Attachment 292554 Details for Bug 248787 – debug patch -- add sysrq handler to call rpc_show_tasks()

[patch] debug patch -- add sysrq handler to call rpc_show_tasks()

rpc_show_sysrq.patch (text/plain), 1.42 KB, created by Jeff Layton on 2008-01-22 19:59:10 UTC

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Creator: Jeff Layton

Created: 2008-01-22 19:59:10 UTC

Size: 1.42 KB

patch

obsolete

>diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
>index aa2205a..c30d652 100644
>--- a/net/sunrpc/sched.c
>+++ b/net/sunrpc/sched.c
>@@ -1252,10 +1252,12 @@ void rpc_show_tasks(void)
> 	struct rpc_task *t;
> 
> 	spin_lock(&rpc_sched_lock);
>+#if 0
> 	if (list_empty(&all_tasks)) {
> 		spin_unlock(&rpc_sched_lock);
> 		return;
> 	}
>+#endif
> 	printk("-pid- proc flgs status -client- -prog- --rqstp- -timeout "
> 		"-rpcwait -action- --exit--\n");
> 	alltask_for_each(t, le, &all_tasks)
>diff --git a/net/sunrpc/sunrpc_syms.c b/net/sunrpc/sunrpc_syms.c
>index 801ae3a..e53f296 100644
>--- a/net/sunrpc/sunrpc_syms.c
>+++ b/net/sunrpc/sunrpc_syms.c
>@@ -15,6 +15,7 @@
> #include <linux/uio.h>
> #include <linux/unistd.h>
> #include <linux/init.h>
>+#include <linux/sysrq.h>
> 
> #include <linux/sunrpc/sched.h>
> #include <linux/sunrpc/clnt.h>
>@@ -153,6 +154,19 @@ EXPORT_SYMBOL(nlm_debug);
> extern int register_rpc_pipefs(void);
> extern void unregister_rpc_pipefs(void);
> 
>+static void sysrq_rpc_show_tasks(int key, struct pt_regs *pt_regs,
>+					struct tty_struct *tty)
>+{
>+	rpc_show_tasks();
>+}
>+
>+static struct sysrq_key_op rpc_show_sysrq = 
>+{
>+	.help_msg = "rpcQueue",
>+	.action_msg = "Dump RPC Queue",
>+	.handler = sysrq_rpc_show_tasks
>+};
>+
> static int __init
> init_sunrpc(void)
> {
>@@ -164,6 +178,7 @@ init_sunrpc(void)
> 		goto out;
> #ifdef RPC_DEBUG
> 	rpc_register_sysctl();
>+	register_sysrq_key('q', &rpc_show_sysrq);
> #endif
> #ifdef CONFIG_PROC_FS
> 	rpc_proc_init();

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Attachments on bug 248787: 292554 | 292949