[svn-r796] Pablo instrumentation support files.

1 files changed, 862 insertions, 0 deletions

diff --git a/pablo/PabloHDF.c b/pablo/PabloHDF.c
new file mode 100644
index 0000000..4907e28
--- /dev/null
+++ b/pablo/PabloHDF.c
@@ -0,0 +1,862 @@
+/*  This file is part of the Pablo Performance Analysis Environment
+// 
+//           (R)
+//  The Pablo    Performance Analysis Environment software is NOT in
+//  the public domain.  However, it is freely available without fee for
+//  education, research, and non-profit purposes.  By obtaining copies
+//  of this and other files that comprise the Pablo Performance Analysis
+//  Environment, you, the Licensee, agree to abide by the following
+//  conditions and understandings with respect to the copyrighted software:
+//  
+//  1.  The software is copyrighted in the name of the Board of Trustees
+//      of the University of Illinois (UI), and ownership of the software
+//      remains with the UI. 
+// 
+//  2.  Permission to use, copy, and modify this software and its documentation
+//      for education, research, and non-profit purposes is hereby granted
+//      to Licensee, provided that the copyright notice, the original author's
+//      names and unit identification, and this permission notice appear on
+//      all such copies, and that no charge be made for such copies.  Any
+//      entity desiring permission to incorporate this software into commercial
+//      products should contact:
+// 
+//           Professor Daniel A. Reed                 reed@cs.uiuc.edu
+//           University of Illinois
+//           Department of Computer Science
+//           2413 Digital Computer Laboratory
+//           1304 West Springfield Avenue
+//           Urbana, Illinois  61801
+//           USA
+// 
+//  3.  Licensee may not use the name, logo, or any other symbol of the UI
+//      nor the names of any of its employees nor any adaptation thereof in
+//      advertizing or publicity pertaining to the software without specific
+//      prior written approval of the UI.
+// 
+//  4.  THE UI MAKES NO REPRESENTATIONS ABOUT THE SUITABILITY OF THE
+//      SOFTWARE FOR ANY PURPOSE.  IT IS PROVIDED "AS IS" WITHOUT EXPRESS
+//      OR IMPLIED WARRANTY.
+// 
+//  5.  The UI shall not be liable for any damages suffered by Licensee from
+//      the use of this software.
+// 
+//  6.  The software was developed under agreements between the UI and the
+//      Federal Government which entitle the Government to certain rights.
+// 
+// *************************************************************************
+// 
+//  Developed by: The Pablo Research Group
+//                University of Illinois at Urbana-Champaign
+//                Department of Computer Science
+//                1304 W. Springfield Avenue
+//                Urbana, IL     61801
+// 
+//                http://www-pablo.cs.uiuc.edu
+// 
+//  Send comments to: pablo-feedback@guitar.cs.uiuc.edu
+// 
+//  Copyright (c) 1987-1998
+//  The University of Illinois Board of Trustees.
+//       All Rights Reserved.
+// 
+//  PABLO is a registered trademark of
+//  The Board of Trustees of the University of Illinois
+//  registered in the U.S. Patent and Trademark Office.
+// 
+//  Project Manager and Principal Investigator:
+//       Daniel A. Reed (reed@cs.uiuc.edu)
+// 
+// Funded in part by the Defense Advanced Research Projects Agency under 
+// DARPA contracts DABT63-94-C0049 (SIO Initiative), F30602-96-C-0161,
+// and DABT63-96-C-0027 by the National Science Foundation under the PACI 
+// program and grants NSF CDA 94-01124 and ASC 97-20202, and by the 
+// Department of Energy under contracts DOE B-341494, W-7405-ENG-48, and 
+// 1-B-333164.
