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19f0571590
freebsd-skq/usr.bin/nfsstat/nfsstat.c
rmacklem 19f0571590 Add a "-m" option to nfsstat, which dumps out the 
actual options used by all NFS mounts. Works for
the new/default NFS client only.

Reviewed by:	alfred
MFC after:	2 weeks
2012-12-02 01:20:43 +00:00

1051 lines
32 KiB
C
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/*
* Copyright (c) 1983, 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Rick Macklem at The University of Guelph.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
static const char copyright[] =
"@(#) Copyright (c) 1983, 1989, 1993\n\
The Regents of the University of California. All rights reserved.\n";
#endif /* not lint */
#ifndef lint
#if 0
static char sccsid[] = "@(#)nfsstat.c 8.2 (Berkeley) 3/31/95";
#endif
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/param.h>
#include <sys/module.h>
#include <sys/mount.h>
#include <sys/time.h>
#include <sys/sysctl.h>
#include <nfs/nfsproto.h>
#include <nfsclient/nfs.h>
#include <nfsserver/nfs.h>
#include <nfs/nfssvc.h>
#include <fs/nfs/nfsport.h>
#include <signal.h>
#include <fcntl.h>
#include <ctype.h>
#include <errno.h>
#include <kvm.h>
#include <limits.h>
#include <nlist.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <paths.h>
#include <err.h>
struct nlist nl[] = {
#define N_NFSSTAT 0
{ .n_name = "nfsstats" },
#define N_NFSRVSTAT 1
{ .n_name = "nfsrvstats" },
{ .n_name = NULL },
};
kvm_t *kd;
static int deadkernel = 0;
static int widemode = 0;
static int zflag = 0;
static int run_v4 = 1;
static int printtitle = 1;
static struct ext_nfsstats ext_nfsstats;
static int extra_output = 0;
void intpr(int, int);
void printhdr(int, int);
void sidewaysintpr(u_int, int, int);
void usage(void);
char *sperc1(int, int);
char *sperc2(int, int);
void exp_intpr(int, int);
void exp_sidewaysintpr(u_int, int, int);
#define DELTA(field) (nfsstats.field - lastst.field)
int
main(int argc, char **argv)
{
u_int interval;
int clientOnly = -1;
int serverOnly = -1;
int ch;
char *memf, *nlistf;
char errbuf[_POSIX2_LINE_MAX];
int mntlen, i;
char buf[1024];
struct statfs *mntbuf;
struct nfscl_dumpmntopts dumpmntopts;
interval = 0;
memf = nlistf = NULL;
while ((ch = getopt(argc, argv, "cesWM:mN:ow:z")) != -1)
switch(ch) {
case 'M':
memf = optarg;
break;
case 'm':
/* Display mount options for NFS mount points. */
mntlen = getmntinfo(&mntbuf, MNT_NOWAIT);
for (i = 0; i < mntlen; i++) {
if (strcmp(mntbuf->f_fstypename, "nfs") == 0) {
dumpmntopts.ndmnt_fname =
mntbuf->f_mntonname;
dumpmntopts.ndmnt_buf = buf;
dumpmntopts.ndmnt_blen = sizeof(buf);
if (nfssvc(NFSSVC_DUMPMNTOPTS,
&dumpmntopts) >= 0)
printf("%s on %s\n%s\n",
mntbuf->f_mntfromname,
mntbuf->f_mntonname, buf);
}
mntbuf++;
}
exit(0);
case 'N':
nlistf = optarg;
break;
case 'W':
widemode = 1;
break;
case 'w':
interval = atoi(optarg);
break;
case 'c':
clientOnly = 1;
if (serverOnly < 0)
serverOnly = 0;
break;
case 's':
serverOnly = 1;
if (clientOnly < 0)
clientOnly = 0;
break;
case 'z':
zflag = 1;
break;
case 'o':
if (extra_output != 0)
err(1, "-o incompatible with -e");
run_v4 = 0;
break;
case 'e':
if (run_v4 == 0)
err(1, "-e incompatible with -o");
extra_output = 1;
break;
case '?':
default:
usage();
}
argc -= optind;
argv += optind;
#define BACKWARD_COMPATIBILITY
#ifdef BACKWARD_COMPATIBILITY
if (*argv) {
interval = atoi(*argv);
if (*++argv) {
nlistf = *argv;
if (*++argv)
memf = *argv;
}
}
#endif
if (run_v4 != 0 && modfind("nfscommon") < 0)
errx(1, "new client/server not loaded");
if (run_v4 == 0 && (nlistf != NULL || memf != NULL)) {
deadkernel = 1;
if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY,
errbuf)) == 0) {
errx(1, "kvm_openfiles: %s", errbuf);
}
if (kvm_nlist(kd, nl) != 0) {
errx(1, "kvm_nlist: can't get names");
}
}
if (interval) {
if (run_v4 > 0)
exp_sidewaysintpr(interval, clientOnly, serverOnly);
else
sidewaysintpr(interval, clientOnly, serverOnly);
} else {
if (extra_output != 0)
exp_intpr(clientOnly, serverOnly);
else
intpr(clientOnly, serverOnly);
}
exit(0);
}
/*
* Read the nfs stats using sysctl(3) for live kernels, or kvm_read
* for dead ones.
