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#!/usr/bin/perl -w
# mysqlreport v3.5 Apr 16 2008
# http://hackmysql.com/mysqlreport
# mysqlreport makes an easy-to-read report of important MySQL status values.
# Copyright 2006-2008 Daniel Nichter
#
# 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; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# The GNU General Public License is available at:
# http://www.gnu.org/copyleft/gpl.html
use strict;
use File::Temp qw(tempfile);
use DBI;
use Getopt::Long;
eval { require Term::ReadKey; };
my $RK = ($@ ? 0 : 1);
sub have_op;
my $WIN = ($^O eq 'MSWin32' ? 1 : 0);
my %op;
my %mycnf; # ~/.my.cnf
my ($tmpfile_fh, $tmpfile);
my ($stat_name, $stat_val, $stat_label);
my $MySQL_version;
my (%stats, %vars); # SHOW STATUS, SHOW VARIABLES
my (%DMS_vals, %Com_vals, %ib_vals);
my ($dbh, $query);
my ($questions, $key_read_ratio, $key_write_ratio, $dms, $slow_query_t);
my ($key_cache_block_size, $key_buffer_used, $key_buffer_usage);
my ($qc_mem_used, $qc_hi_r, $qc_ip_r); # Query Cache
my $have_innodb_vals;
my ($ib_bp_used, $ib_bp_total, $ib_bp_read_ratio);
my ($relative_live, $relative_infiles);
my $real_uptime;
my (%stats_present, %stats_past); # For relative reports
GetOptions (
\%op,
"user=s",
"password:s",
"host=s",
"port=s",
"socket=s",
"no-mycnf",
"infile|in=s",
"outfile=s",
"flush-status",
"email=s",
"r|relative:i",
"c|report-count=i",
"detach",
"help|?",
"debug"
);
show_help_and_exit() if $op{'help'};
get_user_mycnf() unless $op{'no-mycnf'};
# Command line options override ~/.my.cnf
$mycnf{'host'} = $op{'host'} if have_op 'host';
$mycnf{'port'} = $op{'port'} if have_op 'port';
$mycnf{'socket'} = $op{'socket'} if have_op 'socket';
$mycnf{'user'} = $op{'user'} if have_op 'user';
$mycnf{'user'} ||= $ENV{'USER'};
if(exists $op{'password'})
{
if($op{'password'} eq '') # Prompt for password
{
Term::ReadKey::ReadMode(2) if $RK;
print "Password for database user $mycnf{'user'}: ";
chomp($mycnf{'pass'} = <STDIN>);
Term::ReadKey::ReadMode(0), print "\n" if $RK;
}
else { $mycnf{'pass'} = $op{'password'}; } # Use password given on command line
}
$op{'com'} ||= 3;
$op{'c'} ||= 1; # Used in collect_reports() if --r given integer value
$relative_live = 0;
$relative_infiles = 0;
if(defined $op{'r'})
{
if($op{r}) { $relative_live = 1; } # if -r was given an integer value
else { $relative_infiles = 1; }
}
# The report is written to a tmp file first.
# Later it will be moved to $op{'outfile'} or emailed $op{'email'} if needed.
($tmpfile_fh, $tmpfile) = tempfile() or die "Cannot open temporary file for writing: $!\n";
if($op{'detach'})
{
$SIG{'TERM'} = 'sig_handler';
if(fork())
{
print "mysqlreport has forked and detached.\n";
print "While running detached, mysqlreport writes reports to '$tmpfile'.\n";
exit;
}
open(STDIN, "</dev/null");
open(STDOUT, "> $tmpfile") or die "Cannot dup STDOUT: $!\n";
open(STDERR, "> $tmpfile") or die "Cannot dup STDERR: $!\n";
}
select $tmpfile_fh;
$| = 1 if ($op{'detach'} || $relative_live);
print "tmp file: $tmpfile\n" if $op{debug};
# Connect to MySQL
if(!$op{'infile'} && !$relative_infiles)
{
connect_to_MySQL();
}
$have_innodb_vals = 1; # This might be set to 0 later in get_MySQL_version()
if(defined $op{'r'})
{
if($relative_live)
{
print STDERR "mysqlreport is writing relative reports to '$tmpfile'.\n" unless $op{'detach'};
get_MySQL_version();
collect_reports();
}
if($relative_infiles) { read_relative_infiles(); }
}
else
{
if(!$op{'infile'})
{
get_MySQL_version();
get_vals();
get_vars();
}
else
{
read_infile($op{'infile'});
}
get_Com_values();
set_myisam_vals();
set_ib_vals() if $have_innodb_vals;
write_report();
}
exit_tasks_and_cleanup();
exit;
#
# Subroutines
#
sub show_help_and_exit
{
print <<"HELP";
mysqlreport v3.5 Apr 16 2008
mysqlreport makes an easy-to-read report of important MySQL status values.
Command line options (abbreviations work):
--user USER Connect to MySQL as USER
--password PASS Use PASS or prompt for MySQL user's password
--host ADDRESS Connect to MySQL at ADDRESS
--port PORT Connect to MySQL at PORT
--socket SOCKET Connect to MySQL at SOCKET
--no-mycnf Don't read ~/.my.cnf
--infile FILE Read status values from FILE instead of MySQL
--outfile FILE Write report to FILE
--email ADDRESS Email report to ADDRESS (doesn't work on Windows)
--flush-status Issue FLUSH STATUS; after getting current values
--relative X Generate relative reports. If X is an integer,
reports are live from the MySQL server X seconds apart.
If X is a list of infiles (file1 file2 etc.),
reports are generated from the infiles in the order
that they are given.
