/arch/i386/oprofile/op_x86_model.h

https://bitbucket.org/evzijst/gittest · C Header · 50 lines · 30 code · 8 blank · 12 comment · 0 complexity · f6d20531a1c74bc359c296de3e4b8e6d MD5 · raw file 

    

  1. /**
    2. 

  2.  * @file op_x86_model.h
    3. 

  3.  * interface to x86 model-specific MSR operations
    4. 

  4.  *
    5. 

  5.  * @remark Copyright 2002 OProfile authors
    6. 

  6.  * @remark Read the file COPYING
    7. 

  7.  *
    8. 

  8.  * @author Graydon Hoare
    9. 

  9.  */
    10. 

  10. 

  11. #ifndef OP_X86_MODEL_H
    12. 

  12. #define OP_X86_MODEL_H
    13. 

  13. 

  14. struct op_saved_msr {
    15. 

  15. 	unsigned int high;
    16. 

  16. 	unsigned int low;
    17. 

  17. };
    18. 

  18. 

  19. struct op_msr {
    20. 

  20. 	unsigned long addr;
    21. 

  21. 	struct op_saved_msr saved;
    22. 

  22. };
    23. 

  23. 

  24. struct op_msrs {
    25. 

  25. 	struct op_msr * counters;
    26. 

  26. 	struct op_msr * controls;
    27. 

  27. };
    28. 

  28. 

  29. struct pt_regs;
    30. 

  30. 

  31. /* The model vtable abstracts the differences between
    32. 

  32.  * various x86 CPU model's perfctr support.
    33. 

  33.  */
    34. 

  34. struct op_x86_model_spec {
    35. 

  35. 	unsigned int const num_counters;
    36. 

  36. 	unsigned int const num_controls;
    37. 

  37. 	void (*fill_in_addresses)(struct op_msrs * const msrs);
    38. 

  38. 	void (*setup_ctrs)(struct op_msrs const * const msrs);
    39. 

  39. 	int (*check_ctrs)(struct pt_regs * const regs,
    40. 

  40. 		struct op_msrs const * const msrs);
    41. 

  41. 	void (*start)(struct op_msrs const * const msrs);
    42. 

  42. 	void (*stop)(struct op_msrs const * const msrs);
    43. 

  43. };
    44. 

  44. 

  45. extern struct op_x86_model_spec const op_ppro_spec;
    46. 

  46. extern struct op_x86_model_spec const op_p4_spec;
    47. 

  47. extern struct op_x86_model_spec const op_p4_ht2_spec;
    48. 

  48. extern struct op_x86_model_spec const op_athlon_spec;
    49. 

  49. 

  50. #endif /* OP_X86_MODEL_H */
    51.