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NFS: include filelayout DS rpc stats in mountstats

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Include RPC statistics from all data servers in /proc/self/mountstats for pNFS
filelayout mounts.

Signed-off-by: Weston Andros Adamson <dros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Weston Andros Adamson
2012-02-17 13:15:24 -05:00
committed by Trond Myklebust
parent b6bf6e7d6f
commit 0a70219523
5 changed files with 32 additions and 7 deletions
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8
net/sunrpc/stats.c
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@@ -133,20 +133,19 @@ EXPORT_SYMBOL_GPL(rpc_free_iostats);
/**
* rpc_count_iostats - tally up per-task stats
* @task: completed rpc_task
* @stats: array of stat structures
*
* Relies on the caller for serialization.
*/
void rpc_count_iostats(struct rpc_task *task)
void rpc_count_iostats(const struct rpc_task *task, struct rpc_iostats *stats)
{
struct rpc_rqst *req = task->tk_rqstp;
struct rpc_iostats *stats;
struct rpc_iostats *op_metrics;
ktime_t delta;
if (!task->tk_client || !task->tk_client->cl_metrics || !req)
if (!stats || !req)
return;
stats = task->tk_client->cl_metrics;
op_metrics = &stats[task->tk_msg.rpc_proc->p_statidx];
op_metrics->om_ops++;
@@ -164,6 +163,7 @@ void rpc_count_iostats(struct rpc_task *task)
delta = ktime_sub(ktime_get(), task->tk_start);
op_metrics->om_execute = ktime_add(op_metrics->om_execute, delta);
}
EXPORT_SYMBOL_GPL(rpc_count_iostats);
static void _print_name(struct seq_file *seq, unsigned int op,
struct rpc_procinfo *procs)