--report-count N Collect N number of live relative reports (default 1)
--detach Fork and detach from terminal (run in background)
--help Prints this
--debug Print debugging information
Visit http://hackmysql.com/mysqlreport for more information.
HELP
exit;
}
sub get_user_mycnf
{
print "get_user_mycnf\n" if $op{debug};
return if $WIN;
open MYCNF, "$ENV{HOME}/.my.cnf" or return;
while(<MYCNF>)
{
if(/^(.+?)\s*=\s*"?(.+?)"?\s*$/)
{
$mycnf{$1} = $2;
print "get_user_mycnf: read '$1 = $2'\n" if $op{debug};
}
}
$mycnf{'pass'} ||= $mycnf{'password'} if exists $mycnf{'password'};
close MYCNF;
}
sub connect_to_MySQL
{
print "connect_to_MySQL\n" if $op{debug};
my $dsn;
if($mycnf{'socket'} && -S $mycnf{'socket'})
{
$dsn = "DBI:mysql:mysql_socket=$mycnf{socket}";
}
elsif($mycnf{'host'})
{
$dsn = "DBI:mysql:host=$mycnf{host}" . ($mycnf{port} ? ";port=$mycnf{port}" : "");
}
else
{
$dsn = "DBI:mysql:host=localhost";
}
print "connect_to_MySQL: DBI DSN: $dsn\n" if $op{debug};
$dbh = DBI->connect($dsn, $mycnf{'user'}, $mycnf{'pass'}) or die;
}
sub collect_reports
{
print "collect_reports\n" if $op{debug};
my $i;
get_vals();
get_vars();
get_Com_values();
%stats_past = %stats;
set_myisam_vals();
set_ib_vals() if $have_innodb_vals;
print "#\n# Beginning report, 0 0:0:0\n#\n";
write_report();
for($i = 0; $i < $op{'c'}; $i++)
{
$dbh->disconnect();
sleep($op{'r'});
connect_to_MySQL();
print "\n#\n# Interval report " , $i + 1 , ", +", sec_to_dhms(($i + 1) * $op{'r'}), "\n#\n";
get_vals();
write_relative_report();
}
}
sub read_relative_infiles
{
print "read_relative_infiles\n" if $op{debug};
my $slurp; # Used to check infiles for multiple sets of status values
my $n_stats; # Number of multiple sets of status values in an infile
my $infile;
my $report_n; # Report number
$report_n = 1;
foreach $infile (@ARGV)
{
# Read all of infile into $slurp
open INFILE, "< $infile" or warn and next;
$slurp = do { local $/; <INFILE> };
close INFILE;
$n_stats = 0;
# Count number of status value sets
$n_stats++ while $slurp =~ /Aborted_clients/g;
print "read_relative_infiles: found $n_stats sets of status values in file '$infile'\n"
if $op{debug};
if($n_stats == 1)
{
read_infile($infile);
relative_infile_report($report_n++);
}
if($n_stats > 1)
{
my @tmpfile_fh;
my @tmpfile_name;
my $i;
my $stat_n; # Status value set number
# Create a tmp file for each set of status values
for($i = 0; $i < $n_stats; $i++)
{
my ($fh, $name) = tempfile()
or die "read_relative_infiles: cannot open temporary file for writing: $!\n";
push(@tmpfile_fh, $fh);
push(@tmpfile_name, $name);
print "read_relative_infiles: created tmp file '$name' for set $i\n" if $op{debug};
}
$i = 0;
$stat_n = 0;
select $tmpfile_fh[$i];
# Read infile again and copy each set of status values to seperate tmp files
open INFILE, "< $infile" or warn and next;
while(<INFILE>)
{
next if /^\+/;
next if /^$/;
# The infile must begin with the system variable values.
# Therefore, the first occurance of Aborted_clients indicates the beginning
# of the first set of status values if no sets have occured yet ($stat_n == 0).
# In this case, the following status values are printed to the current fh,
# along with the system variable values read thus far, until Aborted_clients
# occurs again. Then begins the second and subsequent sets of status values.
if(/Aborted_clients/)
{
print and next if $stat_n++ == 0;
select $tmpfile_fh[++$i];
}
print;
}
close INFILE;
# Re-select the main tmp file into which the reports are being written.
select $tmpfile_fh;
for($i = 0; $i < $n_stats; $i++)
{
close $tmpfile_fh[$i];
print "read_relative_infiles: reading set $i tmp file '$tmpfile_name[$i]'\n"
if $op{debug};
read_infile($tmpfile_name[$i]);
relative_infile_report($report_n++);
if($WIN) { `del $tmpfile_name[$i]`; }
else { `rm -f $tmpfile_name[$i]`; }
print "read_relative_infiles: deleted set $i tmp file '$tmpfile_name[$i]'\n"
if $op{debug};
}
} # if($n_stats > 1)
} # foreach $infile (@files)
}
sub relative_infile_report
{
print "relative_infile_report\n" if $op{debug};
my $report_n = shift;
if($report_n == 1)
{
get_Com_values();
%stats_past = %stats;
set_myisam_vals();
set_ib_vals() if $have_innodb_vals;
print "#\n# Beginning report, 0 0:0:0\n#\n";
write_report();
}
else
{
print "\n#\n# Interval report ", $report_n - 1, ", +",
sec_to_dhms($stats{Uptime} - $stats_past{Uptime}),
"\n#\n";
write_relative_report();
}
}
sub get_vals
{
print "get_vals\n" if $op{debug};
my @row;
# Get status values
if($MySQL_version >= 50002)
{
$query = $dbh->prepare("SHOW GLOBAL STATUS;");
}
else
{
$query = $dbh->prepare("SHOW STATUS;");
}
$query->execute();
while(@row = $query->fetchrow_array()) { $stats{$row[0]} = $row[1]; }
$real_uptime = $stats{'Uptime'};
}
sub get_vars
{
print "get_vars\n" if $op{debug};
my @row;
# Get server system variables
$query = $dbh->prepare("SHOW VARIABLES;");
$query->execute();
while(@row = $query->fetchrow_array()) { $vars{$row[0]} = $row[1]; }
# table_cache was renamed to table_open_cache in MySQL 5.1.3
if($MySQL_version >= 50103)
{
$vars{'table_cache'} = $vars{'table_open_cache'};
}
}
sub read_infile
{
print "read_infile\n" if $op{debug};
my $infile = shift;
