patch-2.1.32 linux/fs/nfsd/stats.c

• Lines: 93
• Date: Fri Apr 4 11:06:02 1997
• Orig file: v2.1.31/linux/fs/nfsd/stats.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.31/linux/fs/nfsd/stats.c linux/fs/nfsd/stats.c
@@ -0,0 +1,92 @@
+/*
+ * nfsstat.c	procfs-based user access to knfsd statistics
+ *
+ * /proc/net/nfssrv
+ * Format:
+ *	net <packets> <udp> <tcp> <tcpconn>
+ *	rpc <packets> <badfmt> <badclnt>
+ *	auth <flavor> <creds> <upcalls> <badauth> <badverf> <authrej>
+ *	fh  <hits> <misses> <avg_util> <stale> <cksum> <badcksum>
+ *	rc <hits> <misses> <nocache>
+ *	proto <version> <nrprocs>
+ *	<calls> <time_msec>
+ *	... (for each procedure and protocol version)
+ *
+ * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/proc_fs.h>
+#include <linux/stat.h>
+
+#include <linux/sunrpc/svc.h>
+#include <linux/sunrpc/stats.h>
+#include <linux/nfsd/nfsd.h>
+#include <linux/nfsd/stats.h>
+
+struct nfsd_stats	nfsdstats;
+
+static int		nfsd_get_info(char *, char **, off_t, int, int);
+
+#ifndef PROC_NET_NFSSRV
+# define PROC_NET_NFSSRV	0
+#endif
+
+static struct proc_dir_entry proc_nfssrv = {
+	PROC_NET_NFSSRV, 4, "nfsd",
+	S_IFREG | S_IRUGO, 1, 0, 0,
+	6, &proc_net_inode_operations,
+	nfsd_get_info
+};
+
+struct svc_stat		nfsd_svcstats = {
+	NULL, &proc_nfssrv, &nfsd_program,
+};
+
+static int
+nfsd_get_info(char *buffer, char **start, off_t offset, int length, int dummy)
+{
+	int			len;
+
+	len = sprintf(buffer,
+		"rc %d %d %d\n",
+			nfsdstats.rchits,
+			nfsdstats.rcmisses,
+			nfsdstats.rcnocache);
+
+	/*
+	 * Append generic nfsd RPC statistics
+	 */
+	if (offset >= len) {
+		offset -= len;
+		len = svcstat_get_info(&nfsd_svcstats, buffer, start,
+					offset, length);
+#if 0
+	} else if (len < length) {
+		len = svcstat_get_info(&nfsd_svcstats, buffer + len, start,
+					offset - len, length - len);
+#endif
+	}
+
+	if (offset >= len) {
+		*start = buffer;
+		return 0;
+	}
+	*start = buffer + offset;
+	if ((len -= offset) > length)
+		len = length;
+	return len;
+}
+
+void
+nfsd_stat_init(void)
+{
+	svcstat_register(&nfsd_svcstats);
+}
+
+void
+nfsd_stat_shutdown(void)
+{
+	svcstat_unregister(&nfsd_svcstats);
+}