From ca8eb17798fb9b4936a38cc58fe379e9e8d379f9 Mon Sep 17 00:00:00 2001 From: Kevin Constantine Date: Sat, 4 Apr 2009 07:18:26 -0400 Subject: [PATCH] nfsstat: Add --list flag nfsstat.c: Adds the --list flag to print information in a list format instead of the standard multi-column format nfsstat.man: Updates the manpage to include the --list flag. Signed-off-by: Kevin Constantine Signed-off-by: Steve Dickson --- utils/nfsstat/nfsstat.c | 83 +++++++++++++++++++++++++++++++++++++-- utils/nfsstat/nfsstat.man | 3 ++ 2 files changed, 83 insertions(+), 3 deletions(-) diff --git a/utils/nfsstat/nfsstat.c b/utils/nfsstat/nfsstat.c index 7906b09..d5bdad7 100644 --- a/utils/nfsstat/nfsstat.c +++ b/utils/nfsstat/nfsstat.c @@ -170,10 +170,13 @@ 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); 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 *); @@ -233,6 +236,7 @@ void usage(char *name) 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); @@ -255,6 +259,7 @@ static struct option longopts[] = { "version", 0, 0, '\2' }, { "sleep", 2, 0, 'Z' }, { "since", 1, 0, 'S' }, + { "list", 0, 0, 'l' }, { NULL, 0, 0, 0 } }; int opt_sleep; @@ -267,6 +272,7 @@ main(int argc, char **argv) opt_clt = 0, opt_prt = 0, sleep_time = 0, + opt_list =0, opt_since = 0; int c; char *progname, @@ -288,7 +294,7 @@ main(int argc, char **argv) else progname = argv[0]; - while ((c = getopt_long(argc, argv, "234acmno:Z::S:vrsz\1\2", longopts, NULL)) != EOF) { + 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"); @@ -346,6 +352,9 @@ main(int argc, char **argv) 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"); @@ -426,14 +435,22 @@ main(int argc, char **argv) get_stats(NFSCLTSTAT, clientinfo_tmp, &opt_clt, opt_srv, 0); diff_stats(clientinfo_tmp, clientinfo, 0); } - print_all_stats(opt_srv, opt_clt, opt_prt); + if (opt_list) { + print_stats_list(opt_prt); + } else { + print_all_stats(opt_srv, opt_clt, opt_prt); + } fflush(stdout); update_old_counters(clientinfo_tmp, clientinfo); sleep(sleep_time); } } else { - print_all_stats(opt_srv, opt_clt, opt_prt); + if (opt_list) { + print_stats_list(opt_prt); + } else { + print_all_stats(opt_srv, opt_clt, opt_prt); + } } return 0; @@ -568,6 +585,47 @@ print_client_stats(int opt_clt, int opt_prt) } } +static void +print_stats_list(int opt_prt) +{ + if (opt_prt & PRNT_CALLS) { + if ((opt_prt & PRNT_V2) || ((opt_prt & PRNT_AUTO) && has_stats(cltproc2info))) { + print_callstats_list( + "nfs v2 server", + nfsv2name, srvproc2info + 1, sizeof(nfsv2name)/sizeof(char *)); + printf("\n"); + print_callstats_list( + "nfs v2 client", + nfsv2name, cltproc2info + 1, sizeof(nfsv2name)/sizeof(char *)); + printf("\n"); + } + if ((opt_prt & PRNT_V3) || ((opt_prt & PRNT_AUTO) && has_stats(cltproc3info))) { + print_callstats_list( + "nfs v3 server", + nfsv3name, srvproc3info + 1, sizeof(nfsv3name)/sizeof(char *)); + printf("\n"); + print_callstats_list( + "nfs v3 client", + nfsv3name, cltproc3info + 1, sizeof(nfsv3name)/sizeof(char *)); + printf("\n"); + } + if ((opt_prt & PRNT_V4) || ((opt_prt & PRNT_AUTO) && has_stats(cltproc4info))) { + print_callstats_list( + "nfs v4 server", + nfssrvproc4name, srvproc4info + 1, sizeof(nfssrvproc4name)/sizeof(char *)); + printf("\n"); + print_callstats_list( + "nfs v4 ops", + nfssrvproc4opname, srvproc4opsinfo + 1, sizeof(nfssrvproc4opname)/sizeof(char *)); + printf("\n"); + print_callstats_list( + "nfs v4 client", + nfscltproc4name, cltproc4info + 1, sizeof(nfscltproc4name)/sizeof(char *)); + printf("\n"); + } + } +} + static statinfo * get_stat_info(const char *sp, struct statinfo *statp) { @@ -618,6 +676,25 @@ print_callstats(const char *hdr, const char **names, 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]; + } + printf("%13s %13s %8llu \n", hdr, "total:", calltotal); + printf("------------- ------------- --------\n"); + for (i = 0; i < nr; i++) { + printf("%13s %12s: %8u \n", hdr, names[i], callinfo[i]); + } + +} + + /* returns 0 on success, 1 otherwise */ static int parse_raw_statfile(const char *name, struct statinfo *statp) diff --git a/utils/nfsstat/nfsstat.man b/utils/nfsstat/nfsstat.man index 461b2c0..52215a9 100644 --- a/utils/nfsstat/nfsstat.man +++ b/utils/nfsstat/nfsstat.man @@ -72,6 +72,9 @@ Display all of the above facilities. .B \-v, \-\-verbose This is equivalent to \fB\-o all\fR. .TP +.B \-l, \-\-list +Print information in list form. +.TP .BI "\-S, \-\-since " file Instead of printing current statistics, .B nfsstat -- 2.39.5