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-rw-r--r--gprof/printgprof.c704
1 files changed, 704 insertions, 0 deletions
diff --git a/gprof/printgprof.c b/gprof/printgprof.c
new file mode 100644
index 0000000..ce78852
--- /dev/null
+++ b/gprof/printgprof.c
@@ -0,0 +1,704 @@
+/*
+ * Copyright (c) 1983 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that: (1) source distributions retain this entire copyright
+ * notice and comment, and (2) distributions including binaries display
+ * the following acknowledgement: ``This product includes software
+ * developed by the University of California, Berkeley and its contributors''
+ * in the documentation or other materials provided with the distribution
+ * and in all advertising materials mentioning features or use of this
+ * software. Neither the name of the University nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)printgprof.c 5.7 (Berkeley) 6/1/90";
+#endif /* not lint */
+
+#include "gprof.h"
+#include "pathnames.h"
+
+printprof()
+{
+ register nltype *np;
+ nltype **sortednlp;
+ int index, timecmp();
+
+ actime = 0.0;
+ printf( "\f\n" );
+ flatprofheader();
+ /*
+ * Sort the symbol table in by time
+ */
+ sortednlp = (nltype **) calloc( nname , sizeof(nltype *) );
+ if ( sortednlp == (nltype **) 0 ) {
+ fprintf( stderr , "[printprof] ran out of memory for time sorting\n" );
+ }
+ for ( index = 0 ; index < nname ; index += 1 ) {
+ sortednlp[ index ] = &nl[ index ];
+ }
+ qsort( sortednlp , nname , sizeof(nltype *) , timecmp );
+ for ( index = 0 ; index < nname ; index += 1 ) {
+ np = sortednlp[ index ];
+ flatprofline( np );
+ }
+ actime = 0.0;
+ cfree( sortednlp );
+}
+
+timecmp( npp1 , npp2 )
+ nltype **npp1, **npp2;
+{
+ double timediff;
+ long calldiff;
+
+ timediff = (*npp2) -> time - (*npp1) -> time;
+ if ( timediff > 0.0 )
+ return 1 ;
+ if ( timediff < 0.0 )
+ return -1;
+ calldiff = (*npp2) -> ncall - (*npp1) -> ncall;
+ if ( calldiff > 0 )
+ return 1;
+ if ( calldiff < 0 )
+ return -1;
+ return( strcmp( (*npp1) -> name , (*npp2) -> name ) );
+}
+
+ /*
+ * header for flatprofline
+ */
+flatprofheader()
+{
+
+ if ( bflag ) {
+ printblurb( _PATH_FLAT_BLURB );
+ }
+ printf( "\ngranularity: each sample hit covers %d byte(s)" ,
+ (long) scale * sizeof(UNIT) );
+ if ( totime > 0.0 ) {
+ printf( " for %.2f%% of %.2f seconds\n\n" ,
+ 100.0/totime , totime / hz );
+ } else {
+ printf( " no time accumulated\n\n" );
+ /*
+ * this doesn't hurt sinc eall the numerators will be zero.
