/usr/bin/pt-mext is in percona-toolkit 2.2.7-1~dfsg1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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# This program is part of Percona Toolkit: http://www.percona.com/software/
# See "COPYRIGHT, LICENSE, AND WARRANTY" at the end of this file for legal
# notices and disclaimers.
# ###########################################################################
# log_warn_die package
# This package is a copy without comments from the original. The original
# with comments and its test file can be found in the Bazaar repository at,
# lib/bash/log_warn_die.sh
# t/lib/bash/log_warn_die.sh
# See https://launchpad.net/percona-toolkit for more information.
# ###########################################################################
set -u
PTFUNCNAME=""
PTDEBUG="${PTDEBUG:-""}"
EXIT_STATUS=0
ts() {
TS=$(date +%F-%T | tr ':-' '_')
echo "$TS $*"
}
info() {
[ ${OPT_VERBOSE:-3} -ge 3 ] && ts "$*"
}
log() {
[ ${OPT_VERBOSE:-3} -ge 2 ] && ts "$*"
}
warn() {
[ ${OPT_VERBOSE:-3} -ge 1 ] && ts "$*" >&2
EXIT_STATUS=1
}
die() {
ts "$*" >&2
EXIT_STATUS=1
exit 1
}
_d () {
[ "$PTDEBUG" ] && echo "# $PTFUNCNAME: $(ts "$*")" >&2
}
# ###########################################################################
# End log_warn_die package
# ###########################################################################
# ###########################################################################
# tmpdir package
# This package is a copy without comments from the original. The original
# with comments and its test file can be found in the Bazaar repository at,
# lib/bash/tmpdir.sh
# t/lib/bash/tmpdir.sh
# See https://launchpad.net/percona-toolkit for more information.
# ###########################################################################
set -u
PT_TMPDIR=""
mk_tmpdir() {
local dir="${1:-""}"
if [ -n "$dir" ]; then
if [ ! -d "$dir" ]; then
mkdir "$dir" || die "Cannot make tmpdir $dir"
fi
PT_TMPDIR="$dir"
else
local tool="${0##*/}"
local pid="$$"
PT_TMPDIR=`mktemp -d -t "${tool}.${pid}.XXXXXX"` \
|| die "Cannot make secure tmpdir"
fi
}
rm_tmpdir() {
if [ -n "$PT_TMPDIR" ] && [ -d "$PT_TMPDIR" ]; then
rm -rf "$PT_TMPDIR"
fi
PT_TMPDIR=""
}
# ###########################################################################
# End tmpdir package
# ###########################################################################
# ###########################################################################
# parse_options package
# This package is a copy without comments from the original. The original
# with comments and its test file can be found in the Bazaar repository at,
# lib/bash/parse_options.sh
# t/lib/bash/parse_options.sh
# See https://launchpad.net/percona-toolkit for more information.
# ###########################################################################
set -u
ARGV="" # Non-option args (probably input files)
EXT_ARGV="" # Everything after -- (args for an external command)
HAVE_EXT_ARGV="" # Got --, everything else is put into EXT_ARGV
OPT_ERRS=0 # How many command line option errors
OPT_VERSION="" # If --version was specified
OPT_HELP="" # If --help was specified
PO_DIR="" # Directory with program option spec files
usage() {
local file="$1"
local usage="$(grep '^Usage: ' "$file")"
echo $usage
echo
echo "For more information, 'man $TOOL' or 'perldoc $file'."
}
usage_or_errors() {
local file="$1"
if [ "$OPT_VERSION" ]; then
local version=$(grep '^pt-[^ ]\+ [0-9]' "$file")
echo "$version"
return 1
fi
if [ "$OPT_HELP" ]; then
usage "$file"
echo
echo "Command line options:"
echo
perl -e '
use strict;
use warnings FATAL => qw(all);
my $lcol = 20; # Allow this much space for option names.
my $rcol = 80 - $lcol; # The terminal is assumed to be 80 chars wide.
