X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=blobdiff_plain;f=utils%2Fnfsstat%2Fnfsstat.c;h=619ce8b7ff428d23b38ce4387e36c3cc1c6577e9;hp=b26b3b8a04acacad40a1a6d89311e895d615abc1;hb=c68345148131ee53dea850a348d8420a18f79ca6;hpb=5fb01106f45ddbd6836d75496fb11070044a454a diff --git a/utils/nfsstat/nfsstat.c b/utils/nfsstat/nfsstat.c index b26b3b8..619ce8b 100644 --- a/utils/nfsstat/nfsstat.c +++ b/utils/nfsstat/nfsstat.c @@ -1,50 +1,58 @@ /* * nfsstat.c Output NFS statistics * - * Copyright (C) 1995, 1996, 1999 Olaf Kirch + * Copyright (C) 1995-2005 Olaf Kirch */ -#include "config.h" +#ifdef HAVE_CONFIG_H +#include +#endif #define NFSSVCSTAT "/proc/net/rpc/nfsd" #define NFSCLTSTAT "/proc/net/rpc/nfs" +#define MOUNTSFILE "/proc/mounts" + #include #include #include +#include #include #include #include #define MAXNRVALS 32 -static unsigned int svcv2info[19]; /* NFSv2 call counts ([0] == 18) */ -static unsigned int cltv2info[19]; /* NFSv2 call counts ([0] == 18) */ -static unsigned int svcv3info[23]; /* NFSv3 call counts ([0] == 22) */ -static unsigned int cltv3info[23]; /* NFSv3 call counts ([0] == 22) */ -static unsigned int svcnetinfo[4]; /* 0 # of received packets +static unsigned int svcv2info[20]; /* NFSv2 call counts ([0] == 18) */ +static unsigned int cltv2info[20]; /* NFSv2 call counts ([0] == 18) */ +static unsigned int svcv3info[24]; /* NFSv3 call counts ([0] == 22) */ +static unsigned int cltv3info[24]; /* NFSv3 call counts ([0] == 22) */ +static unsigned int svcv4info[4]; /* NFSv4 call counts ([0] == 2) */ +static unsigned int cltv4info[34]; /* NFSv4 call counts ([0] == 32) */ +static unsigned int svcv4opinfo[42];/* NFSv4 call counts ([0] == 40) */ +static unsigned int svcnetinfo[5]; /* 0 # of received packets * 1 UDP packets * 2 TCP packets * 3 TCP connections */ -static unsigned int cltnetinfo[4]; /* 0 # of received packets +static unsigned int cltnetinfo[5]; /* 0 # of received packets * 1 UDP packets * 2 TCP packets * 3 TCP connections */ -static unsigned int svcrpcinfo[5]; /* 0 total # of RPC calls +static unsigned int svcrpcinfo[6]; /* 0 total # of RPC calls * 1 total # of bad calls * 2 bad format * 3 authentication failed * 4 unknown client */ -static unsigned int cltrpcinfo[3]; /* 0 total # of RPC calls +static unsigned int cltrpcinfo[4]; /* 0 total # of RPC calls * 1 retransmitted calls * 2 cred refreshs */ -static unsigned int svcrcinfo[8]; /* 0 repcache hits +static unsigned int svcrcinfo[9]; /* 0 repcache hits * 1 repcache hits * 2 uncached reqs * (for pre-2.4 kernels:) @@ -55,7 +63,7 @@ static unsigned int svcrcinfo[8]; /* 0 repcache hits * 7 stale */ -static unsigned int svcfhinfo[6]; /* (for kernels >= 2.4.0) +static unsigned int svcfhinfo[7]; /* (for kernels >= 2.4.0) * 0 stale * 1 FH lookups * 2 'anon' FHs @@ -78,28 +86,57 @@ static const char * nfsv3name[22] = { "fsstat", "fsinfo", "pathconf", "commit" }; +static