/*
* nfsstat.c Output NFS statistics
*
- * Copyright (C) 1995, 1996, 1999 Olaf Kirch <okir@monad.swb.de>
+ * Copyright (C) 1995-2005 Olaf Kirch <okir@suse.de>
*/
-#include "config.h"
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
-#define NFSSVCSTAT "/proc/net/rpc/nfsd"
+#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
-static unsigned int svcv2info[19]; /* NFSv2 call counts ([0] == 18) */
-static unsigned int cltv2info[19]; /* NFSv2 call counts ([0] == 18) */
-static unsigned int svcv3info[22]; /* NFSv3 call counts ([0] == 22) */
-static unsigned int cltv3info[22]; /* NFSv3 call counts ([0] == 22) */
-static unsigned int svcnetinfo[4]; /* 0 # of received packets
- * 1 UDP packets
- * 2 TCP packets
- * 3 TCP connections
- */
-static unsigned int cltnetinfo[4]; /* 0 # of received packets
- * 1 UDP packets
- * 2 TCP packets
- * 3 TCP connections
- */
-
-static unsigned int svcrpcinfo[5]; /* 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
- * 1 retransmitted calls
- * 2 cred refreshs
- */
-
-static unsigned int svcrcinfo[8]; /* 0 repcache hits
- * 1 repcache hits
- * 2 uncached reqs
- *
- * including fh info:
- * 3 cached fh's
- * 4 valid fh's
- * 5 fixup required
- * 6 lookup (?)
- * 7 stale
- */
+static unsigned int srvproc2info[20], srvproc2info_old[20]; /* NFSv2 call counts ([0] == 18) */
+static unsigned int cltproc2info[20], cltproc2info_old[20]; /* NFSv2 call counts ([0] == 18) */
+static unsigned int srvproc3info[24], srvproc3info_old[24]; /* NFSv3 call counts ([0] == 22) */
+static unsigned int cltproc3info[24], cltproc3info_old[24]; /* NFSv3 call counts ([0] == 22) */
+static unsigned int srvproc4info[4], srvproc4info_old[4]; /* NFSv4 call counts ([0] == 2) */
+static unsigned int cltproc4info[49], cltproc4info_old[49]; /* NFSv4 call counts ([0] == 35) */
+static unsigned int srvproc4opsinfo[61], srvproc4opsinfo_old[61]; /* NFSv4 call counts ([0] == 40) */
+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 const char * nfsv2name[18] = {
"null", "getattr", "setattr", "root", "lookup", "readlink",
"fsstat", "fsinfo", "pathconf", "commit"
};
+static const char * nfssrvproc4name[2] = {
+ "null",
+ "compound",
+};
+
+static const char * nfscltproc4name[47] = {
+ "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",
+ /* nfsv4.1 client ops */
+ "exchange_id",
+ "create_ses",
+ "destroy_ses",
+ "sequence",
+ "get_lease_t",
+ "layoutget",
+ "layoutcommit",
+ "layoutreturn",
+ "getdevlist",
+ "getdevinfo",
+ /* nfsv4.1 pnfs client ops to data server only */
+ "ds_write",
+ "ds_commit",
+};
+
+static const char * nfssrvproc4opname[59] = {
+ "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",
+};
+
+#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_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;
-
- /* Filled in by parse_statfile */
- int * foundp;
} statinfo;
-static statinfo svcinfo[] = {
- { "net", 4, svcnetinfo },
- { "rpc", 5, svcrpcinfo },
- { "rc", 8, svcrcinfo }, /* including fh_* */
- { "proc2", 19, svcv2info },
- { "proc3", 23, svcv3info },
- { NULL, 0, 0 }
-};
-
-static statinfo cltinfo[] = {
- { "net", 4, cltnetinfo },
- { "rpc", 3, cltrpcinfo },
- { "proc2", 19, cltv2info },
- { "proc3", 23, cltv3info },
- { NULL, 0, 0 }
-};
+/*
+ * 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(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, int);
+static void print_client_stats(int, 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 int parse_statfile(const char *, struct statinfo *);
+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 *);
+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_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, --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\
+ 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' },
+ { "mounted", 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;
+ 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_ONESHOT,
+ };
+
+ if ((progname = strrchr(argv[0], '/')))
+ progname++;