*/
static void
readstats(struct nfsstats **stp, struct nfsrvstats **srvstp, int zero)
{
union {
struct nfsstats client;
struct nfsrvstats server;
} zerostat;
size_t buflen;
if (deadkernel) {
if (*stp != NULL && kvm_read(kd, (u_long)nl[N_NFSSTAT].n_value,
*stp, sizeof(struct nfsstats)) < 0) {
*stp = NULL;
}
if (*srvstp != NULL && kvm_read(kd,
(u_long)nl[N_NFSRVSTAT].n_value, *srvstp,
sizeof(struct nfsrvstats)) < 0) {
*srvstp = NULL;
}
} else {
if (zero)
bzero(&zerostat, sizeof(zerostat));
buflen = sizeof(struct nfsstats);
if (*stp != NULL && sysctlbyname("vfs.oldnfs.nfsstats", *stp,
&buflen, zero ? &zerostat : NULL, zero ? buflen : 0) < 0) {
if (errno != ENOENT)
err(1, "sysctl: vfs.oldnfs.nfsstats");
*stp = NULL;
}
buflen = sizeof(struct nfsrvstats);
if (*srvstp != NULL && sysctlbyname("vfs.nfsrv.nfsrvstats",
*srvstp, &buflen, zero ? &zerostat : NULL,
zero ? buflen : 0) < 0) {
if (errno != ENOENT)
err(1, "sysctl: vfs.nfsrv.nfsrvstats");
*srvstp = NULL;
}
}
}
/*
* Print a description of the nfs stats.
*/
void
intpr(int clientOnly, int serverOnly)
{
struct nfsstats nfsstats, *nfsstatsp;
struct nfsrvstats nfsrvstats, *nfsrvstatsp;
int nfssvc_flag;
if (run_v4 == 0) {
/*
* Only read the stats we are going to display to avoid zeroing
* stats the user didn't request.
*/
if (clientOnly)
nfsstatsp = &nfsstats;
else
nfsstatsp = NULL;
if (serverOnly)
nfsrvstatsp = &nfsrvstats;
else
nfsrvstatsp = NULL;
readstats(&nfsstatsp, &nfsrvstatsp, zflag);
if (clientOnly && !nfsstatsp) {
printf("Client not present!\n");
clientOnly = 0;
}
} else {
nfssvc_flag = NFSSVC_GETSTATS;
if (zflag != 0) {
if (clientOnly != 0)
nfssvc_flag |= NFSSVC_ZEROCLTSTATS;
if (serverOnly != 0)
nfssvc_flag |= NFSSVC_ZEROSRVSTATS;
}
if (nfssvc(nfssvc_flag, &ext_nfsstats) < 0)
err(1, "Can't get stats");
}
if (clientOnly) {
printf("Client Info:\n");
printf("Rpc Counts:\n");
printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
"Getattr", "Setattr", "Lookup", "Readlink", "Read",
"Write", "Create", "Remove");
if (run_v4 == 0)
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
nfsstats.rpccnt[NFSPROC_GETATTR],
nfsstats.rpccnt[NFSPROC_SETATTR],
nfsstats.rpccnt[NFSPROC_LOOKUP],
nfsstats.rpccnt[NFSPROC_READLINK],
nfsstats.rpccnt[NFSPROC_READ],
nfsstats.rpccnt[NFSPROC_WRITE],
nfsstats.rpccnt[NFSPROC_CREATE],
nfsstats.rpccnt[NFSPROC_REMOVE]);
else
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.rpccnt[NFSPROC_GETATTR],
ext_nfsstats.rpccnt[NFSPROC_SETATTR],
ext_nfsstats.rpccnt[NFSPROC_LOOKUP],
ext_nfsstats.rpccnt[NFSPROC_READLINK],
ext_nfsstats.rpccnt[NFSPROC_READ],
ext_nfsstats.rpccnt[NFSPROC_WRITE],
ext_nfsstats.rpccnt[NFSPROC_CREATE],
ext_nfsstats.rpccnt[NFSPROC_REMOVE]);
printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
"Rename", "Link", "Symlink", "Mkdir", "Rmdir",
"Readdir", "RdirPlus", "Access");
if (run_v4 == 0)
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
nfsstats.rpccnt[NFSPROC_RENAME],
nfsstats.rpccnt[NFSPROC_LINK],
nfsstats.rpccnt[NFSPROC_SYMLINK],
nfsstats.rpccnt[NFSPROC_MKDIR],
nfsstats.rpccnt[NFSPROC_RMDIR],
nfsstats.rpccnt[NFSPROC_READDIR],
nfsstats.rpccnt[NFSPROC_READDIRPLUS],
nfsstats.rpccnt[NFSPROC_ACCESS]);
else
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.rpccnt[NFSPROC_RENAME],
ext_nfsstats.rpccnt[NFSPROC_LINK],
ext_nfsstats.rpccnt[NFSPROC_SYMLINK],
ext_nfsstats.rpccnt[NFSPROC_MKDIR],