const char * nfssvrv4name[2] = { + "null", + "compound", +}; + +static const char * nfscltv4name[32] = { + "null", "read", "write", "commit", "open", "open_conf", + "open_noat", "open_dgrd", "close", "setattr", "fsinfo", "renew", + "setclntid", "confirm", "lock", + "lockt", "locku", "access", "getattr", "lookup", "lookup_root", + "remove", "rename", "link", "symlink", "create", "pathconf", + "statfs", "readlink", "readdir", "server_caps", "delegreturn", +}; + +static const char * nfssvrv4opname[40] = { + "op0-unused", "op1-unused", "op2-future", "access", "close", "commit", + "create", "delegpurge", "delegreturn", "getattr", "getfh", "link", + "lock", "lockt", "locku", "lookup", "lookup_root", "nverify", + "open", "openattr", "open_conf", "open_dgrd", "putfh", "putpubfh", + "putrootfh", "read", "readdir", "readlink", "remove", "rename", + "renew", "restorefh", "savefh", "secinfo", "setattr", "setcltid", + "setcltidconf", "verify", "write", "rellockowner" +}; + typedef struct statinfo { char *tag; int nrvals; unsigned int * valptr; } statinfo; +#define STRUCTSIZE(x) sizeof(x)/sizeof(*x) + static statinfo svcinfo[] = { - { "net", 4, svcnetinfo }, - { "rpc", 5, svcrpcinfo }, - { "rc", 8, svcrcinfo }, - { "fh", 5, svcfhinfo }, - { "proc2", 19, svcv2info }, - { "proc3", 23, svcv3info }, - { NULL, 0, 0 } + { "net", STRUCTSIZE(svcnetinfo), svcnetinfo }, + { "rpc", STRUCTSIZE(svcrpcinfo), svcrpcinfo }, + { "rc", STRUCTSIZE(svcrcinfo), svcrcinfo }, + { "fh", STRUCTSIZE(svcfhinfo), svcfhinfo }, + { "proc2", STRUCTSIZE(svcv2info), svcv2info }, + { "proc3", STRUCTSIZE(svcv3info), svcv3info }, + { "proc4", STRUCTSIZE(svcv4info), svcv4info }, + { "proc4ops", STRUCTSIZE(svcv4opinfo),svcv4opinfo}, + { NULL, 0, NULL } }; static statinfo cltinfo[] = { - { "net", 4, cltnetinfo }, - { "rpc", 3, cltrpcinfo }, - { "proc2", 19, cltv2info }, - { "proc3", 23, cltv3info }, - { NULL, 0, 0 } + { "net", STRUCTSIZE(cltnetinfo), cltnetinfo }, + { "rpc", STRUCTSIZE(cltrpcinfo), cltrpcinfo }, + { "proc2", STRUCTSIZE(cltv2info), cltv2info }, + { "proc3", STRUCTSIZE(cltv3info), cltv3info }, + { "proc4", STRUCTSIZE(cltv4info), cltv4info }, + { NULL, 0, NULL } }; static void print_numbers(const char *, unsigned int *, @@ -110,13 +147,70 @@ static int parse_statfile(const char *, struct statinfo *); static statinfo *get_stat_info(const char *, struct statinfo *); +static int mounts(const char *); + +static void get_stats(const char *, statinfo *, int *, int, const char *); +static int has_stats(const unsigned int *); #define PRNT_CALLS 0x0001 #define PRNT_RPC 0x0002 #define PRNT_NET 0x0004 #define PRNT_FH 0x0008 #define PRNT_RC 0x0010 -#define PRNT_ALL 0xffff +#define PRNT_AUTO 0x1000 +#define PRNT_V2 0x2000 +#define PRNT_V3 0x4000 +#define PRNT_V4 0x8000 +#define PRNT_ALL 0x0fff + +int versions[] = { + PRNT_V2, + PRNT_V3, + PRNT_V4 +}; + +void usage(char *name) +{ + printf("Usage: %s [OPTION]...