#!/usr/bin/perl
+use Getopt::Long;
+
+my $silent = 0;
+my $mcreate = 1; # should we use mcreate or open?
+my $files = 5;
+
+GetOptions("silent!" => \$silent,
+ "mcreate=i" => \$mcreate,
+ "files=i" => \$files);
+
+my $mtpt = shift || usage();
+my $mount_count = shift || usage();
+my $i = shift || usage();
+my $count = $i;
sub usage () {
- print "Usage: $0 <mount point prefix> <mount count> <iterations>\n";
+ print "Usage: $0 [--silent] [--mcreate=n] [--files=n] <mnt prefix> <mnt count> <iterations>\n";
print "example: $0 /mnt/lustre 2 50\n";
print " will test in /mnt/lustre1 and /mnt/lustre2\n";
+ print " $0 /mnt/lustre -1 50\n";
+ print " will test in /mnt/lustre only\n";
exit;
}
-sub unused() {
- my $tmp = `./mcreate $path`;
- if ($tmp) {
- $tmp =~ /.*error: (.*)\n/;
- print "Created $path: $1\n";
+sub do_open($) {
+ my $path = shift;
+
+ if ($mcreate) {
+ my $tmp = `./mcreate $path`;
+ if ($tmp) {
+ print "Creating $path [" . $$."]...\n" if !$silent;
+ $tmp =~ /.*error: (.*)\n/;
+ print "Create done [$$] $path: $!\n" if !$silent;
+ } else {
+ print "Create done [$$] $path: Success\n"if !$silent;
+ }
} else {
- print "Created $path: Success\n";
+ print "Opening $path [" . $$."]...\n"if !$silent;
+ open(FH, ">$path") || die "open($PATH): $!";
+ print "Open done [$$] $path: Success\n"if !$silent;
+ close(FH) || die;
}
}
-my $mtpt = shift || usage();
-my $mount_count = shift || usage();
-my $i = shift || usage();
-my $files = 2;
-
while ($i--) {
- $which = int(rand() * $mount_count) + 1;
+ my $which = "";
+ if ($mount_count > 0) {
+ $which = int(rand() * $mount_count) + 1;
+ }
$d = int(rand() * $files);
- $path = "$mtpt$which/$d";
- open(FH, ">$path") || die "open($PATH): $!";
- print "Opened $path: Success\n";
- close(FH) || die;
+ do_open("$mtpt$which/$d");
- $which = int(rand() * $mount_count) + 1;
+ if ($mount_count > 0) {
+ $which = int(rand() * $mount_count) + 1;
+ }
$d = int(rand() * $files);
$path = "$mtpt$which/$d";
+ print "Unlink $path start [" . $$."]...\n"if !$silent;
if (unlink($path)) {
- print "Unlinked $path: Success\n";
+ print "Unlink done [$$] $path: Success\n"if !$silent;
} else {
- print "Unlinked $path: $!\n";
+ print "Unlink done [$$] $path: $!\n"if !$silent;
+ }
+ if (($count - $i) % 100 == 0) {
+ print STDERR ($count - $i) . " operations [" . $$ . "]\n";
}
}
+
+my $which = "";
+if ($mount_count > 0) {
+ $which = int(rand() * $mount_count) + 1;
+}
+for ($d = 0; $d < $files; $d++) {
+ unlink("$mtpt$which/$d");
+}
+
print "Done.\n";