+//========================================================================*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#ifndef fileno
+int fileno ( FILE * );
+#endif
+/* on ipsc/860 don't include this or you'll get multiply defined SEEK_* */
+#ifndef __NX
+#include <unistd.h>
+#endif
+
+#define HDFtrace3OPEN__
+int HDFtrace3OPEN( const char *, int, mode_t );
+
+/*#include "Assert_TrLib.h"*/
+#include "SDDFparam.h"
+#include "TraceParam.h"
+
+#include "SystemDepend.h"
+#include "Trace.h"
+
+#include "IO_TraceParams.h"
+#include "HDFIOTrace.h"
+
+#ifndef TRUE
+#define TRUE 1
+#endif
+
+#ifndef FALSE
+#define FALSE 0
+#endif
+
+/* mode_t is not defined on the ipsc/860 so we define it here */
+#ifdef __NX
+typedef unsigned int mode_t;
+#endif
+
+int OUTPUT_SWITCH;
+extern void preInitIOTrace( void ); 
+
+#include "ProcIDs.h"
+#include "HDFTrace.h"
+#include "IOTrace.h"
+#define NO_OUTPUT 0
+#define SDDF_OUTPUT 1
+#define RT_OUTPUT 2
+void HDFinitTrace_RT ( const char *, unsigned int );
+void HDFinitTrace_SDDF ( const char *, unsigned int );
+void hinittracex_ ( int [], int *, unsigned *, int * );
+void hdfendtrace_ ( void ) ;
+void HDFendTrace (void);
+void HDFendTrace_RT (void);
+void HDFendTrace_SDDF(void);
+void startHDFtraceEvent (int );
+int computeProcMask (int eventID);
+int computePacketTag(int eventID);
+void endHDFtraceEvent (int , int , char *, int );
+void traceEvent ( int , char *, unsigned );
+void HDFtraceEvent_RT ( int , HDFsetInfo *, unsigned );
+void HDFtraceIOEvent( int , void *, unsigned );
+uint procTrace;
+extern int IOtracingEnabled;
+char *hdfRecordPointer;
+/*======================================================================*
+// NAME									*
+//     HDFinitTrace -- initialize HDF tracing				*
+// USAGE								*
+//     VOID HDFinitTrace( traceFileName, procTraceMask, out_sw )	*
+//     char    *traceFileName;	IN: name of the generated trace output  *
+//				    file				*
+//     uint32  procTraceMask;	IN: families of procedures to trace	*
+//     int     out_sw		IN: indicates whether to produce SDDF	*
+//				    file or Final Summary		*
+// RETURNS								*
+//     None.								*
+//======================================================================*/
+/*======================================================================*
+// fortran to C interface.  To insure portability, the character array  *
+// passed in Fortran is converted to an integer array using the ICHAR	*
+// function.  This program converts it from integer to char, then 	*
+// passes it to the C initialization routine.				*
+//======================================================================*/
+void hinittracex_( int *file, int *len, unsigned *procMask, int *out_sw )
+{
+        char *fileName;
+	int i;
+	fileName = (char *)malloc(*len+1);
+	for ( i = 0; i < *len; ++i ) {
+	   fileName[i] = file[i];
+	}
+	fileName[*len+1] = 0;
+        HDFinitTrace ( fileName, *procMask, *out_sw );
+}
+void HDFinitTrace( const char *traceFileName, unsigned  procTraceMask, 
+	                                      unsigned  out_sw )
+{
+	OUTPUT_SWITCH = out_sw;
+	if ( out_sw == SDDF_OUTPUT ) {
+	   HDFinitTrace_SDDF( traceFileName, procTraceMask );
+	   IOtracingEnabled = 1;
+	} else if ( out_sw == RT_OUTPUT ) {
+	   HDFinitTrace_RT( traceFileName, procTraceMask );
+	   IOtracingEnabled = 1;
+	} else if ( out_sw == NO_OUTPUT ) {
+	   procTrace = 0;
+	   IOtracingEnabled = 0;
+	} else {
+	   fprintf(stderr,">> Error in HDFinitTrace: the third argument ");
+           fprintf(stderr,"must have the value 0, 1, <<<\n");
+	   fprintf(stderr,">> or 2.  The value received was %u.", out_sw);