+ */
+ totime = 1.0;
+ }
+ printf( "%5.5s %10.10s %8.8s %8.8s %8.8s %8.8s %-8.8s\n" ,
+ "% " , "cumulative" , "self " , "" , "self " , "total " , "" );
+ printf( "%5.5s %10.10s %8.8s %8.8s %8.8s %8.8s %-8.8s\n" ,
+ "time" , "seconds " , "seconds" , "calls" ,
+ "ms/call" , "ms/call" , "name" );
+}
+
+flatprofline( np )
+ register nltype *np;
+{
+
+ if ( zflag == 0 && np -> ncall == 0 && np -> time == 0 ) {
+ return;
+ }
+ actime += np -> time;
+ printf( "%5.1f %10.2f %8.2f" ,
+ 100 * np -> time / totime , actime / hz , np -> time / hz );
+ if ( np -> ncall != 0 ) {
+ printf( " %8d %8.2f %8.2f " , np -> ncall ,
+ 1000 * np -> time / hz / np -> ncall ,
+ 1000 * ( np -> time + np -> childtime ) / hz / np -> ncall );
+ } else {
+ printf( " %8.8s %8.8s %8.8s " , "" , "" , "" );
+ }
+ printname( np );
+ printf( "\n" );
+}
+
+gprofheader()
+{
+
+ if ( bflag ) {
+ printblurb( _PATH_CALLG_BLURB );
+ }
+ printf( "\ngranularity: each sample hit covers %d byte(s)" ,
+ (long) scale * sizeof(UNIT) );
+ if ( printtime > 0.0 ) {
+ printf( " for %.2f%% of %.2f seconds\n\n" ,
+ 100.0/printtime , printtime / hz );
+ } else {
+ printf( " no time propagated\n\n" );
+ /*
+ * this doesn't hurt, since all the numerators will be 0.0
+ */
+ printtime = 1.0;
+ }
+ printf( "%6.6s %5.5s %7.7s %11.11s %7.7s/%-7.7s %-8.8s\n" ,
+ "" , "" , "" , "" , "called" , "total" , "parents");
+ printf( "%-6.6s %5.5s %7.7s %11.11s %7.7s+%-7.7s %-8.8s\t%5.5s\n" ,
+ "index" , "%time" , "self" , "descendents" ,
+ "called" , "self" , "name" , "index" );
+ printf( "%6.6s %5.5s %7.7s %11.11s %7.7s/%-7.7s %-8.8s\n" ,
+ "" , "" , "" , "" , "called" , "total" , "children");
+ printf( "\n" );
+}
+
+gprofline( np )
+ register nltype *np;
+{
+ char kirkbuffer[ BUFSIZ ];
+
+ sprintf( kirkbuffer , "[%d]" , np -> index );
+ printf( "%-6.6s %5.1f %7.2f %11.2f" ,
+ kirkbuffer ,
+ 100 * ( np -> propself + np -> propchild ) / printtime ,
+ np -> propself / hz ,
+ np -> propchild / hz );
+ if ( ( np -> ncall + np -> selfcalls ) != 0 ) {
+ printf( " %7d" , np -> ncall );
+ if ( np -> selfcalls != 0 ) {
+ printf( "+%-7d " , np -> selfcalls );
+ } else {
+ printf( " %7.7s " , "" );
+ }
+ } else {
+ printf( " %7.7s %7.7s " , "" , "" );
+ }
+ printname( np );
+ printf( "\n" );
+}
+
+printgprof(timesortnlp)
+ nltype **timesortnlp;
+{
+ int index;
+ nltype *parentp;
+
+ /*
+ * Print out the structured profiling list
+ */
+ gprofheader();
+ for ( index = 0 ; index < nname + ncycle ; index ++ ) {
+ parentp = timesortnlp[ index ];
+ if ( zflag == 0 &&
+ parentp -> ncall == 0 &&
+ parentp -> selfcalls == 0 &&
+ parentp -> propself == 0 &&
+ parentp -> propchild == 0 ) {
+ continue;
+ }
+ if ( ! parentp -> printflag ) {
+ continue;
+ }
+ if ( parentp -> name == 0 && parentp -> cycleno != 0 ) {
+ /*
+ * cycle header
+ */
+ printcycle( parentp );
+ printmembers( parentp );
+ } else {
+ printparents( parentp );
+ gprofline( parentp );
+ printchildren( parentp );
+ }
+ printf( "\n" );
+ printf( "-----------------------------------------------\n" );
+ printf( "\n" );
+ }
+ cfree( timesortnlp );
+}
+
+ /*
+ * sort by decreasing propagated time
+ * if times are equal, but one is a cycle header,
+ * say that's first (e.g. less, i.e. -1).
+ * if one's name doesn't have an underscore and the other does,
+ * say the one is first.
+ * all else being equal, sort by names.