my $name;
while ( <> ) {
my $line = $_;
chomp $line;
if ( $line =~ s/^long:/ --/ ) {
$name = $line;
}
elsif ( $line =~ s/^desc:// ) {
$line =~ s/ +$//mg;
my @lines = grep { $_ }
$line =~ m/(.{0,$rcol})(?:\s+|\Z)/g;
if ( length($name) >= $lcol ) {
print $name, "\n", (q{ } x $lcol);
}
else {
printf "%-${lcol}s", $name;
}
print join("\n" . (q{ } x $lcol), @lines);
print "\n";
}
}
' "$PO_DIR"/*
echo
echo "Options and values after processing arguments:"
echo
(
cd "$PO_DIR"
for opt in *; do
local varname="OPT_$(echo "$opt" | tr a-z- A-Z_)"
eval local varvalue=\$$varname
if ! grep -q "type:" "$PO_DIR/$opt" >/dev/null; then
if [ "$varvalue" -a "$varvalue" = "yes" ];
then varvalue="TRUE"
else
varvalue="FALSE"
fi
fi
printf -- " --%-30s %s" "$opt" "${varvalue:-(No value)}"
echo
done
)
return 1
fi
if [ $OPT_ERRS -gt 0 ]; then
echo
usage "$file"
return 1
fi
return 0
}
option_error() {
local err="$1"
OPT_ERRS=$(($OPT_ERRS + 1))
echo "$err" >&2
}
parse_options() {
local file="$1"
shift
ARGV=""
EXT_ARGV=""
HAVE_EXT_ARGV=""
OPT_ERRS=0
OPT_VERSION=""
OPT_HELP=""
PO_DIR="$PT_TMPDIR/po"
if [ ! -d "$PO_DIR" ]; then
mkdir "$PO_DIR"
if [ $? -ne 0 ]; then
echo "Cannot mkdir $PO_DIR" >&2
exit 1
fi
fi
rm -rf "$PO_DIR"/*
if [ $? -ne 0 ]; then
echo "Cannot rm -rf $PO_DIR/*" >&2
exit 1
fi
_parse_pod "$file" # Parse POD into program option (po) spec files
_eval_po # Eval po into existence with default values
if [ $# -ge 2 ] && [ "$1" = "--config" ]; then
shift # --config
local user_config_files="$1"
shift # that ^
local IFS=","
for user_config_file in $user_config_files; do
_parse_config_files "$user_config_file"
done
else
_parse_config_files "/etc/percona-toolkit/percona-toolkit.conf" "/etc/percona-toolkit/$TOOL.conf" "$HOME/.percona-toolkit.conf" "$HOME/.$TOOL.conf"
fi
_parse_command_line "${@:-""}"
}
_parse_pod() {
local file="$1"
cat "$file" | PO_DIR="$PO_DIR" perl -ne '
BEGIN { $/ = ""; }
next unless $_ =~ m/^=head1 OPTIONS/;
while ( defined(my $para = <>) ) {
last if $para =~ m/^=head1/;
chomp;
if ( $para =~ m/^=item --(\S+)/ ) {
my $opt = $1;
my $file = "$ENV{PO_DIR}/$opt";
open my $opt_fh, ">", $file or die "Cannot open $file: $!";
print $opt_fh "long:$opt\n";
$para = <>;
chomp;
if ( $para =~ m/^[a-z ]+:/ ) {
map {
chomp;
my ($attrib, $val) = split(/: /, $_);
print $opt_fh "$attrib:$val\n";
} split(/; /, $para);
$para = <>;
chomp;
}
my ($desc) = $para =~ m/^([^?.]+)/;
print $opt_fh "desc:$desc.\n";
close $opt_fh;
}
}
last;
'
}
_eval_po() {
local IFS=":"
for opt_spec in "$PO_DIR"/*; do
local opt=""
local default_val=""
local neg=0
local size=0
while read key val; do
case "$key" in
long)
opt=$(echo $val | sed 's/-/_/g' | tr '[:lower:]' '[:upper:]')
;;
default)
default_val="$val"
;;
"short form")
;;
type)
[ "$val" = "size" ] && size=1
;;
desc)
;;
negatable)
if [ "$val" = "yes" ]; then
neg=1
fi
;;
*)
echo "Invalid attribute in $opt_spec: $line" >&2
exit 1
esac
done < "$opt_spec"
if [ -z "$opt" ]; then
echo "No long attribute in option spec $opt_spec" >&2
exit 1
fi
if [ $neg -eq 1 ]; then
if [ -z "$default_val" ] || [ "$default_val" != "yes" ]; then