\n\ +\n\ + -m, --mounted\t\tShow statistics on mounted NFS filesystems\n\ + -c, --client\t\tShow NFS client statistics\n\ + -s, --server\t\tShow NFS server statistics\n\ + -2\t\t\tShow NFS version 2 statistics\n\ + -3\t\t\tShow NFS version 3 statistics\n\ + -4\t\t\tShow NFS version 4 statistics\n\ + -o [facility]\t\tShow statistics on particular facilities.\n\ + nfs\tNFS protocol information\n\ + rpc\tGeneral RPC information\n\ + net\tNetwork layer statistics\n\ + fh\t\tUsage information on the server's file handle cache\n\ + rc\t\tUsage information on the server's request reply cache\n\ + all\tSelect all of the above\n\ + -v, --verbose, --all\tSame as '-o all'\n\ + -r, --rpc\t\tShow RPC statistics\n\ + -n, --nfs\t\tShow NFS statistics\n\ + --version\t\tShow program version\n\ + --help\t\tWhat you just did\n\ +\n", name); + exit(0); +} + +static struct option longopts[] = +{ + { "acl", 0, 0, 'a' }, + { "all", 0, 0, 'v' }, + { "auto", 0, 0, '\3' }, + { "client", 0, 0, 'c' }, + { "mounts", 0, 0, 'm' }, + { "nfs", 0, 0, 'n' }, + { "rpc", 0, 0, 'r' }, + { "server", 0, 0, 's' }, + { "verbose", 0, 0, 'v' }, + { "zero", 0, 0, 'z' }, + { "help", 0, 0, '\1' }, + { "version", 0, 0, '\2' }, + { NULL, 0, 0, 0 } +}; int main(int argc, char **argv) @@ -126,12 +220,18 @@ main(int argc, char **argv) opt_clt = 0, opt_prt = 0; int c; - - while ((c = getopt(argc, argv, "acno:rsz")) != -1) { + char *progname; + + if ((progname = strrchr(argv[0], '/'))) + progname++; + else + progname = argv[0]; + + while ((c = getopt_long(argc, argv, "234acmno:vrsz\1\2", longopts, NULL)) != EOF) { switch (c) { case 'a': - opt_all = 1; - break; + fprintf(stderr, "nfsstat: nfs acls are not yet supported.\n"); + return -1; case 'c': opt_clt = 1; break; @@ -149,12 +249,25 @@ main(int argc, char **argv) opt_prt |= PRNT_RC; else if (!strcmp(optarg, "fh")) opt_prt |= PRNT_FH; + else if (!strcmp(optarg, "all")) + opt_prt |= PRNT_CALLS | PRNT_RPC | PRNT_NET | PRNT_RC | PRNT_FH; else { fprintf(stderr, "nfsstat: unknown category: " "%s\n", optarg); return 2; } break; + case '2': + case '3': + case '4': + opt_prt |= versions[c - '2']; + break; + case 'v': + opt_all = 1; + break; + case '\3': + opt_prt |= PRNT_AUTO; + break; case 'r': opt_prt |= PRNT_RPC; break; @@ -165,17 +278,32 @@ main(int argc, char **argv) fprintf(stderr, "nfsstat: zeroing of nfs statistics " "not yet supported\n"); return 2; + case 'm': + return mounts(MOUNTSFILE); + case '\1': + usage(progname); + return 0; + case '\2': + fprintf(stdout, "nfsstat: " VERSION "\n"); + return 0; + default: + printf("Try `%s --help' for more information.\n", progname); + return -1; } } if (opt_all) { opt_srv = opt_clt = 1; - opt_prt = PRNT_ALL; + opt_prt |= PRNT_ALL; } if (!(opt_srv + opt_clt)) opt_srv = opt_clt = 1; - if (!opt_prt) - opt_prt = PRNT_CALLS + PRNT_RPC; + if (!