tracing: Convert event tracing code to use NR_syscalls
Convert the syscalls event tracing code to use NR_syscalls, instead of FTRACE_SYSCALL_MAX. NR_syscalls is standard accross most arches, and reduces code confusion/complexity. Signed-off-by: Jason Baron <jbaron@redhat.com> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Cc: Jiaying Zhang <jiayingz@google.com> Cc: Martin Bligh <mbligh@google.com> Cc: Li Zefan <lizf@cn.fujitsu.com> Cc: Josh Stone <jistone@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: H. Peter Anwin <hpa@zytor.com> Cc: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> LKML-Reference: <9b4f1a84ecae57cc6599412772efa36f0d2b815b.1251146513.git.jbaron@redhat.com> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
This commit is contained in:

committed by
Frederic Weisbecker

parent
a5a2f8e2ac
commit
57421dbbdc
@@ -11,8 +11,8 @@
|
||||
static DEFINE_MUTEX(syscall_trace_lock);
|
||||
static int sys_refcount_enter;
|
||||
static int sys_refcount_exit;
|
||||
static DECLARE_BITMAP(enabled_enter_syscalls, FTRACE_SYSCALL_MAX);
|
||||
static DECLARE_BITMAP(enabled_exit_syscalls, FTRACE_SYSCALL_MAX);
|
||||
static DECLARE_BITMAP(enabled_enter_syscalls, NR_syscalls);
|
||||
static DECLARE_BITMAP(enabled_exit_syscalls, NR_syscalls);
|
||||
|
||||
enum print_line_t
|
||||
print_syscall_enter(struct trace_iterator *iter, int flags)
|
||||
@@ -289,7 +289,7 @@ int reg_event_syscall_enter(void *ptr)
|
||||
|
||||
name = (char *)ptr;
|
||||
num = syscall_name_to_nr(name);
|
||||
if (num < 0 || num >= FTRACE_SYSCALL_MAX)
|
||||
if (num < 0 || num >= NR_syscalls)
|
||||
return -ENOSYS;
|
||||
mutex_lock(&syscall_trace_lock);
|
||||
if (!sys_refcount_enter)
|
||||
@@ -312,7 +312,7 @@ void unreg_event_syscall_enter(void *ptr)
|
||||
|
||||
name = (char *)ptr;
|
||||
num = syscall_name_to_nr(name);
|
||||
if (num < 0 || num >= FTRACE_SYSCALL_MAX)
|
||||
if (num < 0 || num >= NR_syscalls)
|
||||
return;
|
||||
mutex_lock(&syscall_trace_lock);
|
||||
sys_refcount_enter--;
|
||||
@@ -330,7 +330,7 @@ int reg_event_syscall_exit(void *ptr)
|
||||
|
||||
name = (char *)ptr;
|
||||
num = syscall_name_to_nr(name);
|
||||
if (num < 0 || num >= FTRACE_SYSCALL_MAX)
|
||||
if (num < 0 || num >= NR_syscalls)
|
||||
return -ENOSYS;
|
||||
mutex_lock(&syscall_trace_lock);
|
||||
if (!sys_refcount_exit)
|
||||
@@ -353,7 +353,7 @@ void unreg_event_syscall_exit(void *ptr)
|
||||
|
||||
name = (char *)ptr;
|
||||
num = syscall_name_to_nr(name);
|
||||
if (num < 0 || num >= FTRACE_SYSCALL_MAX)
|
||||
if (num < 0 || num >= NR_syscalls)
|
||||
return;
|
||||
mutex_lock(&syscall_trace_lock);
|
||||
sys_refcount_exit--;
|
||||
@@ -373,8 +373,8 @@ struct trace_event event_syscall_exit = {
|
||||
|
||||
#ifdef CONFIG_EVENT_PROFILE
|
||||
|
||||
static DECLARE_BITMAP(enabled_prof_enter_syscalls, FTRACE_SYSCALL_MAX);
|
||||
static DECLARE_BITMAP(enabled_prof_exit_syscalls, FTRACE_SYSCALL_MAX);
|
||||
static DECLARE_BITMAP(enabled_prof_enter_syscalls, NR_syscalls);
|
||||
static DECLARE_BITMAP(enabled_prof_exit_syscalls, NR_syscalls);
|
||||
static int sys_prof_refcount_enter;
|
||||
static int sys_prof_refcount_exit;
|
||||
|
||||
@@ -420,7 +420,7 @@ int reg_prof_syscall_enter(char *name)
|
||||
int num;
|
||||
|
||||
num = syscall_name_to_nr(name);
|
||||
if (num < 0 || num >= FTRACE_SYSCALL_MAX)
|
||||
if (num < 0 || num >= NR_syscalls)
|
||||
return -ENOSYS;
|
||||
|
||||
mutex_lock(&syscall_trace_lock);
|
||||
@@ -442,7 +442,7 @@ void unreg_prof_syscall_enter(char *name)
|
||||
int num;
|
||||
|
||||
num = syscall_name_to_nr(name);
|
||||
if (num < 0 || num >= FTRACE_SYSCALL_MAX)
|
||||
if (num < 0 || num >= NR_syscalls)
|
||||
return;
|
||||
|
||||
mutex_lock(&syscall_trace_lock);
|
||||
@@ -481,7 +481,7 @@ int reg_prof_syscall_exit(char *name)
|
||||
int num;
|
||||
|
||||
num = syscall_name_to_nr(name);
|
||||
if (num < 0 || num >= FTRACE_SYSCALL_MAX)
|
||||
if (num < 0 || num >= NR_syscalls)
|
||||
return -ENOSYS;
|
||||
|
||||
mutex_lock(&syscall_trace_lock);
|
||||
@@ -503,7 +503,7 @@ void unreg_prof_syscall_exit(char *name)
|
||||
int num;
|
||||
|
||||
num = syscall_name_to_nr(name);
|
||||
if (num < 0 || num >= FTRACE_SYSCALL_MAX)
|
||||
if (num < 0 || num >= NR_syscalls)
|
||||
return;
|
||||
|
||||
mutex_lock(&syscall_trace_lock);
|
||||
|
Reference in New Issue
Block a user