Merge branch 'collectd-4.10' into collectd-5.0

[collectd.git] / src / collectd-perl.pod

diff --git a/src/collectd-perl.pod b/src/collectd-perl.pod
index 5637053..d5401dd 100644 (file)
--- a/src/collectd-perl.pod
+++ b/src/collectd-perl.pod
@@ -4,7 +4,9 @@ collectd-perl - Documentation of collectd's C<perl plugin>
 
 =head1 SYNOPSIS
 
-  LoadPlugin perl
+  <LoadPlugin perl>
+    Globals true
+  </LoadPlugin>
   # ...
   <Plugin perl>
     IncludeDir "/path/to/perl/plugins"
@@ -25,6 +27,12 @@ for collectd in Perl. This is a lot more efficient than executing a
 Perl-script every time you want to read a value with the C<exec plugin> (see
 L<collectd-exec(5)>) and provides a lot more functionality, too.
 
+When loading the C<perl plugin>, the B<Globals> option should be enabled.
+Else, the perl plugin will fail to load any Perl modules implemented in C,
+which includes, amongst many others, the B<threads> module used by the plugin
+itself. See the documentation of the B<Globals> option in L<collectd.conf(5)>
+for details.
+
 =head1 CONFIGURATION
 
 =over 4
@@ -368,11 +376,6 @@ is found (and the number of values matches the number of data-sources) then the
 type, data-set and value-list is passed to all write-callbacks that are
 registered with the daemon.
 
-B<Note>: Prior to version 4.4 of collectd, the data-set type used to be passed
-as the first argument to B<plugin_register>. This syntax is still supported
-for backwards compatibility but has been deprecated and will be removed in
-some future version of collectd.
-
 =item B<plugin_write> ([B<plugins> => I<...>][, B<datasets> => I<...>],
 B<valuelists> => I<...>)
 
@@ -397,23 +400,6 @@ argument has been specified, only named plugins will be flushed. The value of
 the B<plugins> and B<identifiers> arguments may either be a string or a
 reference to an array of strings.
 
-=item B<plugin_flush_one> (I<timeout>, I<plugin>)
-
-This is identical to using "plugin_flush (timeout =E<gt> I<timeout>, plugins
-=E<gt> I<plugin>".
-
-B<Note>: Starting with version 4.5 of collectd, B<plugin_flush_one> has been
-deprecated and will be removed in some future version of collectd. Use
-B<plugin_flush> instead.
-
-=item B<plugin_flush_all> (I<timeout>)
-
-This is identical to using "plugin_flush (timeout =E<gt> I<timeout>)".
-
-B<Note>: Starting with version 4.5 of collectd, B<plugin_flush_all> has been
-deprecated and will be removed in some future version of collectd. Use
-B<plugin_flush> instead.
-
 =item B<plugin_dispatch_notification> (I<notification>)
 
 Submits a I<notification> to the daemon which will then pass it to all
@@ -670,9 +656,9 @@ A very simple read function might look like:
 
   sub foobar_read
   {
-    my $vl = { plugin => 'foobar' };
+    my $vl = { plugin => 'foobar', type => 'gauge' };
     $vl->{'values'} = [ rand(42) ];
-    plugin_dispatch_values ('gauge', $vl);
+    plugin_dispatch_values ($vl);
     return 1;
   }