+	   fprintf(stderr," Exiting program.                  <<<\n");
+	   exit (-1);
+	}
+}
+/*======================================================================*
+// NAME									*
+//     HDFendTrace -- end HDF tracing					*
+// USAGE								*
+//     VOID HDFendTrace(VOID)						*
+// RETURNS								*
+//     None.								*
+//======================================================================*/
+void hdfendtrace_( void ) 
+{
+	HDFendTrace ();
+}
+void HDFendTrace(void)
+{
+	if ( OUTPUT_SWITCH == SDDF_OUTPUT ) {
+	   HDFendTrace_SDDF( );
+	} else if ( OUTPUT_SWITCH == RT_OUTPUT ) {
+	   HDFendTrace_RT( );
+	}
+	procTrace = 0;
+}
+void startHDFtraceEvent(int eventID)
+{
+	if ( OUTPUT_SWITCH == SDDF_OUTPUT ) {
+	   traceEvent( eventID, NULL, 0 ) ;
+	} else {
+	   HDFtraceEvent_RT( eventID, NULL, 0 ) ;
+	} 
+}
+void endHDFtraceEvent(int eventID, int setID, char *setName, int IDtype )
+{
+	HDFsetInfo info;
+	info.setID = setID;
+	info.setName = setName;
+	if ( OUTPUT_SWITCH == SDDF_OUTPUT ) {
+	   traceEvent( eventID, (char *)&info, 0 ) ;
+	} else if (OUTPUT_SWITCH == RT_OUTPUT ) {
+	   HDFtraceEvent_RT( eventID, &info, 0 ) ;
+	} else if ( OUTPUT_SWITCH < 0 ) {
+	   fprintf(stderr,"endHDFtraceEvent: ");
+	   fprintf(stderr,"invalid OUTPUT_SWITCH %d, IDtype = %d\n",
+                                                  OUTPUT_SWITCH, IDtype ) ;
+	}
+}
+/******************************************************************************/
+
+/*+	Open routines      			                             +*/
+/*+     -------------            				             +*/
+/*+	                                                                     +*/
+/*+ Routine:  FILE *HDFtraceFOPEN( const char *filename, const char *type )  +*/
+/*+		  substitute for fopen()                                     +*/
+/*+     	  generates fopenBeginID, fopenEndID		             +*/
+/*+		  record Open (fopenBegin)                                   +*/
+/*+			Mode = -1                                            +*/
+/*+									     +*/
+FILE *HDFtraceFOPEN( const char *filename, const char *type )
+{
+    FILE *fp;
+    int fd, id;
+    int flags = 0;
+    struct open_args openArgs;
+    size_t typeLen;
+	
+    if ( IOtracingEnabled ) {
+        strcpy( openArgs.filename, filename );
+	 
+	/* check for 'b' - usually if 2 chars, second is '+' */
+	typeLen = strlen( type );
+	if ( ( typeLen == 2 ) && ( type [1] == 'b' ) ) {
+	    typeLen = 1;
+	}
+
+        if ( typeLen == 1 ) {
+            switch( type[0] ) {
+              case 'r':
+                  flags = flags | O_RDONLY;
+                  break;
+              case 'w':
+                  flags = O_TRUNC | O_CREAT | O_WRONLY;
+                  break;
+              case 'a':
+                  flags = flags | O_APPEND | O_CREAT | O_WRONLY;
+                  break;
+            }
+        } else {
+            switch( type[0] ) {
+              case 'r':
+                  flags = O_RDWR;
+                  break;
+              case 'w':
+                  flags = O_TRUNC | O_CREAT | O_RDWR;
+                  break;
+              case 'a':
+                  flags = O_APPEND | O_CREAT | O_RDWR;
+                  break;    
+            }
+        }
+        openArgs.flags = flags;
+        openArgs.mode= -1;
+
+        HDFtraceIOEvent( fopenBeginID, (void *)&openArgs, sizeof(openArgs) );
+    }
+
+    fp = fopen( filename, type );
+    if ( fp != NULL ) {
+	fd = fileno( fp );
+        id = set_c_mappedID( fd );
+    } else {
+        id = -1;
+    }
+
+    if ( IOtracingEnabled ) {
+        HDFtraceIOEvent( fopenEndID, (void *) &id, int_SIZE );   
