| /* |
| * nfsstat.c Output NFS statistics |
| * |
| * Copyright (C) 1995-2005 Olaf Kirch <okir@suse.de> |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include <config.h> |
| #endif |
| |
| #define NFSSRVSTAT "/proc/net/rpc/nfsd" |
| #define NFSCLTSTAT "/proc/net/rpc/nfs" |
| |
| #define MOUNTSFILE "/proc/mounts" |
| |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <unistd.h> |
| #include <getopt.h> |
| #include <string.h> |
| #include <fcntl.h> |
| #include <errno.h> |
| #include <signal.h> |
| #include <time.h> |
| |
| #define MAXNRVALS 32 |
| |
| enum { |
| SRVPROC2_SZ = 18, |
| CLTPROC2_SZ = 18, |
| SRVPROC3_SZ = 22, |
| CLTPROC3_SZ = 22, |
| SRVPROC4_SZ = 2, |
| CLTPROC4_SZ = 59, |
| SRVPROC4OPS_SZ = 71, |
| }; |
| |
| static unsigned int srvproc2info[SRVPROC2_SZ+2], |
| srvproc2info_old[SRVPROC2_SZ+2]; /* NFSv2 call counts ([0] == 18) */ |
| static unsigned int cltproc2info[CLTPROC2_SZ+2], |
| cltproc2info_old[CLTPROC2_SZ+2]; /* NFSv2 call counts ([0] == 18) */ |
| static unsigned int srvproc3info[SRVPROC3_SZ+2], |
| srvproc3info_old[SRVPROC3_SZ+2]; /* NFSv3 call counts ([0] == 22) */ |
| static unsigned int cltproc3info[CLTPROC3_SZ+2], |
| cltproc3info_old[CLTPROC3_SZ+2]; /* NFSv3 call counts ([0] == 22) */ |
| static unsigned int srvproc4info[SRVPROC4_SZ+2], |
| srvproc4info_old[SRVPROC4_SZ+2]; /* NFSv4 call counts ([0] == 2) */ |
| static unsigned int cltproc4info[CLTPROC4_SZ+2], |
| cltproc4info_old[CLTPROC4_SZ+2]; /* NFSv4 call counts ([0] == 49) */ |
| static unsigned int srvproc4opsinfo[SRVPROC4OPS_SZ+2], |
| srvproc4opsinfo_old[SRVPROC4OPS_SZ+2]; /* NFSv4 call counts ([0] == 59) */ |
| static unsigned int srvnetinfo[5], srvnetinfo_old[5]; /* 0 # of received packets |
| * 1 UDP packets |
| * 2 TCP packets |
| * 3 TCP connections |
| */ |
| static unsigned int cltnetinfo[5], cltnetinfo_old[5]; /* 0 # of received packets |
| * 1 UDP packets |
| * 2 TCP packets |
| * 3 TCP connections |
| */ |
| |
| static unsigned int srvrpcinfo[6], srvrpcinfo_old[6]; /* 0 total # of RPC calls |
| * 1 total # of bad calls |
| * 2 bad format |
| * 3 authentication failed |
| * 4 unknown client |
| */ |
| static unsigned int cltrpcinfo[4], cltrpcinfo_old[4]; /* 0 total # of RPC calls |
| * 1 retransmitted calls |
| * 2 cred refreshs |
| */ |
| |
| static unsigned int srvrcinfo[9], srvrcinfo_old[9]; /* 0 repcache hits |
| * 1 repcache hits |
| * 2 uncached reqs |
| * (for pre-2.4 kernels:) |
| * 3 FH lookups |
| * 4 'anon' FHs |
| * 5 noncached non-directories |
| * 6 noncached directories |
| * 7 stale |
| */ |
| |
| static unsigned int srvfhinfo[7], srvfhinfo_old[7]; /* (for kernels >= 2.4.0) |
| * 0 stale |
| * 1 FH lookups |
| * 2 'anon' FHs |
| * 3 noncached directories |
| * 4 noncached non-directories |
| * leave hole to relocate stale for order |
| * compatability. |
| */ |
| |
| static unsigned int srvioinfo[3], srvioinfo_old[3]; /* 0 bytes read |
| * 1 bytes written |
| */ |
| |
| static unsigned int srvrainfo[13], srvrainfo_old[13]; /* 0 ra cache size |
| * 1..11 depth of ra cache hit |
| * 12 ra cache misses |
| */ |
| |
| static const char * nfsv2name[SRVPROC2_SZ] = { |
| "null", "getattr", "setattr", "root", "lookup", "readlink", |
| "read", "wrcache", "write", "create", "remove", "rename", |
| "link", "symlink", "mkdir", "rmdir", "readdir", "fsstat" |
| }; |
| |
| static const char * nfsv3name[SRVPROC3_SZ] = { |
| "null", "getattr", "setattr", "lookup", "access", "readlink", |
| "read", "write", "create", "mkdir", "symlink", "mknod", |
| "remove", "rmdir", "rename", "link", "readdir", "readdirplus", |
| "fsstat", "fsinfo", "pathconf", "commit" |
| }; |
| |
| static const char * nfssrvproc4name[SRVPROC4_SZ] = { |
