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SUNRPC: Trace a few more generic svc_xprt events

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In lieu of dprintks or tracepoints in each individual transport
implementation, introduce tracepoints in the generic part of the RPC
layer. These typically fire for connection lifetime events, so
shouldn't contribute a lot of noise.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever
2020-03-17 17:41:43 -04:00
parent 4b8f380e46
commit 11bbb0f76e
5 changed files with 45 additions and 81 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
net/sunrpc/svcsock.c
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@@ -727,7 +727,6 @@ static struct svc_xprt *svc_tcp_accept(struct svc_xprt *xprt)
int err, slen;
RPC_IFDEBUG(char buf[RPC_MAX_ADDRBUFLEN]);
dprintk("svc: tcp_accept %p sock %p\n", svsk, sock);
if (!sock)
return NULL;
@@ -1363,11 +1362,6 @@ static struct svc_xprt *svc_create_socket(struct svc_serv *serv,
int newlen;
int family;
int val;
RPC_IFDEBUG(char buf[RPC_MAX_ADDRBUFLEN]);
dprintk("svc: svc_create_socket(%s, %d, %s)\n",
serv->sv_program->pg_name, protocol,
__svc_print_addr(sin, buf, sizeof(buf)));
if (protocol != IPPROTO_UDP && protocol != IPPROTO_TCP) {
printk(KERN_WARNING "svc: only UDP and TCP "
@@ -1427,7 +1421,6 @@ static struct svc_xprt *svc_create_socket(struct svc_serv *serv,
svc_xprt_set_local(&svsk->sk_xprt, newsin, newlen);
return (struct svc_xprt *)svsk;
bummer:
dprintk("svc: svc_create_socket error = %d\n", -error);
sock_release(sock);
return ERR_PTR(error);
}
@@ -1441,8 +1434,6 @@ static void svc_sock_detach(struct svc_xprt *xprt)
struct svc_sock *svsk = container_of(xprt, struct svc_sock, sk_xprt);
struct sock *sk = svsk->sk_sk;
dprintk("svc: svc_sock_detach(%p)\n", svsk);
/* put back the old socket callbacks */
lock_sock(sk);
sk->sk_state_change = svsk->sk_ostate;
@@ -1459,8 +1450,6 @@ static void svc_tcp_sock_detach(struct svc_xprt *xprt)
{
struct svc_sock *svsk = container_of(xprt, struct svc_sock, sk_xprt);
dprintk("svc: svc_tcp_sock_detach(%p)\n", svsk);
svc_sock_detach(xprt);
if (!test_bit(XPT_LISTENER, &xprt->xpt_flags)) {
@@ -1475,7 +1464,6 @@ static void svc_tcp_sock_detach(struct svc_xprt *xprt)
static void svc_sock_free(struct svc_xprt *xprt)
{
struct svc_sock *svsk = container_of(xprt, struct svc_sock, sk_xprt);
dprintk("svc: svc_sock_free(%p)\n", svsk);
if (svsk->sk_sock->file)
sockfd_put(svsk->sk_sock);