+    }
+
+    return( fp );
+}
+
+/*+	Routine:  int HDFtraceCREAT( const char *path, mode_t mode )         +*/
+/*+		  substitute for creat()                                     +*/
+/*+     	  generates openBeginID, openEndID		             +*/
+/*+		  record Open (openBeginID)                                  +*/
+/*+									     +*/
+int HDFtraceCREAT( const char *path, mode_t mode )
+{
+    struct open_args openArgs;
+    int fd;
+    int id;
+
+    if ( IOtracingEnabled ) {
+        strcpy( openArgs.filename, path );
+        openArgs.flags = O_WRONLY | O_CREAT | O_TRUNC;
+        openArgs.mode = (int) mode;
+
+        HDFtraceIOEvent( openBeginID, (void *)&openArgs, sizeof(openArgs) );
+    }
+
+    fd = creat( path, mode );
+    id = set_c_mappedID( fd );
+
+    if ( IOtracingEnabled ) {
+        HDFtraceIOEvent( openEndID, (void *) &id, int_SIZE );
+    }
+
+    return( fd );
+}
+
+/******************************************************************************/
+
+/*+	Flush routines				                             +*/
+/*+     --------------				                             +*/
+/*+	                                                                     +*/
+/*+	Routine:  int HDFtraceFFLUSH( FILE *stream )                         +*/
+/*+		  substitute for fflush()                                    +*/
+/*+               generates fflushBeginID, fflushEndID                       +*/
+/*+	          record Flush (fflushBeginID)                               +*/
+/*+									     +*/
+int HDFtraceFFLUSH( FILE *stream )
+{
+    int ret;
+    int id;
+    int fd;
+
+    if ( IOtracingEnabled ) {
+	/*
+	 * If stream is NULL, all files open for write are flushed.
+	 * We show this with a -2 in the trace record as too much overhead
+	 * to try and tell what files those are and generate individual
+	 * trace records.
+	 */
+        if ( stream == NULL ) {   
+	    id = -2;
+        } else {
+            fd = fileno( stream );
+	    id = c_mappedID( fd );
+            HDFtraceIOEvent( fflushBeginID, (void *) 0, int_SIZE );
+        }
+    }
+
+    ret = fflush( stream );
+
+    if ( IOtracingEnabled ) {
+        HDFtraceIOEvent( fflushEndID, (void *) &id, 0 );
+    }
+
+    /* 
+     * Note that if fflush called on stream open for reading, the file pointer
+     * is moved to EOF if it isn't there already.  We don't account for that
+     * in our file positioning information.
+     */
+
+    return( ret );
+}
+
+/******************************************************************************/
+/*+	Close routines				                             +*/
+/*+     --------------				                             +*/
+/*+	                                                                     +*/
+/*+	Routine:  int HDFtraceFCLOSE( FILE *stream )                         +*/
+/*+		  substitute for fclose()                                    +*/
+/*+               generates fcloseBeginID, fcloseEndID                       +*/
+/*+	          record Close (fcloseBeginID)                               +*/
+/*+									     +*/
+int HDFtraceFCLOSE( FILE *stream )
+{
+    int ret;
+    int id;
+    int fd = fileno( stream );
+
+    if ( IOtracingEnabled ) {
+	id = c_mappedID( fd );
+        HDFtraceIOEvent( fcloseBeginID, (void *) &id, int_SIZE );
+    }
+
+    ret = fclose( stream );
+
+    if ( IOtracingEnabled ) {
+        HDFtraceIOEvent( fcloseEndID, (void *) 0, 0 );
+    }
+
+    return( ret );
+}
+
+/*+     Routine:  int HDFtrace3OPEN( char *path, int flags, mode_t mode )    +*/
+/*+               substitute for open() when called with 3 arguments         +*/
