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-Reduce memory consumption through not moving modules into shorter lifetime

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git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@2898 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
This commit is contained in:
jbjohnso
2009-03-14 15:45:07 +00:00
parent 66f4ba40e8
commit ed59575e36
3 changed files with 31 additions and 31 deletions
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10
xCAT-server/lib/xcat/plugins/blade.pm
View File

@@ -12,7 +12,6 @@ use Thread qw(yield);
use xCAT::Utils;
use xCAT::Usage;
use IO::Socket;
use SNMP;
use xCAT::GlobalDef;
use xCAT_monitoring::monitorctrl;
use strict;
@@ -2033,9 +2032,16 @@ sub process_request {
}
exit 0;
};
my $request = shift;
my $callback = shift;
eval {
require SNMP;
}
if ($@) {
$callback->{error=>['Missing SNMP perl support'],errorcode=>[1]};
return;
}
my $doreq = shift;
my $level = shift;
my $noderange = $request->{node};

30
xCAT-server/lib/xcat/plugins/kvm.pm
View File

@@ -1,8 +1,6 @@
#!/usr/bin/env perl
# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
package xCAT_plugin::kvm;
my $libvirtsupport;
$libvirtsupport = eval { require Sys::Virt; };
BEGIN
{
$::XCATROOT = $ENV{'XCATROOT'} ? $ENV{'XCATROOT'} : '/opt/xcat';
@@ -12,18 +10,17 @@ use xCAT::GlobalDef;
use xCAT::NodeRange;
use xCAT_monitoring::monitorctrl;
#use Net::SNMP qw(:snmp INTEGER);
use xCAT::Table;
use XML::Simple qw(XMLout);
use Thread qw(yield);
use IO::Socket;
use IO::Select;
use SNMP;
use strict;
#use warnings;
my %vm_comm_pids;
my @destblacklist;
my $vmhash;
my $nthash; #to store nodetype data
my $hmhash;
use XML::Simple;
@@ -74,7 +71,6 @@ my $hyp;
my $doreq;
my %hyphash;
my $node;
my $hmtab;
my $vmtab;
sub waitforack {
@@ -579,15 +575,6 @@ sub preprocess_request {
my $request = shift;
if ($request->{_xcatdest}) { return [$request]; } #exit if preprocessed
my $callback=shift;
unless ($libvirtsupport) { #Try to see if conditions changed since last check (no xCATd restart for it to take effect)
$libvirtsupport = eval { require Sys::Virt; };
}
unless ($libvirtsupport) { #Still no Sys::Virt module
$callback->({error=>"Sys::Virt perl module missing, unable to fulfill Xen plugin requirements",errorcode=>[42]});
return [];
}
require Sys::Virt::Domain;
%runningstates = (&Sys::Virt::Domain::STATE_NOSTATE=>1,&Sys::Virt::Domain::STATE_RUNNING=>1,&Sys::Virt::Domain::STATE_BLOCKED=>1);
my @requests;
my $noderange = $request->{node}; #Should be arrayref
@@ -642,10 +629,14 @@ sub grab_table_data{ #grab table data relevent to VM guest nodes
my $noderange=shift;
my $callback=shift;
$vmtab = xCAT::Table->new("vm");
$hmtab = xCAT::Table->new("nodehm");
my $hmtab = xCAT::Table->new("nodehm");
my $nttab = xCAT::Table->new("nodetype");
if ($hmtab) {
$hmhash = $hmtab->getNodesAttribs($noderange,['serialspeed']);
}
if ($nttab) {
$hmhash = $hmtab->getNodesAttribs($noderange,['serialspeed']);
}
unless ($vmtab) {
$callback->({data=>["Cannot open vm table"]});
return;
@@ -663,9 +654,16 @@ sub process_request {
}
exit 0;
};
my $request = shift;
my $callback = shift;
my $libvirtsupport = eval { require Sys::Virt; };
unless ($libvirtsupport) { #Still no Sys::Virt module
$callback->({error=>"Sys::Virt perl module missing, unable to fulfill KVM plugin requirements",errorcode=>[42]});
return [];
}
require Sys::Virt::Domain;
%runningstates = (&Sys::Virt::Domain::STATE_NOSTATE=>1,&Sys::Virt::Domain::STATE_RUNNING=>1,&Sys::Virt::Domain::STATE_BLOCKED=>1);
$doreq = shift;
my $level = shift;
my $noderange = $request->{node};

22
xCAT-server/lib/xcat/plugins/xen.pm
View File

@@ -1,8 +1,6 @@
#!/usr/bin/env perl
# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
package xCAT_plugin::xen;
my $libvirtsupport;
$libvirtsupport = eval { require Sys::Virt; };
BEGIN
{
$::XCATROOT = $ENV{'XCATROOT'} ? $ENV{'XCATROOT'} : '/opt/xcat';
@@ -12,13 +10,11 @@ use xCAT::GlobalDef;
use xCAT::NodeRange;
use xCAT_monitoring::monitorctrl;
#use Net::SNMP qw(:snmp INTEGER);
use xCAT::Table;
use XML::Simple qw(XMLout);
use Thread qw(yield);
use IO::Socket;
use IO::Select;
use SNMP;
use strict;
#use warnings;
my %vm_comm_pids;
@@ -573,15 +569,6 @@ sub preprocess_request {
my $request = shift;
if ($request->{_xcatdest}) { return [$request]; } #exit if preprocessed
my $callback=shift;
unless ($libvirtsupport) { #Try to see if conditions changed since last check (no xCATd restart for it to take effect)
$libvirtsupport = eval { require Sys::Virt; };
}
unless ($libvirtsupport) { #Still no Sys::Virt module
$callback->({error=>"Sys::Virt perl module missing, unable to fulfill Xen plugin requirements",errorcode=>[42]});
return [];
}
require Sys::Virt::Domain;
%runningstates = (&Sys::Virt::Domain::STATE_NOSTATE=>1,&Sys::Virt::Domain::STATE_RUNNING=>1,&Sys::Virt::Domain::STATE_BLOCKED=>1);
my @requests;
my $noderange = $request->{node}; #Should be arrayref
@@ -657,6 +644,15 @@ sub process_request {
}
exit 0;
};
#makes sense to check it here anyway, this way we avoid the main process
#sucking up ram with Sys::Virt
my $libvirtsupport = eval { require Sys::Virt; };
unless ($libvirtsupport) { #Still no Sys::Virt module
$callback->({error=>"Sys::Virt perl module missing, unable to fulfill Xen plugin requirements",errorcode=>[42]});
return [];
}
require Sys::Virt::Domain;
%runningstates = (&Sys::Virt::Domain::STATE_NOSTATE=>1,&Sys::Virt::Domain::STATE_RUNNING=>1,&Sys::Virt::Domain::STATE_BLOCKED=>1);
my $request = shift;
my $callback = shift;