ext_nfsstats.rpccnt[NFSPROC_RMDIR],
ext_nfsstats.rpccnt[NFSPROC_READDIR],
ext_nfsstats.rpccnt[NFSPROC_READDIRPLUS],
ext_nfsstats.rpccnt[NFSPROC_ACCESS]);
printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
"Mknod", "Fsstat", "Fsinfo", "PathConf", "Commit");
if (run_v4 == 0)
printf("%9d %9d %9d %9d %9d\n",
nfsstats.rpccnt[NFSPROC_MKNOD],
nfsstats.rpccnt[NFSPROC_FSSTAT],
nfsstats.rpccnt[NFSPROC_FSINFO],
nfsstats.rpccnt[NFSPROC_PATHCONF],
nfsstats.rpccnt[NFSPROC_COMMIT]);
else
printf("%9d %9d %9d %9d %9d\n",
ext_nfsstats.rpccnt[NFSPROC_MKNOD],
ext_nfsstats.rpccnt[NFSPROC_FSSTAT],
ext_nfsstats.rpccnt[NFSPROC_FSINFO],
ext_nfsstats.rpccnt[NFSPROC_PATHCONF],
ext_nfsstats.rpccnt[NFSPROC_COMMIT]);
printf("Rpc Info:\n");
printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
"TimedOut", "Invalid", "X Replies", "Retries",
"Requests");
if (run_v4 == 0)
printf("%9d %9d %9d %9d %9d\n",
nfsstats.rpctimeouts,
nfsstats.rpcinvalid,
nfsstats.rpcunexpected,
nfsstats.rpcretries,
nfsstats.rpcrequests);
else
printf("%9d %9d %9d %9d %9d\n",
ext_nfsstats.rpctimeouts,
ext_nfsstats.rpcinvalid,
ext_nfsstats.rpcunexpected,
ext_nfsstats.rpcretries,
ext_nfsstats.rpcrequests);
printf("Cache Info:\n");
printf("%9.9s %9.9s %9.9s %9.9s",
"Attr Hits", "Misses", "Lkup Hits", "Misses");
printf(" %9.9s %9.9s %9.9s %9.9s\n",
"BioR Hits", "Misses", "BioW Hits", "Misses");
if (run_v4 == 0) {
printf("%9d %9d %9d %9d",
nfsstats.attrcache_hits,
nfsstats.attrcache_misses,
nfsstats.lookupcache_hits,
nfsstats.lookupcache_misses);
printf(" %9d %9d %9d %9d\n",
nfsstats.biocache_reads-nfsstats.read_bios,
nfsstats.read_bios,
nfsstats.biocache_writes-nfsstats.write_bios,
nfsstats.write_bios);
} else {
printf("%9d %9d %9d %9d",
ext_nfsstats.attrcache_hits,
ext_nfsstats.attrcache_misses,
ext_nfsstats.lookupcache_hits,
ext_nfsstats.lookupcache_misses);
printf(" %9d %9d %9d %9d\n",
ext_nfsstats.biocache_reads -
ext_nfsstats.read_bios,
ext_nfsstats.read_bios,
ext_nfsstats.biocache_writes -
ext_nfsstats.write_bios,
ext_nfsstats.write_bios);
}
printf("%9.9s %9.9s %9.9s %9.9s",
"BioRLHits", "Misses", "BioD Hits", "Misses");
printf(" %9.9s %9.9s %9.9s %9.9s\n", "DirE Hits", "Misses", "Accs Hits", "Misses");
if (run_v4 == 0) {
printf("%9d %9d %9d %9d",
nfsstats.biocache_readlinks -
nfsstats.readlink_bios,
nfsstats.readlink_bios,
nfsstats.biocache_readdirs -
nfsstats.readdir_bios,
nfsstats.readdir_bios);
printf(" %9d %9d %9d %9d\n",
nfsstats.direofcache_hits,
nfsstats.direofcache_misses,
nfsstats.accesscache_hits,
nfsstats.accesscache_misses);
} else {
printf("%9d %9d %9d %9d",
ext_nfsstats.biocache_readlinks -
ext_nfsstats.readlink_bios,
ext_nfsstats.readlink_bios,
ext_nfsstats.biocache_readdirs -
ext_nfsstats.readdir_bios,
ext_nfsstats.readdir_bios);
printf(" %9d %9d %9d %9d\n",
ext_nfsstats.direofcache_hits,
ext_nfsstats.direofcache_misses,
ext_nfsstats.accesscache_hits,
ext_nfsstats.accesscache_misses);
}
}
if (run_v4 == 0 && serverOnly && !nfsrvstatsp) {
printf("Server not present!\n");
serverOnly = 0;
}
if (serverOnly) {
printf("\nServer Info:\n");
printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
"Getattr", "Setattr", "Lookup", "Readlink", "Read",
"Write", "Create", "Remove");
if (run_v4 == 0)
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
nfsrvstats.srvrpccnt[NFSPROC_GETATTR],
nfsrvstats.srvrpccnt[NFSPROC_SETATTR],
nfsrvstats.srvrpccnt[NFSPROC_LOOKUP],