+/*+               generates openBeginID, openEndID                           +*/
+/*+               record Open (openBeginID)                                  +*/
+/*+                                                                          +*/
+int HDFtrace3OPEN( const char *path, int flags, mode_t mode )
+{
+    struct open_args openArgs;
+    int fd;
+    int id;
+
+    if ( IOtracingEnabled ) {
+        strcpy( openArgs.filename, path );
+        openArgs.flags = flags;
+        openArgs.mode = (int) mode;
+
+        HDFtraceIOEvent( openBeginID, (char *)&openArgs, sizeof(openArgs) );
+    }
+
+    fd = open( path, flags, mode );
+    id = set_c_mappedID( fd );
+
+    if ( IOtracingEnabled ) {
+        HDFtraceIOEvent( openEndID, (char *) &id, int_SIZE );
+    }
+
+    return( fd );
+}
+
+/*+	Routine:  int HDFtraceCLOSE( int fd )	                             +*/
+/*+		  substitute for close()              			     +*/
+/*+               generates closeBeginID, closeEndID 		             +*/
+/*+		  record Close (closeBeginID)                                +*/
+/*+									     +*/
+int HDFtraceCLOSE( int fd )
+{
+    int ret;
+    int id;
+
+    if ( IOtracingEnabled ) {
+	id = c_mappedID( fd );
+        HDFtraceIOEvent( closeBeginID, (void *) &id, int_SIZE );
+    }
+
+    ret = close( fd );
+
+    if ( IOtracingEnabled ) {
+        HDFtraceIOEvent( closeEndID, (void *) 0, 0 );
+    }
+
+    return( ret );
+}
+
+/******************************************************************************/
+/*+	Read routines	            			                     +*/
+/*+     -------------			            	                     +*/
+/*+	                                                                     +*/
+/*+	Routine:  int HDFtraceREAD( int fd, char *buf, int nbyte )           +*/
+/*+		  substitute for read()                                      +*/
+/*+               generates readBeginID, readEndID                           +*/
+/*+	          record Read (readBeginID)                                  +*/
+/*+                      Number Variables = 1                                +*/
+/*+			 Cause = -1                                          +*/
+/*+									     +*/
+size_t HDFtraceREAD( int fd, char *buf, int nbyte )
+{
+    struct read_write_args readArgs;  
+    size_t ret;
+    int bytes;
+
+    if ( IOtracingEnabled ) {
+        readArgs.fileID = c_mappedID( fd );
+        readArgs.numVariables = 1;
+        readArgs.cause = -1;   
+
+        HDFtraceIOEvent( readBeginID, (void *) &readArgs, sizeof(readArgs) );
+    }
+
+    ret = read( fd, buf, nbyte );
+
+    if ( IOtracingEnabled ) {
+        if ( ret > 0 ) {
+           bytes = (int)ret;
+	} else { 
+           bytes = 0;
+	} 
+        HDFtraceIOEvent( readEndID, (void *) &bytes, int_SIZE );
+    }
+
+    return( ret );
+}
+       
+/*+	Routine:  int HDFtraceFREAD( char *ptr, int size, int nitems,        +*/
+/*+			          FILE *stream)                              +*/
+/*+		  substitute for fread()                                     +*/
+/*+               generates freadBeginID, freadEndID                         +*/
+/*+	          record Read (freadBeginID)                                 +*/
+/*+                      Number Variables = nitems                           +*/
+/*+			 Cause = -1                                          +*/
+/*+									     +*/
+size_t HDFtraceFREAD( void *ptr, int size, int nitems, FILE *stream )
+{
+    struct read_write_args readArgs;  
+    size_t ret;
+    int nbytes;
+    int fd = fileno( stream );
+
+    if ( IOtracingEnabled ) {
+        readArgs.fileID = c_mappedID( fd );
+        readArgs.numVariables = nitems;
