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| author | Jeff Layton <jlayton@primarydata.com> | 2014-10-28 14:24:13 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2014-11-24 12:53:35 -0500 |
| commit | 3705ad64f123271b2b88dbff0c9891b7b90299d2 (patch) | |
| tree | f84b813e2e69ed7f317e3499a638f2892ea6ab91 /net/sunrpc/xprt.c | |
| parent | 860a0d9e511f278bedab62d555a457c18e0841d5 (diff) | |
| download | linux-3705ad64f123271b2b88dbff0c9891b7b90299d2.tar.gz linux-3705ad64f123271b2b88dbff0c9891b7b90299d2.tar.bz2 linux-3705ad64f123271b2b88dbff0c9891b7b90299d2.zip | |
sunrpc: add new tracepoints in xprt handling code
...so we can keep track of when calls are sent and replies received.
Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'net/sunrpc/xprt.c')
| -rw-r--r-- | net/sunrpc/xprt.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index 56e4e150e80e..1b2e5e616cae 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -49,6 +49,8 @@ #include <linux/sunrpc/metrics.h> #include <linux/sunrpc/bc_xprt.h> +#include <trace/events/sunrpc.h> + #include "sunrpc.h" /* @@ -772,11 +774,14 @@ struct rpc_rqst *xprt_lookup_rqst(struct rpc_xprt *xprt, __be32 xid) struct rpc_rqst *entry; list_for_each_entry(entry, &xprt->recv, rq_list) - if (entry->rq_xid == xid) + if (entry->rq_xid == xid) { + trace_xprt_lookup_rqst(xprt, xid, 0); return entry; + } dprintk("RPC: xprt_lookup_rqst did not find xid %08x\n", ntohl(xid)); + trace_xprt_lookup_rqst(xprt, xid, -ENOENT); xprt->stat.bad_xids++; return NULL; } @@ -810,6 +815,7 @@ void xprt_complete_rqst(struct rpc_task *task, int copied) dprintk("RPC: %5u xid %08x complete (%d bytes received)\n", task->tk_pid, ntohl(req->rq_xid), copied); + trace_xprt_complete_rqst(xprt, req->rq_xid, copied); xprt->stat.recvs++; req->rq_rtt = ktime_sub(ktime_get(), req->rq_xtime); @@ -926,6 +932,7 @@ void xprt_transmit(struct rpc_task *task) req->rq_xtime = ktime_get(); status = xprt->ops->send_request(task); + trace_xprt_transmit(xprt, req->rq_xid, status); if (status != 0) { task->tk_status = status; return; |