# error "No applicable input method."
#endif
+#if HAVE_LIBUDEV
+#include <libudev.h>
+
+static char *conf_udev_name_attr = NULL;
+static struct udev *handle_udev;
+#endif
+
static const char *config_keys[] =
{
"Disk",
"UseBSDName",
- "IgnoreSelected"
+ "IgnoreSelected",
+ "UdevNameAttr"
};
static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
"on Mach / Mac OS X and will be ignored.");
#endif
}
+ else if (strcasecmp ("UdevNameAttr", key) == 0)
+ {
+#if HAVE_LIBUDEV
+ if (conf_udev_name_attr != NULL)
+ {
+ free (conf_udev_name_attr);
+ conf_udev_name_attr = NULL;
+ }
+ if ((conf_udev_name_attr = strdup (value)) == NULL)
+ return (1);
+#else
+ WARNING ("disk plugin: The \"UdevNameAttr\" option is only supported "
+ "if collectd is built with libudev support");
+#endif
+ }
else
{
return (-1);
} /* void disk_submit */
#if KERNEL_LINUX
+static void submit_in_progress (char const *disk_name, gauge_t in_progress)
+{
+ value_t v;
+ value_list_t vl = VALUE_LIST_INIT;
+
+ if (ignorelist_match (ignorelist, disk_name) != 0)
+ return;
+
+ v.gauge = in_progress;
+
+ vl.values = &v;
+ vl.values_len = 1;
+ sstrncpy (vl.host, hostname_g, sizeof (vl.host));
+ sstrncpy (vl.plugin, "disk", sizeof (vl.plugin));
+ sstrncpy (vl.plugin_instance, disk_name, sizeof (vl.plugin_instance));
+ sstrncpy (vl.type, "pending_operations", sizeof (vl.type));
+
+ plugin_dispatch_values (&vl);
+}
+
+static void submit_io_time (char const *plugin_instance, derive_t io_time, derive_t weighted_time)
+{
+ value_t values[2];
+ value_list_t vl = VALUE_LIST_INIT;
+
+ if (ignorelist_match (ignorelist, plugin_instance) != 0)
+ return;
+
+ values[0].derive = io_time;
+ values[1].derive = weighted_time;
+
+ vl.values = values;
+ vl.values_len = 2;
+ sstrncpy (vl.host, hostname_g, sizeof (vl.host));
+ sstrncpy (vl.plugin, "disk", sizeof (vl.plugin));
+ sstrncpy (vl.plugin_instance, plugin_instance, sizeof (vl.plugin_instance));
+ sstrncpy (vl.type, "disk_io_time", sizeof (vl.type));
+
+ plugin_dispatch_values (&vl);
+}
+
+
static counter_t disk_calc_time_incr (counter_t delta_time, counter_t delta_ops)
{
double interval = CDTIME_T_TO_DOUBLE (plugin_get_interval ());
}
#endif
+#if HAVE_LIBUDEV
+/**
+ * Attempt to provide an rename disk instance from an assigned udev attribute.
+ *
+ * On success, it returns a strduped char* to the desired attribute value.
+ * Otherwise it returns NULL.
+ */
+
+static char *disk_udev_attr_name (struct udev *udev, char *disk_name, const char *attr)
+{
+ struct udev_device *dev;
+ const char *prop;
+ char *output = NULL;
+
+ dev = udev_device_new_from_subsystem_sysname (udev, "block", disk_name);
+ if (dev != NULL)
+ {
+ prop = udev_device_get_property_value (dev, attr);
+ if (prop) {
+ output = strdup (prop);
+ DEBUG ("disk plugin: renaming %s => %s", disk_name, output);
+ }
+ udev_device_unref (dev);
+ }
+ return output;
+}
+#endif
+
#if HAVE_IOKIT_IOKITLIB_H
static signed long long dict_get_value (CFDictionaryRef dict, const char *key)
{
derive_t write_ops = 0;
derive_t write_merged = 0;
derive_t write_time = 0;
+ gauge_t in_progress = NAN;
+ derive_t io_time = 0;
+ derive_t weighted_time = 0;
int is_disk = 0;
diskstats_t *ds, *pre_ds;
fieldshift = 1;
}
+#if HAVE_LIBUDEV
+ handle_udev = udev_new();
+#endif
+
while (fgets (buffer, sizeof (buffer), fh) != NULL)
{
char *disk_name;
+ char *output_name;
+ char *alt_name;
numfields = strsplit (buffer, fields, 32);
read_time = atoll (fields[6 + fieldshift]);
write_merged = atoll (fields[8 + fieldshift]);
write_time = atoll (fields[10+ fieldshift]);
+
+ in_progress = atof (fields[11 + fieldshift]);
+
+ io_time = atof (fields[12 + fieldshift]);
+ weighted_time = atof (fields[13 + fieldshift]);
}
}
else
continue;
}
+ output_name = disk_name;
+
+#if HAVE_LIBUDEV
+ alt_name = disk_udev_attr_name (handle_udev, disk_name,
+ conf_udev_name_attr);
+#else
+ alt_name = NULL;
+#endif
+ if (alt_name != NULL)
+ output_name = alt_name;
+
if ((ds->read_bytes != 0) || (ds->write_bytes != 0))
- disk_submit (disk_name, "disk_octets",
+ disk_submit (output_name, "disk_octets",
ds->read_bytes, ds->write_bytes);
if ((ds->read_ops != 0) || (ds->write_ops != 0))
- disk_submit (disk_name, "disk_ops",
+ disk_submit (output_name, "disk_ops",
read_ops, write_ops);
if ((ds->avg_read_time != 0) || (ds->avg_write_time != 0))
- disk_submit (disk_name, "disk_time",
+ disk_submit (output_name, "disk_time",
ds->avg_read_time, ds->avg_write_time);
if (is_disk)
{
- disk_submit (disk_name, "disk_merged",
+ disk_submit (output_name, "disk_merged",
read_merged, write_merged);
+ submit_in_progress (output_name, in_progress);
+ submit_io_time (output_name, io_time, weighted_time);
} /* if (is_disk) */
+
+ /* release udev-based alternate name, if allocated */
+ free(alt_name);
} /* while (fgets (buffer, sizeof (buffer), fh) != NULL) */
+#if HAVE_LIBUDEV
+ udev_unref(handle_udev);
+#endif
+
fclose (fh);
/* #endif defined(KERNEL_LINUX) */