From 15a4520621824a3c2eb2de2d1f3984bc1663d3c8 Mon Sep 17 00:00:00 2001 From: Andy Adamson Date: Tue, 14 Feb 2012 16:19:18 -0500 Subject: SUNRPC: add sending,pending queue and max slot to xprt stats With static RPC slots, the xprt backlog queue stats were useful in showing when the transport (TCP) was starved by lack of RPC slots. The new dynamic RPC slot code, commit d9ba131d8f58c0d2ff5029e7002ab43f913b36f9, always provides an RPC slot and so only uses the xprt backlog queue when the tcp_max_slot_table_entries value has been hit or when an allocation error occurs. All requests are now placed on the xprt sending or pending queue which need to be monitored for debugging. The max_slot stat shows the maximum number of dynamic RPC slots reached which is useful when debugging performance issues. Add the new fields at the end of the mountstats xprt stanza so that mountstats outputs the previous correct values and ignores the new fields. Bump NFS_IOSTATS_VERS. Signed-off-by: Andy Adamson Signed-off-by: Trond Myklebust --- net/sunrpc/xprtsock.c | 23 +++++++++++++++++------ 1 file changed, 17 insertions(+), 6 deletions(-) (limited to 'net/sunrpc/xprtsock.c') diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 55472c48825..4c8281d29e2 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -2227,7 +2227,7 @@ static void xs_local_print_stats(struct rpc_xprt *xprt, struct seq_file *seq) idle_time = (long)(jiffies - xprt->last_used) / HZ; seq_printf(seq, "\txprt:\tlocal %lu %lu %lu %ld %lu %lu %lu " - "%llu %llu\n", + "%llu %llu %lu %llu %llu\n", xprt->stat.bind_count, xprt->stat.connect_count, xprt->stat.connect_time, @@ -2236,7 +2236,10 @@ static void xs_local_print_stats(struct rpc_xprt *xprt, struct seq_file *seq) xprt->stat.recvs, xprt->stat.bad_xids, xprt->stat.req_u, - xprt->stat.bklog_u); + xprt->stat.bklog_u, + xprt->stat.max_slots, + xprt->stat.sending_u, + xprt->stat.pending_u); } /** @@ -2249,14 +2252,18 @@ static void xs_udp_print_stats(struct rpc_xprt *xprt, struct seq_file *seq) { struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt); - seq_printf(seq, "\txprt:\tudp %u %lu %lu %lu %lu %Lu %Lu\n", + seq_printf(seq, "\txprt:\tudp %u %lu %lu %lu %lu %llu %llu " + "%lu %llu %llu\n", transport->srcport, xprt->stat.bind_count, xprt->stat.sends, xprt->stat.recvs, xprt->stat.bad_xids, xprt->stat.req_u, - xprt->stat.bklog_u); + xprt->stat.bklog_u, + xprt->stat.max_slots, + xprt->stat.sending_u, + xprt->stat.pending_u); } /** @@ -2273,7 +2280,8 @@ static void xs_tcp_print_stats(struct rpc_xprt *xprt, struct seq_file *seq) if (xprt_connected(xprt)) idle_time = (long)(jiffies - xprt->last_used) / HZ; - seq_printf(seq, "\txprt:\ttcp %u %lu %lu %lu %ld %lu %lu %lu %Lu %Lu\n", + seq_printf(seq, "\txprt:\ttcp %u %lu %lu %lu %ld %lu %lu %lu " + "%llu %llu %lu %llu %llu\n", transport->srcport, xprt->stat.bind_count, xprt->stat.connect_count, @@ -2283,7 +2291,10 @@ static void xs_tcp_print_stats(struct rpc_xprt *xprt, struct seq_file *seq) xprt->stat.recvs, xprt->stat.bad_xids, xprt->stat.req_u, - xprt->stat.bklog_u); + xprt->stat.bklog_u, + xprt->stat.max_slots, + xprt->stat.sending_u, + xprt->stat.pending_u); } /* -- cgit v1.2.3-70-g09d2 