echo "Option $opt_spec is negatable but not default: yes" >&2
exit 1
fi
fi
if [ $size -eq 1 -a -n "$default_val" ]; then
default_val=$(size_to_bytes $default_val)
fi
eval "OPT_${opt}"="$default_val"
done
}
_parse_config_files() {
for config_file in "${@:-""}"; do
test -f "$config_file" || continue
while read config_opt; do
echo "$config_opt" | grep '^[ ]*[^#]' >/dev/null 2>&1 || continue
config_opt="$(echo "$config_opt" | sed -e 's/^ *//g' -e 's/ *$//g' -e 's/[ ]*=[ ]*/=/' -e 's/[ ]*#.*$//')"
[ "$config_opt" = "" ] && continue
if ! [ "$HAVE_EXT_ARGV" ]; then
config_opt="--$config_opt"
fi
_parse_command_line "$config_opt"
done < "$config_file"
HAVE_EXT_ARGV="" # reset for each file
done
}
_parse_command_line() {
local opt=""
local val=""
local next_opt_is_val=""
local opt_is_ok=""
local opt_is_negated=""
local real_opt=""
local required_arg=""
local spec=""
for opt in "${@:-""}"; do
if [ "$opt" = "--" -o "$opt" = "----" ]; then
HAVE_EXT_ARGV=1
continue
fi
if [ "$HAVE_EXT_ARGV" ]; then
if [ "$EXT_ARGV" ]; then
EXT_ARGV="$EXT_ARGV $opt"
else
EXT_ARGV="$opt"
fi
continue
fi
if [ "$next_opt_is_val" ]; then
next_opt_is_val=""
if [ $# -eq 0 ] || [ $(expr "$opt" : "\-") -eq 1 ]; then
option_error "$real_opt requires a $required_arg argument"
continue
fi
val="$opt"
opt_is_ok=1
else
if [ $(expr "$opt" : "\-") -eq 0 ]; then
if [ -z "$ARGV" ]; then
ARGV="$opt"
else
ARGV="$ARGV $opt"
fi
continue
fi
real_opt="$opt"
if $(echo $opt | grep '^--no[^-]' >/dev/null); then
local base_opt=$(echo $opt | sed 's/^--no//')
if [ -f "$PT_TMPDIR/po/$base_opt" ]; then
opt_is_negated=1
opt="$base_opt"
else
opt_is_negated=""
opt=$(echo $opt | sed 's/^-*//')
fi
else
if $(echo $opt | grep '^--no-' >/dev/null); then
opt_is_negated=1
opt=$(echo $opt | sed 's/^--no-//')
else
opt_is_negated=""
opt=$(echo $opt | sed 's/^-*//')
fi
fi
if $(echo $opt | grep '^[a-z-][a-z-]*=' >/dev/null 2>&1); then
val="$(echo $opt | awk -F= '{print $2}')"
opt="$(echo $opt | awk -F= '{print $1}')"
fi
if [ -f "$PT_TMPDIR/po/$opt" ]; then
spec="$PT_TMPDIR/po/$opt"
else
spec=$(grep "^short form:-$opt\$" "$PT_TMPDIR"/po/* | cut -d ':' -f 1)
if [ -z "$spec" ]; then
option_error "Unknown option: $real_opt"
continue
fi
fi
required_arg=$(cat "$spec" | awk -F: '/^type:/{print $2}')
if [ "$required_arg" ]; then
if [ "$val" ]; then
opt_is_ok=1
else
next_opt_is_val=1
fi
else
if [ "$val" ]; then
option_error "Option $real_opt does not take a value"
continue
fi
if [ "$opt_is_negated" ]; then
val=""
else
val="yes"
fi
opt_is_ok=1
fi
fi
if [ "$opt_is_ok" ]; then
opt=$(cat "$spec" | grep '^long:' | cut -d':' -f2 | sed 's/-/_/g' | tr '[:lower:]' '[:upper:]')
if grep "^type:size" "$spec" >/dev/null; then
val=$(size_to_bytes $val)
fi
eval "OPT_$opt"="'$val'"
opt=""
val=""
next_opt_is_val=""
opt_is_ok=""
opt_is_negated=""
real_opt=""
required_arg=""
spec=""
fi
done
}
size_to_bytes() {
local size="$1"
echo $size | perl -ne '%f=(B=>1, K=>1_024, M=>1_048_576, G=>1_073_741_824, T=>1_099_511_627_776); m/^(\d+)([kMGT])?/i; print $1 * $f{uc($2 || "B")};'