# Default required system variable values if not set in INFILE.
# As of mysqlreport v3.5 the direct output from SHOW VARIABLES;
# can be put into INFILE instead. See http://hackmysql.com/mysqlreportdoc
# for details.
$vars{'version'} = "0.0.0" if !exists $vars{'version'};
$vars{'table_cache'} = 64 if !exists $vars{'table_cache'};
$vars{'max_connections'} = 100 if !exists $vars{'max_connections'};
$vars{'key_buffer_size'} = 8388600 if !exists $vars{'key_buffer_size'}; # 8M
$vars{'thread_cache_size'} = 0 if !exists $vars{'thread_cache_size'};
$vars{'tmp_table_size'} = 0 if !exists $vars{'tmp_table_size'};
$vars{'long_query_time'} = '?' if !exists $vars{'long_query_time'};
$vars{'log_slow_queries'} = '?' if !exists $vars{'log_slow_queries'};
# One should also add:
# key_cache_block_size
# query_cache_size
# to INFILE if needed.
open INFILE, "< $infile" or die "Cannot open INFILE '$infile': $!\n";
while(<INFILE>)
{
last if !defined $_;
next if /^\+/; # skip divider lines
next if /^$/; # skip blank lines
next until /(Aborted_clients|back_log|=)/;
if($1 eq 'Aborted_clients') # status values
{
print "read_infile: start stats\n" if $op{debug};
while($_)
{
chomp;
if(/([A-Za-z_]+)[\s\t|]+(\d+)/)
{
$stats{$1} = $2;
print "read_infile: save $1 = $2\n" if $op{debug};
}
else { print "read_infile: ignore '$_'\n" if $op{debug}; }
last if $1 eq 'Uptime'; # exit while() if end of status values
$_ = <INFILE>; # otherwise, read next line of status values
}
}
elsif($1 eq 'back_log') # system variable values
{
print "read_infile: start vars\n" if $op{debug};
while($_)
{
chomp;
if(/([A-Za-z_]+)[\s\t|]+([\w\.\-]+)/) # This will exclude some vars
{ # like pid_file which we don't need
$vars{$1} = $2;
print "read_infile: save $1 = $2\n" if $op{debug};
}
else { print "read_infile: ignore '$_'\n" if $op{debug}; }
last if $1 eq 'wait_timeout'; # exit while() if end of vars
$_ = <INFILE>; # otherwise, read next line of vars
}
}
elsif($1 eq '=') # old style, manually added system variable values
{
print "read_infile: start old vars\n" if $op{debug};
while($_ && $_ =~ /=/)
{
chomp;
if(/^\s*(\w+)\s*=\s*([0-9.]+)(M*)\s*$/) # e.g.: key_buffer_size = 128M
{
$vars{$1} = ($3 ? $2 * 1024 * 1024 : $2);
print "read_infile: read '$_' as $1 = $vars{$1}\n" if $op{debug};
}
else { print "read_infile: ignore '$_'\n" if $op{debug}; }
$_ = <INFILE>; # otherwise, read next line of old vars
}
redo;
}
else
{
print "read_infile: unrecognized line: '$_'\n" if $op{debug};
}
}
close INFILE;
$real_uptime = $stats{'Uptime'};
$vars{'table_cache'} = $vars{'table_open_cache'} if exists $vars{'table_open_cache'};
get_MySQL_version();
}
sub get_MySQL_version
{
print "get_MySQL_version\n" if $op{debug};
return if $MySQL_version;
my ($major, $minor, $patch);
if($op{'infile'} || $relative_infiles)
{
($major, $minor, $patch) = ($vars{'version'} =~ /(\d{1,2})\.(\d{1,2})\.(\d{1,2})/);
}
else
{
my @row;
$query = $dbh->prepare("SHOW VARIABLES LIKE 'version';");
$query->execute();
@row = $query->fetchrow_array();
($major, $minor, $patch) = ($row[1] =~ /(\d{1,2})\.(\d{1,2})\.(\d{1,2})/);
}
$MySQL_version = sprintf("%d%02d%02d", $major, $minor, $patch);
# Innodb_ status values were added in 5.0.2
if($MySQL_version < 50002)
{
$have_innodb_vals = 0;
print "get_MySQL_version: no InnoDB reports because MySQL version is older than 5.0.2\n" if $op{debug};
}
}
sub set_myisam_vals
{
print "set_myisam_vals\n" if $op{debug};
$questions = $stats{'Questions'};
$key_read_ratio = sprintf "%.2f",
($stats{'Key_read_requests'} ?
100 - ($stats{'Key_reads'} / $stats{'Key_read_requests'}) * 100 :
0);
$key_write_ratio = sprintf "%.2f",
($stats{'Key_write_requests'} ?
100 - ($stats{'Key_writes'} / $stats{'Key_write_requests'}) * 100 :
0);
$key_cache_block_size = (defined $vars{'key_cache_block_size'} ?