+ */
+int
+totalcmp( npp1 , npp2 )
+ nltype **npp1;
+ nltype **npp2;
+{
+ register nltype *np1 = *npp1;
+ register nltype *np2 = *npp2;
+ double diff;
+
+ diff = ( np1 -> propself + np1 -> propchild )
+ - ( np2 -> propself + np2 -> propchild );
+ if ( diff < 0.0 )
+ return 1;
+ if ( diff > 0.0 )
+ return -1;
+ if ( np1 -> name == 0 && np1 -> cycleno != 0 )
+ return -1;
+ if ( np2 -> name == 0 && np2 -> cycleno != 0 )
+ return 1;
+ if ( np1 -> name == 0 )
+ return -1;
+ if ( np2 -> name == 0 )
+ return 1;
+ if ( *(np1 -> name) != '_' && *(np2 -> name) == '_' )
+ return -1;
+ if ( *(np1 -> name) == '_' && *(np2 -> name) != '_' )
+ return 1;
+ if ( np1 -> ncall > np2 -> ncall )
+ return -1;
+ if ( np1 -> ncall < np2 -> ncall )
+ return 1;
+ return strcmp( np1 -> name , np2 -> name );
+}
+
+printparents( childp )
+ nltype *childp;
+{
+ nltype *parentp;
+ arctype *arcp;
+ nltype *cycleheadp;
+
+ if ( childp -> cyclehead != 0 ) {
+ cycleheadp = childp -> cyclehead;
+ } else {
+ cycleheadp = childp;
+ }
+ if ( childp -> parents == 0 ) {
+ printf( "%6.6s %5.5s %7.7s %11.11s %7.7s %7.7s <spontaneous>\n" ,
+ "" , "" , "" , "" , "" , "" );
+ return;
+ }
+ sortparents( childp );
+ for ( arcp = childp -> parents ; arcp ; arcp = arcp -> arc_parentlist ) {
+ parentp = arcp -> arc_parentp;
+ if ( childp == parentp ||
+ ( childp->cycleno != 0 && parentp->cycleno == childp->cycleno ) ) {
+ /*
+ * selfcall or call among siblings
+ */
+ printf( "%6.6s %5.5s %7.7s %11.11s %7d %7.7s " ,
+ "" , "" , "" , "" ,
+ arcp -> arc_count , "" );
+ printname( parentp );
+ printf( "\n" );
+ } else {
+ /*
+ * regular parent of child
+ */
+ printf( "%6.6s %5.5s %7.2f %11.2f %7d/%-7d " ,
+ "" , "" ,
+ arcp -> arc_time / hz , arcp -> arc_childtime / hz ,
+ arcp -> arc_count , cycleheadp -> ncall );
+ printname( parentp );
+ printf( "\n" );
+ }
+ }
+}
+
+printchildren( parentp )
+ nltype *parentp;
+{
+ nltype *childp;
+ arctype *arcp;
+
+ sortchildren( parentp );
+ arcp = parentp -> children;
+ for ( arcp = parentp -> children ; arcp ; arcp = arcp -> arc_childlist ) {
+ childp = arcp -> arc_childp;
+ if ( childp == parentp ||
+ ( childp->cycleno != 0 && childp->cycleno == parentp->cycleno ) ) {
+ /*
+ * self call or call to sibling
+ */
+ printf( "%6.6s %5.5s %7.7s %11.11s %7d %7.7s " ,
+ "" , "" , "" , "" , arcp -> arc_count , "" );
+ printname( childp );
+ printf( "\n" );
+ } else {
+ /*
+ * regular child of parent
+ */
+ printf( "%6.6s %5.5s %7.2f %11.2f %7d/%-7d " ,
+ "" , "" ,
+ arcp -> arc_time / hz , arcp -> arc_childtime / hz ,
+ arcp -> arc_count , childp -> cyclehead -> ncall );
+ printname( childp );
+ printf( "\n" );
+ }
+ }
+}
+
+printname( selfp )
+ nltype *selfp;
+{
+
+ if ( selfp -> name != 0 ) {
+ printf( "%s" , selfp -> name );
+# ifdef DEBUG
+ if ( debug & DFNDEBUG ) {
+ printf( "{%d} " , selfp -> toporder );
+ }
+ if ( debug & PROPDEBUG ) {
+ printf( "%5.2f%% " , selfp -> propfraction );
+ }
+# endif DEBUG
+ }
+ if ( selfp -> cycleno != 0 ) {
+ printf( " <cycle %d>" , selfp -> cycleno );
+ }
+ if ( selfp -> index != 0 ) {
+ if ( selfp -> printflag ) {
+ printf( " [%d]" , selfp -> index );
+ } else {
+ printf( " (%d)" , selfp -> index );
+ }
+ }
+}
+
+sortchildren( parentp )
+ nltype *parentp;
+{
+ arctype *arcp;
+ arctype *detachedp;
+ arctype sorted;
+ arctype *prevp;
+
+ /*
+ * unlink children from parent,
+ * then insertion sort back on to sorted's children.
