@ hs_exit(void)
     if (RtsFlags.TickyFlags.showTickyStats) PrintTickyInfo();
 #endif
 
-#if defined(mingw32_HOST_OS)
+#if defined(mingw32_HOST_OS) && !defined(THREADED_RTS)
     shutdownAsyncIO();
 #endif
 
-    // Finally, free all our storage.
+    // Finally, free all our storage
     freeStorage();
+
+#if defined(DEBUG)
+    /* and shut down the allocator debugging */
+    shutdownAllocator();
+#endif
+
 }
 
 // Compatibility interfaces
@@ -453,6 +532,8 @@ shutdownHaskellAndExit(int n)
 static int exit_started=rtsFalse;
 #endif
 
+void (*exitFn)(int) = 0;
+
 void  
 stg_exit(int n)
 { 
@@ -465,5 +546,7 @@ stg_exit(int n)
   IF_PAR_DEBUG(verbose, debugBelch("==-- stg_exit %d on [%x]...", n, mytid));
   shutdownParallelSystem(n);
 #endif
+  if (exitFn)
+    (*exitFn)(n);
   exit(n);
 }