- zfs_arc
Statistics for ZFS' “Adaptive Replacement Cache” (ARC).
- * Output can be written or send to various destinations by the following
+ * Output can be written or sent to various destinations by the following
plugins:
- csv
network plugins, makes sure your resources are used efficiently. Also,
since collectd is programmed multithreaded it benefits from hyperthreading
and multicore processors and makes sure that the daemon isn't idle if only
- one plugins waits for an IO-operation to complete.
+ one plugin waits for an IO-operation to complete.
* Once set up, hardly any maintenance is necessary. Setup is kept as easy
as possible and the default values should be okay for most users.
Unsurprisingly used by the `mysql' plugin.
<http://dev.mysql.com/>
- * libnatapp (optional)
+ * libnetapp (optional)
Required for the “netapp” plugin.
This library is part of the “Manage ONTAP SDK” published by NetApp.
AM_CONDITIONAL(BUILD_WITH_LIBSOCKET, test "x$socket_needs_socket" = "xyes")
nanosleep_needs_rt="no"
-AC_CHECK_FUNCS(nanosleep, [], AC_CHECK_LIB(rt, nanosleep, [nanosleep_needs_rt="yes"], AC_MSG_ERROR(cannot find nanosleep)))
+nanosleep_needs_posix4="no"
+AC_CHECK_FUNCS(nanosleep,
+ [],
+ AC_CHECK_LIB(rt, nanosleep,
+ [nanosleep_needs_rt="yes"],
+ AC_CHECK_LIB(posix4, nanosleep,
+ [nanosleep_needs_posix4="yes"],
+ AC_MSG_ERROR(cannot find nanosleep))))
AM_CONDITIONAL(BUILD_WITH_LIBRT, test "x$nanosleep_needs_rt" = "xyes")
+AM_CONDITIONAL(BUILD_WITH_LIBPOSIX4, test "x$nanosleep_needs_posix4" = "xyes")
AC_CHECK_FUNCS(sysctl, [have_sysctl="yes"], [have_sysctl="no"])
AC_CHECK_FUNCS(sysctlbyname, [have_sysctlbyname="yes"], [have_sysctlbyname="no"])
if BUILD_WITH_LIBRT
collectd_LDADD += -lrt
endif
+if BUILD_WITH_LIBPOSIX4
+collectd_LDADD += -lposix4
+endif
if BUILD_WITH_LIBSOCKET
collectd_LDADD += -lsocket
endif
# ...
<Plugin perl>
IncludeDir "/path/to/perl/plugins"
- BaseName "Collectd::Plugin"
+ BaseName "Collectd::Plugins"
EnableDebugger ""
LoadPlugin "FooBar"
=item B<BaseName> I<Name>
Prepends I<Name>B<::> to all plugin names loaded after this option. This is
-provided for convenience to keep plugin names short.
+provided for convenience to keep plugin names short. All Perl-based plugins
+provided with the I<collectd> distributions reside in the C<Collectd::Plugins>
+namespace.
=item E<lt>B<Plugin> I<Name>E<gt> block
=item
-Please feel free to send in new plugins to collectd's mailinglist at
+Please feel free to send in new plugins to collectd's mailing list at
E<lt>collectdE<nbsp>atE<nbsp>verplant.orgE<gt> for review and, possibly,
inclusion in the main distribution. In the latter case, we will take care of
keeping the plugin up to date and adapting it to new versions of collectd.
