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trace_syscalls: Simplify syscall profile

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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>
This commit is contained in:
Lai Jiangshan
2009-12-01 16:24:01 +08:00
committed by Ingo Molnar
parent a1301da099
commit 3bbe84e9d3
3 changed files with 16 additions and 47 deletions
Download Patch File Download Diff File Expand all files Collapse all files
kernel/trace/trace_syscalls.c
+8 -16
View File
@@ -520,14 +520,12 @@ end_recursion:
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 @@ int reg_prof_syscall_enter(char *name)
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 @@ end_recursion:
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 @@ int reg_prof_syscall_exit(char *name)
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--;