From 9754d84492908f5e02cc16c45955a433028ee66b Mon Sep 17 00:00:00 2001
From: Florian Forster <octo@collectd.org>
Date: Wed, 12 Sep 2012 21:31:41 +0200
Subject: [PATCH] Revert "swap plugin: Add the "ReportBytes" option."

This reverts commit 25fd1667c186eb871a4b66f9866d6446e41f1bc2.
---
 src/collectd.conf.in  |  4 ----
 src/collectd.conf.pod | 17 -----------------
 src/swap.c            | 41 +++--------------------------------------
 3 files changed, 3 insertions(+), 59 deletions(-)

diff --git a/src/collectd.conf.in b/src/collectd.conf.in
index e508be7b..21d0eb17 100644
--- a/src/collectd.conf.in
+++ b/src/collectd.conf.in
@@ -818,10 +818,6 @@ FQDNLookup   true
 #   </Host>
 #</Plugin>
 
-#<Plugin "swap">
-#	ReportBytes true
-#</Plugin>
-
 #<Plugin "table">
 #	<Table "/proc/slabinfo">
 #		Instance "slabinfo"
diff --git a/src/collectd.conf.pod b/src/collectd.conf.pod
index f359e9a0..75f79429 100644
--- a/src/collectd.conf.pod
+++ b/src/collectd.conf.pod
@@ -4031,23 +4031,6 @@ Since the configuration of the C<snmp plugin> is a little more complicated than
 other plugins, its documentation has been moved to an own manpage,
 L<collectd-snmp(5)>. Please see there for details.
 
-=head2 Plugin C<swap>
-
-The C<swap plugin> reports the number of bytes currently swapped out and the
-amount of swap space available. The precise metrics being exported depends on
-your operating system.
-
-Options:
-
-=over 4
-
-=item B<ReportBytes> B<false>|B<true>
-
-When enabled, the I<swap I/O> is reported in bytes. When disabled, the default,
-I<swap I/O> is reported in pages. This option is available under Linux only.
-
-=back
-
 =head2 Plugin C<syslog>
 
 =over 4
diff --git a/src/swap.c b/src/swap.c
index 1a152c90..46ba6652 100644
--- a/src/swap.c
+++ b/src/swap.c
@@ -1,6 +1,6 @@
 /**
  * collectd - src/swap.c
- * Copyright (C) 2005-2012  Florian octo Forster
+ * Copyright (C) 2005-2009  Florian octo Forster
  * Copyright (C) 2009       Stefan Völkel
  * Copyright (C) 2009       Manuel Sanmartin
  *
@@ -68,8 +68,7 @@
 #define MAX(x,y) ((x) > (y) ? (x) : (y))
 
 #if KERNEL_LINUX
-static derive_t pagesize;
-static _Bool report_bytes = 0;
+/* No global variables */
 /* #endif KERNEL_LINUX */
 
 #elif HAVE_LIBKSTAT
@@ -103,16 +102,10 @@ static perfstat_memory_total_t pmemory;
 # error "No applicable input method."
 #endif /* HAVE_LIBSTATGRAB */
 
-static const char *config_keys[] =
-{
-	"ReportBytes"
-};
-static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
-
 static int swap_init (void)
 {
 #if KERNEL_LINUX
-	pagesize = (derive_t) sysconf (_SC_PAGESIZE);
+	/* No init stuff */
 /* #endif KERNEL_LINUX */
 
 #elif HAVE_LIBKSTAT
@@ -291,12 +284,6 @@ static int swap_read (void)
 				sstrerror (errno, errbuf, sizeof (errbuf)));
 	}
 
-	if (report_bytes)
-	{
-		swap_in  *= pagesize;
-		swap_out *= pagesize;
-	}
-
 	swap_submit ("used",   1024 * swap_used,   DS_TYPE_GAUGE);
 	swap_submit ("free",   1024 * swap_free,   DS_TYPE_GAUGE);
 	swap_submit ("cached", 1024 * swap_cached, DS_TYPE_GAUGE);
@@ -503,30 +490,8 @@ static int swap_read (void)
 	return (0);
 } /* int swap_read */
 
-static int swap_config (const char *key, const char *value)
-{
-	if (strcasecmp ("ReportBytes", key) == 0)
-	{
-#if KERNEL_LINUX
-		report_bytes = IS_TRUE (value) ? 1 : 0;
-#else
-		WARNING ("swap plugin: The \"ReportBytes\" option is only "
-				"valid under Linux. The option is going to "
-				"be ignored.");
-#endif
-	}
-	else
-	{
-		return (-1);
-	}
-
-	return (0);
-} /* int swap_config */
-
 void module_register (void)
 {
-	plugin_register_config ("swap", swap_config,
-			config_keys, config_keys_num);
 	plugin_register_init ("swap", swap_init);
 	plugin_register_read ("swap", swap_read);
 } /* void module_register */
-- 
2.30.2