| "null", |
| "compound", |
| }; |
| |
| static const char * nfscltproc4name[CLTPROC4_SZ] = { |
| "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", "getacl", |
| "setacl", "fs_locations", |
| "rel_lkowner", "secinfo", "fsid_present", |
| /* nfsv4.1 client ops */ |
| "exchange_id", |
| "create_session", |
| "destroy_session", |
| "sequence", |
| "get_lease_time", |
| "reclaim_comp", |
| "layoutget", |
| "getdevinfo", |
| "layoutcommit", |
| "layoutreturn", |
| "secinfo_no", |
| "test_stateid", |
| "free_stateid", |
| "getdevicelist", |
| "bind_conn_to_ses", |
| "destroy_clientid", |
| /* nfsv4.2 client ops */ |
| "seek", |
| "allocate", |
| "deallocate", |
| "layoutstats", |
| "clone", |
| }; |
| |
| static const char * nfssrvproc4opname[SRVPROC4OPS_SZ] = { |
| "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", |
| /* nfsv4.1 server ops */ |
| "bc_ctl", |
| "bind_conn", |
| "exchange_id", |
| "create_ses", |
| "destroy_ses", |
| "free_stateid", |
| "getdirdeleg", |
| "getdevinfo", |
| "getdevlist", |
| "layoutcommit", |
| "layoutget", |
| "layoutreturn", |
| "secinfononam", |
| "sequence", |
| "set_ssv", |
| "test_stateid", |
| "want_deleg", |
| "destroy_clid", |
| "reclaim_comp", |
| /* nfsv4.2 server ops */ |
| "allocate", |
| "copy", |
| "copy_notify", |
| "deallocate", |
| "ioadvise", |
| "layouterror", |
| "layoutstats", |
| "offloadcancel", |
| "offloadstatus", |
| "readplus", |
| "seek", |
| "write_same", |
| }; |
| |
| #define LABEL_srvnet "Server packet stats:\n" |
| #define LABEL_srvrpc "Server rpc stats:\n" |
| #define LABEL_srvrc "Server reply cache:\n" |
| #define LABEL_srvfh "Server file handle cache:\n" |
| #define LABEL_srvio "Server io stats:\n" |
| #define LABEL_srvra "Server read ahead cache:\n" |
| #define LABEL_srvproc2 "Server nfs v2:\n" |
| #define LABEL_srvproc3 "Server nfs v3:\n" |
| #define LABEL_srvproc4 "Server nfs v4:\n" |
| #define LABEL_srvproc4ops "Server nfs v4 operations:\n" |
| #define LABEL_cltnet "Client packet stats:\n" |
| #define LABEL_cltrpc "Client rpc stats:\n" |
| #define LABEL_cltproc2 "Client nfs v2:\n" |
| #define LABEL_cltproc3 "Client nfs v3:\n" |
| #define LABEL_cltproc4 "Client nfs v4:\n" |
| |
| typedef struct statinfo { |
| char *tag; |
| char *label; |
| int nrvals; |
| unsigned int * valptr; |
| } statinfo; |
| |
| /* |
| * We now build the arrays of statinfos using macros, which will make it easier |
| * to add new variables for --sleep. e.g., SRV(net) expands into the struct |
| * statinfo: { "net", "Server packet stats:\n", 5, srvnetinfo } |
| */ |
| #define ARRAYSIZE(x) sizeof(x)/sizeof(*x) |
| #define STATINFO(k, t, s...) { #t, LABEL_##k##t, ARRAYSIZE(k##t##info##s), k##t##info##s } |
| #define SRV(t, s...) STATINFO(srv, t, s) |
| #define CLT(t, s...) STATINFO(clt, t, s) |
| #define DECLARE_SRV(n, s...) static statinfo n##s[] = { \ |
| SRV(net,s), \ |
| SRV(rpc,s), \ |
| SRV(rc,s), \ |
| SRV(fh,s), \ |
| SRV(io,s), \ |
| SRV(ra,s), \ |
| SRV(proc2,s), \ |
| SRV(proc3,s),\ |
| SRV(proc4,s), \ |
| SRV(proc4ops,s),\ |
| { NULL, NULL, 0, NULL }\ |
| } |
| #define DECLARE_CLT(n, s...) static statinfo n##s[] = { \ |
| CLT(net,s), \ |
| CLT(rpc,s), \ |
| CLT(proc2,s),\ |
| CLT(proc3,s), \ |
| CLT(proc4,s),\ |
| { NULL, NULL, 0, NULL }\ |
| } |
| DECLARE_SRV(srvinfo); |
| DECLARE_SRV(srvinfo, _old); |
| DECLARE_CLT(cltinfo); |
| DECLARE_CLT(cltinfo, _old); |
| |
| static void print_all_stats(int, int, int); |
| static void print_server_stats(int); |
| static void print_client_stats(int); |
| static void print_stats_list(int, int, int); |
| static void print_numbers(const char *, unsigned int *, |
| unsigned int); |
