Add IPv4 UDP charts to FreeBSD plugin
Vladimir Kobal committed
Jan 3, 2017 at 00:02 UTC
43e301c66489b9210ce4ed0c98aa7b36e70d9d83
1 file changed
+64
-1
src/freebsd_sysctl.c
+64
-1
@@ -20,6 +20,10 @@
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#include <ifaddrs.h>
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// NEEDED BY do_tcp...
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#include <netinet/tcp_var.h>
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+// NEEDED BY do_udp...
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+#include <netinet/ip_var.h>
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+#include <netinet/udp.h>
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+#include <netinet/udp_var.h>
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// NEEDED BY: do_disk_io
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#define RRD_TYPE_DISK "disk"
@@ -38,7 +42,8 @@ int do_freebsd_sysctl(int update_every, usec_t dt) {
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do_pgfaults = -1, do_committed = -1, do_ipc_semaphores = -1, do_ipc_shared_mem = -1, do_ipc_msg_queues = -1,
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do_dev_intr = -1, do_soft_intr = -1, do_netisr = -1, do_netisr_per_core = -1, do_bandwidth = -1,
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do_tcp_sockets = -1, do_tcp_packets = -1, do_tcp_errors = -1, do_tcp_handshake = -1,
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- do_ecn = -1, do_tcpext_syscookies = -1, do_tcpext_ofo = -1, do_tcpext_connaborts = -1;
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+ do_ecn = -1, do_tcpext_syscookies = -1, do_tcpext_ofo = -1, do_tcpext_connaborts = -1,
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+ do_udp_packets = -1, do_udp_errors = -1;
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if (unlikely(do_cpu == -1)) {
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do_cpu = config_get_boolean("plugin:freebsd:sysctl", "cpu utilization", 1);
@@ -71,6 +76,8 @@ int do_freebsd_sysctl(int update_every, usec_t dt) {
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do_tcpext_syscookies = config_get_boolean_ondemand("plugin:freebsd:sysctl", "TCP SYN cookies", CONFIG_ONDEMAND_ONDEMAND);
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do_tcpext_ofo = config_get_boolean_ondemand("plugin:freebsd:sysctl", "TCP out-of-order queue", CONFIG_ONDEMAND_ONDEMAND);
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do_tcpext_connaborts = config_get_boolean_ondemand("plugin:freebsd:sysctl", "TCP connection aborts", CONFIG_ONDEMAND_ONDEMAND);
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+ do_udp_packets = config_get_boolean("plugin:freebsd:sysctl", "ipv4 UDP packets", 1);
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+ do_udp_errors = config_get_boolean("plugin:freebsd:sysctl", "ipv4 UDP errors", 1);
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}
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RRDSET *st;
@@ -195,6 +202,9 @@ int do_freebsd_sysctl(int update_every, usec_t dt) {
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struct tcpstat tcpstat;
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uint64_t tcps_states[TCP_NSTATES];
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+ // NEEDED BY: do_udp...
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+ struct udpstat udpstat;
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+
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// --------------------------------------------------------------------
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if (last_loadavg_usec <= dt) {
@@ -1430,5 +1440,58 @@ int do_freebsd_sysctl(int update_every, usec_t dt) {
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}
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}
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+ // --------------------------------------------------------------------
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+
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+ // see http://net-snmp.sourceforge.net/docs/mibs/udp.html
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+ if (likely(do_udp_packets || do_udp_errors)) {
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+ if (unlikely(GETSYSCTL("net.inet.udp.stats", udpstat))) {
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+ do_udp_packets = 0;
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+ error("DISABLED: ipv4.udppackets");
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+ do_udp_errors = 0;
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+ error("DISABLED: ipv4.udperrors");
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+ } else {
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+ if (likely(do_udp_packets)) {
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+ st = rrdset_find("ipv4.udppackets");
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+ if (unlikely(!st)) {
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+ st = rrdset_create("ipv4", "udppackets", NULL, "udp", NULL, "IPv4 UDP Packets",
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+ "packets/s", 2601, update_every, RRDSET_TYPE_LINE);
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+
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+ rrddim_add(st, "InDatagrams", "received", 1, 1, RRDDIM_INCREMENTAL);
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+ rrddim_add(st, "OutDatagrams", "sent", -1, 1, RRDDIM_INCREMENTAL);
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+ } else
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+ rrdset_next(st);
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+
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+ rrddim_set(st, "InDatagrams", udpstat.udps_ipackets);
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+ rrddim_set(st, "OutDatagrams", udpstat.udps_opackets);
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+ rrdset_done(st);
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+ }
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+
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+ // --------------------------------------------------------------------
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+
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+ if (likely(do_udp_errors)) {
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+ st = rrdset_find("ipv4.udperrors");
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+ if (unlikely(!st)) {
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+ st = rrdset_create("ipv4", "udperrors", NULL, "udp", NULL, "IPv4 UDP Errors", "events/s",
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+ 2701, update_every, RRDSET_TYPE_LINE);
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+ st->isdetail = 1;
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+
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+ rrddim_add(st, "RcvbufErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
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+ rrddim_add(st, "InErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
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+ rrddim_add(st, "NoPorts", NULL, 1, 1, RRDDIM_INCREMENTAL);
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+ rrddim_add(st, "InCsumErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
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+ rrddim_add(st, "IgnoredMulti", NULL, 1, 1, RRDDIM_INCREMENTAL);
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+ } else
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+ rrdset_next(st);
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+
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+ rrddim_set(st, "InErrors", udpstat.udps_hdrops + udpstat.udps_badlen);
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+ rrddim_set(st, "NoPorts", udpstat.udps_noport);
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+ rrddim_set(st, "RcvbufErrors", udpstat.udps_fullsock);
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+ rrddim_set(st, "InCsumErrors", udpstat.udps_badsum + udpstat.udps_nosum);
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+ rrddim_set(st, "IgnoredMulti", udpstat.udps_filtermcast);
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+ rrdset_done(st);
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+ }
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+ }
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+ }
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+
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return 0;
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}