mirror of
https://github.com/percona/percona-toolkit.git
synced 2025-09-17 17:27:57 +00:00
7b12dbec64
With this most of the interactive mode should be working. pt_diskstats.pm has the documentation and can be used for testing, which should be in the next commit. This commit also includes the revamped command line options.
108 lines
3.0 KiB
Perl
108 lines
3.0 KiB
Perl
# This program is copyright 2011 Percona Inc.
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# Feedback and improvements are welcome.
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#
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# THIS PROGRAM IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
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# WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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# MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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#
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# This program is free software; you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free Software
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# Foundation, version 2; OR the Perl Artistic License. On UNIX and similar
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# systems, you can issue `man perlgpl' or `man perlartistic' to read these
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# licenses.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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# Place, Suite 330, Boston, MA 02111-1307 USA.
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# ###########################################################################
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# DiskstatsGroupByAll package
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# ###########################################################################
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{
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# Package: DiskstatsGroupByAll
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#
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package DiskstatsGroupByAll;
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use warnings;
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use strict;
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use English qw(-no_match_vars);
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use constant MKDEBUG => $ENV{MKDEBUG} || 0;
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use base qw( Diskstats );
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sub group_by {
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my $self = shift;
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$self->group_by_all(@_);
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}
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sub group_by_all {
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my ($self, %args) = @_;
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if ( !$args{clear_state} ) {
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$self->clear_state();
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}
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if (!$self->interactive) {
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$self->parse_from(
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sample_callback => sub {
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$self->print_deltas(
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map { ( $_ => $args{$_} ) } qw( header_cb rest_cb ),
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);
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},
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map( { ($_ => $args{$_}) } qw(filehandle filename data) ),
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);
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}
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else {
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my $orig = tell $args{filehandle};
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$self->parse_from(
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sample_callback => sub {
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$self->print_deltas(
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header_cb => sub {
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my $self = shift;
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if ( $self->{_print_header} ) {
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my $meth = $args{header_cb} || "print_header";
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$self->$meth(@_);
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}
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$self->{_print_header} = undef;
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},
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rest_cb => $args{rest_cb},
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);
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},
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map( { ($_ => $args{$_}) } qw(filehandle filename data) ),
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);
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if (!$self->previous_ts) {
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seek $args{filehandle}, $orig, 0;
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}
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return;
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}
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$self->clear_state();
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}
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sub clear_state {
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my $self = shift;
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if (!$self->interactive()) {
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$self->SUPER::clear_state(@_);
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}
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else {
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my $orig_print_header = $self->{_print_header};
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$self->SUPER::clear_state(@_);
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$self->{_print_header} = $orig_print_header;
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}
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}
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sub delta_against {
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my ($self, $dev) = @_;
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return $self->previous_stats_for($dev);
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}
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sub delta_against_ts {
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my ($self) = @_;
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return $self->previous_ts();
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}
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1;
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}
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# ###########################################################################
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# End DiskstatsGroupByAll package
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# ###########################################################################
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