| static void print_callstats(const char *, const char **, |
| unsigned int *, unsigned int); |
| static void print_callstats_list(const char *, const char **, |
| unsigned int *, unsigned int); |
| static int parse_raw_statfile(const char *, struct statinfo *); |
| static int parse_pretty_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 *, struct statinfo *, int *, int, |
| int); |
| static int has_stats(const unsigned int *, int); |
| static int has_rpcstats(const unsigned int *, int); |
| static void diff_stats(struct statinfo *, struct statinfo *, int); |
| static void unpause(int); |
| static void update_old_counters(struct statinfo *, struct statinfo *); |
| |
| static time_t starttime; |
| |
| #define PRNT_CALLS 0x0001 |
| #define PRNT_RPC 0x0002 |
| #define PRNT_NET 0x0004 |
| #define PRNT_FH 0x0008 |
| #define PRNT_RC 0x0010 |
| #define PRNT_IO 0x0020 |
| #define PRNT_RA 0x0040 |
| #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 |
| }; |
| |
| static void usage(char *name) |
| { |
| printf("Usage: %s [OPTION]...\n\ |
| \n\ |
| -m, --mounts Show statistics on mounted NFS filesystems\n\ |
| -c, --client Show NFS client statistics\n\ |
| -s, --server Show NFS server statistics\n\ |
| -2 Show NFS version 2 statistics\n\ |
| -3 Show NFS version 3 statistics\n\ |
| -4 Show NFS version 4 statistics\n\ |
| -o [facility] Show statistics on particular facilities.\n\ |
| nfs NFS protocol information\n\ |
| rpc General RPC information\n\ |
| net Network layer statistics\n\ |
| fh Usage information on the server's file handle cache\n\ |
| io Usage information on the server's io statistics\n\ |
| ra Usage information on the server's read ahead cache\n\ |
| rc Usage information on the server's request reply cache\n\ |
| all Select all of the above\n\ |
| -v, --verbose, --all Same as '-o all'\n\ |
| -r, --rpc Show RPC statistics\n\ |
| -n, --nfs Show NFS statistics\n\ |
| -Z[#], --sleep[=#] Collects stats until interrupted.\n\ |
| Cumulative stats are then printed\n\ |
| If # is provided, stats will be output every\n\ |
| # seconds.\n\ |
| -S, --since file Shows difference between current stats and those in 'file'\n\ |
| -l, --list Prints stats in list format\n\ |
| --version Show program version\n\ |
| --help What 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' }, |
| { "sleep", 2, 0, 'Z' }, |
| { "since", 1, 0, 'S' }, |
| { "list", 0, 0, 'l' }, |
| { NULL, 0, 0, 0 } |
| }; |
| int opt_sleep; |
| |
| int |
| main(int argc, char **argv) |
| { |
| int opt_all = 0, |
| opt_srv = 0, |
| opt_clt = 0, |
| opt_prt = 0, |
| sleep_time = 0, |
| opt_list =0, |
| opt_since = 0; |
| int c; |
| char *progname, |
| *serverfile = NFSSRVSTAT, |
| *clientfile = NFSCLTSTAT; |
| |
| struct statinfo *serverinfo = srvinfo, |
| *serverinfo_tmp = srvinfo_old, |
| *clientinfo = cltinfo, |
| *clientinfo_tmp = cltinfo_old; |
| |
| struct sigaction act = { |
| .sa_handler = unpause, |
| .sa_flags = SA_RESETHAND, |
| }; |
| |
| if ((progname = strrchr(argv[0], '/'))) |
| progname++; |
| else |
| progname = argv[0]; |
| |
| while ((c = getopt_long(argc, argv, "234acmno:Z::S:vrslz\1\2", longopts, NULL)) != EOF) { |
| switch (c) { |
| case 'a': |
| fprintf(stderr, "nfsstat: nfs acls are not yet supported.\n"); |
| return 1; |
| case 'c': |
| opt_clt = 1; |
| break; |
| case 'n': |
| opt_prt |= PRNT_CALLS; |
| break; |
| case 'o': |
| if (!strcmp(optarg, "nfs")) |
| opt_prt |= PRNT_CALLS; |
| else if (!strcmp(optarg, "rpc")) |
| opt_prt |= PRNT_RPC; |
| else if (!strcmp(optarg, "net")) |
| opt_prt |= PRNT_NET; |
| else if (!strcmp(optarg, "rc")) |
| opt_prt |= PRNT_RC; |
| else if (!strcmp(optarg, "fh")) |
| opt_prt |= PRNT_FH; |
