Files
percona-toolkit/lib/DiskstatsGroupByAll.pm
2011-12-13 14:53:05 -03:00

88 lines
2.6 KiB
Perl

# This program is copyright 2011 Percona Inc.
# Feedback and improvements are welcome.
#
# THIS PROGRAM IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
# MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation, version 2; OR the Perl Artistic License. On UNIX and similar
# systems, you can issue `man perlgpl' or `man perlartistic' to read these
# licenses.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
# Place, Suite 330, Boston, MA 02111-1307 USA.
# ###########################################################################
# DiskstatsGroupByAll package
# ###########################################################################
{
# Package: DiskstatsGroupByAll
#
package DiskstatsGroupByAll;
use warnings;
use strict;
use English qw(-no_match_vars);
use constant MKDEBUG => $ENV{MKDEBUG} || 0;
use base qw( Diskstats );
sub group_by {
my $self = shift;
$self->group_by_all(@_);
}
sub group_by_all {
my ($self, %args) = @_;
$self->clear_state();
if (!$self->interactive) {
$self->parse_from(
sample_callback => sub {
$self->print_deltas(
map { ( $_ => $args{$_} ) } qw( header_cb rest_cb ),
);
},
map( { ($_ => $args{$_}) } qw(filehandle filename data) ),
);
$self->clear_state();
}
else {
my $orig = tell $args{filehandle};
$self->parse_from(
sample_callback => sub {
$self->print_deltas(
header_cb => sub { CORE::state $x = 0; my $self = shift; $self->print_header(@_) unless $x++; },
);
#map { ( $_ => $args{$_} ) } qw( header_cb rest_cb ),
},
map( { ($_ => $args{$_}) } qw(filehandle filename data) ),
);
if (!$self->previous_ts) {
seek $args{filehandle}, $orig, 0;
}
$self->clear_state();
}
}
sub delta_against {
my ($self, $dev) = @_;
return $self->previous_stats_for($dev);
}
sub delta_against_ts {
my ($self) = @_;
return $self->previous_ts();
}
1;
}
# ###########################################################################
# End DiskstatsGroupByAll package
# ###########################################################################