Add TCP scalability testing wrapper scripts for tcpp.

Sponsored by:	Juniper Networks
MFC after:	1 week

2 files changed, 92 insertions, 0 deletions

diff --git a/tools/tools/netrate/tcpp/parallelism.csh b/tools/tools/netrate/tcpp/parallelism.csh
new file mode 100644
index 0000000..2534b01
--- /dev/null
+++ b/tools/tools/netrate/tcpp/parallelism.csh
@@ -0,0 +1,28 @@
+#!/bin/csh
+#
+# $FreeBSD$
+#
+# Run tcpp -s -p 8 on the server, then this on the client.
+#
+# Note awkwardly hard-coded IP address below.
+#
+# Accepts two arguments: [filename] [csvprefix]
+#
+
+set totalbytes=4800000		# Bytes per connection
+set cores=8
+set trials=6
+set ptcps=24			# Max TCPs concurrently
+set ntcps=240			# Total TCPs over test
+set nips=4			# Number of local IP addresses to use
+set baseip=192.168.100.200	# First IP address to use
+
+foreach core (`jot $cores`)
+  foreach trial (`jot $trials`)
+    set mflag=`echo $ptcps / $core | bc`
+    set tflag=`echo $ntcps / $core | bc`
+    echo -n $2,${core},${trial}, >> $1
+    ./tcpp -c 192.168.100.102 -p $core -b $totalbytes -m $mflag \
+      -t $tflag -M $nips -l $baseip >> $1
+  end
+end
diff --git a/tools/tools/netrate/tcpp/runit.pl b/tools/tools/netrate/tcpp/runit.pl
new file mode 100755
index 0000000..d0d5227
--- /dev/null
+++ b/tools/tools/netrate/tcpp/runit.pl
@@ -0,0 +1,64 @@
+#!/usr/bin/perl
+#
+# $FreeBSD$
+#
+
+if ($#ARGV != 0) {
+	print "runit.pl kernelname\n";
+	exit(-1);
+}
+
+$tcpp_dir = "/rwatson/svn/base/head/tools/tools/netrate/tcpp";
+
+($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime(time);
+$mon++;
+$year += 1900;
+$date = sprintf("%04d%02d%02d", $year, $mon, $mday);
+
+$kernel = $ARGV[0];
+$outfile = $date."_".$kernel.".csv";
+unlink($outfile);
+open(OUTFILE, ">".$outfile) || die $outfile;
+print OUTFILE "# $kernel $date\n";
+print OUTFILE "# hydra1: ".`ssh root\@hydra1 uname -a`."\n";
+print OUTFILE "# hydra2: ".`ssh root\@hydra2 uname -a`."\n";
+print OUTFILE "#\n";
+print OUTFILE "kernel,tso,lro,mtu,cores,trial,";
+print OUTFILE "bytes,seconds,conns,bandwidth,user,nice,sys,intr,idle\n";
+close(OUTFILE);
+
+system("ssh root\@hydra1 killall tcpp");
+system("ssh root\@hydra2 killall tcpp");
+sleep(1);
+system("ssh root\@hydra2 ${tcpp_dir}/tcpp -s -p 8&");
+sleep(1);
+
+sub test {
+	my ($kernel, $tso, $lro, $mtu) = @_;
+
+	$prefix = "$kernel,$tso,$lro,$mtu";
+	print "Configuring $prefix\n";
+
+	system("ssh root\@hydra1 ifconfig cxgb0 $tso $lro mtu $mtu");
+
+	system("ssh root\@hydra2 ifconfig cxgb0 $tso $lro mtu $mtu");
+
+	print "Running $prefix\n";
+	system("ssh root\@hydra1 '(cd $tcpp_dir ; csh parallelism.csh ".
+	    "$outfile $prefix)'");
+}
+
+# Frobbing MTU requires resetting the host cache, which we don't do,
+# so don't frob MTU.
+@mtu_options = ("1500");
+@tso_options = ("tso", "-tso");
+@lro_options = ("lro", "-lro");
+
+foreach $mtu (@mtu_options) {
+	foreach $tso (@tso_options) {
+		foreach $lro (@lro_options) {
+			sleep(5);
+			test($kernel, $tso, $lro, $mtu);
+		}
+	}
+}