| else if (!strcmp(optarg, "io")) |
| opt_prt |= PRNT_IO; |
| else if (!strcmp(optarg, "ra")) |
| opt_prt |= PRNT_RA; |
| else if (!strcmp(optarg, "all")) |
| opt_prt |= PRNT_CALLS | PRNT_RPC | PRNT_NET | PRNT_RC | PRNT_FH | PRNT_IO | PRNT_RA; |
| else { |
| fprintf(stderr, "nfsstat: unknown category: " |
| "%s\n", optarg); |
| return 2; |
| } |
| break; |
| case 'Z': |
| opt_sleep = 1; |
| if (optarg) { |
| sleep_time = atoi(optarg); |
| } |
| break; |
| case 'S': |
| opt_since = 1; |
| serverfile = optarg; |
| clientfile = optarg; |
| 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; |
| case 's': |
| opt_srv = 1; |
| break; |
| case 'l': |
| opt_list = 1; |
| break; |
| case 'z': |
| 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; |
| } |
| if (!(opt_srv + opt_clt)) |
| opt_srv = opt_clt = 1; |
| 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|PRNT_IO|PRNT_RA)) && !opt_srv) { |
| fprintf(stderr, |
| "You requested fh/io/ra/rc " |
| "statistics while using the -c option.\n" |
| "This information is available only for the NFS " |
| "server.\n"); |
| } |
| |
| if (opt_since || opt_sleep) { |
| serverinfo = srvinfo_old; |
| serverinfo_tmp = srvinfo; |
| clientinfo = cltinfo_old; |
| clientinfo_tmp = cltinfo; |
| } |
| |
| if (opt_srv) |
| get_stats(serverfile, serverinfo, &opt_srv, opt_clt, 1); |
| if (opt_clt) |
| get_stats(clientfile, clientinfo, &opt_clt, opt_srv, 0); |
| |
| if (opt_sleep && !sleep_time) { |
| starttime = time(NULL); |
| printf("Collecting statistics; press CTRL-C to view results from interval (i.e., from pause to CTRL-C).\n"); |
| if (sigaction(SIGINT, &act, NULL) != 0) { |
| fprintf(stderr, "Error: couldn't register for signal and pause.\n"); |
| return 1; |
| } |
| pause(); |
| } |
| |
| if (opt_since || (opt_sleep && !sleep_time)) { |
| if (opt_srv) { |
| get_stats(NFSSRVSTAT, serverinfo_tmp, &opt_srv, opt_clt, 1); |
| diff_stats(serverinfo_tmp, serverinfo, 1); |
| } |
| if (opt_clt) { |
| get_stats(NFSCLTSTAT, clientinfo_tmp, &opt_clt, opt_srv, 0); |
| diff_stats(clientinfo_tmp, clientinfo, 0); |
| } |
| } |
| if(sleep_time) { |
| while(1) { |
| if (opt_srv) { |
| get_stats(NFSSRVSTAT, serverinfo_tmp , &opt_srv, opt_clt, 1); |
| diff_stats(serverinfo_tmp, serverinfo, 1); |
| } |
| if (opt_clt) { |
| get_stats(NFSCLTSTAT, clientinfo_tmp, &opt_clt, opt_srv, 0); |
| diff_stats(clientinfo_tmp, clientinfo, 0); |
| } |
| if (opt_list) { |
| print_stats_list(opt_srv, opt_clt, opt_prt); |
| } else { |
| print_all_stats(opt_srv, opt_clt, opt_prt); |
| } |
| fflush(stdout); |
| |
| if (opt_srv) |
| update_old_counters(serverinfo_tmp, serverinfo); |
| if (opt_clt) |
| update_old_counters(clientinfo_tmp, clientinfo); |
| |
| sleep(sleep_time); |
| } |
| } else { |
| if (opt_list) { |
| print_stats_list(opt_srv, opt_clt, opt_prt); |
| } else { |
| print_all_stats(opt_srv, opt_clt, opt_prt); |
| } |
| } |
| |
| return 0; |
| } |
| |
| static void |
| print_all_stats (int opt_srv, int opt_clt, int opt_prt) |
| { |
| if (opt_srv) |
| print_server_stats(opt_prt); |
| |
| if (opt_clt) |
| print_client_stats(opt_prt); |
| } |
| |
| static void |
| print_server_stats(int opt_prt) |
| { |
| if (opt_prt & PRNT_NET) { |
| if (opt_sleep && !has_rpcstats(srvnetinfo, 4)) { |
| } else { |
| print_numbers( LABEL_srvnet |
| "packets udp tcp tcpconn\n", |
| srvnetinfo, 4); |
| printf("\n"); |
| } |
| } |
| if (opt_prt & PRNT_RPC) { |
| if (opt_sleep && !has_rpcstats(srvrpcinfo, 5)) { |
| ; |
| } else { |
| print_numbers(LABEL_srvrpc |
| "calls badcalls badfmt badauth badclnt\n", |
| srvrpcinfo, 5); |
| printf("\n"); |
| } |
| } |
| if (opt_prt & PRNT_RC) { |
| if (opt_sleep && !has_rpcstats(srvrcinfo, 3)) { |