nfsrvstats.srvrpccnt[NFSPROC_READLINK],
nfsrvstats.srvrpccnt[NFSPROC_READ],
nfsrvstats.srvrpccnt[NFSPROC_WRITE],
nfsrvstats.srvrpccnt[NFSPROC_CREATE],
nfsrvstats.srvrpccnt[NFSPROC_REMOVE]);
else
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.srvrpccnt[NFSV4OP_GETATTR],
ext_nfsstats.srvrpccnt[NFSV4OP_SETATTR],
ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUP],
ext_nfsstats.srvrpccnt[NFSV4OP_READLINK],
ext_nfsstats.srvrpccnt[NFSV4OP_READ],
ext_nfsstats.srvrpccnt[NFSV4OP_WRITE],
ext_nfsstats.srvrpccnt[NFSV4OP_CREATE],
ext_nfsstats.srvrpccnt[NFSV4OP_REMOVE]);
printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
"Rename", "Link", "Symlink", "Mkdir", "Rmdir",
"Readdir", "RdirPlus", "Access");
if (run_v4 == 0)
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
nfsrvstats.srvrpccnt[NFSPROC_RENAME],
nfsrvstats.srvrpccnt[NFSPROC_LINK],
nfsrvstats.srvrpccnt[NFSPROC_SYMLINK],
nfsrvstats.srvrpccnt[NFSPROC_MKDIR],
nfsrvstats.srvrpccnt[NFSPROC_RMDIR],
nfsrvstats.srvrpccnt[NFSPROC_READDIR],
nfsrvstats.srvrpccnt[NFSPROC_READDIRPLUS],
nfsrvstats.srvrpccnt[NFSPROC_ACCESS]);
else
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.srvrpccnt[NFSV4OP_RENAME],
ext_nfsstats.srvrpccnt[NFSV4OP_LINK],
ext_nfsstats.srvrpccnt[NFSV4OP_SYMLINK],
ext_nfsstats.srvrpccnt[NFSV4OP_MKDIR],
ext_nfsstats.srvrpccnt[NFSV4OP_RMDIR],
ext_nfsstats.srvrpccnt[NFSV4OP_READDIR],
ext_nfsstats.srvrpccnt[NFSV4OP_READDIRPLUS],
ext_nfsstats.srvrpccnt[NFSV4OP_ACCESS]);
printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
"Mknod", "Fsstat", "Fsinfo", "PathConf", "Commit");
if (run_v4 == 0)
printf("%9d %9d %9d %9d %9d\n",
nfsrvstats.srvrpccnt[NFSPROC_MKNOD],
nfsrvstats.srvrpccnt[NFSPROC_FSSTAT],
nfsrvstats.srvrpccnt[NFSPROC_FSINFO],
nfsrvstats.srvrpccnt[NFSPROC_PATHCONF],
nfsrvstats.srvrpccnt[NFSPROC_COMMIT]);
else
printf("%9d %9d %9d %9d %9d\n",
ext_nfsstats.srvrpccnt[NFSV4OP_MKNOD],
ext_nfsstats.srvrpccnt[NFSV4OP_FSSTAT],
ext_nfsstats.srvrpccnt[NFSV4OP_FSINFO],
ext_nfsstats.srvrpccnt[NFSV4OP_PATHCONF],
ext_nfsstats.srvrpccnt[NFSV4OP_COMMIT]);
printf("Server Ret-Failed\n");
if (run_v4 == 0)
printf("%17d\n", nfsrvstats.srvrpc_errs);
else
printf("%17d\n", ext_nfsstats.srvrpc_errs);
printf("Server Faults\n");
if (run_v4 == 0)
printf("%13d\n", nfsrvstats.srv_errs);
else
printf("%13d\n", ext_nfsstats.srv_errs);
printf("Server Cache Stats:\n");
printf("%9.9s %9.9s %9.9s %9.9s\n",
"Inprog", "Idem", "Non-idem", "Misses");
if (run_v4 == 0)
printf("%9d %9d %9d %9d\n",
nfsrvstats.srvcache_inproghits,
nfsrvstats.srvcache_idemdonehits,
nfsrvstats.srvcache_nonidemdonehits,
nfsrvstats.srvcache_misses);
else
printf("%9d %9d %9d %9d\n",
ext_nfsstats.srvcache_inproghits,
ext_nfsstats.srvcache_idemdonehits,
ext_nfsstats.srvcache_nonidemdonehits,
ext_nfsstats.srvcache_misses);
printf("Server Write Gathering:\n");
printf("%9.9s %9.9s %9.9s\n",
"WriteOps", "WriteRPC", "Opsaved");
if (run_v4 == 0)
printf("%9d %9d %9d\n",
nfsrvstats.srvvop_writes,
nfsrvstats.srvrpccnt[NFSPROC_WRITE],
nfsrvstats.srvrpccnt[NFSPROC_WRITE] -
nfsrvstats.srvvop_writes);
else
/*
* The new client doesn't do write gathering. It was
* only useful for NFSv2.
*/
printf("%9d %9d %9d\n",
ext_nfsstats.srvrpccnt[NFSV4OP_WRITE],
ext_nfsstats.srvrpccnt[NFSV4OP_WRITE], 0);
}
}
u_char signalled; /* set if alarm goes off "early" */
/*
* Print a running summary of nfs statistics.
