hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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>
This commit is contained in:
Chuck Lever 2017-12-20 16:31:21 -05:00 committed by Anna Schumaker
parent 2937fede11
commit 1c443effa3
2 changed files with 60 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

57
include/trace/events/rpcrdma.h
View File

@ -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

6
net/sunrpc/xprtrdma/verbs.c
View File

@ -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);