| ; |
| } else { |
| print_numbers(LABEL_srvrc |
| "hits misses nocache\n", |
| srvrcinfo, 3); |
| printf("\n"); |
| } |
| } |
| if (opt_prt & PRNT_IO) { |
| if (opt_sleep && !has_rpcstats(srvioinfo, 3)) { |
| ; |
| } else { |
| print_numbers(LABEL_srvio |
| "read write\n", |
| srvioinfo, 2); |
| printf("\n"); |
| } |
| } |
| if (opt_prt & PRNT_RA) { |
| if (opt_sleep && !has_rpcstats(srvrainfo, 3)) { |
| ; |
| } else { |
| print_numbers(LABEL_srvra |
| "size 0-10% 10-20% 20-30% 30-40% 40-50% 50-60% 60-70% 70-80% 80-90% 90-100% notfound\n", |
| srvrainfo, 12); |
| printf("\n"); |
| } |
| } |
| |
| /* |
| * 2.2 puts all fh-related info after the 'rc' header |
| * 2.4 puts all fh-related info after the 'fh' header, but relocates |
| * 'stale' to the start and swaps dir and nondir :-( |
| * We preseve the 2.2 order |
| */ |
| if (opt_prt & PRNT_FH) { |
| if (get_stat_info("fh", srvinfo)) { /* >= 2.4 */ |
| int t = srvfhinfo[3]; |
| srvfhinfo[3]=srvfhinfo[4]; |
| srvfhinfo[4]=t; |
| |
| srvfhinfo[5]=srvfhinfo[0]; /* relocate 'stale' */ |
| |
| print_numbers( |
| LABEL_srvfh |
| "lookup anon ncachedir ncachenondir stale\n", |
| srvfhinfo + 1, 5); |
| } else /* < 2.4 */ |
| print_numbers( |
| LABEL_srvfh |
| "lookup anon ncachedir ncachedir stale\n", |
| srvrcinfo + 3, 5); |
| printf("\n"); |
| } |
| if (opt_prt & PRNT_CALLS) { |
| int has_v2_stats = has_stats(srvproc2info, SRVPROC2_SZ+2); |
| int has_v3_stats = has_stats(srvproc3info, SRVPROC3_SZ+2); |
| int has_v4_stats = has_stats(srvproc4info, SRVPROC4_SZ+2); |
| |
| if ((opt_prt & PRNT_V2) || |
| ((opt_prt & PRNT_AUTO) && has_v2_stats)) { |
| if (!opt_sleep || has_v2_stats) { |
| print_callstats(LABEL_srvproc2, |
| nfsv2name, srvproc2info + 1, |
| sizeof(nfsv2name)/sizeof(char *)); |
| } |
| } |
| if ((opt_prt & PRNT_V3) || |
| ((opt_prt & PRNT_AUTO) && has_v3_stats)) { |
| if (!opt_sleep || has_v3_stats) { |
| print_callstats(LABEL_srvproc3, |
| nfsv3name, srvproc3info + 1, |
| sizeof(nfsv3name)/sizeof(char *)); |
| } |
| } |
| if ((opt_prt & PRNT_V4) || |
| ((opt_prt & PRNT_AUTO) && has_v4_stats)) { |
| if (!opt_sleep || has_v4_stats) { |
| print_callstats( LABEL_srvproc4, |
| nfssrvproc4name, srvproc4info + 1, |
| sizeof(nfssrvproc4name)/sizeof(char *)); |
| print_callstats(LABEL_srvproc4ops, |
| nfssrvproc4opname, srvproc4opsinfo + 1, |
| sizeof(nfssrvproc4opname)/sizeof(char *)); |
| } |
| } |
| } |
| } |
| static void |
| print_client_stats(int opt_prt) |
| { |
| if (opt_prt & PRNT_NET) { |
| if (opt_sleep && !has_rpcstats(cltnetinfo, 4)) { |
| ; |
| } else { |
| print_numbers(LABEL_cltnet |
| "packets udp tcp tcpconn\n", |
| cltnetinfo, 4); |
| printf("\n"); |
| } |
| } |
| if (opt_prt & PRNT_RPC) { |
| if (opt_sleep && !has_rpcstats(cltrpcinfo, 3)) { |
| ; |
| } else { |
| print_numbers(LABEL_cltrpc |
| "calls retrans authrefrsh\n", |
| cltrpcinfo, 3); |
| printf("\n"); |
| } |
| } |
| if (opt_prt & PRNT_CALLS) { |
| int has_v2_stats = has_stats(cltproc2info, CLTPROC2_SZ+2); |
| int has_v3_stats = has_stats(cltproc3info, CLTPROC3_SZ+2); |
| int has_v4_stats = has_stats(cltproc4info, CLTPROC4_SZ+2); |
| if ((opt_prt & PRNT_V2) || |
| ((opt_prt & PRNT_AUTO) && has_v2_stats)) { |
| if (!opt_sleep || has_v2_stats) { |
| print_callstats(LABEL_cltproc2, |
| nfsv2name, cltproc2info + 1, |
| sizeof(nfsv2name)/sizeof(char *)); |
| } |
| } |
| if ((opt_prt & PRNT_V3) || |
| ((opt_prt & PRNT_AUTO) && has_v3_stats)) { |
| if (!opt_sleep || has_v3_stats) { |
| print_callstats(LABEL_cltproc3, |
| nfsv3name, cltproc3info + 1, |
| sizeof(nfsv3name)/sizeof(char *)); |
| } |
| } |
| if ((opt_prt & PRNT_V4) || |
| ((opt_prt & PRNT_AUTO) && has_v4_stats)) { |