$vars{'key_cache_block_size'} :
1024);
$key_buffer_used = $stats{'Key_blocks_used'} * $key_cache_block_size;
if(defined $stats{'Key_blocks_unused'}) # MySQL 4.1.2+
{
$key_buffer_usage = $vars{'key_buffer_size'} -
($stats{'Key_blocks_unused'} * $key_cache_block_size);
}
else { $key_buffer_usage = -1; }
# Data Manipulation Statements: http://dev.mysql.com/doc/refman/5.0/en/data-manipulation.html
%DMS_vals =
(
SELECT => $stats{'Com_select'},
INSERT => $stats{'Com_insert'} + $stats{'Com_insert_select'},
REPLACE => $stats{'Com_replace'} + $stats{'Com_replace_select'},
UPDATE => $stats{'Com_update'} +
(exists $stats{'Com_update_multi'} ? $stats{'Com_update_multi'} : 0),
DELETE => $stats{'Com_delete'} +
(exists $stats{'Com_delete_multi'} ? $stats{'Com_delete_multi'} : 0)
);
$dms = $DMS_vals{SELECT} + $DMS_vals{INSERT} + $DMS_vals{REPLACE} + $DMS_vals{UPDATE} + $DMS_vals{DELETE};
$slow_query_t = format_u_time($vars{long_query_time});
}
sub set_ib_vals
{
print "set_ib_vals\n" if $op{debug};
$ib_bp_used = ($stats{'Innodb_buffer_pool_pages_total'} -
$stats{'Innodb_buffer_pool_pages_free'}) *
$stats{'Innodb_page_size'};
$ib_bp_total = $stats{'Innodb_buffer_pool_pages_total'} * $stats{'Innodb_page_size'};
$ib_bp_read_ratio = sprintf "%.2f",
($stats{'Innodb_buffer_pool_read_requests'} ?
100 - ($stats{'Innodb_buffer_pool_reads'} /
$stats{'Innodb_buffer_pool_read_requests'}) * 100 :
0);
}
sub write_relative_report
{
print "write_relative_report\n" if $op{debug};
%stats_present = %stats;
for(keys %stats)
{
if($stats_past{$_} =~ /\d+/)
{
if($stats_present{$_} >= $stats_past{$_}) # Avoid negative values
{
$stats{$_} = $stats_present{$_} - $stats_past{$_};
}
}
}
# These values are either "at present" or "high water marks".
# Therefore, it is more logical to not relativize these values.
# Doing otherwise causes strange and misleading values.
$stats{'Key_blocks_used'} = $stats_present{'Key_blocks_used'};
$stats{'Open_tables'} = $stats_present{'Open_tables'};
$stats{'Max_used_connections'} = $stats_present{'Max_used_connections'};
$stats{'Threads_running'} = $stats_present{'Threads_running'};
$stats{'Threads_connected'} = $stats_present{'Threads_connected'};
$stats{'Threads_cached'} = $stats_present{'Threads_cached'};
$stats{'Qcache_free_blocks'} = $stats_present{'Qcache_free_blocks'};
$stats{'Qcache_total_blocks'} = $stats_present{'Qcache_total_blocks'};
$stats{'Qcache_free_memory'} = $stats_present{'Qcache_free_memory'};
if($have_innodb_vals)
{
$stats{'Innodb_page_size'} = $stats_present{'Innodb_page_size'};
$stats{'Innodb_buffer_pool_pages_data'} = $stats_present{'Innodb_buffer_pool_pages_data'};
$stats{'Innodb_buffer_pool_pages_dirty'} = $stats_present{'Innodb_buffer_pool_pages_dirty'};
$stats{'Innodb_buffer_pool_pages_free'} = $stats_present{'Innodb_buffer_pool_pages_free'};
$stats{'Innodb_buffer_pool_pages_latched'} = $stats_present{'Innodb_buffer_pool_pages_latched'};
$stats{'Innodb_buffer_pool_pages_misc'} = $stats_present{'Innodb_buffer_pool_pages_misc'};
$stats{'Innodb_buffer_pool_pages_total'} = $stats_present{'Innodb_buffer_pool_pages_total'};
$stats{'Innodb_data_pending_fsyncs'} = $stats_present{'Innodb_data_pending_fsyncs'};
$stats{'Innodb_data_pending_reads'} = $stats_present{'Innodb_data_pending_reads'};
$stats{'Innodb_data_pending_writes'} = $stats_present{'Innodb_data_pending_writes'};
# Innodb_row_lock_ values were added in MySQL 5.0.3
if($MySQL_version >= 50003)
{
$stats{'Innodb_row_lock_current_waits'} = $stats_present{'Innodb_row_lock_current_waits'};
$stats{'Innodb_row_lock_time_avg'} = $stats_present{'Innodb_row_lock_time_avg'};
$stats{'Innodb_row_lock_time_max'} = $stats_present{'Innodb_row_lock_time_max'};
}
}
get_Com_values();
%stats_past = %stats_present;
set_myisam_vals();
set_ib_vals() if $have_innodb_vals;
write_report();
}
sub write_report
{
print "write_report\n" if $op{debug};
$~ = 'MYSQL_TIME', write;
$~ = 'KEY_BUFF_MAX', write;
if($key_buffer_usage != -1) { $~ = 'KEY_BUFF_USAGE', write }
$~ = 'KEY_RATIOS', write;
write_DTQ();
$~ = 'SLOW_DMS', write;
write_DMS();
write_Com();
$~ = 'SAS', write;
write_qcache();
$~ = 'REPORT_END', write;
$~ = 'TAB', write;
write_InnoDB() if $have_innodb_vals;
}
sub sec_to_dhms # Seconds to days hours:minutes:seconds
{
my $s = shift;
my ($d, $h, $m) = (0, 0, 0);
return '0 0:0:0' if $s <= 0;
if($s >= 86400)
{
$d = int $s / 86400;
$s -= $d * 86400;
}
if($s >= 3600)
{
$h = int $s / 3600;
$s -= $h * 3600;
}
$m = int $s / 60;
$s -= $m * 60;
return "$d $h:$m:$s";
}
sub make_short
{
my ($number, $kb, $d) = @_;
my $n = 0;
my $short;
$d ||= 2;
if($kb) { while ($number > 1023) { $number /= 1024; $n++; }; }
else { while ($number > 999) { $number /= 1000; $n++; }; }
$short = sprintf "%.${d}f%s", $number, ('','k','M','G','T')[$n];
if($short =~ /^(.+)\.(00)$/) { return $1; } # 12.00 -> 12 but not 12.00k -> 12k
return $short;