+ else
+ progname = argv[0];
- while ((c = getopt(argc, argv, "acno:rsz")) != -1) {
+ while ((c = getopt_long(argc, argv, "234acmno:Z::S:vrslz\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;
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 '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;
+ 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 "
"server.\n");
}
- if ((opt_srv && !parse_statfile(NFSSVCSTAT, svcinfo))
- || (opt_clt && !parse_statfile(NFSCLTSTAT, cltinfo)))
- return 2;
+ 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_srv) {
- if (opt_prt & PRNT_NET) {
- print_numbers(
- "Server packet stats:\n"
- "packets udp tcp tcpconn\n",
- svcnetinfo, 4
- );
+ 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;
}
- if (opt_prt & PRNT_RPC) {
- print_numbers(
- "Server rpc stats:\n"
- "calls badcalls badauth badclnt xdrcall\n",
- svcrpcinfo, 5
- );
+ pause();
+ }
+
+ if (opt_since || opt_sleep) {
+ if (opt_srv) {
+ get_stats(NFSSRVSTAT, serverinfo_tmp, &opt_srv, opt_clt, 1);
+ diff_stats(serverinfo_tmp, serverinfo, 1);
}
- if (opt_prt & PRNT_RC) {
- print_numbers(
- "Server reply cache:\n"
- "hits misses nocache\n",
- svcrcinfo, 3
- );
+ if (opt_clt) {
+ get_stats(NFSCLTSTAT, clientinfo_tmp, &opt_clt, opt_srv, 0);
+ diff_stats(clientinfo_tmp, clientinfo, 0);
}
- if (opt_prt & PRNT_FH) {
- print_numbers(
- "Server file handle cache:\n"
- "cached valid fixup lookup stale\n",
- svcrcinfo + 3, 5);
+ }
+ 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);
}
- if (opt_prt & PRNT_CALLS) {
- print_callstats(
- "Server nfs v2:\n",
- nfsv2name, svcv2info + 1, 18
- );
- if (svcv3info[0])
- print_callstats(
- "Server nfs v3:\n",
- nfsv3name, svcv3info + 1, 22
- );
+ }
+
+ return 0;
+}
+
+static void
+print_all_stats (int opt_srv, int opt_clt, int opt_prt)
+{
+ print_server_stats(opt_srv, opt_prt);
+ print_client_stats(opt_clt, opt_prt);
+}
+
+static void
+print_server_stats(int opt_srv, int opt_prt)
+{
+ if (!opt_srv)
+ return;
+
+ 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 badauth badclnt xdrcall\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_clt) {
- if (opt_prt & PRNT_NET) {
+ /*
+ * 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(
- "Client packet stats:\n"
- "packets udp tcp tcpconn\n",
- cltnetinfo, 4
- );
- }
- if (opt_prt & PRNT_RPC) {
+ LABEL_srvfh
+ "lookup anon ncachedir ncachedir stale\n",
+ srvfhinfo + 1, 5);
+ } else /* < 2.4 */
print_numbers(
- "Client rpc stats:\n"
- "calls retrans authrefrsh\n",
- cltrpcinfo, 3
- );
+ LABEL_srvfh
+ "lookup anon ncachedir ncachedir stale\n",
+ srvrcinfo + 3, 5);
+ printf("\n");
+ }
+ if (opt_prt & PRNT_CALLS) {
+ if ((opt_prt & PRNT_V2) ||
+ ((opt_prt & PRNT_AUTO) && has_stats(srvproc2info))) {
+ if (opt_sleep && !has_stats(srvproc2info)) {
+ ;
+ } else {
+ print_callstats(LABEL_srvproc2,
+ nfsv2name, srvproc2info + 1,
+ sizeof(nfsv2name)/sizeof(char *));
+ }
+ }
+ if ((opt_prt & PRNT_V3) ||
+ ((opt_prt & PRNT_AUTO) && has_stats(srvproc3info))) {
+ if (opt_sleep && !has_stats(srvproc3info)) {
+ ;
+ } else {
+ print_callstats(LABEL_srvproc3,
+ nfsv3name, srvproc3info + 1,
+ sizeof(nfsv3name)/sizeof(char *));
+ }
}
- if (opt_prt & PRNT_CALLS) {
- print_callstats(
- "Client nfs v2:\n",
- nfsv2name, cltv2info + 1, 18
- );
- if (cltv3info[0])
- print_callstats(
- "Client nfs v3:\n",
- nfsv3name, cltv3info + 1, 22
- );
+ if ((opt_prt & PRNT_V4) ||
+ ((opt_prt & PRNT_AUTO) && has_stats(srvproc4info))) {
+ if (opt_sleep && !has_stats(srvproc4info)) {
+ ;
+ } else {
+ 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_clt, int opt_prt)
+{
+ if (!opt_clt)
+ return;
- return 0;
+ 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) {
+ if ((opt_prt & PRNT_V2) ||
+ ((opt_prt & PRNT_AUTO) && has_stats(cltproc2info))) {
+ if (opt_sleep && !has_stats(cltproc2info)) {
+ ;
+ } else {
+ print_callstats(LABEL_cltproc2,
+ nfsv2name, cltproc2info + 1,
+ sizeof(nfsv2name)/sizeof(char *));
+ }
+ }
+ if ((opt_prt & PRNT_V3) ||
