Added NFS v4 support
authorgmorris <gmorris>
Tue, 12 Apr 2005 16:20:39 +0000 (16:20 +0000)
committergmorris <gmorris>
Tue, 12 Apr 2005 16:20:39 +0000 (16:20 +0000)
utils/nfsstat/nfsstat.c

index 3b695f2..0f65000 100644 (file)
@@ -1,7 +1,7 @@
 /*
  * 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"
@@ -9,7 +9,7 @@
 #define NFSSVCSTAT     "/proc/net/rpc/nfsd"
 #define NFSCLTSTAT     "/proc/net/rpc/nfs"
 
-#define MOUNTSFILE     "/proc/mounts"
+#define MOUNTSFILE     "/proc/mounts"
 
 #include <stdlib.h>
 #include <stdio.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[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    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:)
@@ -57,7 +59,7 @@ 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
@@ -80,28 +82,46 @@ 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",
+};
+
 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  },
+       { 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 *,
@@ -119,7 +139,7 @@ static int             mounts(const char *);
 #define PRNT_NET       0x0004
 #define PRNT_FH                0x0008
 #define PRNT_RC                0x0010
-#define PRNT_ALL       0xffff
+#define PRNT_ALL       0x0fff
 
 int
 main(int argc, char **argv)
@@ -154,6 +174,8 @@ 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);
@@ -218,6 +240,7 @@ main(int argc, char **argv)
                        "packets    udp        tcp        tcpconn\n",
                        svcnetinfo, 4
                        );
+                       printf("\n");
                }
                if (opt_prt & PRNT_RPC) {
                        print_numbers(
@@ -225,6 +248,7 @@ main(int argc, char **argv)
                        "calls      badcalls   badauth    badclnt    xdrcall\n",
                        svcrpcinfo, 5
                        );
+                       printf("\n");
                }
                if (opt_prt & PRNT_RC) {
                        print_numbers(
@@ -232,6 +256,7 @@ main(int argc, char **argv)
                        "hits       misses     nocache\n",
                        svcrcinfo, 3
                        );
+                       printf("\n");
                }
 
                /*
@@ -250,23 +275,29 @@ 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
+                           nfsv2name, svcv2info + 1, sizeof(nfsv2name)/sizeof(char *)
                        );
-                       if (svcv3info[0])
+                        if (svcv3info[0])
                                print_callstats(
                                "Server nfs v3:\n",
-                               nfsv3name, svcv3info + 1, 22
+                                nfsv3name, svcv3info + 1, sizeof(nfsv3name)/sizeof(char *)
+                                );
+                        if (svcv4info[0])
+                                print_callstats(
+                                "Server nfs v4:\n",
+                                nfssvrv4name, svcv4info + 1, sizeof(nfssvrv4name)/sizeof(char *)
                                );
                }
        }
@@ -278,6 +309,7 @@ main(int argc, char **argv)
                        "packets    udp        tcp        tcpconn\n",
                        cltnetinfo, 4
                        );
+                       printf("\n");
                }
                if (opt_prt & PRNT_RPC) {
                        print_numbers(
@@ -285,16 +317,22 @@ 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
+                       nfsv2name, cltv2info + 1,  sizeof(nfsv2name)/sizeof(char *)
                        );
-                       if (cltv3info[0])
+                        if (cltv3info[0])
                                print_callstats(
                                "Client nfs v3:\n",
-                               nfsv3name, cltv3info + 1, 22
+                               nfsv3name, cltv3info + 1, sizeof(nfsv3name)/sizeof(char *)
+                               );
+                        if (cltv4info[0])
+                                print_callstats(
+                                "Client nfs v4:\n",
+                                nfscltv4name, cltv4info + 1,  sizeof(nfscltv4name)/sizeof(char *)
                                );
                }
        }
@@ -341,11 +379,11 @@ 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");
        }
@@ -370,7 +408,8 @@ parse_statfile(const char *name, struct statinfo *statp)
        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';
@@ -387,7 +426,9 @@ 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);
@@ -405,7 +446,7 @@ mounts(const char *name)
         */
        if ((fp = fopen(name, "r")) == NULL) {
                fprintf(stderr, "Warning: %s: %m\n", name);
-               return -1;
+               return 0;
        }
 
        while (fgets(buffer, sizeof(buffer), fp) != NULL) {
@@ -439,5 +480,5 @@ mounts(const char *name)
        }
 
        fclose(fp);
-       return 0;
+       return 1;
 }