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-rw-r--r--net/sunrpc/stats.c144
1 files changed, 70 insertions, 74 deletions
diff --git a/net/sunrpc/stats.c b/net/sunrpc/stats.c
index bd98124c3a6..54530490944 100644
--- a/net/sunrpc/stats.c
+++ b/net/sunrpc/stats.c
@@ -13,19 +13,20 @@
*/
#include <linux/module.h>
+#include <linux/slab.h>
#include <linux/init.h>
#include <linux/kernel.h>
-#include <linux/sched.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/sunrpc/clnt.h>
#include <linux/sunrpc/svcsock.h>
#include <linux/sunrpc/metrics.h>
+#include <linux/rcupdate.h>
-#define RPCDBG_FACILITY RPCDBG_MISC
+#include "netns.h"
-struct proc_dir_entry *proc_net_rpc = NULL;
+#define RPCDBG_FACILITY RPCDBG_MISC
/*
* Get RPC client stats
@@ -33,7 +34,7 @@ struct proc_dir_entry *proc_net_rpc = NULL;
static int rpc_proc_show(struct seq_file *seq, void *v) {
const struct rpc_stat *statp = seq->private;
const struct rpc_program *prog = statp->program;
- int i, j;
+ unsigned int i, j;
seq_printf(seq,
"net %u %u %u %u\n",
@@ -63,10 +64,10 @@ static int rpc_proc_show(struct seq_file *seq, void *v) {
static int rpc_proc_open(struct inode *inode, struct file *file)
{
- return single_open(file, rpc_proc_show, PDE(inode)->data);
+ return single_open(file, rpc_proc_show, PDE_DATA(inode));
}
-static struct file_operations rpc_proc_fops = {
+static const struct file_operations rpc_proc_fops = {
.owner = THIS_MODULE,
.open = rpc_proc_open,
.read = seq_read,
@@ -81,7 +82,7 @@ void svc_seq_show(struct seq_file *seq, const struct svc_stat *statp) {
const struct svc_program *prog = statp->program;
const struct svc_procedure *proc;
const struct svc_version *vers;
- int i, j;
+ unsigned int i, j;
seq_printf(seq,
"net %u %u %u %u\n",
@@ -106,6 +107,7 @@ void svc_seq_show(struct seq_file *seq, const struct svc_stat *statp) {
seq_putc(seq, '\n');
}
}
+EXPORT_SYMBOL_GPL(svc_seq_show);
/**
* rpc_alloc_iostats - allocate an rpc_iostats structure
@@ -114,11 +116,9 @@ void svc_seq_show(struct seq_file *seq, const struct svc_stat *statp) {
*/
struct rpc_iostats *rpc_alloc_iostats(struct rpc_clnt *clnt)
{
- struct rpc_iostats *new;
- new = kcalloc(clnt->cl_maxproc, sizeof(struct rpc_iostats), GFP_KERNEL);
- return new;
+ return kcalloc(clnt->cl_maxproc, sizeof(struct rpc_iostats), GFP_KERNEL);
}
-EXPORT_SYMBOL(rpc_alloc_iostats);
+EXPORT_SYMBOL_GPL(rpc_alloc_iostats);
/**
* rpc_free_iostats - release an rpc_iostats structure
@@ -129,47 +129,42 @@ void rpc_free_iostats(struct rpc_iostats *stats)
{
kfree(stats);
}
-EXPORT_SYMBOL(rpc_free_iostats);
+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 = task->tk_client->cl_metrics;
struct rpc_iostats *op_metrics;
- long rtt, execute, queue;
+ ktime_t delta;
if (!stats || !req)
return;
+
op_metrics = &stats[task->tk_msg.rpc_proc->p_statidx];
op_metrics->om_ops++;
op_metrics->om_ntrans += req->rq_ntrans;
op_metrics->om_timeouts += task->tk_timeouts;
- op_metrics->om_bytes_sent += task->tk_bytes_sent;
- op_metrics->om_bytes_recv += req->rq_received;
+ op_metrics->om_bytes_sent += req->rq_xmit_bytes_sent;
+ op_metrics->om_bytes_recv += req->rq_reply_bytes_recvd;
- queue = (long)req->rq_xtime - task->tk_start;
- if (queue < 0)
- queue = -queue;
- op_metrics->om_queue += queue;
+ delta = ktime_sub(req->rq_xtime, task->tk_start);
+ op_metrics->om_queue = ktime_add(op_metrics->om_queue, delta);
- rtt = task->tk_rtt;
- if (rtt < 0)
- rtt = -rtt;
- op_metrics->om_rtt += rtt;
+ op_metrics->om_rtt = ktime_add(op_metrics->om_rtt, req->rq_rtt);
- execute = (long)jiffies - task->tk_start;
- if (execute < 0)
- execute = -execute;
- op_metrics->om_execute += execute;
+ 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)
@@ -182,12 +177,10 @@ static void _print_name(struct seq_file *seq, unsigned int op,
seq_printf(seq, "\t%12u: ", op);
}
-#define MILLISECS_PER_JIFFY (1000 / HZ)
-