+        readArgs.cause = -1;
+        HDFtraceIOEvent( freadBeginID, (void *) &readArgs, sizeof(readArgs) );
+    }
+
+    ret = fread( ptr, size, nitems, stream );
+
+    if ( IOtracingEnabled ) {
+        if ( ret > 0 ) {
+           nbytes = (int)ret * size ;
+	} else {
+           nbytes = 0;
+	}
+        HDFtraceIOEvent( freadEndID, (void *) &nbytes, int_SIZE );
+    }
+
+    return( ret );
+}
+
+       
+/******************************************************************************/
+/*+	Seek routines            			                     +*/
+/*+     -------------			            	                     +*/
+/*+	                                                                     +*/
+/*+	Routine:  off_t HDFtraceLSEEK( int fd, off_t offset, int whence )    +*/
+/*+		  substitute for lseek()                                     +*/
+/*+               generates lseekBeginID, lseekEndID                         +*/
+/*+	          record Seek (lseekBeginID)                                 +*/
+/*+									     +*/
+off_t HDFtraceLSEEK( int fd, off_t offset, int whence )
+{
+    struct seek_args seekArgs;
+    off_t ret;
+    long  arg;
+
+    if ( IOtracingEnabled ) {
+        seekArgs.fileID = c_mappedID( fd );
+        seekArgs.offset = (int) offset;
+        seekArgs.whence = whence;
+
+        HDFtraceIOEvent( lseekBeginID, (void *) &seekArgs, sizeof(seekArgs) );
+    }
+
+    ret = lseek( fd, offset, whence );
+
+    if ( IOtracingEnabled ) {
+	arg = (long) ret;
+        HDFtraceIOEvent( lseekEndID, (void *)&arg, long_SIZE );
+    }
+
+    return( ret );
+}
+
+/*+ routine:  int HDF traceFSEEK( FILE *stream, long offset, int whence )    +*/
+/*+		  substitute for fseek()                                     +*/
+/*+               generates fseekBeginID, fseekEndID                         +*/
+/*+	          record Seek (fseekBeginID)                                 +*/
+/*+									     +*/
+int HDFtraceFSEEK( FILE *stream, long offset, int whence )
+{
+    struct seek_args seekArgs;
+    int ret;
+    long arg;
+    int fd = fileno( stream );
+
+    if ( IOtracingEnabled ) {
+        seekArgs.fileID = c_mappedID( fd );;
+        seekArgs.offset = (int) offset;
+        seekArgs.whence = whence;
+
+        HDFtraceIOEvent( fseekBeginID, (void *) &seekArgs, sizeof(seekArgs) );
+    }
+
+    ret = fseek( stream, offset, whence );
+
+    if ( IOtracingEnabled ) {
+	arg = ftell( stream );
+        HDFtraceIOEvent( fseekEndID, (void *)&arg, long_SIZE );
+    }
+
+    return( ret );
+}
+
+#ifdef fpos_t
+/*+ Routine:  int HDFtraceFSETPOS( FILE *stream, const fpos_t *position )   +*/
+/*+		  substitute for fsetpos()                                   +*/
+/*+               generates fsetposBeginID, fsetposEndID                     +*/
+/*+	          record Seek (fsetposBeginID)                               +*/
+/*+									     +*/
+int HDFtraceFSETPOS( FILE stream, const fpos_t *position )
+{
+    struct seek_args seekArgs;
+    int ret;
+    long arg;
+    int fd = fileno( stream );
+
+    if ( IOtracingEnabled ) {
+        seekArgs.fileID = c_mappedID( fd );;
+        seekArgs.offset = (int) *position;
+        seekArgs.whence = SEEK_SET;
+
+        HDFtraceIOEvent( fsetposBeginID, (void *) &seekArgs, sizeof(seekArgs) );
+    }
+
+    ret = fsetpos( stream, position );
+
+    if ( IOtracingEnabled ) {
+	arg = (long) *position;
+        HDFtraceIOEvent( fsetposEndID, (void *)&arg, long_SIZE );
+    }
+
+    return( ret );
+}
+#endif /* fpos_t */
+
+/*+	Routine:  void HDFtraceREWIND ( FILE *stream )                       +*/
