Generate a gnuplot script for any program and any test (like llc or gcc)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21593 91177308-0d34-0410-b5e6-96231b3b80d8

utils/plotNLT.pl

@@ -0,0 +1,39 @@
+#!/usr/bin/perl
+#takes a test and a program from a dp and produces a gnuplot script
+#use like perl plotNLT.pl password Programs/MultiSource/Benchmarks/ASCI_Purple/SMG2000/smg2000 llc
+
+use DBI;
+
+# database information
+$db="llvmalpha";
+$host="localhost";
+$userid="llvmdbuser";
+$passwd=shift @ARGV;
+$connectionInfo="dbi:mysql:$db;$host";
+
+# make connection to database
+$dbh = DBI->connect($connectionInfo,$userid,$passwd) or die DBI->errstr;
+
+$prog = shift @ARGV;
+$test = shift @ARGV;
+
+print "set xdata time\n";
+print 'set timefmt "%Y-%m-%d"';
+print "\nplot '-' using 1:2 with lines \n";
+
+$query = "Select RUN, VALUE from Tests where TEST = '$test' AND NAME = '$prog' ORDER BY RUN";
+#print $query;
+
+my $sth = $dbh->prepare( $query) || die "Can't prepare statement: $DBI::errstr";;
+
+my $rc = $sth->execute or die DBI->errstr;
+
+while(($da,$v) = $sth->fetchrow_array)
+{
+  print "$da $v\n";
+}
+
+print "e\n";
+
+# disconnect from database
+$dbh->disconnect;