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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2009-09-18 02:54:43 +0400 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2009-09-18 08:14:32 +0400 |
| commit | e5e25cf47b0bdd1f7e9b8bb6368ee48e16de0c87 (patch) | |
| tree | 043e6215359853812130324a24e3d03511b41e2b /include/linux/syscalls.h | |
| parent | 0efb4d20723d58edbad29d1ff98a86b631adb5e6 (diff) | |
| download | linux-e5e25cf47b0bdd1f7e9b8bb6368ee48e16de0c87.tar.xz | |
tracing: Factorize the events profile accounting
Factorize the events enabling accounting in a common tracing core
helper. This reduces the size of the profile_enable() and
profile_disable() callbacks for each trace events.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Acked-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Jason Baron <jbaron@redhat.com>
Cc: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/syscalls.h')
| -rw-r--r-- | include/linux/syscalls.h | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index a8e37821cc60..7d9803cbb20f 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -100,33 +100,25 @@ struct perf_counter_attr; #ifdef CONFIG_EVENT_PROFILE #define TRACE_SYS_ENTER_PROFILE(sname) \ -static int prof_sysenter_enable_##sname(struct ftrace_event_call *event_call) \ +static int prof_sysenter_enable_##sname(void) \ { \ - int ret = 0; \ - if (!atomic_inc_return(&event_enter_##sname.profile_count)) \ - ret = reg_prof_syscall_enter("sys"#sname); \ - return ret; \ + return reg_prof_syscall_enter("sys"#sname); \ } \ \ -static void prof_sysenter_disable_##sname(struct ftrace_event_call *event_call)\ +static void prof_sysenter_disable_##sname(void) \ { \ - if (atomic_add_negative(-1, &event_enter_##sname.profile_count)) \ - unreg_prof_syscall_enter("sys"#sname); \ + unreg_prof_syscall_enter("sys"#sname); \ } #define TRACE_SYS_EXIT_PROFILE(sname) \ -static int prof_sysexit_enable_##sname(struct ftrace_event_call *event_call) \ +static int prof_sysexit_enable_##sname(void) \ { \ - int ret = 0; \ - if (!atomic_inc_return(&event_exit_##sname.profile_count)) \ - ret = reg_prof_syscall_exit("sys"#sname); \ - return ret; \ + return reg_prof_syscall_exit("sys"#sname); \ } \ \ -static void prof_sysexit_disable_##sname(struct ftrace_event_call *event_call) \ +static void prof_sysexit_disable_##sname(void) \ { \ - if (atomic_add_negative(-1, &event_exit_##sname.profile_count)) \ - unreg_prof_syscall_exit("sys"#sname); \ + unreg_prof_syscall_exit("sys"#sname); \ } #define TRACE_SYS_ENTER_PROFILE_INIT(sname) \ |