| if (!opt_sleep || has_v4_stats) { |
| print_callstats(LABEL_cltproc4, |
| nfscltproc4name, cltproc4info + 1, |
| sizeof(nfscltproc4name)/sizeof(char *)); |
| } |
| } |
| } |
| } |
| |
| static void |
| print_clnt_list(int opt_prt) |
| { |
| if (opt_prt & PRNT_CALLS) { |
| int has_v2_stats = has_stats(cltproc2info, CLTPROC2_SZ+2); |
| int has_v3_stats = has_stats(cltproc3info, CLTPROC3_SZ+2); |
| int has_v4_stats = has_stats(cltproc4info, CLTPROC4_SZ+2); |
| if ((opt_prt & PRNT_V2) || |
| ((opt_prt & PRNT_AUTO) && has_v2_stats)) { |
| if (!opt_sleep || has_v2_stats) { |
| print_callstats_list("nfs v2 client", |
| nfsv2name, cltproc2info + 1, |
| sizeof(nfsv2name)/sizeof(char *)); |
| } |
| } |
| if ((opt_prt & PRNT_V3) || |
| ((opt_prt & PRNT_AUTO) && has_v3_stats)) { |
| if (!opt_sleep || has_v3_stats) { |
| print_callstats_list("nfs v3 client", |
| nfsv3name, cltproc3info + 1, |
| sizeof(nfsv3name)/sizeof(char *)); |
| } |
| } |
| if ((opt_prt & PRNT_V4) || |
| ((opt_prt & PRNT_AUTO) && has_v4_stats)) { |
| if (!opt_sleep || has_v4_stats) { |
| print_callstats_list("nfs v4 client", |
| nfscltproc4name, cltproc4info + 1, |
| sizeof(nfscltproc4name)/sizeof(char *)); |
| } |
| } |
| } |
| } |
| static void |
| print_serv_list(int opt_prt) |
| { |
| if (opt_prt & PRNT_CALLS) { |
| int has_v2_stats = has_stats(srvproc2info, SRVPROC2_SZ+2); |
| int has_v3_stats = has_stats(srvproc3info, SRVPROC3_SZ+2); |
| int has_v4_stats = has_stats(srvproc4info, SRVPROC4_SZ+2); |
| if ((opt_prt & PRNT_V2) || |
| ((opt_prt & PRNT_AUTO) && has_v2_stats)) { |
| if (!opt_sleep || has_v2_stats) { |
| print_callstats_list("nfs v2 server", |
| nfsv2name, srvproc2info + 1, |
| sizeof(nfsv2name)/sizeof(char *)); |
| } |
| } |
| if ((opt_prt & PRNT_V3) || |
| ((opt_prt & PRNT_AUTO) && has_v3_stats)) { |
| if (!opt_sleep || has_v3_stats) { |
| print_callstats_list("nfs v3 server", |
| nfsv3name, srvproc3info + 1, |
| sizeof(nfsv3name)/sizeof(char *)); |
| } |
| } |
| if ((opt_prt & PRNT_V4) || |
| ((opt_prt & PRNT_AUTO) && has_v4_stats)) { |
| if (!opt_sleep || has_v4_stats) { |
| print_callstats_list("nfs v4 server", |
| nfssrvproc4name, srvproc4info + 1, |
| sizeof(nfssrvproc4name)/sizeof(char *)); |
| print_callstats_list("nfs v4 servop", |
| nfssrvproc4opname, srvproc4opsinfo + 1, |
| sizeof(nfssrvproc4opname)/sizeof(char *)); |
| } |
| } |
| } |
| } |
| static void |
| print_stats_list(int opt_srv, int opt_clt, int opt_prt) |
| { |
| if (opt_srv) |
| print_serv_list(opt_prt); |
| |
| if (opt_clt) |
| print_clnt_list(opt_prt); |
| } |
| |
| static statinfo * |
| get_stat_info(const char *sp, struct statinfo *statp) |
| { |
| struct statinfo *ip; |
| |
| for (ip = statp; ip->tag; ip++) { |
| if (!strcmp(sp, ip->tag)) |
| return ip; |
| } |
| |
| return NULL; |
| } |
| |
| static void |
| print_numbers(const char *hdr, unsigned int *info, unsigned int nr) |
| { |
| unsigned int i; |
| |
| fputs(hdr, stdout); |
| for (i = 0; i < nr; i++) |
| printf("%s%-8u", i? " " : "", info[i]); |
| printf("\n"); |
| } |
| |
| static void |
| print_callstats(const char *hdr, const char **names, |
| unsigned int *info, unsigned int nr) |
| { |
| unsigned long long total; |
| unsigned long long pct; |
| unsigned int i, j; |
| |
| fputs(hdr, stdout); |
| for (i = 0, total = 0; i < nr; i++) |
| total += info[i]; |
| if (!total) |
| total = 1; |
| for (i = 0; i < nr; i += 5) { |
| for (j = 0; j < 5 && i + j < nr; j++) |
| printf("%-17s", names[i+j]); |
| printf("\n"); |
| for (j = 0; j < 5 && i + j < nr; j++) { |
| pct = ((unsigned long long) info[i+j]*100)/total; |
| printf("%-8u%3llu%% ", info[i+j], pct); |
| } |
| printf("\n"); |
| } |