From 09acfea5d8de419ebe84be43b08f7b79c965215f Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Sun, 11 Mar 2012 15:22:54 -0400 Subject: SUNRPC: Fix a few sparse warnings net/sunrpc/svcsock.c:412:22: warning: incorrect type in assignment (different address spaces) - svc_partial_recvfrom now takes a struct kvec, so the variable save_iovbase needs to be an ordinary (void *) Make a bunch of variables in net/sunrpc/xprtsock.c static Fix a couple of "warning: symbol 'foo' was not declared. Should it be static?" reports. Fix a couple of conflicting function declarations. Signed-off-by: Trond Myklebust --- include/linux/sunrpc/bc_xprt.h | 2 +- include/linux/sunrpc/svcauth.h | 3 +++ include/linux/sunrpc/xprtsock.h | 12 ------------ net/sunrpc/auth_gss/gss_krb5_mech.c | 2 +- net/sunrpc/auth_gss/gss_krb5_seal.c | 2 +- net/sunrpc/backchannel_rqst.c | 1 + net/sunrpc/rpc_pipe.c | 2 +- net/sunrpc/sunrpc_syms.c | 3 --- net/sunrpc/svcsock.c | 2 +- net/sunrpc/xprtsock.c | 10 +++++----- 10 files changed, 14 insertions(+), 25 deletions(-) (limited to 'net/sunrpc/xprtsock.c') diff --git a/include/linux/sunrpc/bc_xprt.h b/include/linux/sunrpc/bc_xprt.h index f7f3ce340c0..969c0a671db 100644 --- a/include/linux/sunrpc/bc_xprt.h +++ b/include/linux/sunrpc/bc_xprt.h @@ -35,7 +35,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. struct rpc_rqst *xprt_alloc_bc_request(struct rpc_xprt *xprt); void xprt_free_bc_request(struct rpc_rqst *req); int xprt_setup_backchannel(struct rpc_xprt *, unsigned int min_reqs); -void xprt_destroy_backchannel(struct rpc_xprt *, int max_reqs); +void xprt_destroy_backchannel(struct rpc_xprt *, unsigned int max_reqs); int bc_send(struct rpc_rqst *req); /* diff --git a/include/linux/sunrpc/svcauth.h b/include/linux/sunrpc/svcauth.h index 25d333c1b57..548790e9113 100644 --- a/include/linux/sunrpc/svcauth.h +++ b/include/linux/sunrpc/svcauth.h @@ -135,6 +135,9 @@ extern void svcauth_unix_purge(void); extern void svcauth_unix_info_release(struct svc_xprt *xpt); extern int svcauth_unix_set_client(struct svc_rqst *rqstp); +extern int unix_gid_cache_create(struct net *net); +extern void unix_gid_cache_destroy(struct net *net); + static inline unsigned long hash_str(char *name, int bits) { unsigned long hash = 0; diff --git a/include/linux/sunrpc/xprtsock.h b/include/linux/sunrpc/xprtsock.h index 3f14a02e9cc..1ad36cc25b2 100644 --- a/include/linux/sunrpc/xprtsock.h +++ b/include/linux/sunrpc/xprtsock.h @@ -12,18 +12,6 @@ int init_socket_xprt(void); void cleanup_socket_xprt(void); -/* - * RPC slot table sizes for UDP, TCP transports - */ -extern unsigned int xprt_udp_slot_table_entries; -extern unsigned int xprt_tcp_slot_table_entries; - -/* - * Parameters for choosing a free port - */ -extern unsigned int xprt_min_resvport; -extern unsigned int xprt_max_resvport; - #define RPC_MIN_RESVPORT (1U) #define RPC_MAX_RESVPORT (65535U) #define RPC_DEF_MIN_RESVPORT (665U) diff --git a/net/sunrpc/auth_gss/gss_krb5_mech.c b/net/sunrpc/auth_gss/gss_krb5_mech.c index 8c67890de42..8eff8c32d1b 100644 --- a/net/sunrpc/auth_gss/gss_krb5_mech.c +++ b/net/sunrpc/auth_gss/gss_krb5_mech.c @@ -344,7 +344,7 @@ out_err: return PTR_ERR(p); } -struct