* Repeat display every interval seconds, showing statistics
* collected over that interval. Assumes that interval is non-zero.
* First line printed at top of screen is always cumulative.
*/
void
sidewaysintpr(u_int interval, int clientOnly, int serverOnly)
{
struct nfsstats nfsstats, lastst, *nfsstatsp;
struct nfsrvstats nfsrvstats, lastsrvst, *nfsrvstatsp;
int hdrcnt = 1;
nfsstatsp = &lastst;
nfsrvstatsp = &lastsrvst;
readstats(&nfsstatsp, &nfsrvstatsp, 0);
if (clientOnly && !nfsstatsp) {
printf("Client not present!\n");
clientOnly = 0;
}
if (serverOnly && !nfsrvstatsp) {
printf("Server not present!\n");
serverOnly = 0;
}
sleep(interval);
for (;;) {
nfsstatsp = &nfsstats;
nfsrvstatsp = &nfsrvstats;
readstats(&nfsstatsp, &nfsrvstatsp, 0);
if (--hdrcnt == 0) {
printhdr(clientOnly, serverOnly);
if (clientOnly && serverOnly)
hdrcnt = 10;
else
hdrcnt = 20;
}
if (clientOnly) {
printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
((clientOnly && serverOnly) ? "Client:" : ""),
DELTA(attrcache_hits) + DELTA(attrcache_misses),
DELTA(lookupcache_hits) + DELTA(lookupcache_misses),
DELTA(biocache_readlinks),
DELTA(biocache_reads),
DELTA(biocache_writes),
nfsstats.rpccnt[NFSPROC_RENAME]-lastst.rpccnt[NFSPROC_RENAME],
DELTA(accesscache_hits) + DELTA(accesscache_misses),
DELTA(biocache_readdirs)
);
if (widemode) {
printf(" %s %s %s %s %s %s",
sperc1(DELTA(attrcache_hits),
DELTA(attrcache_misses)),
sperc1(DELTA(lookupcache_hits),
DELTA(lookupcache_misses)),
sperc2(DELTA(biocache_reads),
DELTA(read_bios)),
sperc2(DELTA(biocache_writes),
DELTA(write_bios)),
sperc1(DELTA(accesscache_hits),
DELTA(accesscache_misses)),
sperc2(DELTA(biocache_readdirs),
DELTA(readdir_bios))
);
}
printf("\n");
lastst = nfsstats;
}
if (serverOnly) {
printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
((clientOnly && serverOnly) ? "Server:" : ""),
nfsrvstats.srvrpccnt[NFSPROC_GETATTR]-lastsrvst.srvrpccnt[NFSPROC_GETATTR],
nfsrvstats.srvrpccnt[NFSPROC_LOOKUP]-lastsrvst.srvrpccnt[NFSPROC_LOOKUP],
nfsrvstats.srvrpccnt[NFSPROC_READLINK]-lastsrvst.srvrpccnt[NFSPROC_READLINK],
nfsrvstats.srvrpccnt[NFSPROC_READ]-lastsrvst.srvrpccnt[NFSPROC_READ],
nfsrvstats.srvrpccnt[NFSPROC_WRITE]-lastsrvst.srvrpccnt[NFSPROC_WRITE],
nfsrvstats.srvrpccnt[NFSPROC_RENAME]-lastsrvst.srvrpccnt[NFSPROC_RENAME],
nfsrvstats.srvrpccnt[NFSPROC_ACCESS]-lastsrvst.srvrpccnt[NFSPROC_ACCESS],
(nfsrvstats.srvrpccnt[NFSPROC_READDIR]-lastsrvst.srvrpccnt[NFSPROC_READDIR])
+(nfsrvstats.srvrpccnt[NFSPROC_READDIRPLUS]-lastsrvst.srvrpccnt[NFSPROC_READDIRPLUS]));
printf("\n");
lastsrvst = nfsrvstats;
}
fflush(stdout);
sleep(interval);
}
/*NOTREACHED*/
}
void
printhdr(int clientOnly, int serverOnly)
{
printf("%s%6.6s %6.6s %6.6s %6.6s %6.6s %6.6s %6.6s %6.6s",
((serverOnly && clientOnly) ? " " : " "),
"GtAttr", "Lookup", "Rdlink", "Read", "Write", "Rename",
"Access", "Rddir");
if (widemode && clientOnly) {
printf(" Attr Lkup BioR BioW Accs BioD");
}
printf("\n");
fflush(stdout);
}
void
usage(void)
{
(void)fprintf(stderr,
"usage: nfsstat [-cemoszW] [-M core] [-N system] [-w wait]\n");
exit(1);
}
static char SPBuf[64][8];
static int SPIndex;
char *
sperc1(int hits, int misses)
{
char *p = SPBuf[SPIndex];
if (hits + misses) {
sprintf(p, "%3d%%",
(int)(char)((quad_t)hits * 100 / (hits + misses)));
} else {
sprintf(p, " -");
}
SPIndex = (SPIndex + 1) & 63;
return(p);
}
char *
sperc2(int ttl, int misses)
{
char *p = SPBuf[SPIndex];
if (ttl) {
sprintf(p, "%3d%%",
(int)(char)((quad_t)(ttl - misses) * 100 / ttl));
} else {
sprintf(p, " -");
}
SPIndex = (SPIndex + 1) & 63;
return(p);
}
/*
* Print a description of the nfs stats for the experimental client/server.
