X-Git-Url: http://rtime.felk.cvut.cz/gitweb/can-benchmark.git/blobdiff_plain/c3437f2bdbb60a09c19b4d4f04312195d9d683e0..HEAD:/continuous/gw-setup/run.pl

diff --git a/continuous/gw-setup/run.pl b/continuous/gw-setup/run.pl
index 04433d6..713f044 100755
--- a/continuous/gw-setup/run.pl
+++ b/continuous/gw-setup/run.pl
@@ -1,61 +1,40 @@
 #!/usr/bin/perl -w
 
 use FindBin;
+use Expect;
 
+# Create startup script in ramdisk
 my $S99 = "$FindBin::Bin/initramfs/etc/init.d/S99benchmark";
 system("rm -f $S99");
 system("cat > $S99; chmod +x $S99") unless -t STDIN;
 
-my $boot;
-my $pid = &run_boot;
-$|=1;
-
-my $ready;
-while (<$boot>){
-  last if ($ready = /Welcome to Buildroot/ || /UGW started/);
-}
-die "Boot failed" unless $ready;
-
-my $latester=<<'EOF';
-rm -f tmp-stat.txt
-echo "Starting latester"
-sudo ip l set eth0 down
-sudo ~/bin/latester -d can0 -d can1 -d can2 -c 3200 -q --oneattime -n tmp
-r=$?
-sudo ip l set eth0 up
+# Boot the gateway
+# die("No boot command") if ($#ARGV eq -1);
+my $bootcmd = scalar @ARGV ? "'".join("' '", @ARGV)."'" : "$FindBin::Bin/boot";
+$exp = Expect->spawn($bootcmd) or die "Cannot spawn $bootcmd: $!";
+$exp->expect(120,
+	     'Welcome to Buildroot',
+	     'UGW started',
+	     '-re', 't...a...s...k...s... ...s...t...a...r...t...e...d') # RTEMS has bug - it sends 4 characters instead of just one
+    or die("Boot failed");
+
+# Measure latencies
+my $latester = '
 set -e
+echo "Starting latester"
+rm -f tmp-stat.txt
+sudo /sbin/ifdown --no-scripts eth0
+r=0
+sudo ~/bin/latester -d can0 -d can1 -d can2 -c 3200 -q --oneattime -n tmp || r=$?
+sudo /sbin/ifup --no-scripts eth0
 source tmp-stat.txt
-for i in sent lost enobufs $(seq -f percentile%g 0 10 100); do keyval="$keyval $i=$((i))"; done
+unset keyval
+for i in sent lost enobufs out_of_range_below out_of_range_above $(seq -f percentile%g 0 10 100); do keyval="$keyval $i=$((i))"; done
 echo "! PERF: gw_latency $avg µs $keyval ok"
+if [ $(bc -l <<< "$avg == 0") -eq 1 ]; then exit 1; fi
 exit $r
-EOF
+';
 
 my $status = system((qw(ssh -T glab), $latester));
-kill('TERM', -$pid);
+$exp->close();
 exit($status >> 8);
-
-sub kill_boot() { kill('TERM', -$pid) if defined $pid; }
-sub run_boot()
-{
-    # die("No boot command") if ($#ARGV eq -1);
-    # my $bootcmd = "'".join("' '", @ARGV)."'";
-
-    my $bootcmd = "$FindBin::Bin/boot";
-
-    $SIG{INT} = sub { kill_boot(); exit; };
-
-    pipe($boot, $wh) || die("pipe: $!");
-    my $pid = fork() // die("fork: $!");
-    if ($pid == 0) {
-	setpgrp(); # Start new process group so that we can kill all
-                   # background processes at once
-	close($boot);
-	open(STDERR, ">&", $wh) || die "Can't dup STDERR: $!";
-	my $cmd = "$bootcmd | tee /dev/stderr";
-	exec($cmd) || die "Can't exec $cmd: $!";
-    }
-    close($wh);
-    return $pid;
-}
-
-END { kill_boot(); }