}
# ###########################################################################
# End parse_options package
# ###########################################################################
# ###########################################################################
# alt_cmds package
# This package is a copy without comments from the original. The original
# with comments and its test file can be found in the Bazaar repository at,
# lib/bash/alt_cmds.sh
# t/lib/bash/alt_cmds.sh
# See https://launchpad.net/percona-toolkit for more information.
# ###########################################################################
set -u
_seq() {
local i="$1"
awk "BEGIN { for(i=1; i<=$i; i++) print i; }"
}
_pidof() {
local cmd="$1"
if ! pidof "$cmd" 2>/dev/null; then
ps -eo pid,ucomm | awk -v comm="$cmd" '$2 == comm { print $1 }'
fi
}
_lsof() {
local pid="$1"
if ! lsof -p $pid 2>/dev/null; then
/bin/ls -l /proc/$pid/fd 2>/dev/null
fi
}
_which() {
if [ -x /usr/bin/which ]; then
/usr/bin/which "$1" 2>/dev/null | awk '{print $1}'
elif which which 1>/dev/null 2>&1; then
which "$1" 2>/dev/null | awk '{print $1}'
else
echo "$1"
fi
}
# ###########################################################################
# End alt_cmds package
# ###########################################################################
TOOL="pt-mext"
# Parse command line options.
mk_tmpdir
parse_options "$0" "${@:-""}"
if [ -z "$OPT_HELP" -a -z "$OPT_VERSION" ]; then
if [ -z "$EXT_ARGV" ]; then
option_error "No COMMAND was given."
fi
fi
usage_or_errors "$0"
po_status=$?
if [ $po_status -ne 0 ]; then
[ $OPT_ERRS -gt 0 ] && exit 1
exit 0
fi
FILE="$PT_TMPDIR/mext_temp_file";
NUM=1;
# Split the output on empty lines and put each into a different file; eliminate
# lines that don't have "real" content.
$EXT_ARGV | grep -v '+' | grep -v Variable_name | sed 's/|//g' \
| while read line; do
if [ "$line" = "" ]; then
NUM=$(($NUM + 1))
echo "" > "$FILE$NUM"
fi
echo "$line" >> "$FILE$NUM"
done
SPEC="%-33s %13d"
AWKS=""
# Count how many files there are and prepare to format the output, but...
NUM=`ls "$FILE"* | wc -l`;
# ... iterate through files 1..(N-2) because the last file is empty and
# we join N to N+1 so also don't read the last real file.
NUM=$((NUM - 2))
# Join each file with the next file, joining on the first field. Build a printf
# spec and awk spec at the same time.
for i in `_seq $NUM`; do
NEXTFILE=$(($i + 1))
# Sort each file and eliminate empty lines, so 'join' doesn't complain.
sort "$FILE$i" | grep . > "$FILE$i.tmp"
mv "$FILE$i.tmp" "$FILE$i"
sort "$FILE${NEXTFILE}" | grep . > "$FILE${NEXTFILE}.tmp"
mv "$FILE${NEXTFILE}.tmp" "$FILE${NEXTFILE}"
# Join the files together. This gets slow O(n^2) as we add more files, but
# this really shouldn't be performance critical.
join "$FILE$i" "$FILE${NEXTFILE}" | grep . > "$FILE"
# Find the max length of the [numeric only] values in the file so we know how
# wide to make the columns
MAXLEN=`awk '{print $2}' "$FILE${NEXTFILE}" | grep -v '[^0-9]' | awk '{print length($1)}' | sort -rn | head -n1`
mv "$FILE" "$FILE${NEXTFILE}"
SPEC="$SPEC %${MAXLEN}d";
