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path: root/src/pmdas/linux/proc_net_rpc.c
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Diffstat (limited to 'src/pmdas/linux/proc_net_rpc.c')
-rw-r--r--src/pmdas/linux/proc_net_rpc.c188
1 files changed, 188 insertions, 0 deletions
diff --git a/src/pmdas/linux/proc_net_rpc.c b/src/pmdas/linux/proc_net_rpc.c
new file mode 100644
index 0000000..1b1a940
--- /dev/null
+++ b/src/pmdas/linux/proc_net_rpc.c
@@ -0,0 +1,188 @@
+/*
+ * Linux /proc/net/rpc metrics cluster
+ *
+ * Copyright (c) 2014 Red Hat.
+ * Copyright (c) 2000,2004 Silicon Graphics, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#include "pmapi.h"
+#include "pmda.h"
+#include "indom.h"
+#include "proc_net_rpc.h"
+
+int
+refresh_proc_net_rpc(proc_net_rpc_t *proc_net_rpc)
+{
+ char buf[4096];
+ FILE *fp;
+ char *p;
+ int i;
+
+ memset(proc_net_rpc, 0, sizeof(proc_net_rpc_t));
+
+ /*
+ * client stats
+ */
+ if ((fp = linux_statsfile("/proc/net/rpc/nfs", buf, sizeof(buf))) == NULL) {
+ proc_net_rpc->client.errcode = -oserror();
+ }
+ else {
+ proc_net_rpc->client.errcode = 0;
+ while (fgets(buf, sizeof(buf), fp) != NULL) {
+ if (strncmp(buf, "net", 3) == 0)
+ sscanf(buf, "net %u %u %u %u",
+ &proc_net_rpc->client.netcnt,
+ &proc_net_rpc->client.netudpcnt,
+ &proc_net_rpc->client.nettcpcnt,
+ &proc_net_rpc->client.nettcpconn);
+ else
+ if (strncmp(buf, "rpc", 3) == 0)
+ sscanf(buf, "rpc %u %u %u",
+ &proc_net_rpc->client.rpccnt,
+ &proc_net_rpc->client.rpcretrans,
+ &proc_net_rpc->client.rpcauthrefresh);
+ else
+ if (strncmp(buf, "proc2", 5) == 0) {
+ if ((p = strtok(buf, " ")) != NULL)
+ p = strtok(NULL, " ");
+ for (i=0; p && i < NR_RPC_COUNTERS; i++) {
+ if ((p = strtok(NULL, " ")) == NULL)
+ break;
+ proc_net_rpc->client.reqcounts[i] = strtoul(p, (char **)NULL, 10);
+ }
+ }
+ else
+ if (strncmp(buf, "proc3", 5) == 0) {
+ if ((p = strtok(buf, " ")) != NULL)
+ p = strtok(NULL, " ");
+ for (i=0; p && i < NR_RPC3_COUNTERS; i++) {
+ if ((p = strtok(NULL, " ")) == NULL)
+ break;
+ proc_net_rpc->client.reqcounts3[i] = strtoul(p, (char **)NULL, 10);
+ }
+ }
+ else
+ if (strncmp(buf, "proc4", 5) == 0) {
+ if ((p = strtok(buf, " ")) != NULL)
+ p = strtok(NULL, " ");
+ for (i=0; p && i < NR_RPC4_CLI_COUNTERS; i++) {
+ if ((p = strtok(NULL, " ")) == NULL)
+ break;
+ proc_net_rpc->client.reqcounts4[i] = strtoul(p, (char **)NULL, 10);
+ }
+ }
+ }
+
+ fclose(fp);
+ }
+
+ /*
+ * server stats
+ */
+ if ((fp = linux_statsfile("/proc/net/rpc/nfsd", buf, sizeof(buf))) == NULL) {
+ proc_net_rpc->server.errcode = -oserror();
+ }
+ else {
+ proc_net_rpc->server.errcode = 0;
+ while (fgets(buf, sizeof(buf), fp) != NULL) {