}
# What began as a simple but great idea has become the new standard:
# long_query_time in microseconds. For MySQL 5.1.21+ and 6.0.4+ this
# is now standard. For 4.1 and 5.0 patches, the architects of this
# idea provide: http://www.mysqlperformanceblog.com/mysql-patches/
# Relevant notes in MySQL manual:
# http://dev.mysql.com/doc/refman/5.1/en/slow-query-log.html
# http://dev.mysql.com/doc/refman/6.0/en/slow-query-log.html
#
# The format_u_time sub simply beautifies long_query_time.
sub format_u_time # format microsecond (<28>) time value
{
# 0.000000 - 0.000999 = 0 - 999 <20>
# 0.001000 - 0.999999 = 1 ms - 999.999 ms
# 1.000000 - n.nnnnnn = 1 s - n.nnnnn s
my $t = shift;
my $f; # formatted <20> time
my $u = chr(($WIN ? 230 : 181));
$t = 0 if $t < 0;
if($t > 0 && $t <= 0.000999)
{
$f = ($t * 1000000) . " $u";
}
elsif($t >= 0.001000 && $t <= 0.999999)
{
$f = ($t * 1000) . ' ms';
}
elsif($t >= 1)
{
$f = ($t * 1) . ' s'; # * 1 to remove insignificant zeros
}
else
{
$f = 0; # $t should = 0 at this point
}
return $f;
}
sub perc # Percentage
{
my($is, $of) = @_;
$is = 0 if (not defined $is);
return sprintf "%.2f", ($is * 100) / ($of ||= 1);
}
sub t # Time average per second
{
my $val = shift;
return 0 if !$val;
return(make_short($val / $stats{'Uptime'}, 0, 1));
}
sub email_report # Email given report to $op{'email'}
{
print "email_report\n" if $op{debug};
return if $WIN;
my $report = shift;
open SENDMAIL, "|/usr/sbin/sendmail -t";
print SENDMAIL "From: mysqlreport\n";
print SENDMAIL "To: $op{email}\n";
print SENDMAIL "Subject: MySQL status report on " . ($mycnf{'host'} || 'localhost') . "\n\n";
print SENDMAIL `cat $report`;
close SENDMAIL;
}
sub cat_report # Print given report to screen
{
print "cat_report\n" if $op{debug};
my $report = shift;
my @report;
open REPORT, "< $report";
@report = <REPORT>;
close REPORT;
print @report;
}
sub get_Com_values
{
print "get_Com_values\n" if $op{debug};
%Com_vals = ();
# Make copy of just the Com_ values
for(keys %stats)
{
if(grep /^Com_/, $_ and $stats{$_} > 0)
{
/^Com_(.*)/;
$Com_vals{$1} = $stats{$_};
}
}
# Remove DMS values
delete $Com_vals{'select'};
delete $Com_vals{'insert'};
delete $Com_vals{'insert_select'};
delete $Com_vals{'replace'};
delete $Com_vals{'replace_select'};
delete $Com_vals{'update'};
delete $Com_vals{'update_multi'} if exists $Com_vals{'update_multi'};
delete $Com_vals{'delete'};
delete $Com_vals{'delete_multi'} if exists $Com_vals{'delete_multi'};
}
sub write_DTQ # Write DTQ report in descending order by values
{
print "write_DTQ\n" if $op{debug};
$~ = 'DTQ';
my %DTQ;
my $first = 1;
# Total Com values
$stat_val = 0;
for(values %Com_vals) { $stat_val += $_; }
$DTQ{'Com_'} = $stat_val;
$DTQ{'DMS'} = $dms;
$DTQ{'QC Hits'} = $stats{'Qcache_hits'} if $stats{'Qcache_hits'} != 0;
$DTQ{'COM_QUIT'} = int (($stats{'Connections'} - 2) - ($stats{'Aborted_clients'} / 2));
$stat_val = 0;
for(values %DTQ) { $stat_val += $_; }
if($questions != $stat_val)
{
$DTQ{($questions > $stat_val ? '+Unknown' : '-Unknown')} = abs $questions - $stat_val;
}
for(sort { $DTQ{$b} <=> $DTQ{$a} } keys(%DTQ))
{
if($first) { $stat_label = '%Total:'; $first = 0; }
else { $stat_label = ''; }
$stat_name = $_;
$stat_val = $DTQ{$_};
write;
}
}
sub write_DMS # Write DMS report in descending order by values
{
print "write_DMS\n" if $op{debug};
$~ = 'DMS';
for(sort { $DMS_vals{$b} <=> $DMS_vals{$a} } keys(%DMS_vals))
{
$stat_name = $_;
$stat_val = $DMS_vals{$_};
write;
}
}
sub write_Com # Write COM report in descending order by values
{
print "write_Com\n" if $op{debug};
my $i = $op{'com'};
$~ = 'COM_1';
# Total Com values and write first line of COM report
$stat_label = '%Total:' unless $op{'dtq'};
$stat_val = 0;
