write_graphite plugin: Adding UDP support to docs, README, etc.

[collectd.git] / src / df.c

diff --git a/src/df.c b/src/df.c
index 03b02ceaf06e9d585c57541bd9feed44f58fead3..5ff3f59be8cbcb401dd288c17ec4b89777251b43 100644 (file)
--- a/src/df.c
+++ b/src/df.c
@@ -221,7 +221,7 @@ static int df_read (void)
                if (!statbuf.f_blocks)
                        continue;
 
-               if (by_device) 
+               if (by_device)
                {
                        /* eg, /dev/hda1  -- strip off the "/dev/" */
                        if (strncmp (mnt_ptr->spec_device, "/dev/", strlen ("/dev/")) == 0)
@@ -229,13 +229,13 @@ static int df_read (void)
                        else
                                sstrncpy (disk_name, mnt_ptr->spec_device, sizeof (disk_name));
 
-                       if (strlen(disk_name) < 1) 
+                       if (strlen(disk_name) < 1)
                        {
                                DEBUG("df: no device name name for mountpoint %s, skipping", mnt_ptr->dir);
                                continue;
                        }
-               } 
-               else 
+               }
+               else
                {
                        if (strcmp (mnt_ptr->dir, "/") == 0)
                        {
@@ -285,19 +285,22 @@ static int df_read (void)
                blk_reserved = (uint64_t) (statbuf.f_bfree - statbuf.f_bavail);
                blk_used     = (uint64_t) (statbuf.f_blocks - statbuf.f_bfree);
 
-               if (report_percentage)
+               if (report_percentage && (statbuf.f_blocks > 0))
                {
-                       if (statbuf.f_files > 0) 
-                               {
-                               df_submit_one (disk_name, "df_complex_pct", "free", 
-                                       (gauge_t) ((float_t)(blk_free) / statbuf.f_blocks * 100));
-                               df_submit_one (disk_name, "df_complex_pct", "reserved", 
-                                       (gauge_t) ((float_t)(blk_reserved) / statbuf.f_blocks * 100));
-                               df_submit_one (disk_name, "df_complex_pct", "used", 
-                                       (gauge_t) ((float_t)(blk_used) / statbuf.f_blocks * 100));
-                               }
+                       uint64_t blk_total = (uint64_t) statbuf.f_blocks;
+                       char plugin_instance[DATA_MAX_NAME_LEN];
+
+                       ssnprintf (plugin_instance, sizeof (plugin_instance),
+                                       "%s-bytes", disk_name);
+
+                       df_submit_one (plugin_instance, "percent", "free",
+                                       100.0 * ((gauge_t) blk_free) / ((gauge_t) blk_total));
+                       df_submit_one (plugin_instance, "percent", "reserved",
+                                       100.0 * ((gauge_t) blk_reserved) / ((gauge_t) blk_total));
+                       df_submit_one (plugin_instance, "percent", "used",
+                                       100.0 * ((gauge_t) blk_used) / ((gauge_t) blk_total));
                }
-               else
+               else if (!report_percentage)
                {
                        df_submit_one (disk_name, "df_complex", "free",
                                (gauge_t) (blk_free * blocksize));
@@ -306,7 +309,7 @@ static int df_read (void)
                        df_submit_one (disk_name, "df_complex", "used",
                                (gauge_t) (blk_used * blocksize));
                }
-               
+
                /* inode handling */
                if (report_inodes)
                {
@@ -319,24 +322,27 @@ static int df_read (void)
                                statbuf.f_ffree = statbuf.f_favail;
                        if (statbuf.f_files < statbuf.f_ffree)
                                statbuf.f_files = statbuf.f_ffree;
-                               
+
                        inode_free = (uint64_t) statbuf.f_favail;
                        inode_reserved = (uint64_t) (statbuf.f_ffree - statbuf.f_favail);
                        inode_used = (uint64_t) (statbuf.f_files - statbuf.f_ffree);
 
-                       if (report_percentage)
+                       if (report_percentage && (statbuf.f_files > 0))
                        {
-                               if (statbuf.f_files > 0) 
-                               {
-                                       df_submit_one (disk_name, "df_inodes_pct", "free", 
-                                               (gauge_t) ((float_t)(inode_free) / statbuf.f_files * 100));
-                                       df_submit_one (disk_name, "df_inodes_pct", "reserved", 
-                                               (gauge_t) ((float_t)(inode_reserved) / statbuf.f_files * 100));
-                                       df_submit_one (disk_name, "df_inodes_pct", "used", 
-                                               (gauge_t) ((float_t)(inode_used) / statbuf.f_files * 100));
-                               }
+                               uint64_t inode_total = (uint64_t) statbuf.f_files;
+                               char plugin_instance[DATA_MAX_NAME_LEN];
+
+                               ssnprintf (plugin_instance, sizeof (plugin_instance),
+                                               "%s-inodes", disk_name);
+
+                               df_submit_one (plugin_instance, "percent", "free",
+                                               100.0 * ((gauge_t) inode_free) / ((gauge_t) inode_total));
+                               df_submit_one (plugin_instance, "percent", "reserved",
+                                               100.0 * ((gauge_t) inode_reserved) / ((gauge_t) inode_total));
+                               df_submit_one (plugin_instance, "percent", "used",
+                                               100.0 * ((gauge_t) inode_used) / ((gauge_t) inode_total));
                        }
-                       else 
+                       else if (!report_percentage)
                        {
                                df_submit_one (disk_name, "df_inodes", "free",
                                                (gauge_t) inode_free);