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| author | Chuck Lever <chuck.lever@oracle.com> | 2023-06-12 17:13:51 +0300 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2023-06-17 20:18:06 +0300 |
| commit | a23c76e92d8215456ca2fbd5cf6c1ff71b744c1d (patch) | |
| tree | 40f0995956ea1b703fba7c927e6ff1fc6c1f34a8 | |
| parent | 91f8ce28466e480fd9ef27e028ac89dbfd264c24 (diff) | |
| download | linux-a23c76e92d8215456ca2fbd5cf6c1ff71b744c1d.tar.xz | |
svcrdma: trace cc_release calls
This event brackets the svcrdma_post_* trace points. If this trace
event is enabled but does not appear as expected, that indicates a
chunk_ctxt leak.
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Acked-by: Tom Talpey <tom@talpey.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
| -rw-r--r-- | include/trace/events/rpcrdma.h | 8 | ||||
| -rw-r--r-- | net/sunrpc/xprtrdma/svc_rdma_rw.c | 2 |
2 files changed, 10 insertions, 0 deletions
diff --git a/include/trace/events/rpcrdma.h b/include/trace/events/rpcrdma.h index 8f461e04e5f0..f8069ef2ee0f 100644 --- a/include/trace/events/rpcrdma.h +++ b/include/trace/events/rpcrdma.h @@ -2112,6 +2112,14 @@ DEFINE_POST_CHUNK_EVENT(read); DEFINE_POST_CHUNK_EVENT(write); DEFINE_POST_CHUNK_EVENT(reply); +DEFINE_EVENT(svcrdma_post_chunk_class, svcrdma_cc_release, + TP_PROTO( + const struct rpc_rdma_cid *cid, + int sqecount + ), + TP_ARGS(cid, sqecount) +); + TRACE_EVENT(svcrdma_wc_read, TP_PROTO( const struct ib_wc *wc, diff --git a/net/sunrpc/xprtrdma/svc_rdma_rw.c b/net/sunrpc/xprtrdma/svc_rdma_rw.c index 59ea87b5f458..9836406cc41e 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_rw.c +++ b/net/sunrpc/xprtrdma/svc_rdma_rw.c @@ -191,6 +191,8 @@ static void svc_rdma_cc_release(struct svc_rdma_chunk_ctxt *cc, struct svc_rdma_rw_ctxt *ctxt; LLIST_HEAD(free); + trace_svcrdma_cc_release(&cc->cc_cid, cc->cc_sqecount); + first = last = NULL; while ((ctxt = svc_rdma_next_ctxt(&cc->cc_rwctxts)) != NULL) { list_del(&ctxt->rw_list); |