(opt_prt & 0xfff)) { + opt_prt |= PRNT_CALLS + PRNT_RPC; + } + if (!(opt_prt & 0xe000)) { + opt_prt |= PRNT_AUTO; + } if ((opt_prt & (PRNT_FH|PRNT_RC)) && !opt_srv) { fprintf(stderr, "You requested file handle or request cache " @@ -184,9 +312,10 @@ main(int argc, char **argv) "server.\n"); } - if ((opt_srv && !parse_statfile(NFSSVCSTAT, svcinfo)) - || (opt_clt && !parse_statfile(NFSCLTSTAT, cltinfo))) - return 2; + if (opt_srv) + get_stats(NFSSVCSTAT, svcinfo, &opt_srv, opt_clt, "Server"); + if (opt_clt) + get_stats(NFSCLTSTAT, cltinfo, &opt_clt, opt_srv, "Client"); if (opt_srv) { if (opt_prt & PRNT_NET) { @@ -195,6 +324,7 @@ main(int argc, char **argv) "packets udp tcp tcpconn\n", svcnetinfo, 4 ); + printf("\n"); } if (opt_prt & PRNT_RPC) { print_numbers( @@ -202,6 +332,7 @@ main(int argc, char **argv) "calls badcalls badauth badclnt xdrcall\n", svcrpcinfo, 5 ); + printf("\n"); } if (opt_prt & PRNT_RC) { print_numbers( @@ -209,6 +340,7 @@ main(int argc, char **argv) "hits misses nocache\n", svcrcinfo, 3 ); + printf("\n"); } /* @@ -227,24 +359,36 @@ main(int argc, char **argv) print_numbers( "Server file handle cache:\n" - "lookup anon ncachedir ncachedir stale\n", + "lookup anon ncachedir ncachedir stale\n", svcfhinfo + 1, 5); } else /* < 2.4 */ print_numbers( "Server file handle cache:\n" - "lookup anon ncachedir ncachedir stale\n", + "lookup anon ncachedir ncachedir stale\n", svcrcinfo + 3, 5); + printf("\n"); } if (opt_prt & PRNT_CALLS) { - print_callstats( - "Server nfs v2:\n", - nfsv2name, svcv2info + 1, 18 - ); - if (svcv3info[0]) + if ((opt_prt & PRNT_V2) || ((opt_prt & PRNT_AUTO) && has_stats(svcv2info))) + print_callstats( + "Server nfs v2:\n", + nfsv2name, svcv2info + 1, sizeof(nfsv2name)/sizeof(char *) + ); + if ((opt_prt & PRNT_V3) || ((opt_prt & PRNT_AUTO) && has_stats(svcv3info))) print_callstats( "Server nfs v3:\n", - nfsv3name, svcv3info + 1, 22 + nfsv3name, svcv3info + 1, sizeof(nfsv3name)/sizeof(char *) + ); + if ((opt_prt & PRNT_V4) || ((opt_prt & PRNT_AUTO) && has_stats(svcv4info))) { + print_callstats( + "Server nfs v4:\n", + nfssvrv4name, svcv4info + 1, sizeof(nfssvrv4name)/sizeof(char *) + ); + print_callstats( + "Server nfs v4 operations:\n", + nfssvrv4opname, svcv4opinfo + 1, sizeof(nfssvrv4opname)/sizeof(char *) ); + } } } @@ -255,6 +399,7 @@ main(int argc, char **argv) "packets udp tcp tcpconn\n", cltnetinfo, 4 ); + printf("\n"); } if (opt_prt & PRNT_RPC) { print_numbers( @@ -262,16 +407,23 @@ main(int argc, char **argv) "calls retrans authrefrsh\n", cltrpcinfo, 3 ); + printf("\n"); } if (opt_prt & PRNT_CALLS) { - print_callstats( - "Client nfs v2:\n", - nfsv2name, cltv2info + 1, 18 - ); - if (cltv3info[0]) + if ((opt_prt & PRNT_V2) || ((opt_prt & PRNT_AUTO) && has_stats(cltv2info))) + print_callstats( + "Client nfs v2:\n", + nfsv2name, cltv2info + 1, sizeof(nfsv2name)/sizeof(char *) + ); + if ((opt_prt & PRNT_V3) || ((opt_prt & PRNT_AUTO) && has_stats(cltv3info))) print_callstats( "Client nfs v3:\n", - nfsv3name, cltv3info + 1, 22 + nfsv3name, cltv3info + 1, sizeof(nfsv3name)/sizeof(char *) + ); + if ((opt_prt & PRNT_V4) || ((opt_prt & PRNT_AUTO) && has_stats(cltv4info))) + print_callstats( + "Client nfs v4:\n", + nfscltv4name, cltv4info + 1, sizeof(nfscltv4name)/sizeof(char *) ); } } @@ -318,11 +470,11 @@ print_callstats(const char *hdr, const char **names, total = 1; for (i = 0; i < nr; i += 6) { for (j = 0; j < 6 && i + j < nr; j++) - printf("%-11s", names[i+j]); + printf("%-13s", names[i+j]); printf("\n"); for (j = 0; j < 6 && i + j < nr; j++) { pct = ((unsigned long long) info[i+j]*100)/total; - printf("%-6d %2llu%% ", info[i+j], pct); + printf("%-8d%3llu%% ", info[i+j], pct); } printf("\n"); } @@ -340,14 +492,15 @@ parse_statfile(const char *name, struct statinfo *statp) * be a fatal error -- it usually means the module isn't loaded. */ if ((fp = fopen(name, "r")) == NULL) { - fprintf(stderr, "Warning: %s: %m\n", name); - return 1; + // fprintf(stderr, "Warning: %s: %m\n", name); + return 0; } while (fgets(buffer, sizeof(buffer), fp) != NULL) { struct statinfo *ip; char *sp, *line = buffer; - int i, cnt; + unsigned int i, cnt; + unsigned int total = 0; if ((next = strchr(line, '\n')) != NULL) *next++ = '\0'; @@ -364,9 +517,77 @@ parse_statfile(const char *name, struct statinfo *statp) if (!(sp = strtok(NULL, " \t"))) break; ip->valptr[i] = atoi(sp); + total += ip->valptr[i]; } + ip->valptr[i] = total; } fclose(fp); return 1; } + +static int +mounts(const char *name) +{ + char buffer[4096], *next; + FILE *fp; + + /* Being unable to read e.g. the nfsd stats file shouldn't + * be a fatal error -- it usually means the module isn't loaded. + */ + if ((fp = fopen(name, "r")) == NULL) { + fprintf(stderr, "Warning: %s: %m\n", name); + return 0; + } + + while (fgets(buffer, sizeof(buffer), fp) != NULL) { + char *line = buffer; + char *device, *mount, *type, *flags; + + if ((next = strchr(line, '\n')) != NULL) + *next = '\0'; + + if (!(device = strtok(line, " \t"))) + continue; + + if (!(mount = strtok(NULL, " \t"))) + continue; + + if (!(type = strtok(NULL, " \t"))) + continue; + + if (strcmp(type, "nfs")) { + continue; + } + + if (!(flags = strtok(NULL, " \t"))) + continue; + + printf("%s from %s\n", mount, device); + printf(" Flags:\t%s\n", flags); + printf("\n"); + + continue; + } + + fclose(fp); + return 1; +} + +static void +get_stats(const char *file, statinfo *info, int *opt, int other_opt, const char *label) +{ + if (!parse_statfile(file, info)) { + if (!other_opt) { + fprintf(stderr, "Warning: No %s Stats (%s: %m). \n", label, file); + exit(2); + } + *opt = 0; + } +} + +static int +has_stats(const unsigned int *info) +{ + return (info[0] && info[info[0] + 1] != info[0]); +}