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| author | Chuck Lever <chuck.lever@oracle.com> | 2017-12-21 00:31:21 +0300 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2018-01-23 17:44:36 +0300 |
| commit | 1c443effa319a02a5b8808bef7840500c29f24b2 (patch) | |
| tree | 217152c7674ac0cfeaba41c56d2e56b5c07f3e46 | |
| parent | 2937fede11b1081dbbbe6228637423639165eec7 (diff) | |
| download | linux-1c443effa319a02a5b8808bef7840500c29f24b2.tar.xz | |
xprtrdma: Add trace points to instrument MR allocation and recovery
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
| -rw-r--r-- | include/trace/events/rpcrdma.h | 57 | ||||
| -rw-r--r-- | net/sunrpc/xprtrdma/verbs.c | 6 |
2 files changed, 60 insertions, 3 deletions
diff --git a/include/trace/events/rpcrdma.h b/include/trace/events/rpcrdma.h index fadb4b687595..d296d5b084c2 100644 --- a/include/trace/events/rpcrdma.h +++ b/include/trace/events/rpcrdma.h @@ -51,6 +51,37 @@ DECLARE_EVENT_CLASS(xprtrdma_reply_event, ), \ TP_ARGS(rep)) +DECLARE_EVENT_CLASS(xprtrdma_rxprt, + TP_PROTO( + const struct rpcrdma_xprt *r_xprt + ), + + TP_ARGS(r_xprt), + + TP_STRUCT__entry( + __field(const void *, r_xprt) + __string(addr, rpcrdma_addrstr(r_xprt)) + __string(port, rpcrdma_portstr(r_xprt)) + ), + + TP_fast_assign( + __entry->r_xprt = r_xprt; + __assign_str(addr, rpcrdma_addrstr(r_xprt)); + __assign_str(port, rpcrdma_portstr(r_xprt)); + ), + + TP_printk("peer=[%s]:%s r_xprt=%p", + __get_str(addr), __get_str(port), __entry->r_xprt + ) +); + +#define DEFINE_RXPRT_EVENT(name) \ + DEFINE_EVENT(xprtrdma_rxprt, name, \ + TP_PROTO( \ + const struct rpcrdma_xprt *r_xprt \ + ), \ + TP_ARGS(r_xprt)) + DECLARE_EVENT_CLASS(xprtrdma_rdch_event, TP_PROTO( const struct rpc_task *task, @@ -240,6 +271,31 @@ DECLARE_EVENT_CLASS(xprtrdma_mr, ** Call events **/ +TRACE_EVENT(xprtrdma_createmrs, + TP_PROTO( + const struct rpcrdma_xprt *r_xprt, + unsigned int count + ), + + TP_ARGS(r_xprt, count), + + TP_STRUCT__entry( + __field(const void *, r_xprt) + __field(unsigned int, count) + ), + + TP_fast_assign( + __entry->r_xprt = r_xprt; + __entry->count = count; + ), + + TP_printk("r_xprt=%p: created %u MRs", + __entry->r_xprt, __entry->count + ) +); + +DEFINE_RXPRT_EVENT(xprtrdma_nomrs); + DEFINE_RDCH_EVENT(xprtrdma_read_chunk); DEFINE_WRCH_EVENT(xprtrdma_write_chunk); DEFINE_WRCH_EVENT(xprtrdma_reply_chunk); @@ -423,6 +479,7 @@ DEFINE_FRWR_DONE_EVENT(xprtrdma_wc_li_wake); DEFINE_MR_EVENT(xprtrdma_localinv); DEFINE_MR_EVENT(xprtrdma_dma_unmap); DEFINE_MR_EVENT(xprtrdma_remoteinv); +DEFINE_MR_EVENT(xprtrdma_recover_mr); /** ** Reply events diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 0e89e5529d6c..1addcc9477ba 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -998,7 +998,7 @@ rpcrdma_mr_recovery_worker(struct work_struct *work) mr = rpcrdma_mr_pop(&buf->rb_stale_mrs); spin_unlock(&buf->rb_recovery_lock); - dprintk("RPC: %s: recovering MR %p\n", __func__, mr); + trace_xprtrdma_recover_mr(mr); mr->mr_xprt->rx_ia.ri_ops->ro_recover_mr(mr); spin_lock(&buf->rb_recovery_lock); @@ -1054,7 +1054,7 @@ rpcrdma_mrs_create(struct rpcrdma_xprt *r_xprt) r_xprt->rx_stats.mrs_allocated += count; spin_unlock(&buf->rb_mrlock); - dprintk("RPC: %s: created %u MRs\n", __func__, count); + trace_xprtrdma_createmrs(r_xprt, count); } static void @@ -1310,7 +1310,7 @@ rpcrdma_mr_get(struct rpcrdma_xprt *r_xprt) return mr; out_nomrs: - dprintk("RPC: %s: no MRs available\n", __func__); + trace_xprtrdma_nomrs(r_xprt); if (r_xprt->rx_ep.rep_connected != -ENODEV) schedule_delayed_work(&buf->rb_refresh_worker, 0); |