+ * *arcp the arc you have detached and are inserting.
+ * *detachedp the rest of the arcs to be sorted.
+ * sorted arc list onto which you insertion sort.
+ * *prevp arc before the arc you are comparing.
+ */
+ sorted.arc_childlist = 0;
+ for ( (arcp = parentp -> children)&&(detachedp = arcp -> arc_childlist);
+ arcp ;
+ (arcp = detachedp)&&(detachedp = detachedp -> arc_childlist)) {
+ /*
+ * consider *arcp as disconnected
+ * insert it into sorted
+ */
+ for ( prevp = &sorted ;
+ prevp -> arc_childlist ;
+ prevp = prevp -> arc_childlist ) {
+ if ( arccmp( arcp , prevp -> arc_childlist ) != LESSTHAN ) {
+ break;
+ }
+ }
+ arcp -> arc_childlist = prevp -> arc_childlist;
+ prevp -> arc_childlist = arcp;
+ }
+ /*
+ * reattach sorted children to parent
+ */
+ parentp -> children = sorted.arc_childlist;
+}
+
+sortparents( childp )
+ nltype *childp;
+{
+ arctype *arcp;
+ arctype *detachedp;
+ arctype sorted;
+ arctype *prevp;
+
+ /*
+ * unlink parents from child,
+ * then insertion sort back on to sorted's parents.
+ * *arcp the arc you have detached and are inserting.
+ * *detachedp the rest of the arcs to be sorted.
+ * sorted arc list onto which you insertion sort.
+ * *prevp arc before the arc you are comparing.
+ */
+ sorted.arc_parentlist = 0;
+ for ( (arcp = childp -> parents)&&(detachedp = arcp -> arc_parentlist);
+ arcp ;
+ (arcp = detachedp)&&(detachedp = detachedp -> arc_parentlist)) {
+ /*
+ * consider *arcp as disconnected
+ * insert it into sorted
+ */
+ for ( prevp = &sorted ;
+ prevp -> arc_parentlist ;
+ prevp = prevp -> arc_parentlist ) {
+ if ( arccmp( arcp , prevp -> arc_parentlist ) != GREATERTHAN ) {
+ break;
+ }
+ }
+ arcp -> arc_parentlist = prevp -> arc_parentlist;
+ prevp -> arc_parentlist = arcp;
+ }
+ /*
+ * reattach sorted arcs to child
+ */
+ childp -> parents = sorted.arc_parentlist;
+}
+
+ /*
+ * print a cycle header
+ */
+printcycle( cyclep )
+ nltype *cyclep;
+{
+ char kirkbuffer[ BUFSIZ ];
+
+ sprintf( kirkbuffer , "[%d]" , cyclep -> index );
+ printf( "%-6.6s %5.1f %7.2f %11.2f %7d" ,
+ kirkbuffer ,
+ 100 * ( cyclep -> propself + cyclep -> propchild ) / printtime ,
+ cyclep -> propself / hz ,
+ cyclep -> propchild / hz ,
+ cyclep -> ncall );
+ if ( cyclep -> selfcalls != 0 ) {
+ printf( "+%-7d" , cyclep -> selfcalls );
+ } else {
+ printf( " %7.7s" , "" );
+ }
+ printf( " <cycle %d as a whole>\t[%d]\n" ,
+ cyclep -> cycleno , cyclep -> index );
+}
+
+ /*
+ * print the members of a cycle
+ */
+printmembers( cyclep )
+ nltype *cyclep;
+{
+ nltype *memberp;
+
+ sortmembers( cyclep );
+ for ( memberp = cyclep -> cnext ; memberp ; memberp = memberp -> cnext ) {
+ printf( "%6.6s %5.5s %7.2f %11.2f %7d" ,
+ "" , "" , memberp -> propself / hz , memberp -> propchild / hz ,
+ memberp -> ncall );
+ if ( memberp -> selfcalls != 0 ) {
+ printf( "+%-7d" , memberp -> selfcalls );
+ } else {
+ printf( " %7.7s" , "" );
+ }
+ printf( " " );
+ printname( memberp );
+ printf( "\n" );
+ }
+}
+
+ /*
+ * sort members of a cycle
+ */
+sortmembers( cyclep )
+ nltype *cyclep;
+{
+ nltype *todo;
+ nltype *doing;
+ nltype *prev;
+
+ /*
+ * detach cycle members from cyclehead,
+ * and insertion sort them back on.