crypto_blkcipher * +static struct crypto_blkcipher * context_v2_alloc_cipher(struct krb5_ctx *ctx, const char *cname, u8 *key) { struct crypto_blkcipher *cp; diff --git a/net/sunrpc/auth_gss/gss_krb5_seal.c b/net/sunrpc/auth_gss/gss_krb5_seal.c index d7941eab779..62ae3273186 100644 --- a/net/sunrpc/auth_gss/gss_krb5_seal.c +++ b/net/sunrpc/auth_gss/gss_krb5_seal.c @@ -159,7 +159,7 @@ gss_get_mic_v1(struct krb5_ctx *ctx, struct xdr_buf *text, return (ctx->endtime < now) ? GSS_S_CONTEXT_EXPIRED : GSS_S_COMPLETE; } -u32 +static u32 gss_get_mic_v2(struct krb5_ctx *ctx, struct xdr_buf *text, struct xdr_netobj *token) { diff --git a/net/sunrpc/backchannel_rqst.c b/net/sunrpc/backchannel_rqst.c index 3ad435a14ad..31def68a0f6 100644 --- a/net/sunrpc/backchannel_rqst.c +++ b/net/sunrpc/backchannel_rqst.c @@ -25,6 +25,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include #include #include +#include #ifdef RPC_DEBUG #define RPCDBG_FACILITY RPCDBG_TRANS diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c index 7d96e3cd57c..8584ec068e9 100644 --- a/net/sunrpc/rpc_pipe.c +++ b/net/sunrpc/rpc_pipe.c @@ -1149,7 +1149,7 @@ rpc_mount(struct file_system_type *fs_type, return mount_ns(fs_type, flags, current->nsproxy->net_ns, rpc_fill_super); } -void rpc_kill_sb(struct super_block *sb) +static void rpc_kill_sb(struct super_block *sb) { struct net *net = sb->s_fs_info; struct sunrpc_net *sn = net_generic(net, sunrpc_net_id); diff --git a/net/sunrpc/sunrpc_syms.c b/net/sunrpc/sunrpc_syms.c index 21d106e2ca0..8adfc88e793 100644 --- a/net/sunrpc/sunrpc_syms.c +++ b/net/sunrpc/sunrpc_syms.c @@ -27,9 +27,6 @@ int sunrpc_net_id; EXPORT_SYMBOL_GPL(sunrpc_net_id); -extern int unix_gid_cache_create(struct net *net); -extern int unix_gid_cache_destroy(struct net *net); - static __net_init int sunrpc_init_net(struct net *net) { int err; diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index e088b1633d3..40ae884db86 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -396,7 +396,7 @@ static int svc_partial_recvfrom(struct svc_rqst *rqstp, int buflen, unsigned int base) { size_t save_iovlen; - void __user *save_iovbase; + void *save_iovbase; unsigned int i; int ret; diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 4c8281d29e2..92bc5181dbe 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -53,12 +53,12 @@ static void xs_close(struct rpc_xprt *xprt); /* * xprtsock tunables */ -unsigned int xprt_udp_slot_table_entries = RPC_DEF_SLOT_TABLE; -unsigned int xprt_tcp_slot_table_entries = RPC_MIN_SLOT_TABLE; -unsigned int xprt_max_tcp_slot_table_entries = RPC_MAX_SLOT_TABLE; +static unsigned int xprt_udp_slot_table_entries = RPC_DEF_SLOT_TABLE; +static unsigned int xprt_tcp_slot_table_entries = RPC_MIN_SLOT_TABLE; +static unsigned int xprt_max_tcp_slot_table_entries = RPC_MAX_SLOT_TABLE; -unsigned int xprt_min_resvport = RPC_DEF_MIN_RESVPORT; -unsigned int xprt_max_resvport = RPC_DEF_MAX_RESVPORT; +static unsigned int xprt_min_resvport = RPC_DEF_MIN_RESVPORT; +static unsigned int xprt_max_resvport = RPC_DEF_MAX_RESVPORT; #define XS_TCP_LINGER_TO (15U * HZ) static unsigned int xs_tcp_fin_timeout __read_mostly = XS_TCP_LINGER_TO; -- cgit v1.2.3-70-g09d2