#<Plugin perl>
# IncludeDir "/my/include/path"
-# BaseName "Collectd::Plugin"
+# BaseName "Collectd::Plugins"
# EnableDebugger ""
# LoadPlugin Monitorus
# LoadPlugin OpenVZ
cypher = network_get_aes256_cypher (se, pea.iv, sizeof (pea.iv),
pea.username);
if (cypher == NULL)
+ {
+ sfree (pea.username);
return (-1);
+ }
payload_len = part_size - (PART_ENCRYPTION_AES256_SIZE + username_len);
assert (payload_len > 0);
/* in = */ NULL, /* in len = */ 0);
if (err != 0)
{
+ sfree (pea.username);
ERROR ("network plugin: gcry_cipher_decrypt returned: %s",
gcry_strerror (err));
return (-1);
buffer + buffer_offset, payload_len);
if (memcmp (hash, pea.hash, sizeof (hash)) != 0)
{
+ sfree (pea.username);
ERROR ("network plugin: Decryption failed: Checksum mismatch.");
return (-1);
}
*ret_buffer = buffer + part_size;
*ret_buffer_len = buffer_len - part_size;
+ sfree (pea.username);
+
return (0);
} /* }}} int parse_part_encr_aes256 */
/* #endif HAVE_LIBGCRYPT */
if (setsockopt (se->data.client.fd, IPPROTO_IP, optname,
&network_config_ttl,
- sizeof (network_config_ttl)) == -1)
+ sizeof (network_config_ttl)) != 0)
{
char errbuf[1024];
ERROR ("setsockopt: %s",
if (setsockopt (se->data.client.fd, IPPROTO_IPV6, optname,
&network_config_ttl,
- sizeof (network_config_ttl)) == -1)
+ sizeof (network_config_ttl)) != 0)
{
char errbuf[1024];
ERROR ("setsockopt: %s",
sfree (queue_entry);
} /* while (42) */
- pthread_mutex_lock (&cache_lock);
- c_avl_destroy (cache);
- cache = NULL;
- pthread_mutex_unlock (&cache_lock);
-
pthread_exit ((void *) 0);
return ((void *) 0);
} /* void *rrd_queue_thread */
return (0);
} /* int rrd_cache_insert */
+static int rrd_cache_destroy (void) /* {{{ */
+{
+ void *key = NULL;
+ void *value = NULL;
+
+ int non_empty = 0;
+
+ pthread_mutex_lock (&cache_lock);
+
+ if (cache == NULL)
+ {
+ pthread_mutex_unlock (&cache_lock);
+ return (0);
+ }
+
+ while (c_avl_pick (cache, &key, &value) == 0)
+ {
+ rrd_cache_t *rc;
+ int i;
+
+ sfree (key);
+ key = NULL;
+
+ rc = value;
+ value = NULL;
+
+ if (rc->values_num > 0)
+ non_empty++;
+
+ for (i = 0; i < rc->values_num; i++)
+ sfree (rc->values[i]);
+ sfree (rc->values);
+ sfree (rc);
+ }
+
+ c_avl_destroy (cache);
+ cache = NULL;
+
+ if (non_empty > 0)
+ {
+ INFO ("rrdtool plugin: %i cache %s had values when destroying the cache.",
+ non_empty, (non_empty == 1) ? "entry" : "entries");
+ }
+ else
+ {
+ DEBUG ("rrdtool plugin: No values have been lost "
+ "when destroying the cache.");
+ }
+
+ pthread_mutex_unlock (&cache_lock);
+ return (0);
+} /* }}} int rrd_cache_destroy */
+
static int rrd_compare_numeric (const void *a_ptr, const void *b_ptr)
{
int a = *((int *) a_ptr);
char values[512];
int status;
+ if (do_shutdown)
+ return (0);
+
if (0 != strcmp (ds->type, vl->type)) {
ERROR ("rrdtool plugin: DS type does not match value list type");
return -1;
DEBUG ("rrdtool plugin: queue_thread exited.");
}
- /* TODO: Maybe it'd be a good idea to free the cache here.. */
+ rrd_cache_destroy ();
return (0);
} /* int rrd_shutdown */
char temp[DATA_MAX_NAME_LEN];
if (instance_list_ptr == NULL)
- ssnprintf (temp, sizeof (temp), "%u", (uint32_t) subid);
+ ssnprintf (temp, sizeof (temp), "%"PRIu32, (uint32_t) subid);
else
sstrncpy (temp, instance_list_ptr->instance, sizeof (temp));