commit 3bbe84e9d385205d638035ee9dcc4db1b486ea08
author Lai Jiangshan <laijs@cn.fujitsu.com> Tue Dec 01 16:24:01 2009 +0800
committer Ingo Molnar <mingo@elte.hu> Tue Dec 01 17:33:30 2009 +0100
tree e7261e9a3ca13f6e2fd34333e4ccab33b265c32e
parent a1301da0997bf73c44dbe584e9070a13adc89672

trace_syscalls: Simplify syscall profile

use only one prof_sysenter_enable() instead of
prof_sysenter_enable_##sname()

use only one prof_sysenter_disable() instead of
prof_sysenter_disable_##sname()

use only one prof_sysexit_enable() instead of
prof_sysexit_enable_##sname()

use only one prof_sysexit_disable() instead of
prof_sysexit_disable_##sname()

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Acked-by: Jason Baron <jbaron@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <4B14D2A1.8060304@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

kernel/trace/trace_syscalls.c

diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index c651409..1e85b6c 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -520,14 +520,12 @@
 	local_irq_restore(flags);
 }
 
-int reg_prof_syscall_enter(char *name)
+int prof_sysenter_enable(struct ftrace_event_call *call)
 {
 	int ret = 0;
 	int num;
 
-	num = syscall_name_to_nr(name);
-	if (num < 0 || num >= NR_syscalls)
-		return -ENOSYS;
+	num = ((struct syscall_metadata *)call->data)->syscall_nr;
 
 	mutex_lock(&syscall_trace_lock);
 	if (!sys_prof_refcount_enter)
@@ -543,13 +541,11 @@
 	return ret;
 }
 
-void unreg_prof_syscall_enter(char *name)
+void prof_sysenter_disable(struct ftrace_event_call *call)
 {
 	int num;
 
-	num = syscall_name_to_nr(name);
-	if (num < 0 || num >= NR_syscalls)
-		return;
+	num = ((struct syscall_metadata *)call->data)->syscall_nr;
 
 	mutex_lock(&syscall_trace_lock);
 	sys_prof_refcount_enter--;
@@ -625,14 +621,12 @@
 	local_irq_restore(flags);
 }
 
-int reg_prof_syscall_exit(char *name)
+int prof_sysexit_enable(struct ftrace_event_call *call)
 {
 	int ret = 0;
 	int num;
 
-	num = syscall_name_to_nr(name);
-	if (num < 0 || num >= NR_syscalls)
-		return -ENOSYS;
+	num = ((struct syscall_metadata *)call->data)->syscall_nr;
 
 	mutex_lock(&syscall_trace_lock);
 	if (!sys_prof_refcount_exit)
@@ -648,13 +642,11 @@
 	return ret;
 }
 
-void unreg_prof_syscall_exit(char *name)
+void prof_sysexit_disable(struct ftrace_event_call *call)
 {
 	int num;
 
-	num = syscall_name_to_nr(name);
-	if (num < 0 || num >= NR_syscalls)
-		return;
+	num = ((struct syscall_metadata *)call->data)->syscall_nr;
 
 	mutex_lock(&syscall_trace_lock);
 	sys_prof_refcount_exit--;