Merge branches 'tracing/ftrace', 'tracing/syscalls' and 'linus' into tracing/core

[cascardo/linux.git] / include / linux / ftrace.h

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 9d598bb..db3fed6 100644 (file)
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -505,13 +505,21 @@ static inline void trace_hw_branch_oops(void) {}
 /*
  * A syscall entry in the ftrace syscalls array.
  *
- * @syscall_nr: syscall number
+ * @name: name of the syscall
+ * @nb_args: number of parameters it takes
+ * @types: list of types as strings
+ * @args: list of args as strings (args[i] matches types[i])
  */
-struct syscall_trace_entry {
-       int             syscall_nr;
+struct syscall_metadata {
+       const char      *name;
+       int             nb_args;
+       const char      **types;
+       const char      **args;
 };
 
 #ifdef CONFIG_FTRACE_SYSCALLS
+extern void arch_init_ftrace_syscalls(void);
+extern struct syscall_metadata *syscall_nr_to_meta(int nr);
 extern void start_ftrace_syscalls(void);
 extern void stop_ftrace_syscalls(void);
 extern void ftrace_syscall_enter(struct pt_regs *regs);