+ */
+ todo = cyclep -> cnext;
+ cyclep -> cnext = 0;
+ for ( (doing = todo)&&(todo = doing -> cnext);
+ doing ;
+ (doing = todo )&&(todo = doing -> cnext )){
+ for ( prev = cyclep ; prev -> cnext ; prev = prev -> cnext ) {
+ if ( membercmp( doing , prev -> cnext ) == GREATERTHAN ) {
+ break;
+ }
+ }
+ doing -> cnext = prev -> cnext;
+ prev -> cnext = doing;
+ }
+}
+
+ /*
+ * major sort is on propself + propchild,
+ * next is sort on ncalls + selfcalls.
+ */
+int
+membercmp( this , that )
+ nltype *this;
+ nltype *that;
+{
+ double thistime = this -> propself + this -> propchild;
+ double thattime = that -> propself + that -> propchild;
+ long thiscalls = this -> ncall + this -> selfcalls;
+ long thatcalls = that -> ncall + that -> selfcalls;
+
+ if ( thistime > thattime ) {
+ return GREATERTHAN;
+ }
+ if ( thistime < thattime ) {
+ return LESSTHAN;
+ }
+ if ( thiscalls > thatcalls ) {
+ return GREATERTHAN;
+ }
+ if ( thiscalls < thatcalls ) {
+ return LESSTHAN;
+ }
+ return EQUALTO;
+}
+ /*
+ * compare two arcs to/from the same child/parent.
+ * - if one arc is a self arc, it's least.
+ * - if one arc is within a cycle, it's less than.
+ * - if both arcs are within a cycle, compare arc counts.
+ * - if neither arc is within a cycle, compare with
+ * arc_time + arc_childtime as major key
+ * arc count as minor key
+ */
+int
+arccmp( thisp , thatp )
+ arctype *thisp;
+ arctype *thatp;
+{
+ nltype *thisparentp = thisp -> arc_parentp;
+ nltype *thischildp = thisp -> arc_childp;
+ nltype *thatparentp = thatp -> arc_parentp;
+ nltype *thatchildp = thatp -> arc_childp;
+ double thistime;
+ double thattime;
+
+# ifdef DEBUG
+ if ( debug & TIMEDEBUG ) {
+ printf( "[arccmp] " );
+ printname( thisparentp );
+ printf( " calls " );
+ printname ( thischildp );
+ printf( " %f + %f %d/%d\n" ,
+ thisp -> arc_time , thisp -> arc_childtime ,
+ thisp -> arc_count , thischildp -> ncall );
+ printf( "[arccmp] " );
+ printname( thatparentp );
+ printf( " calls " );
+ printname( thatchildp );
+ printf( " %f + %f %d/%d\n" ,
+ thatp -> arc_time , thatp -> arc_childtime ,
+ thatp -> arc_count , thatchildp -> ncall );
+ printf( "\n" );
+ }
+# endif DEBUG
+ if ( thisparentp == thischildp ) {
+ /* this is a self call */
+ return LESSTHAN;
+ }
+ if ( thatparentp == thatchildp ) {
+ /* that is a self call */
+ return GREATERTHAN;
+ }
+ if ( thisparentp -> cycleno != 0 && thischildp -> cycleno != 0 &&
+ thisparentp -> cycleno == thischildp -> cycleno ) {
+ /* this is a call within a cycle */
+ if ( thatparentp -> cycleno != 0 && thatchildp -> cycleno != 0 &&
+ thatparentp -> cycleno == thatchildp -> cycleno ) {
+ /* that is a call within the cycle, too */
