1*4882a593Smuzhiyun /** 2*4882a593Smuzhiyun * @file oprof.h 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * @remark Copyright 2002 OProfile authors 5*4882a593Smuzhiyun * @remark Read the file COPYING 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * @author John Levon <levon@movementarian.org> 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #ifndef OPROF_H 11*4882a593Smuzhiyun #define OPROF_H 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun int oprofile_setup(void); 14*4882a593Smuzhiyun void oprofile_shutdown(void); 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun int oprofilefs_register(void); 17*4882a593Smuzhiyun void oprofilefs_unregister(void); 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun int oprofile_start(void); 20*4882a593Smuzhiyun void oprofile_stop(void); 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun struct oprofile_operations; 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun extern unsigned long oprofile_buffer_size; 25*4882a593Smuzhiyun extern unsigned long oprofile_cpu_buffer_size; 26*4882a593Smuzhiyun extern unsigned long oprofile_buffer_watershed; 27*4882a593Smuzhiyun extern unsigned long oprofile_time_slice; 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun extern struct oprofile_operations oprofile_ops; 30*4882a593Smuzhiyun extern unsigned long oprofile_started; 31*4882a593Smuzhiyun extern unsigned long oprofile_backtrace_depth; 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun struct dentry; 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun void oprofile_create_files(struct dentry *root); 36*4882a593Smuzhiyun int oprofile_timer_init(struct oprofile_operations *ops); 37*4882a593Smuzhiyun #ifdef CONFIG_OPROFILE_NMI_TIMER 38*4882a593Smuzhiyun int op_nmi_timer_init(struct oprofile_operations *ops); 39*4882a593Smuzhiyun #else op_nmi_timer_init(struct oprofile_operations * ops)40*4882a593Smuzhiyunstatic inline int op_nmi_timer_init(struct oprofile_operations *ops) 41*4882a593Smuzhiyun { 42*4882a593Smuzhiyun return -ENODEV; 43*4882a593Smuzhiyun } 44*4882a593Smuzhiyun #endif 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun int oprofile_set_ulong(unsigned long *addr, unsigned long val); 48*4882a593Smuzhiyun int oprofile_set_timeout(unsigned long time); 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun #endif /* OPROF_H */ 51