| printf("\n"); |
| } |
| |
| static void |
| print_callstats_list(const char *hdr, const char **names, |
| unsigned int *callinfo, unsigned int nr) |
| { |
| unsigned long long calltotal; |
| unsigned int i; |
| |
| for (i = 0, calltotal = 0; i < nr; i++) { |
| calltotal += callinfo[i]; |
| } |
| if (!calltotal) |
| return; |
| printf("%13s %13s %8llu \n", hdr, "total:", calltotal); |
| printf("------------- ------------- --------\n"); |
| for (i = 0; i < nr; i++) { |
| if (callinfo[i]) |
| printf("%13s %12s: %8u \n", hdr, names[i], callinfo[i]); |
| } |
| printf("\n"); |
| |
| } |
| |
| |
| /* returns 0 on success, 1 otherwise */ |
| static int |
| parse_raw_statfile(const char *name, struct statinfo *statp) |
| { |
| 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 1; |
| } |
| |
| while (fgets(buffer, sizeof(buffer), fp) != NULL) { |
| struct statinfo *ip; |
| char *sp, *line = buffer; |
| unsigned int i, cnt; |
| unsigned int total = 0; |
| |
| if ((next = strchr(line, '\n')) != NULL) |
| *next++ = '\0'; |
| if (!(sp = strtok(line, " \t"))) |
| continue; |
| |
| ip = get_stat_info(sp, statp); |
| if (!ip) |
| continue; |
| |
| cnt = ip->nrvals; |
| |
| for (i = 0; i < cnt; i++) { |
| if (!(sp = strtok(NULL, " \t"))) |
| break; |
| ip->valptr[i] = (unsigned int) strtoul(sp, NULL, 0); |
| total += ip->valptr[i]; |
| } |
| ip->valptr[cnt - 1] = total; |
| } |
| |
| fclose(fp); |
| return 0; |
| } |
| |
| /* returns 0 on success, 1 otherwise */ |
| static int |
| parse_pretty_statfile(const char *filename, struct statinfo *info) |
| { |
| int numvals, curindex, numconsumed, n, err = 1; |
| unsigned int sum; |
| char buf[4096], *bufp, *fmt, is_proc; |
| FILE *fp = NULL; |
| struct statinfo *ip; |
| |
| if ((fp = fopen(filename, "r")) == NULL) |
| //err(2, "Unable to open statfile '%s'.\n", filename); |
| goto out; |
| |
| while (fgets(buf, sizeof(buf), fp) != NULL) { |
| for (ip = info; ip->tag; ip++) { |
| if (strcmp(buf, ip->label)) |
| continue; |
| |
| sum = 0; |
| numvals = ip->nrvals - 1; |
| is_proc = strncmp("proc", ip->tag, 4) ? 0 : 1; |
| if (is_proc) { |
| fmt = " %u %*u%% %n"; |
| curindex = 1; |
| ip->valptr[0] = 0; |
| } else { |
| fmt = " %u %n"; |
| curindex = 0; |
| } |
| more_stats: |
| /* get (and skip) header */ |
| if (fgets(buf, sizeof(buf), fp) == NULL) { |
| fprintf(stderr, "Failed to locate header after " |
| "label for '%s' in %s.\n", |
| ip->tag, filename); |
| goto out; |
| } |
| /* no header -- done with this "tag" */ |
| if (*buf == '\n') { |
| ip->valptr[numvals] = sum; |
| break; |
| } |
| /* get stats */ |
| if (fgets(buf, sizeof(buf), fp) == NULL) { |
| fprintf(stderr, "Failed to locate stats after " |
| "header for '%s' in %s.\n", |
| ip->tag, filename); |
| goto out; |
| } |
| bufp = buf; |
| for (; curindex < numvals; curindex++) { |
| #pragma GCC diagnostic ignored "-Wformat-nonliteral" |
| n = sscanf(bufp, fmt, &ip->valptr[curindex], |
| &numconsumed); |
| #pragma GCC diagnostic warning "-Wformat-nonliteral" |
| if (n != 1) |
| break; |
| if (is_proc) { |
| ip->valptr[0]++; |
| sum++; |
| } |
| sum += ip->valptr[curindex]; |
| bufp += numconsumed; |
| } |
| goto more_stats; |
| } |
| } |
| err = 0; |
| out: |
| if (fp) |
| fclose(fp); |
| return err; |
| } |
| |
| 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: %s\n", name, strerror(errno)); |
| 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") && strcmp(type,"nfs4")) { |
| 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, struct statinfo *info, int *opt, int other_opt, |
| int is_srv) |
| { |
| FILE *fp; |
| char buf[10]; |
| int err = 1; |
| char *label = is_srv ? "Server" : "Client"; |
| |