+ if ( thisp -> arc_count < thatp -> arc_count ) {
+ return LESSTHAN;
+ }
+ if ( thisp -> arc_count > thatp -> arc_count ) {
+ return GREATERTHAN;
+ }
+ return EQUALTO;
+ } else {
+ /* that isn't a call within the cycle */
+ return LESSTHAN;
+ }
+ } else {
+ /* this isn't a call within a cycle */
+ if ( thatparentp -> cycleno != 0 && thatchildp -> cycleno != 0 &&
+ thatparentp -> cycleno == thatchildp -> cycleno ) {
+ /* that is a call within a cycle */
+ return GREATERTHAN;
+ } else {
+ /* neither is a call within a cycle */
+ thistime = thisp -> arc_time + thisp -> arc_childtime;
+ thattime = thatp -> arc_time + thatp -> arc_childtime;
+ if ( thistime < thattime )
+ return LESSTHAN;
+ if ( thistime > thattime )
+ return GREATERTHAN;
+ if ( thisp -> arc_count < thatp -> arc_count )
+ return LESSTHAN;
+ if ( thisp -> arc_count > thatp -> arc_count )
+ return GREATERTHAN;
+ return EQUALTO;
+ }
+ }
+}
+
+printblurb( blurbname )
+ char *blurbname;
+{
+ FILE *blurbfile;
+ int input;
+
+ blurbfile = fopen( blurbname , "r" );
+ if ( blurbfile == NULL ) {
+ perror( blurbname );
+ return;
+ }
+ while ( ( input = getc( blurbfile ) ) != EOF ) {
+ putchar( input );
+ }
+ fclose( blurbfile );
+}
+
+int
+namecmp( npp1 , npp2 )
+ nltype **npp1, **npp2;
+{
+ return( strcmp( (*npp1) -> name , (*npp2) -> name ) );
+}
+
+printindex()
+{
+ nltype **namesortnlp;
+ register nltype *nlp;
+ int index, nnames, todo, i, j;
+ char peterbuffer[ BUFSIZ ];
+
+ /*
+ * Now, sort regular function name alphbetically
+ * to create an index.
+ */
+ namesortnlp = (nltype **) calloc( nname + ncycle , sizeof(nltype *) );
+ if ( namesortnlp == (nltype **) 0 ) {
+ fprintf( stderr , "%s: ran out of memory for sorting\n" , whoami );
+ }
+ for ( index = 0 , nnames = 0 ; index < nname ; index++ ) {
+ if ( zflag == 0 && nl[index].ncall == 0 && nl[index].time == 0 )
+ continue;
+ namesortnlp[nnames++] = &nl[index];
+ }
+ qsort( namesortnlp , nnames , sizeof(nltype *) , namecmp );
+ for ( index = 1 , todo = nnames ; index <= ncycle ; index++ ) {
+ namesortnlp[todo++] = &cyclenl[index];
+ }
+ printf( "\f\nIndex by function name\n\n" );
+ index = ( todo + 2 ) / 3;
+ for ( i = 0; i < index ; i++ ) {
+ for ( j = i; j < todo ; j += index ) {
+ nlp = namesortnlp[ j ];
+ if ( nlp -> printflag ) {
+ sprintf( peterbuffer , "[%d]" , nlp -> index );
+ } else {
+ sprintf( peterbuffer , "(%d)" , nlp -> index );
+ }
+ if ( j < nnames ) {
+ printf( "%6.6s %-19.19s" , peterbuffer , nlp -> name );
+ } else {
+ printf( "%6.6s " , peterbuffer );
+ sprintf( peterbuffer , "<cycle %d>" , nlp -> cycleno );
+ printf( "%-19.19s" , peterbuffer );
+ }
+ }
+ printf( "\n" );
+ }
+ cfree( namesortnlp );
+}