# The final file will contain lines like:
#
# Bytes_received 100 200 50 300
#
# For each such line in awk, $1 is the var name and $2 is the first value
# of the var, so these are fixed when we build AWKCMD after this loop.
# When i=1, we're comparing file1 to file2, and the resulting value becomes
# awk $3. Hence $i + 2=$3 below. Then incr and repeat for subsequent files.
#
# With --relative, the $i and awk field numbers are the same, but we print
# differences $3-$2, $4-$3, $5-$4 from the input line for awk fields $3, $4,
# and $5 respectively. Here's a table:
#
# i awk Input line fields
# == === =================
# 1 $3 $3-$2
# 2 $4 $4-$3
# 3 $5 $5-$4
if [ "$OPT_RELATIVE" ]; then
AWKS="$AWKS, \$`expr $i + 2` - \$`expr $i + 1`";
else
AWKS="$AWKS, \$$(($i + 2))";
fi
done
# Print output
AWKCMD="printf(\"$SPEC\n\", \$1, \$2$AWKS);";
awk "{$AWKCMD}" "$FILE`expr $NUM + 1`"
# Remove all temporary files and the tmp dir.
rm_tmpdir
exit 0
# ############################################################################
# Documentation
# ############################################################################
:<<'DOCUMENTATION'
=pod
=head1 NAME
pt-mext - Look at many samples of MySQL C<SHOW GLOBAL STATUS> side-by-side.
=head1 SYNOPSIS
Usage: pt-mext [OPTIONS] -- COMMAND
pt-mext columnizes repeated output from a program like mysqladmin extended.
Get output from C<mysqladmin>:
pt-mext -r -- mysqladmin ext -i10 -c3
Get output from a file:
pt-mext -r -- cat mysqladmin-output.txt
=head1 RISKS
Percona Toolkit is mature, proven in the real world, and well tested,
but all database tools can pose a risk to the system and the database
server. Before using this tool, please:
=over
=item * Read the tool's documentation
=item * Review the tool's known L<"BUGS">
=item * Test the tool on a non-production server
=item * Backup your production server and verify the backups
=back
=head1 DESCRIPTION
pt-mext executes the C<COMMAND> you specify, and reads through the result one
line at a time. It places each line into a temporary file. When it finds a
blank line, it assumes that a new sample of SHOW GLOBAL STATUS is starting,
and it creates a new temporary file. At the end of this process, it has a
number of temporary files. It joins the temporary files together side-by-side
and prints the result. If L<"--relative"> option is given, it first subtracts
each sample from the one after it before printing results.
=head1 OPTIONS
=over
=item --help
Show help and exit.
=item --relative
short form: -r
Subtract each column from the previous column.
=item --version
Show version and exit.
=back
=head1 ENVIRONMENT
This tool does not use any environment variables.
=head1 SYSTEM REQUIREMENTS
This tool requires the Bourne shell (F</bin/sh>) and the seq program.
=head1 BUGS
For a list of known bugs, see L<http://www.percona.com/bugs/pt-mext>.
Please report bugs at L<https://bugs.launchpad.net/percona-toolkit>.
Include the following information in your bug report:
=over
=item * Complete command-line used to run the tool
=item * Tool L<"--version">
=item * MySQL version of all servers involved
=item * Output from the tool including STDERR
=item * Input files (log/dump/config files, etc.)
=back
If possible, include debugging output by running the tool with C<PTDEBUG>;
see L<"ENVIRONMENT">.
=head1 DOWNLOADING
Visit L<http://www.percona.com/software/percona-toolkit/> to download the
latest release of Percona Toolkit. Or, get the latest release from the
command line:
wget percona.com/get/percona-toolkit.tar.gz
wget percona.com/get/percona-toolkit.rpm
wget percona.com/get/percona-toolkit.deb
You can also get individual tools from the latest release:
wget percona.com/get/TOOL
Replace C<TOOL> with the name of any tool.
=head1 AUTHORS
Baron Schwartz
=head1 ABOUT PERCONA TOOLKIT
This tool is part of Percona Toolkit, a collection of advanced command-line
tools for MySQL developed by Percona. Percona Toolkit was forked from two
projects in June, 2011: Maatkit and Aspersa. Those projects were created by
Baron Schwartz and primarily developed by him and Daniel Nichter. Visit
L<http://www.percona.com/software/> to learn about other free, open-source
software from Percona.
=head1 COPYRIGHT, LICENSE, AND WARRANTY
This program is copyright 2011-2014 Percona LLC and/or its affiliates,
2010 Baron Schwartz.
THIS PROGRAM IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
MERCHANTABILITY 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.
=head1 VERSION
pt-mext 2.2.7
=cut
DOCUMENTATION
|