for(values %Com_vals) { $stat_val += $_; }
write;
$~ = 'COM_2';
# Sort remaining Com values, print only the top $op{'com'} number of values
for(sort { $Com_vals{$b} <=> $Com_vals{$a} } keys(%Com_vals))
{
$stat_name = $_;
$stat_val = $Com_vals{$_};
write;
last if !(--$i);
}
}
sub write_qcache
{
print "write_qcache\n" if $op{debug};
# Query cache was added in 4.0.1, but have_query_cache was added in 4.0.2,
# ergo this method is slightly more reliable
return if not exists $vars{'query_cache_size'};
return if $vars{'query_cache_size'} == 0;
$qc_mem_used = $vars{'query_cache_size'} - $stats{'Qcache_free_memory'};
$qc_hi_r = sprintf "%.2f", $stats{'Qcache_hits'} / ($stats{'Qcache_inserts'} ||= 1);
$qc_ip_r = sprintf "%.2f", $stats{'Qcache_inserts'} / ($stats{'Qcache_lowmem_prunes'} ||= 1);
$~ = 'QCACHE';
write;
}
sub write_InnoDB
{
print "write_InnoDB\n" if $op{debug};
return if not defined $stats{'Innodb_page_size'};
$stats{'Innodb_buffer_pool_pages_latched'} = 0 if not defined $stats{'Innodb_buffer_pool_pages_latched'};
$~ = 'IB';
write;
# Innodb_row_lock_ values were added in MySQL 5.0.3
if($MySQL_version >= 50003)
{
$~ = 'IB_LOCK';
write;
}
# Data, Pages, Rows
$~ = 'IB_DPR';
write;
}
sub have_op
{
my $key = shift;
return 1 if (exists $op{$key} && $op{$key} ne '');
return 0;
}
sub sig_handler
{
print "\nReceived signal at " , scalar localtime , "\n";
exit_tasks_and_cleanup();
exit;
}
sub exit_tasks_and_cleanup
{
print "exit_tasks_and_cleanup\n" if $op{debug};
close $tmpfile_fh;
select STDOUT unless $op{'detach'};
email_report($tmpfile) if $op{'email'};
cat_report($tmpfile) unless $op{'detach'};
if($op{'outfile'})
{
if($WIN) { `move $tmpfile $op{outfile}`; }
else { `mv $tmpfile $op{outfile}`; }
}
else
{
if($WIN) { `del $tmpfile`; }
else { `rm -f $tmpfile`; }
}
if(!$op{'infile'} && !$relative_infiles)
{
if($op{'flush-status'})
{
$query = $dbh->prepare("FLUSH STATUS;");
$query->execute();
}
$query->finish();
$dbh->disconnect();
}
}
#
# Formats
#
format MYSQL_TIME =
MySQL @<<<<<<<<<<<<<<<< uptime @<<<<<<<<<<< @>>>>>>>>>>>>>>>>>>>>>>>>
$vars{'version'}, sec_to_dhms($real_uptime), (($op{infile} || $relative_infiles) ? '' : scalar localtime)
.
format KEY_BUFF_MAX =
__ Key _________________________________________________________________
Buffer used @>>>>>> of @>>>>>> %Used: @>>>>>
make_short($key_buffer_used, 1), make_short($vars{'key_buffer_size'}, 1), perc($key_buffer_used, $vars{'key_buffer_size'})
.
format KEY_BUFF_USAGE =
Current @>>>>>> %Usage: @>>>>>
make_short($key_buffer_usage, 1), perc($key_buffer_usage, $vars{'key_buffer_size'})
.
format KEY_RATIOS =
Write hit @>>>>>%
$key_write_ratio
Read hit @>>>>>%
$key_read_ratio
__ Questions ___________________________________________________________
Total @>>>>>>>> @>>>>>/s
make_short($questions), t($questions)
.
format DTQ =
@<<<<<<< @>>>>>>>> @>>>>>/s @>>>>>> @>>>>>
$stat_name, make_short($stat_val), t($stat_val), $stat_label, perc($stat_val, $questions)
.
format SLOW_DMS =
Slow @<<<<<<< @>>>>>> @>>>>>/s @>>>>> %DMS: @>>>>> Log: @>>
$slow_query_t, make_short($stats{'Slow_queries'}), t($stats{'Slow_queries'}), perc($stats{'Slow_queries'}, $questions), perc($stats{'Slow_queries'}, $dms), $vars{'log_slow_queries'}
DMS @>>>>>>>> @>>>>>/s @>>>>>
make_short($dms), t($dms), perc($dms, $questions)
.
format DMS =
@<<<<<<< @>>>>>>>> @>>>>>/s @>>>>> @>>>>>
$stat_name, make_short($stat_val), t($stat_val), perc($stat_val, $questions), perc($stat_val, $dms)
.
format COM_1 =
Com_ @>>>>>>>> @>>>>>/s @>>>>>
make_short($stat_val), t($stat_val), perc($stat_val, $questions)
.
format COM_2 =
@<<<<<<<<<< @>>>>>> @>>>>>/s @>>>>>
$stat_name, make_short($stat_val), t($stat_val), perc($stat_val, $questions)
.