| /* try to guess what type of stat file we're dealing with */ |
| if ((fp = fopen(file, "r")) == NULL) |
| goto out; |
| if (fgets(buf, 10, fp) == NULL) |
| goto out; |
| if (!strncmp(buf, "net ", 4)) { |
| /* looks like raw client stats */ |
| if (is_srv) { |
| fprintf(stderr, "Warning: no server info present in " |
| "raw client stats file.\n"); |
| *opt = 0; |
| } else |
| err = parse_raw_statfile(file, info); |
| } else if (!strncmp(buf, "rc ", 3)) { |
| /* looks like raw server stats */ |
| if (!is_srv) { |
| fprintf(stderr, "Warning: no client info present in " |
| "raw server stats file.\n"); |
| *opt = 0; |
| } else |
| err = parse_raw_statfile(file, info); |
| } else |
| /* looks like pretty client and server stats */ |
| err = parse_pretty_statfile(file, info); |
| out: |
| if (fp) |
| fclose(fp); |
| if (err) { |
| if (!other_opt) { |
| fprintf(stderr, "Error: No %s Stats (%s: %s). \n", |
| label, file, strerror(errno)); |
| exit(2); |
| } |
| *opt = 0; |
| } |
| } |
| |
| /* |
| * This is for proc2/3/4-type stats, where, in the /proc files, the first entry's value |
| * denotes the number of subsequent entries. statinfo value arrays contain an additional |
| * field at the end which contains the sum of all previous elements in the array -- so, |
| * there are stats if the sum's greater than the entry-count. |
| */ |
| static int |
| has_stats(const unsigned int *info, int nr) |
| { |
| return (info[0] && info[nr-1] > info[0]); |
| } |
| static int |
| has_rpcstats(const unsigned int *info, int size) |
| { |
| int i, cnt; |
| |
| for (i=0, cnt=0; i < size; i++) |
| cnt += info[i]; |
| return cnt; |
| } |
| |
| /* |
| * take the difference of each individual stat value in 'new' and 'old' |
| * and store the results back into 'new' |
| */ |
| static void |
| diff_stats(struct statinfo *new, struct statinfo *old, int is_srv) |
| { |
| int i, j, nodiff_first_index, should_diff; |
| |
| /* |
| * Different stat types have different formats in the /proc |
| * files: for the proc2/3/4-type stats, the first entry has |
| * the total number of subsequent entries; one does not want |
| * to diff that first entry. The other stat types aren't like |
| * this. So, we diff a given entry if it's not of one of the |
| * procX types ("i" < 2 for clt, < 4 for srv), or if it's not |
| * the first entry ("j" > 0). |
| */ |
| nodiff_first_index = 2 + (2 * is_srv); |
| |
| for (i = 0; old[i].tag; i++) { |
| for (j = 0; j < new[i].nrvals; j++) { |
| should_diff = (i < nodiff_first_index || j > 0); |
| if (should_diff) |
| new[i].valptr[j] -= old[i].valptr[j]; |
| } |
| |
| /* |
| * Make sure that the "totals" entry (last value in |
| * each stat array) for the procX-type stats has the |
| * "numentries" entry's (first value in procX-type |
| * stat arrays) constant value added-back after the |
| * diff -- i.e., it should always be included in the |
| * total. |
| */ |
| if (!strncmp("proc", new[i].tag, 4) && old[i].valptr[0]) |
| new[i].valptr[new[i].nrvals - 1] += new[i].valptr[0]; |
| } |
| } |
| |
| static void |
| unpause(int sig) |
| { |
| double time_diff; |
| int minutes, seconds; |
| time_t endtime; |
| |
| endtime = time(NULL); |
| time_diff = difftime(endtime, starttime); |
| minutes = time_diff / 60; |
| seconds = (int)time_diff % 60; |
| printf("Signal %d received; displaying (only) statistics gathered over the last %d minutes, %d seconds:\n\n", sig, minutes, seconds); |
| } |
| |
| static void |
| update_old_counters(struct statinfo *new, struct statinfo *old) |
| { |
| int z, i; |
| for (z = 0; old[z].tag; z++) |
| for (i = 0; i <= old[z].nrvals; i++) |
| old[z].valptr[i] += new[z].valptr[i]; |
| |
| } |
