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SUNRPC: display human-readable procedure name in rpc_iostats output

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Add fields to the rpc_procinfo struct that allow the display of a
human-readable name for each procedure in the rpc_iostats output.

Also fix it so that the NFSv4 stats are broken up correctly by
sub-procedure number.  NFSv4 uses only two real RPC procedures:
NULL, and COMPOUND.

Test plan:
Mount with NFSv2, NFSv3, and NFSv4, and do "cat /proc/self/mountstats".

Signed-off-by: Chuck Lever <[email protected]>
Signed-off-by: Trond Myklebust <[email protected]>
This commit is contained in:
Chuck Lever 2006-03-20 13:44:22 -05:00 • committed by Trond Myklebust
commit cc0175c1dc
11 changed files with 46 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

6
net/sunrpc/pmap_clnt.c
View file

@ -261,6 +261,8 @@ static struct rpc_procinfo pmap_procedures[] = {
.p_decode = (kxdrproc_t) xdr_decode_bool,
.p_bufsiz = 4,
.p_count = 1,
.p_statidx = PMAP_SET,
.p_name = "SET",
},
[PMAP_UNSET] = {
.p_proc = PMAP_UNSET,
@ -268,6 +270,8 @@ static struct rpc_procinfo pmap_procedures[] = {
.p_decode = (kxdrproc_t) xdr_decode_bool,
.p_bufsiz = 4,
.p_count = 1,
.p_statidx = PMAP_UNSET,
.p_name = "UNSET",
},
[PMAP_GETPORT] = {
.p_proc = PMAP_GETPORT,
@ -275,6 +279,8 @@ static struct rpc_procinfo pmap_procedures[] = {
.p_decode = (kxdrproc_t) xdr_decode_port,
.p_bufsiz = 4,
.p_count = 1,
.p_statidx = PMAP_GETPORT,
.p_name = "GETPORT",
},
};

14
net/sunrpc/stats.c
View file

@ -151,7 +151,7 @@ void rpc_count_iostats(struct rpc_task *task)
if (!stats || !req)
return;
op_metrics = &stats[task->tk_msg.rpc_proc->p_proc];
op_metrics = &stats[task->tk_msg.rpc_proc->p_statidx];
op_metrics->om_ops++;
op_metrics->om_ntrans += req->rq_ntrans;
@ -176,6 +176,16 @@ void rpc_count_iostats(struct rpc_task *task)
op_metrics->om_execute += execute;
}
void _print_name(struct seq_file *seq, unsigned int op, struct rpc_procinfo *procs)
{
if (procs[op].p_name)
seq_printf(seq, "\t%12s: ", procs[op].p_name);
else if (op == 0)
seq_printf(seq, "\t NULL: ");
else
seq_printf(seq, "\t%12u: ", op);
}
#define MILLISECS_PER_JIFFY (1000UL / HZ)
void rpc_print_iostats(struct seq_file *seq, struct rpc_clnt *clnt)
@ -197,7 +207,7 @@ void rpc_print_iostats(struct seq_file *seq, struct rpc_clnt *clnt)
seq_printf(seq, "\tper-op statistics\n");
for (op = 0; op < maxproc; op++) {
struct rpc_iostats *metrics = &stats[op];
seq_printf(seq, "%12u: ", op);
_print_name(seq, op, clnt->cl_procinfo);
seq_printf(seq, "%lu %lu %lu %Lu %Lu %Lu %Lu %Lu\n",
metrics->om_ops,
metrics->om_ntrans,