format SAS =
__ SELECT and Sort _____________________________________________________
Scan @>>>>>> @>>>>/s %SELECT: @>>>>>
make_short($stats{'Select_scan'}), t($stats{'Select_scan'}), perc($stats{'Select_scan'}, $stats{'Com_select'})
Range @>>>>>> @>>>>/s @>>>>>
make_short($stats{'Select_range'}), t($stats{'Select_range'}), perc($stats{'Select_range'}, $stats{'Com_select'})
Full join @>>>>>> @>>>>/s @>>>>>
make_short($stats{'Select_full_join'}), t($stats{'Select_full_join'}), perc($stats{'Select_full_join'}, $stats{'Com_select'})
Range check @>>>>>> @>>>>/s @>>>>>
make_short($stats{'Select_range_check'}), t($stats{'Select_range_check'}), perc($stats{'Select_range_check'}, $stats{'Com_select'})
Full rng join @>>>>>> @>>>>/s @>>>>>
make_short($stats{'Select_full_range_join'}), t($stats{'Select_full_range_join'}), perc($stats{'Select_full_range_join'}, $stats{'Com_select'})
Sort scan @>>>>>> @>>>>/s
make_short($stats{'Sort_scan'}), t($stats{'Sort_scan'})
Sort range @>>>>>> @>>>>/s
make_short($stats{'Sort_range'}), t($stats{'Sort_range'})
Sort mrg pass @>>>>>> @>>>>/s
make_short($stats{'Sort_merge_passes'}), t($stats{'Sort_merge_passes'})
.
format QCACHE =
__ Query Cache _________________________________________________________
Memory usage @>>>>>> of @>>>>>> %Used: @>>>>>
make_short($qc_mem_used, 1), make_short($vars{'query_cache_size'}, 1), perc($qc_mem_used, $vars{'query_cache_size'})
Block Fragmnt @>>>>>%
perc($stats{'Qcache_free_blocks'}, $stats{'Qcache_total_blocks'})
Hits @>>>>>> @>>>>/s
make_short($stats{'Qcache_hits'}), t($stats{'Qcache_hits'})
Inserts @>>>>>> @>>>>/s
make_short($stats{'Qcache_inserts'}), t($stats{'Qcache_inserts'})
Insrt:Prune @>>>>>>:1 @>>>>/s
make_short($qc_ip_r), t($stats{'Qcache_inserts'} - $stats{'Qcache_lowmem_prunes'})
Hit:Insert @>>>>>>:1
$qc_hi_r, t($qc_hi_r)
.
# Not really the end...
format REPORT_END =
__ Table Locks _________________________________________________________
Waited @>>>>>>>> @>>>>>/s %Total: @>>>>>
make_short($stats{'Table_locks_waited'}), t($stats{'Table_locks_waited'}), perc($stats{'Table_locks_waited'}, $stats{'Table_locks_waited'} + $stats{'Table_locks_immediate'});
Immediate @>>>>>>>> @>>>>>/s
make_short($stats{'Table_locks_immediate'}), t($stats{'Table_locks_immediate'})
__ Tables ______________________________________________________________
Open @>>>>>>>> of @>>> %Cache: @>>>>>
$stats{'Open_tables'}, $vars{'table_cache'}, perc($stats{'Open_tables'}, $vars{'table_cache'})
Opened @>>>>>>>> @>>>>>/s
make_short($stats{'Opened_tables'}), t($stats{'Opened_tables'})
__ Connections _________________________________________________________
Max used @>>>>>>>> of @>>> %Max: @>>>>>
$stats{'Max_used_connections'}, $vars{'max_connections'}, perc($stats{'Max_used_connections'}, $vars{'max_connections'})
Total @>>>>>>>> @>>>>>/s
make_short($stats{'Connections'}), t($stats{'Connections'})
__ Created Temp ________________________________________________________
Disk table @>>>>>>>> @>>>>>/s
make_short($stats{'Created_tmp_disk_tables'}), t($stats{'Created_tmp_disk_tables'})
Table @>>>>>>>> @>>>>>/s Size: @>>>>>
make_short($stats{'Created_tmp_tables'}), t($stats{'Created_tmp_tables'}), make_short($vars{'tmp_table_size'}, 1, 1)
File @>>>>>>>> @>>>>>/s
make_short($stats{'Created_tmp_files'}), t($stats{'Created_tmp_files'})
.
format TAB =
__ Threads _____________________________________________________________
Running @>>>>>>>> of @>>>
$stats{'Threads_running'}, $stats{'Threads_connected'}
Cached @>>>>>>>> of @>>> %Hit: @>>>>>
$stats{'Threads_cached'}, $vars{'thread_cache_size'}, make_short(100 - perc($stats{'Threads_created'}, $stats{'Connections'}))
Created @>>>>>>>> @>>>>>/s
make_short($stats{'Threads_created'}), t($stats{'Threads_created'})
Slow @>>>>>>>> @>>>>>/s
$stats{'Slow_launch_threads'}, t($stats{'Slow_launch_threads'})
__ Aborted _____________________________________________________________
Clients @>>>>>>>> @>>>>>/s
make_short($stats{'Aborted_clients'}), t($stats{'Aborted_clients'})
Connects @>>>>>>>> @>>>>>/s
make_short($stats{'Aborted_connects'}), t($stats{'Aborted_connects'})
__ Bytes _______________________________________________________________
Sent @>>>>>>>> @>>>>>/s
make_short($stats{'Bytes_sent'}), t($stats{'Bytes_sent'})
Received @>>>>>>>> @>>>>>/s
make_short($stats{'Bytes_received'}), t($stats{'Bytes_received'})
.