*/
void
exp_intpr(int clientOnly, int serverOnly)
{
int nfssvc_flag;
nfssvc_flag = NFSSVC_GETSTATS;
if (zflag != 0) {
if (clientOnly != 0)
nfssvc_flag |= NFSSVC_ZEROCLTSTATS;
if (serverOnly != 0)
nfssvc_flag |= NFSSVC_ZEROSRVSTATS;
}
if (nfssvc(nfssvc_flag, &ext_nfsstats) < 0)
err(1, "Can't get stats");
if (clientOnly != 0) {
if (printtitle) {
printf("Client Info:\n");
printf("Rpc Counts:\n");
printf(
"%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
, "Getattr", "Setattr", "Lookup", "Readlink",
"Read", "Write", "Create", "Remove");
}
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.rpccnt[NFSPROC_GETATTR],
ext_nfsstats.rpccnt[NFSPROC_SETATTR],
ext_nfsstats.rpccnt[NFSPROC_LOOKUP],
ext_nfsstats.rpccnt[NFSPROC_READLINK],
ext_nfsstats.rpccnt[NFSPROC_READ],
ext_nfsstats.rpccnt[NFSPROC_WRITE],
ext_nfsstats.rpccnt[NFSPROC_CREATE],
ext_nfsstats.rpccnt[NFSPROC_REMOVE]);
if (printtitle)
printf(
"%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
, "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
"Readdir", "RdirPlus", "Access");
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.rpccnt[NFSPROC_RENAME],
ext_nfsstats.rpccnt[NFSPROC_LINK],
ext_nfsstats.rpccnt[NFSPROC_SYMLINK],
ext_nfsstats.rpccnt[NFSPROC_MKDIR],
ext_nfsstats.rpccnt[NFSPROC_RMDIR],
ext_nfsstats.rpccnt[NFSPROC_READDIR],
ext_nfsstats.rpccnt[NFSPROC_READDIRPLUS],
ext_nfsstats.rpccnt[NFSPROC_ACCESS]);
if (printtitle)
printf(
"%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
, "Mknod", "Fsstat", "Fsinfo", "PathConf",
"Commit", "SetClId", "SetClIdCf", "Lock");
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.rpccnt[NFSPROC_MKNOD],
ext_nfsstats.rpccnt[NFSPROC_FSSTAT],
ext_nfsstats.rpccnt[NFSPROC_FSINFO],
ext_nfsstats.rpccnt[NFSPROC_PATHCONF],
ext_nfsstats.rpccnt[NFSPROC_COMMIT],
ext_nfsstats.rpccnt[NFSPROC_SETCLIENTID],
ext_nfsstats.rpccnt[NFSPROC_SETCLIENTIDCFRM],
ext_nfsstats.rpccnt[NFSPROC_LOCK]);
if (printtitle)
printf("%9.9s %9.9s %9.9s %9.9s\n",
"LockT", "LockU", "Open", "OpenCfr");
printf("%9d %9d %9d %9d\n",
ext_nfsstats.rpccnt[NFSPROC_LOCKT],
ext_nfsstats.rpccnt[NFSPROC_LOCKU],
ext_nfsstats.rpccnt[NFSPROC_OPEN],
ext_nfsstats.rpccnt[NFSPROC_OPENCONFIRM]);
if (printtitle)
printf(
"%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
, "OpenOwner", "Opens", "LockOwner",
"Locks", "Delegs", "LocalOwn",
"LocalOpen", "LocalLOwn");
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.clopenowners,
ext_nfsstats.clopens,
ext_nfsstats.cllockowners,
ext_nfsstats.cllocks,
ext_nfsstats.cldelegates,
ext_nfsstats.cllocalopenowners,
ext_nfsstats.cllocalopens,
ext_nfsstats.cllocallockowners);
if (printtitle)
printf("%9.9s\n", "LocalLock");
printf("%9d\n", ext_nfsstats.cllocallocks);
if (printtitle) {
printf("Rpc Info:\n");
printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
"TimedOut", "Invalid", "X Replies", "Retries",
"Requests");
}
printf("%9d %9d %9d %9d %9d\n",
ext_nfsstats.rpctimeouts,
ext_nfsstats.rpcinvalid,
ext_nfsstats.rpcunexpected,
ext_nfsstats.rpcretries,
ext_nfsstats.rpcrequests);
if (printtitle) {
printf("Cache Info:\n");
printf("%9.9s %9.9s %9.9s %9.9s",
"Attr Hits", "Misses", "Lkup Hits", "Misses");
printf(" %9.9s %9.9s %9.9s %9.9s\n",
"BioR Hits", "Misses", "BioW Hits", "Misses");
}
printf("%9d %9d %9d %9d",
ext_nfsstats.attrcache_hits,
ext_nfsstats.attrcache_misses,
ext_nfsstats.lookupcache_hits,
ext_nfsstats.lookupcache_misses);
printf(" %9d %9d %9d %9d\n",
ext_nfsstats.biocache_reads - ext_nfsstats.read_bios,
ext_nfsstats.read_bios,
ext_nfsstats.biocache_writes - ext_nfsstats.write_bios,
