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limit and sort the config entries the same way as we sort values, based on values

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This commit is contained in:
Antoine Beaupré 2014-01-02 19:08:10 -05:00
parent 88ba6e86be
commit 02c5c4b6d6
1 changed files with 28 additions and 34 deletions
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44
plugins/mysql/mysql_connections_per_user
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@ -82,17 +82,11 @@ sub print_graph_data() {
$upper_limit = poll_variables($MYSQL_VARIABLES,"max_connections");
# Return the values to Munin
my $threads = get_thread_list();
my %counts = ();
my ($thread, $user, $count);
while (($thread, $user) = each %$threads) {
$counts{$user} = 0 unless defined($counts{$user});
$counts{$user}++;
}
my $counts = count_thread_users();
my %counts = %{$counts};
sub valsort {
return $$threads{$a} <=> $$threads{$b};
return $counts{$a} <=> $counts{$b};
}
my $i = 0;
foreach my $user (sort valsort keys(%counts)) {
@ -130,31 +124,31 @@ graph_info The number of current connexions per user.
graph_category mysql
graph_total Total
EOM
my $threads = get_thread_list();
my %seen = ();
my ($thread, $user);
while (($thread, $user) = each %$threads) {
# display user only once
if (defined($seen{$user})) {
next;
my $counts = count_thread_users();
my %counts = %{$counts};
my $stacked = 0;
sub valsort {
return $counts{$a} <=> $counts{$b};
}
else {
my $i = 0;
foreach my $user (sort valsort keys(%counts)) {
last if $i++ >= $numusers;
print <<EOM;
$user.label Connexions for user $user
$user.info Number of connexions used by user $user
EOM
print "$user.draw ";
# if we already printed an entry, make the next ones stacked
if (scalar %seen) {
if ($i > 1) {
print "STACK\n";
}
else {
print "AREA\n";
}
$seen{$user} = 1;
}
}
print <<EOM;
current.label In Use
current.draw LINE1
@ -167,20 +161,20 @@ limit.info The current value of the "max_connections" variable
EOM
}
sub get_thread_list {
my %threads = ();
sub count_thread_users {
my %counts = ();
my $command = 'mysql -N -B -e "SHOW PROCESSLIST;"';
open(SERVICE, "$command |")
or die("Could not execute '$command': $!");
while (<SERVICE>) {
my ($threadid, $user) = split "\t";
next unless ($threadid);
$threads{$threadid} = $user;
$counts{$user} = 0 unless defined($counts{$user});
$counts{$user}++;
}
return \%threads;
return \%counts;
}
sub test_service {
my $return = 1;
system ("$MYSQLADMIN --version >/dev/null 2>/dev/null");