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Support jitter feature.
author
Ben Pfaff
<blp@cs.stanford.edu>
Tue, 21 Sep 2004 00:25:09 +0000
(
00:25
+0000)
committer
Ben Pfaff
<blp@cs.stanford.edu>
Tue, 21 Sep 2004 00:25:09 +0000
(
00:25
+0000)
src/utils/pintos
patch
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diff --git
a/src/utils/pintos
b/src/utils/pintos
index 920b28dfa80349f46cb7888c5f20a28a23f0f693..261b7b2825bca6ecb621ac258386a8f27cb839fe 100755
(executable)
--- a/
src/utils/pintos
+++ b/
src/utils/pintos
@@
-15,6
+15,12
@@
while (@ARGV) {
exit 0;
} elsif ($arg =~ /^mem(?:ory)?=(\d+)/) {
$mem = $1;
exit 0;
} elsif ($arg =~ /^mem(?:ory)?=(\d+)/) {
$mem = $1;
+ } elsif ($arg eq '-j') {
+ die "-j need random seed argument\n" if !@ARGV;
+ die "-j need integer argument\n" if $ARGV[0] !~ /^-?\d+$/;
+ $jitter = shift (@ARGV);
+ } elsif ($arg =~ /--jitter=(-?\d+)$/) {
+ $jitter = $1;
} elsif ($arg eq '--no-vga' || $arg eq '-nv') {
print "warning: --no-vga conflicts with --terminal\n"
if $vga eq 'terminal';
} elsif ($arg eq '--no-vga' || $arg eq '-nv') {
print "warning: --no-vga conflicts with --terminal\n"
if $vga eq 'terminal';
@@
-117,6
+123,7
@@
sub usage {
print " -ns, --no-serial No serial output\n";
print " -t, --terminal Display VGA in terminal (Bochs only)\n";
print "VM options:\n";
print " -ns, --no-serial No serial output\n";
print " -t, --terminal Display VGA in terminal (Bochs only)\n";
print "VM options:\n";
+ print " -j SEED Randomize timer interrupts (Bochs only)\n";
print " --mem=MB Run VM with MB megabytes of physical memory\n";
exit $exitcode;
}
print " --mem=MB Run VM with MB megabytes of physical memory\n";
exit $exitcode;
}
@@
-182,10
+189,14
@@
sub run_vm {
print BOCHSRC "display_library: term\n";
}
close (BOCHSRC);
print BOCHSRC "display_library: term\n";
}
close (BOCHSRC);
- run_command_no_die ($bin, '-q');
+ @cmd = ($bin, '-q');
+ push (@cmd, '-j', $jitter) if defined $jitter;
+ run_command_no_die (@cmd);
} elsif ($sim eq 'qemu') {
print "warning: qemu doesn't support --terminal\n"
if $vga eq 'terminal';
} elsif ($sim eq 'qemu') {
print "warning: qemu doesn't support --terminal\n"
if $vga eq 'terminal';
+ print "warning: qemu doesn't support jitter\n"
+ if defined $jitter;
my (@cmd) = ('qemu');
push (@cmd, '-hda', $disks[0]) if defined $disks[0];
push (@cmd, '-hdb', $disks[1]) if defined $disks[1];
my (@cmd) = ('qemu');
push (@cmd, '-hda', $disks[0]) if defined $disks[0];
push (@cmd, '-hdb', $disks[1]) if defined $disks[1];
@@
-204,6
+215,8
@@
sub run_vm {
if $vga eq 'none';
print "warning: VMware GSX Server doesn't support --terminal\n"
if $vga eq 'terminal';
if $vga eq 'none';
print "warning: VMware GSX Server doesn't support --terminal\n"
if $vga eq 'terminal';
+ print "warning: VMware GSX Server doesn't support jitter\n"
+ if defined $jitter;
open (VMX, ">pintos.vmx") or die "pintos.vmx: create: $!\n";
chmod 0777 & ~umask, "pintos.vmx";
open (VMX, ">pintos.vmx") or die "pintos.vmx: create: $!\n";
chmod 0777 & ~umask, "pintos.vmx";