+ if (strncmp(buf, "rc", 2) == 0)
+ sscanf(buf, "rc %u %u %u %u %u %u %u %u %u",
+ &proc_net_rpc->server.rchits,
+ &proc_net_rpc->server.rcmisses,
+ &proc_net_rpc->server.rcnocache,
+ &proc_net_rpc->server.fh_cached,
+ &proc_net_rpc->server.fh_valid,
+ &proc_net_rpc->server.fh_fixup,
+ &proc_net_rpc->server.fh_lookup,
+ &proc_net_rpc->server.fh_stale,
+ &proc_net_rpc->server.fh_concurrent);
+ else
+ if (strncmp(buf, "fh", 2) == 0)
+ sscanf(buf, "fh %u %u %u %u %u",
+ &proc_net_rpc->server.fh_stale,
+ &proc_net_rpc->server.fh_lookup,
+ &proc_net_rpc->server.fh_anon,
+ &proc_net_rpc->server.fh_nocache_dir,
+ &proc_net_rpc->server.fh_nocache_nondir);
+ else
+ if (strncmp(buf, "io", 2) == 0)
+ sscanf(buf, "io %u %u",
+ &proc_net_rpc->server.io_read,
+ &proc_net_rpc->server.io_write);
+ else
+ if (strncmp(buf, "th", 2) == 0)
+ sscanf(buf, "th %u %u",
+ &proc_net_rpc->server.th_cnt,
+ &proc_net_rpc->server.th_fullcnt);
+ else
+ if (strncmp(buf, "net", 3) == 0)
+ sscanf(buf, "net %u %u %u %u",
+ &proc_net_rpc->server.netcnt,
+ &proc_net_rpc->server.netudpcnt,
+ &proc_net_rpc->server.nettcpcnt,
+ &proc_net_rpc->server.nettcpconn);
+ else
+ if (strncmp(buf, "rpc", 3) == 0)
+ sscanf(buf, "rpc %u %u %u",
+ &proc_net_rpc->server.rpccnt,
+ &proc_net_rpc->server.rpcerr, /* always the sum of the following three fields */
+ &proc_net_rpc->server.rpcbadfmt);
+ else
+ if (strncmp(buf, "proc2", 5) == 0) {
+ if ((p = strtok(buf, " ")) != NULL)
+ p = strtok(NULL, " ");
+ for (i=0; p && i < NR_RPC_COUNTERS; i++) {
+ if ((p = strtok(NULL, " ")) == NULL)
+ break;
+ proc_net_rpc->server.reqcounts[i] = strtoul(p, (char **)NULL, 10);
+ }
+ }
+ else
+ if (strncmp(buf, "proc3", 5) == 0) {
+ if ((p = strtok(buf, " ")) != NULL)
+ p = strtok(NULL, " ");
+ for (i=0; p && i < NR_RPC3_COUNTERS; i++) {
+ if ((p = strtok(NULL, " ")) == NULL)
+ break;
+ proc_net_rpc->server.reqcounts3[i] = strtoul(p, (char **)NULL, 10);
+ }
+ }
+ else
+ if (strncmp(buf, "proc4ops", 8) == 0) {
+ if ((p = strtok(buf, " ")) != NULL)
+ p = strtok(NULL, " ");
+
+ /* Inst 0 is NULL count (below) */
+ for (i=1; p && i < NR_RPC4_SVR_COUNTERS; i++) {
+ if ((p = strtok(NULL, " ")) == NULL)
+ break;
+ proc_net_rpc->server.reqcounts4[i] = strtoul(p, (char **)NULL, 10);
+ }
+ }
+ else
+ if (strncmp(buf, "proc4", 5) == 0) {
+ if ((strtok(buf, " ")) != NULL &&
+ (strtok(NULL, " ")) != NULL &&
+ (p = strtok(NULL, " ")) != NULL) { /* 3rd token is NULL count */
+ proc_net_rpc->server.reqcounts4[0] = strtoul(p, (char **)NULL, 10);
+ }
+ }
+ }
+
+ fclose(fp);
+ }
+
+ if (proc_net_rpc->client.errcode == 0 && proc_net_rpc->server.errcode == 0)
+ return 0;
+ return -1;
+}
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