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SUNRPC: enhance rpc_clnt_show_stats() to report on all xprts. 

Now that a client can have multiple xprts, we need to
report the statistics for all of them.

Reported-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
NeilBrown 2019-05-30 10:41:28 +10:00 committed by Trond Myklebust
parent 5a0c257f8e
commit 10db56917b
1 changed files with 9 additions and 6 deletions
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15
net/sunrpc/stats.c
View File

@ -236,9 +236,16 @@ static void _print_rpc_iostats(struct seq_file *seq, struct rpc_iostats *stats,
ktime_to_ms(stats->om_execute));
}
static int do_print_stats(struct rpc_clnt *clnt, struct rpc_xprt *xprt, void *seqv)
{
struct seq_file *seq = seqv;
xprt->ops->print_stats(xprt, seq);
return 0;
}
void rpc_clnt_show_stats(struct seq_file *seq, struct rpc_clnt *clnt)
{
struct rpc_xprt *xprt;
unsigned int op, maxproc = clnt->cl_maxproc;
if (!clnt->cl_metrics)
@ -248,11 +255,7 @@ void rpc_clnt_show_stats(struct seq_file *seq, struct rpc_clnt *clnt)
seq_printf(seq, "p/v: %u/%u (%s)\n",
clnt->cl_prog, clnt->cl_vers, clnt->cl_program->name);
rcu_read_lock();
xprt = rcu_dereference(clnt->cl_xprt);
if (xprt)
xprt->ops->print_stats(xprt, seq);
rcu_read_unlock();
rpc_clnt_iterate_for_each_xprt(clnt, do_print_stats, seq);
seq_printf(seq, "\tper-op statistics\n");
for (op = 0; op < maxproc; op++) {