void rpc_print_iostats(struct seq_file *seq, struct rpc_clnt *clnt)
{
struct rpc_iostats *stats = clnt->cl_metrics;
- struct rpc_xprt *xprt = clnt->cl_xprt;
+ struct rpc_xprt *xprt;
unsigned int op, maxproc = clnt->cl_maxproc;
if (!stats)
@@ -195,10 +188,13 @@ void rpc_print_iostats(struct seq_file *seq, struct rpc_clnt *clnt)
seq_printf(seq, "\tRPC iostats version: %s ", RPC_IOSTATS_VERS);
seq_printf(seq, "p/v: %u/%u (%s)\n",
- clnt->cl_prog, clnt->cl_vers, clnt->cl_protname);
+ 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();
seq_printf(seq, "\tper-op statistics\n");
for (op = 0; op < maxproc; op++) {
@@ -210,77 +206,77 @@ void rpc_print_iostats(struct seq_file *seq, struct rpc_clnt *clnt)
metrics->om_timeouts,
metrics->om_bytes_sent,
metrics->om_bytes_recv,
- metrics->om_queue * MILLISECS_PER_JIFFY,
- metrics->om_rtt * MILLISECS_PER_JIFFY,
- metrics->om_execute * MILLISECS_PER_JIFFY);
+ ktime_to_ms(metrics->om_queue),
+ ktime_to_ms(metrics->om_rtt),
+ ktime_to_ms(metrics->om_execute));
}
}
-EXPORT_SYMBOL(rpc_print_iostats);
+EXPORT_SYMBOL_GPL(rpc_print_iostats);
/*
* Register/unregister RPC proc files
*/
static inline struct proc_dir_entry *
-do_register(const char *name, void *data, const struct file_operations *fops)
+do_register(struct net *net, const char *name, void *data,
+ const struct file_operations *fops)
{
- struct proc_dir_entry *ent;
+ struct sunrpc_net *sn;
- rpc_proc_init();
- dprintk("RPC: registering /proc/net/rpc/%s\n", name);
-
- ent = create_proc_entry(name, 0, proc_net_rpc);
- if (ent) {
- ent->proc_fops = fops;
- ent->data = data;
- }
- return ent;
+ dprintk("RPC: registering /proc/net/rpc/%s\n", name);
+ sn = net_generic(net, sunrpc_net_id);
+ return proc_create_data(name, 0, sn->proc_net_rpc, fops, data);
}
struct proc_dir_entry *
-rpc_proc_register(struct rpc_stat *statp)
+rpc_proc_register(struct net *net, struct rpc_stat *statp)
{
- return do_register(statp->program->name, statp, &rpc_proc_fops);
+ return do_register(net, statp->program->name, statp, &rpc_proc_fops);
}
+EXPORT_SYMBOL_GPL(rpc_proc_register);
void
-rpc_proc_unregister(const char *name)
+rpc_proc_unregister(struct net *net, const char *name)
{
- remove_proc_entry(name, proc_net_rpc);
+ struct sunrpc_net *sn;
+
+ sn = net_generic(net, sunrpc_net_id);
+ remove_proc_entry(name, sn->proc_net_rpc);
}
+EXPORT_SYMBOL_GPL(rpc_proc_unregister);
struct proc_dir_entry *
-svc_proc_register(struct svc_stat *statp, const struct file_operations *fops)
+svc_proc_register(struct net *net, struct svc_stat *statp, const struct file_operations *fops)
{
- return do_register(statp->program->pg_name, statp, fops);
+ return do_register(net, statp->program->pg_name, statp, fops);
}
+EXPORT_SYMBOL_GPL(svc_proc_register);
void
-svc_proc_unregister(const char *name)
+svc_proc_unregister(struct net *net, const char *name)
{
- remove_proc_entry(name, proc_net_rpc);
+ struct sunrpc_net *sn;
+
+ sn = net_generic(net, sunrpc_net_id);
+ remove_proc_entry(name, sn->proc_net_rpc);
}
+EXPORT_SYMBOL_GPL(svc_proc_unregister);
-void
-rpc_proc_init(void)
+int rpc_proc_init(struct net *net)
{
- dprintk("RPC: registering /proc/net/rpc\n");
- if (!proc_net_rpc) {
- struct proc_dir_entry *ent;
- ent = proc_mkdir("rpc", proc_net);
- if (ent) {
- ent->owner = THIS_MODULE;
- proc_net_rpc = ent;
- }
- }
+ struct sunrpc_net *sn;
+
+ dprintk("RPC: registering /proc/net/rpc\n");
+ sn = net_generic(net, sunrpc_net_id);
+ sn->proc_net_rpc = proc_mkdir("rpc", net->proc_net);
+ if (sn->proc_net_rpc == NULL)
+ return -ENOMEM;
+
+ return 0;
}
-void
-rpc_proc_exit(void)
+void rpc_proc_exit(struct net *net)
{
- dprintk("RPC: unregistering /proc/net/rpc\n");
- if (proc_net_rpc) {
- proc_net_rpc = NULL;
- remove_proc_entry("net/rpc", NULL);
- }
+ dprintk("RPC: unregistering /proc/net/rpc\n");
+ remove_proc_entry("rpc", net->proc_net);
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-06 07:51:53 +0000