format IB =
__ InnoDB Buffer Pool __________________________________________________
Usage @>>>>>> of @>>>>>> %Used: @>>>>>
make_short($ib_bp_used, 1), make_short($ib_bp_total, 1), perc($ib_bp_used, $ib_bp_total)
Read hit @>>>>>%
$ib_bp_read_ratio;
Pages
Free @>>>>>>>> %Total: @>>>>>
make_short($stats{'Innodb_buffer_pool_pages_free'}), perc($stats{'Innodb_buffer_pool_pages_free'}, $stats{'Innodb_buffer_pool_pages_total'})
Data @>>>>>>>> @>>>>> %Drty: @>>>>>
make_short($stats{'Innodb_buffer_pool_pages_data'}), perc($stats{'Innodb_buffer_pool_pages_data'}, $stats{'Innodb_buffer_pool_pages_total'}), perc($stats{'Innodb_buffer_pool_pages_dirty'}, $stats{'Innodb_buffer_pool_pages_data'})
Misc @>>>>>>>> @>>>>>
$stats{'Innodb_buffer_pool_pages_misc'}, perc($stats{'Innodb_buffer_pool_pages_misc'}, $stats{'Innodb_buffer_pool_pages_total'})
Latched @>>>>>>>> @>>>>>
$stats{'Innodb_buffer_pool_pages_latched'}, perc($stats{'Innodb_buffer_pool_pages_latched'}, $stats{'Innodb_buffer_pool_pages_total'})
Reads @>>>>>>>> @>>>>>/s
make_short($stats{'Innodb_buffer_pool_read_requests'}), t($stats{'Innodb_buffer_pool_read_requests'})
From file @>>>>>>>> @>>>>>/s @>>>>>
make_short($stats{'Innodb_buffer_pool_reads'}), t($stats{'Innodb_buffer_pool_reads'}), perc($stats{'Innodb_buffer_pool_reads'}, $stats{'Innodb_buffer_pool_read_requests'})
Ahead Rnd @>>>>>>>> @>>>>>/s
$stats{'Innodb_buffer_pool_read_ahead_rnd'}, t($stats{'Innodb_buffer_pool_read_ahead_rnd'})
Ahead Sql @>>>>>>>> @>>>>>/s
$stats{'Innodb_buffer_pool_read_ahead_seq'}, t($stats{'Innodb_buffer_pool_read_ahead_seq'})
Writes @>>>>>>>> @>>>>>/s
make_short($stats{'Innodb_buffer_pool_write_requests'}), t($stats{'Innodb_buffer_pool_write_requests'})
Flushes @>>>>>>>> @>>>>>/s
make_short($stats{'Innodb_buffer_pool_pages_flushed'}), t($stats{'Innodb_buffer_pool_pages_flushed'})
Wait Free @>>>>>>>> @>>>>>/s
$stats{'Innodb_buffer_pool_wait_free'}, t($stats{'Innodb_buffer_pool_wait_free'})
.
format IB_LOCK =
__ InnoDB Lock _________________________________________________________
Waits @>>>>>>>> @>>>>>/s
$stats{'Innodb_row_lock_waits'}, t($stats{'Innodb_row_lock_waits'})
Current @>>>>>>>>
$stats{'Innodb_row_lock_current_waits'}
Time acquiring
Total @>>>>>>>> ms
$stats{'Innodb_row_lock_time'}
Average @>>>>>>>> ms
$stats{'Innodb_row_lock_time_avg'}
Max @>>>>>>>> ms
$stats{'Innodb_row_lock_time_max'}
.
format IB_DPR =
__ InnoDB Data, Pages, Rows ____________________________________________
Data
Reads @>>>>>>>> @>>>>>/s
make_short($stats{'Innodb_data_reads'}), t($stats{'Innodb_data_reads'})
Writes @>>>>>>>> @>>>>>/s
make_short($stats{'Innodb_data_writes'}), t($stats{'Innodb_data_writes'})
fsync @>>>>>>>> @>>>>>/s
make_short($stats{'Innodb_data_fsyncs'}), t($stats{'Innodb_data_fsyncs'})
Pending
Reads @>>>>>>>>
$stats{'Innodb_data_pending_reads'}, t($stats{'Innodb_data_pending_reads'})
Writes @>>>>>>>>
$stats{'Innodb_data_pending_writes'}, t($stats{'Innodb_data_pending_writes'})
fsync @>>>>>>>>
$stats{'Innodb_data_pending_fsyncs'}, t($stats{'Innodb_data_pending_fsyncs'})
Pages
Created @>>>>>>>> @>>>>>/s
make_short($stats{'Innodb_pages_created'}), t($stats{'Innodb_pages_created'})
Read @>>>>>>>> @>>>>>/s
make_short($stats{'Innodb_pages_read'}), t($stats{'Innodb_pages_read'})
Written @>>>>>>>> @>>>>>/s
make_short($stats{'Innodb_pages_written'}), t($stats{'Innodb_pages_written'})
Rows
Deleted @>>>>>>>> @>>>>>/s
make_short($stats{'Innodb_rows_deleted'}), t($stats{'Innodb_rows_deleted'})
Inserted @>>>>>>>> @>>>>>/s
make_short($stats{'Innodb_rows_inserted'}), t($stats{'Innodb_rows_inserted'})
Read @>>>>>>>> @>>>>>/s
make_short($stats{'Innodb_rows_read'}), t($stats{'Innodb_rows_read'})
Updated @>>>>>>>> @>>>>>/s
make_short($stats{'Innodb_rows_updated'}), t($stats{'Innodb_rows_updated'})
.
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