1 files changed, 73 insertions, 0 deletions
diff --git a/ghc/utils/stat2resid/stat2resid.prl b/ghc/utils/stat2resid/stat2resid.prl
new file mode 100644
index 0000000000..95e9e742a5
--- /dev/null
+++ b/ghc/utils/stat2resid/stat2resid.prl
@@ -0,0 +1,73 @@
+#
+# (c) The GRASP Project, Glasgow University, 1992
+#
+# *** MSUB does some substitutions here ***
+# *** grep for $( ***
+#
+
+$debug = 0;
+$outsuffix = ".resid.ps";	# change as appropriate
+$tmpfile = "$(TMPDIR)/$$.resid.data";
+
+@INC = ( ( $(INSTALLING) ) ? '$(INSTLIBDIR_GHC)'
+			   : '$(TOP_PWD)/$(CURRENT_DIR)' );
+
+require('parse-gcstats.prl')   || die "Can't load parse-gcstats.prl!\n";
+require('process-gcstats.prl') || die "Can't load process-gcstats.prl!\n";
+
+if ($#ARGV < 0) {
+    $infile = "-";
+    $outfile = "";				# gnuplot: set output
+} elsif ($#ARGV == 0) {
+    $infile = $ARGV[0];
+    if ($infile =~ /^(.*)\.stat$/) {
+	$base = $1;
+    } else {
+        $base = $infile;
+	$infile  = "$base.stat";
+    };
+    $outfile = "\"$base$outsuffix\"";	        # gnuplot: set output "outfile"
+} elsif ($#ARGV == 1) {
+    $infile = $ARGV[0];
+    $outfile = "\"$ARGV[1]\"";
+} else {
+    die "Usage: command [infile[.stat] [outfile]]";
+};   
+
+%gcstats = &parse_stats($infile);
+
+&print_stats(">&STDERR", %gcstats) if $debug;
+
+if ($gcstats{"collector"} eq "APPEL") {
+    die "APPEL stats: no residency plot possible\n";
+}
+
+#
+# stats are now loaded into %gcstats -- write out info
+#
+
+open(DATAFILE, ">$tmpfile") || die "Cant open >$tmpfile \n";
+$i = -1;
+$user = 0;
+printf DATAFILE "%4.2f %d\n", $user, 0;
+while (++$i < $gcstats{"gc_no"}) {
+   $user += $gcstats{"mut_user_$i"};
+   printf DATAFILE "%4.2f %d\n", $user, $gcstats{"live_$i"}; 
+}; 
+printf DATAFILE "%4.2f %d\n", $gcstats{"mut_user_total"}, 0;
+close(DATAFILE);
+
+open(PLOTFILE, "|gnuplot") || die "Cant pipe into |gnuplot \n";
+print PLOTFILE "set data style linespoints\n";
+print PLOTFILE "set function style lines\n";
+print PLOTFILE "set nokey\n";
+print PLOTFILE "set xlabel \"Mutator Time (secs)\"\n";
+print PLOTFILE "set ylabel \"Heap Residency (bytes)\" 0,-1\n";
+print PLOTFILE "set term post eps \"Times-Roman\" 20\n";
+printf PLOTFILE "set title \"%s %s  (%s)\"\n", $gcstats{"command"}, $gcstats{"args"}, $infile;
+print PLOTFILE "set output $outfile\n" ;
+print PLOTFILE "plot \"$tmpfile\"\n";
+close(PLOTFILE);
+
+unlink($tmpfile);
+exit 0;