+/*+		  substitute for rewind()                                    +*/
+/*+               generates rewindBeginID, rewindEndID                       +*/
+/*+	          record Seek (rewindBeginID)                                +*/
+/*+                    	 Offset = 0                                          +*/
+/*+			 Whence = SEEK_SET                                   +*/
+/*+									     +*/
+void HDFtraceREWIND( FILE *stream )
+{
+    struct seek_args seekArgs;
+    long arg;
+    int fd = fileno( stream );
+
+    if ( IOtracingEnabled ) {
+        seekArgs.fileID = c_mappedID( fd );
+        seekArgs.offset = 0;
+        seekArgs.whence = SEEK_SET;
+
+        HDFtraceIOEvent( rewindBeginID, (void *) &seekArgs, sizeof(seekArgs) );
+    }
+
+    rewind( stream );
+
+    if ( IOtracingEnabled ) {
+	arg = 0;
+        HDFtraceIOEvent( rewindEndID, (void *)&arg, long_SIZE );
+    }
+
+    return;
+}
+
+/******************************************************************************/
+/*+	Write routines            			                     +*/
+/*+     --------------			            	                     +*/
+/*+	                                                                     +*/
+/*+  Routine:  int HDFtraceWRITE( int fd, char *buf, int nbyte )             +*/
+/*+		  substitute for write()                                     +*/
+/*+               generates writeBeginID, writeEndID                         +*/
+/*+	          record Write (writeBeginID)                                +*/
+/*+                    	 Number Variables = 1                                +*/
+/*+			 Cause = -1                                          +*/
+/*+									     +*/
+size_t HDFtraceWRITE( int fd, const char *buf, int nbyte )
+{
+    struct read_write_args writeArgs;
+    size_t ret;
+    int bytes;
+
+    if ( IOtracingEnabled ) {
+        writeArgs.fileID = c_mappedID( fd );
+        writeArgs.numVariables = 1;
+        writeArgs.cause = -1;
+
+        HDFtraceIOEvent( writeBeginID, (void *) &writeArgs, sizeof(writeArgs) );
+    }
+
+    ret = write( fd, buf, nbyte );
+
+    if ( IOtracingEnabled ) {
+        if ( ret > 0 ) {
+           bytes =  (int)ret;
+	} else {
+	   bytes = 0;
+	}
+        HDFtraceIOEvent( writeEndID, (void *) &bytes, int_SIZE );
+    }
+    return( ret );
+}  
+
+/*+  Routine:  size_t HDFtraceFWRITE( const char *ptr, int size, int nitems, +*/
+/*+                                FILE *stream )                            +*/
+/*+		  substitute for fwrite()                                    +*/
+/*+               generates fwriteBeginID, fwriteEndID                       +*/
+/*+	          record Write (fwriteBeginID)                               +*/
+/*+                    	 Number Variables = nitems                           +*/
+/*+			 Cause = -1                                          +*/
+/*+									     +*/
+size_t HDFtraceFWRITE( const char *ptr, int size, int nitems, FILE *stream )
+{
+    struct read_write_args writeArgs;
+    size_t ret;
+    int nbytes;
+    int fd = fileno( stream );
+
+    if ( IOtracingEnabled ) {
+        writeArgs.fileID = c_mappedID( fd );
+        writeArgs.numVariables = nitems;
+        writeArgs.cause = -1;
+
+      HDFtraceIOEvent( fwriteBeginID, (void *) &writeArgs, sizeof(writeArgs) );
+    }
+
+    ret = fwrite( ptr, size, nitems, stream );
+
+    if ( IOtracingEnabled ) {
+        if ( ret > 0 ) {
+           nbytes = (int)ret * size ;
+	} else {
+           nbytes = 0;
+	} 
+        HDFtraceIOEvent( fwriteEndID, (void *) &nbytes, int_SIZE );
+    }
+
+    return( ret );
+}
+
+/*+  Routine:  int HDFtracePUTS( char *s )                                   +*/
