op_cpu_type.h revision cc2ee177dbb3befca43e36cfc56778b006c3d050 
1/**
2 * @file op_cpu_type.h
3 * CPU type determination
4 *
5 * @remark Copyright 2002 OProfile authors
6 * @remark Read the file COPYING
7 *
8 * @author John Levon
9 * @author Philippe Elie
10 */
11
12#ifndef OP_CPU_TYPE_H
13#define OP_CPU_TYPE_H
14
15#ifdef __cplusplus
16extern "C" {
17#endif
18
19/** supported cpu type */
20typedef enum {
21	CPU_NO_GOOD = -1, /**< unsupported CPU type */
22	CPU_PPRO, /**< Pentium Pro */
23	CPU_PII, /**< Pentium II series */
24	CPU_PIII, /**< Pentium III series */
25	CPU_ATHLON, /**< AMD P6 series */
26	CPU_TIMER_INT, /**< CPU using the timer interrupt */
27	CPU_RTC, /**< other CPU to use the RTC */
28	CPU_P4,  /**< Pentium 4 / Xeon series */
29	CPU_IA64, /**< Generic IA64 */
30	CPU_IA64_1, /**< IA64 Merced */
31	CPU_IA64_2, /**< IA64 McKinley */
32	CPU_HAMMER, /**< AMD Hammer family */
33	CPU_P4_HT2, /**< Pentium 4 / Xeon series with 2 hyper-threads */
34	CPU_AXP_EV4, /**< Alpha EV4 family */
35	CPU_AXP_EV5, /**< Alpha EV5 family */
36	CPU_AXP_PCA56, /**< Alpha PCA56 family */
37	CPU_AXP_EV6, /**< Alpha EV6 family */
38	CPU_AXP_EV67, /**< Alpha EV67 family */
39	CPU_P6_MOBILE, /**< Pentium M series */
40	CPU_ARM_XSCALE1, /**< ARM XScale 1 */
41	CPU_ARM_XSCALE2, /**< ARM XScale 2 */
42	CPU_PPC64_POWER4, /**< ppc64 POWER4 family */
43	CPU_PPC64_POWER5, /**< ppc64 POWER5 family */
44	CPU_PPC64_970, /**< ppc64 970 family */
45	CPU_MIPS_24K, /**< MIPS 24K */
46	CPU_MIPS_R10000, /**< MIPS R10000 */
47	CPU_MIPS_R12000, /**< MIPS R12000 */
48	CPU_MIPS_RM7000, /**< QED  RM7000 */
49	CPU_MIPS_RM9000, /**< PMC-Sierra RM9000 */
50	CPU_MIPS_SB1, /**< Broadcom SB1 */
51	CPU_MIPS_VR5432, /**< NEC VR5432 */
52	CPU_MIPS_VR5500, /**< MIPS VR5500, VR5532 and VR7701 */
53	CPU_PPC_E500,	/**< e500 */
54	MAX_CPU_TYPE
55} op_cpu;
56
57/**
58 * get the CPU type from the kernel
59 *
60 * returns CPU_NO_GOOD if the CPU could not be identified.
61 * This function can not work if the module is not loaded
62 */
63op_cpu op_get_cpu_type(void);
64
65/**
66 * get the cpu number based on string
67 * @param cpu_string with either the cpu type identifier or cpu type number
68 *
69 * The function returns CPU_NO_GOOD if no matching string was found.
70 */
71op_cpu op_get_cpu_number(char const * cpu_string);
72
73/**
74 * get the cpu string.
75 * @param cpu_type the cpu type identifier
76 *
77 * The function always return a valid char const * the core cpu denomination
78 * or "invalid cpu type" if cpu_type is not valid.
79 */
80char const * op_get_cpu_type_str(op_cpu cpu_type);
81
82/**
83 * op_get_cpu_name - get the cpu name
84 * @param cpu_type  the cpu identifier name
85 *
86 * The function always return a valid char const *
87 * Return the OProfile CPU name, e.g. "i386/pii"
88 */
89char const * op_get_cpu_name(op_cpu cpu_type);
90
91/**
92 * compute the number of counters available
93 * @param cpu_type numeric processor type
94 *
95 * returns 0 if the CPU could not be identified
96 */
97int op_get_nr_counters(op_cpu cpu_type);
98
99typedef enum {
100	OP_INTERFACE_NO_GOOD = -1,
101	OP_INTERFACE_24,
102	OP_INTERFACE_26
103} op_interface;
104
105/**
106 * get the INTERFACE used to communicate between daemon and the kernel
107 *
108 * returns OP_INTERFACE_NO_GOOD if the INTERFACE could not be identified.
109 * This function will identify the interface as OP_INTERFACE_NO_GOOD if
110 * the module is not loaded.
111 */
112op_interface op_get_interface(void);
113
114#ifdef __cplusplus
115}
116#endif
117
118#endif /* OP_CPU_TYPE_H */
119