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/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 * @file op_x86_model.h
 3 * interface to x86 model-specific MSR operations
 4 *
 5 * @remark Copyright 2002 OProfile authors
 6 * @remark Read the file COPYING
 7 *
 8 * @author Graydon Hoare
 9 */
10
11#ifndef OP_X86_MODEL_H
12#define OP_X86_MODEL_H
13
14struct op_saved_msr {
15	unsigned int high;
16	unsigned int low;
17};
18
19struct op_msr {
20	unsigned long addr;
21	struct op_saved_msr saved;
22};
23
24struct op_msrs {
25	struct op_msr * counters;
26	struct op_msr * controls;
27};
28
29struct pt_regs;
30
31/* The model vtable abstracts the differences between
32 * various x86 CPU model's perfctr support.
33 */
34struct op_x86_model_spec {
35	unsigned int const num_counters;
36	unsigned int const num_controls;
37	void (*fill_in_addresses)(struct op_msrs * const msrs);
38	void (*setup_ctrs)(struct op_msrs const * const msrs);
39	int (*check_ctrs)(struct pt_regs * const regs,
40		struct op_msrs const * const msrs);
41	void (*start)(struct op_msrs const * const msrs);
42	void (*stop)(struct op_msrs const * const msrs);
43};
44
45extern struct op_x86_model_spec const op_ppro_spec;
46extern struct op_x86_model_spec const op_p4_spec;
47extern struct op_x86_model_spec const op_p4_ht2_spec;
48extern struct op_x86_model_spec const op_athlon_spec;
49
50#endif /* OP_X86_MODEL_H */