+/*+		  substitute for puts()                                      +*/
+/*+               generates fwriteBeginID, fwriteEndID                       +*/
+/*+	          record Write (fwriteBeginID)                               +*/
+/*+                    	 Number Variables = 1                                +*/
+/*+			 Cause = -1                                          +*/
+/*+									     +*/
+int HDFtracePUTS( char *s )
+{
+    struct read_write_args writeArgs;
+    int ret;
+    int fd = fileno( stdout );
+
+    if ( IOtracingEnabled ) {
+        writeArgs.fileID = c_mappedID( fd );
+        writeArgs.numVariables = 1;
+        writeArgs.cause = -1;
+
+        HDFtraceIOEvent( fwriteBeginID, (void *) &writeArgs, sizeof(writeArgs) );
+    }
+
+    ret = puts( s );
+
+    if ( IOtracingEnabled ) {
+        HDFtraceIOEvent( fwriteEndID, (void *) &ret, int_SIZE );
+    }
+
+    return( ret );
+}
+       
+/*+	Routine:  int HDFtraceFPUTC( int c, FILE *stream )                   +*/
+/*+		  substitute for fputc()                                     +*/
+/*+               generates fwriteBeginID, fwriteEndID                       +*/
+/*+	          record Write (fwriteBeginID)                               +*/
+/*+                    	 Number Variables = 1                                +*/
+/*+			 Cause = -1                                          +*/
+/*+									     +*/
+int HDFtraceFPUTC( int c, FILE *stream )
+{
+    struct read_write_args writeArgs;
+    int ret; 
+    int nbytes = char_SIZE;
+    int fd = fileno( stream );
+
+    if ( IOtracingEnabled ) {
+        writeArgs.fileID = c_mappedID( fd );
+        writeArgs.numVariables = 1;
+        writeArgs.cause = -1;
+
+        HDFtraceIOEvent( fwriteBeginID, (void *) &writeArgs, sizeof(writeArgs) );
+    }
+
+    ret = fputc( c, stream );
+
+    if ( IOtracingEnabled ) {
+	if ( ret == EOF ) {
+	    nbytes = 0;
+            HDFtraceIOEvent( fwriteEndID, (void *) &nbytes, int_SIZE );
+	}
+    }
+
+    return( ret );
+}
+/*+  Routine:  int HDFtraceFPUTS( char *s, FILE *stream )                    +*/
+/*+		  substitute for fputs()                                     +*/
+/*+               generates fwriteBeginID, fwriteEndID                       +*/
+/*+	          record Write (fwriteBeginID)                               +*/
+/*+                    	 Number Variables = 1                                +*/
+/*+			 Cause = -1                                          +*/
+/*+									     +*/
+int HDFtraceFPUTS( const char *s, FILE *stream )
+{
+    struct read_write_args writeArgs;
+    int ret;
+    int fd = fileno( stream );
+
+    if ( IOtracingEnabled ) {
+        writeArgs.fileID = c_mappedID( fd );
+        writeArgs.numVariables = 1;
+        writeArgs.cause = -1;
+
+        HDFtraceIOEvent(fwriteBeginID, (void *)&writeArgs, sizeof(writeArgs));
+    }
+
+    ret = fputs( s, stream );
+
+    if ( IOtracingEnabled ) {
+        HDFtraceIOEvent( fwriteEndID, (void *) &ret, int_SIZE );
+    }
+
+    return( ret );
+}
+void *HDFtraceMALLOC(size_t bytes )
+{
+	void *ptr;
+	size_t byte_req;
+	byte_req = bytes;
+	if ( IOtracingEnabled ) {
+	   HDFtraceIOEvent ( ID_malloc, &byte_req, sizeof(size_t) );
+	}
+	
+	ptr = malloc( bytes );
+
+	if ( IOtracingEnabled ) {
+	   HDFtraceIOEvent ( -ID_malloc, NULL, 0 );
+	}
+	
+	return ptr ;
+
+}
+	
+void HDFtraceIOEvent( int eventType, void *dataPtr, unsigned dataLen )
+{
+        if ( OUTPUT_SWITCH == 1 ) {
+           traceEvent( eventType, dataPtr, dataLen );
+        } else {
+           HDFtraceEvent_RT( eventType, (HDFsetInfo *)dataPtr, dataLen );
+        }
+}