ext_nfsstats.write_bios);
if (printtitle) {
printf("%9.9s %9.9s %9.9s %9.9s",
"BioRLHits", "Misses", "BioD Hits", "Misses");
printf(" %9.9s %9.9s\n", "DirE Hits", "Misses");
}
printf("%9d %9d %9d %9d",
ext_nfsstats.biocache_readlinks -
ext_nfsstats.readlink_bios,
ext_nfsstats.readlink_bios,
ext_nfsstats.biocache_readdirs -
ext_nfsstats.readdir_bios,
ext_nfsstats.readdir_bios);
printf(" %9d %9d\n",
ext_nfsstats.direofcache_hits,
ext_nfsstats.direofcache_misses);
}
if (serverOnly != 0) {
if (printtitle) {
printf("\nServer Info:\n");
printf(
"%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
, "Getattr", "Setattr", "Lookup", "Readlink",
"Read", "Write", "Create", "Remove");
}
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.srvrpccnt[NFSV4OP_GETATTR],
ext_nfsstats.srvrpccnt[NFSV4OP_SETATTR],
ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUP],
ext_nfsstats.srvrpccnt[NFSV4OP_READLINK],
ext_nfsstats.srvrpccnt[NFSV4OP_READ],
ext_nfsstats.srvrpccnt[NFSV4OP_WRITE],
ext_nfsstats.srvrpccnt[NFSV4OP_V3CREATE],
ext_nfsstats.srvrpccnt[NFSV4OP_REMOVE]);
if (printtitle)
printf(
"%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
, "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
"Readdir", "RdirPlus", "Access");
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.srvrpccnt[NFSV4OP_RENAME],
ext_nfsstats.srvrpccnt[NFSV4OP_LINK],
ext_nfsstats.srvrpccnt[NFSV4OP_SYMLINK],
ext_nfsstats.srvrpccnt[NFSV4OP_MKDIR],
ext_nfsstats.srvrpccnt[NFSV4OP_RMDIR],
ext_nfsstats.srvrpccnt[NFSV4OP_READDIR],
ext_nfsstats.srvrpccnt[NFSV4OP_READDIRPLUS],
ext_nfsstats.srvrpccnt[NFSV4OP_ACCESS]);
if (printtitle)
printf(
"%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
, "Mknod", "Fsstat", "Fsinfo", "PathConf",
"Commit", "LookupP", "SetClId", "SetClIdCf");
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.srvrpccnt[NFSV4OP_MKNOD],
ext_nfsstats.srvrpccnt[NFSV4OP_FSSTAT],
ext_nfsstats.srvrpccnt[NFSV4OP_FSINFO],
ext_nfsstats.srvrpccnt[NFSV4OP_PATHCONF],
ext_nfsstats.srvrpccnt[NFSV4OP_COMMIT],
ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUPP],
ext_nfsstats.srvrpccnt[NFSV4OP_SETCLIENTID],
ext_nfsstats.srvrpccnt[NFSV4OP_SETCLIENTIDCFRM]);
if (printtitle)
printf(
"%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
, "Open", "OpenAttr", "OpenDwnGr", "OpenCfrm",
"DelePurge", "DeleRet", "GetFH", "Lock");
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.srvrpccnt[NFSV4OP_OPEN],
ext_nfsstats.srvrpccnt[NFSV4OP_OPENATTR],
ext_nfsstats.srvrpccnt[NFSV4OP_OPENDOWNGRADE],
ext_nfsstats.srvrpccnt[NFSV4OP_OPENCONFIRM],
ext_nfsstats.srvrpccnt[NFSV4OP_DELEGPURGE],
ext_nfsstats.srvrpccnt[NFSV4OP_DELEGRETURN],
ext_nfsstats.srvrpccnt[NFSV4OP_GETFH],
ext_nfsstats.srvrpccnt[NFSV4OP_LOCK]);
if (printtitle)
printf(
"%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
, "LockT", "LockU", "Close", "Verify", "NVerify",
"PutFH", "PutPubFH", "PutRootFH");
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.srvrpccnt[NFSV4OP_LOCKT],
ext_nfsstats.srvrpccnt[NFSV4OP_LOCKU],
ext_nfsstats.srvrpccnt[NFSV4OP_CLOSE],
ext_nfsstats.srvrpccnt[NFSV4OP_VERIFY],
ext_nfsstats.srvrpccnt[NFSV4OP_NVERIFY],
ext_nfsstats.srvrpccnt[NFSV4OP_PUTFH],
ext_nfsstats.srvrpccnt[NFSV4OP_PUTPUBFH],
ext_nfsstats.srvrpccnt[NFSV4OP_PUTROOTFH]);
if (printtitle)
printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
"Renew", "RestoreFH", "SaveFH", "Secinfo",
"RelLckOwn", "V4Create");
printf("%9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.srvrpccnt[NFSV4OP_RENEW],
ext_nfsstats.srvrpccnt[NFSV4OP_RESTOREFH],
ext_nfsstats.srvrpccnt[NFSV4OP_SAVEFH],