+ ((opt_prt & PRNT_AUTO) && has_stats(cltproc3info))) {
+ if (opt_sleep && !has_stats(cltproc3info)) {
+ ;
+ } else {
+ print_callstats(LABEL_cltproc3,
+ nfsv3name, cltproc3info + 1,
+ sizeof(nfsv3name)/sizeof(char *));
+ }
+ }
+ if ((opt_prt & PRNT_V4) ||
+ ((opt_prt & PRNT_AUTO) && has_stats(cltproc4info))) {
+ if (opt_sleep && !has_stats(cltproc4info)) {
+ ;
+ } else {
+ print_callstats(LABEL_cltproc4,
+ nfscltproc4name, cltproc4info + 1,
+ sizeof(nfscltproc4name)/sizeof(char *));
+ }
+ }
+ }
+}
+
+static void
+print_clnt_list(int opt_prt)
+{
+ if (opt_prt & PRNT_CALLS) {
+ if ((opt_prt & PRNT_V2) ||
+ ((opt_prt & PRNT_AUTO) && has_stats(cltproc2info))) {
+ if (opt_sleep && !has_stats(cltproc2info)) {
+ ;
+ } else {
+ print_callstats_list("nfs v2 client",
+ nfsv2name, cltproc2info + 1,
+ sizeof(nfsv2name)/sizeof(char *));
+ }
+ }
+ if ((opt_prt & PRNT_V3) ||
+ ((opt_prt & PRNT_AUTO) && has_stats(cltproc3info))) {
+ if (opt_sleep && !has_stats(cltproc3info)) {
+ ;
+ } else {
+ print_callstats_list("nfs v3 client",
+ nfsv3name, cltproc3info + 1,
+ sizeof(nfsv3name)/sizeof(char *));
+ }
+ }
+ if ((opt_prt & PRNT_V4) ||
+ ((opt_prt & PRNT_AUTO) && has_stats(cltproc4info))) {
+ if (opt_sleep && !has_stats(cltproc4info)) {
+ ;
+ } else {
+ print_callstats_list("nfs v4 ops",
+ nfssrvproc4opname, srvproc4opsinfo + 1,
+ sizeof(nfssrvproc4opname)/sizeof(char *));
+ 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) {
+ if ((opt_prt & PRNT_V2) ||
+ ((opt_prt & PRNT_AUTO) && has_stats(srvproc2info))) {
+ if (opt_sleep && !has_stats(srvproc2info)) {
+ ;
+ } else {
+ print_callstats_list("nfs v2 server",
+ nfsv2name, srvproc2info + 1,
+ sizeof(nfsv2name)/sizeof(char *));
+ }
+ }
+ if ((opt_prt & PRNT_V3) ||
+ ((opt_prt & PRNT_AUTO) && has_stats(srvproc3info))) {
+ if (opt_sleep && !has_stats(srvproc3info)) {
+ ;
+ } else {
+ print_callstats_list("nfs v3 server",
+ nfsv3name, srvproc3info + 1,
+ sizeof(nfsv3name)/sizeof(char *));
+ }
+ }
+ if ((opt_prt & PRNT_V4) ||
+ ((opt_prt & PRNT_AUTO) && has_stats(srvproc4opsinfo))) {
+ if (opt_sleep && !has_stats(srvproc4info)) {
+ ;
+ } else {
+ print_callstats_list("nfs v4 ops",
+ 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
fputs(hdr, stdout);
for (i = 0; i < nr; i++)
- printf("%s%-8d", i? " " : "", info[i]);
+ printf("%s%-8u", i? " " : "", info[i]);
printf("\n");
}
print_callstats(const char *hdr, const char **names,
unsigned int *info, unsigned int nr)
{
- unsigned int total;
+ unsigned long long total;
+ unsigned long long pct;
int i, j;
fputs(hdr, stdout);
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++)
- printf("%-6d %2d%% ",
- info[i+j], 100 * info[i+j] / total);
+ for (j = 0; j < 6 && 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;
+ 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_statfile(const char *name, struct statinfo *statp)
+parse_raw_statfile(const char *name, struct statinfo *statp)
{
char buffer[4096], *next;
FILE *fp;
* 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);
+ // fprintf(stderr, "Warning: %s: %m\n", name);
return 1;
}
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';
if (!(sp = strtok(line, " \t")))
continue;
- for (ip = statp; ip->tag; ip++) {
- if (!strcmp(sp, ip->tag))
- break;
- }
- if (!ip->tag)
+
+ 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] = atoi(sp);
+ 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++) {
+ n = sscanf(bufp, fmt, &ip->valptr[curindex],
+ &numconsumed);
+ 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: %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") && 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: %m). \n",
+ label, file);
+ 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)
+{
+ return (info[0] && info[info[0] + 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 received; displaying (only) statistics gathered over the last %d minutes, %d seconds:\n\n", 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];
+
+}
projects / nfs-utils.git / blobdiff