ext_nfsstats.srvrpccnt[NFSV4OP_SECINFO],
ext_nfsstats.srvrpccnt[NFSV4OP_RELEASELCKOWN],
ext_nfsstats.srvrpccnt[NFSV4OP_CREATE]);
if (printtitle) {
printf("Server:\n");
printf("%9.9s %9.9s %9.9s\n",
"Retfailed", "Faults", "Clients");
}
printf("%9d %9d %9d\n",
ext_nfsstats.srv_errs, ext_nfsstats.srvrpc_errs,
ext_nfsstats.srvclients);
if (printtitle)
printf("%9.9s %9.9s %9.9s %9.9s %9.9s \n",
"OpenOwner", "Opens", "LockOwner",
"Locks", "Delegs");
printf("%9d %9d %9d %9d %9d \n",
ext_nfsstats.srvopenowners,
ext_nfsstats.srvopens,
ext_nfsstats.srvlockowners,
ext_nfsstats.srvlocks,
ext_nfsstats.srvdelegates);
if (printtitle) {
printf("Server Cache Stats:\n");
printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
"Inprog", "Idem", "Non-idem", "Misses",
"CacheSize", "TCPPeak");
}
printf("%9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.srvcache_inproghits,
ext_nfsstats.srvcache_idemdonehits,
ext_nfsstats.srvcache_nonidemdonehits,
ext_nfsstats.srvcache_misses,
ext_nfsstats.srvcache_size,
ext_nfsstats.srvcache_tcppeak);
}
}
/*
* Print a running summary of nfs statistics for the experimental client and/or
* server.
* Repeat display every interval seconds, showing statistics
* collected over that interval. Assumes that interval is non-zero.
* First line printed at top of screen is always cumulative.
*/
void
exp_sidewaysintpr(u_int interval, int clientOnly, int serverOnly)
{
struct ext_nfsstats nfsstats, lastst, *ext_nfsstatsp;
int hdrcnt = 1;
ext_nfsstatsp = &lastst;
if (nfssvc(NFSSVC_GETSTATS, ext_nfsstatsp) < 0)
err(1, "Can't get stats");
sleep(interval);
for (;;) {
ext_nfsstatsp = &nfsstats;
if (nfssvc(NFSSVC_GETSTATS, ext_nfsstatsp) < 0)
err(1, "Can't get stats");
if (--hdrcnt == 0) {
printhdr(clientOnly, serverOnly);
if (clientOnly && serverOnly)
hdrcnt = 10;
else
hdrcnt = 20;
}
if (clientOnly) {
printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
((clientOnly && serverOnly) ? "Client:" : ""),
DELTA(attrcache_hits) + DELTA(attrcache_misses),
DELTA(lookupcache_hits) + DELTA(lookupcache_misses),
DELTA(biocache_readlinks),
DELTA(biocache_reads),
DELTA(biocache_writes),
nfsstats.rpccnt[NFSPROC_RENAME] -
lastst.rpccnt[NFSPROC_RENAME],
DELTA(accesscache_hits) + DELTA(accesscache_misses),
DELTA(biocache_readdirs)
);
if (widemode) {
printf(" %s %s %s %s %s %s",
sperc1(DELTA(attrcache_hits),
DELTA(attrcache_misses)),
sperc1(DELTA(lookupcache_hits),
DELTA(lookupcache_misses)),
sperc2(DELTA(biocache_reads),
DELTA(read_bios)),
sperc2(DELTA(biocache_writes),
DELTA(write_bios)),
sperc1(DELTA(accesscache_hits),
DELTA(accesscache_misses)),
sperc2(DELTA(biocache_readdirs),
DELTA(readdir_bios))
);
}
printf("\n");
}
if (serverOnly) {
printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
((clientOnly && serverOnly) ? "Server:" : ""),
nfsstats.srvrpccnt[NFSV4OP_GETATTR] -
lastst.srvrpccnt[NFSV4OP_GETATTR],
nfsstats.srvrpccnt[NFSV4OP_LOOKUP] -
lastst.srvrpccnt[NFSV4OP_LOOKUP],
nfsstats.srvrpccnt[NFSV4OP_READLINK] -
lastst.srvrpccnt[NFSV4OP_READLINK],
nfsstats.srvrpccnt[NFSV4OP_READ] -
lastst.srvrpccnt[NFSV4OP_READ],
nfsstats.srvrpccnt[NFSV4OP_WRITE] -
lastst.srvrpccnt[NFSV4OP_WRITE],
nfsstats.srvrpccnt[NFSV4OP_RENAME] -
lastst.srvrpccnt[NFSV4OP_RENAME],
nfsstats.srvrpccnt[NFSV4OP_ACCESS] -
lastst.srvrpccnt[NFSV4OP_ACCESS],
(nfsstats.srvrpccnt[NFSV4OP_READDIR] -
lastst.srvrpccnt[NFSV4OP_READDIR]) +
(nfsstats.srvrpccnt[NFSV4OP_READDIRPLUS] -
lastst.srvrpccnt[NFSV4OP_READDIRPLUS]));
printf("\n");
}
lastst = nfsstats;
fflush(stdout);
sleep(interval);
}
/*NOTREACHED*/
}
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