forked from Minki/linux
4c168eaf7e
Reverting commit 1a960b402a for the main
branch. Multiplexing will be tracked on a separate feature branch.
Conflicts:
arch/x86/oprofile/nmi_int.c
54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
/**
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* @file op_x86_model.h
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* interface to x86 model-specific MSR operations
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*
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* @remark Copyright 2002 OProfile authors
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* @remark Read the file COPYING
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*
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* @author Graydon Hoare
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*/
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#ifndef OP_X86_MODEL_H
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#define OP_X86_MODEL_H
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struct op_saved_msr {
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unsigned int high;
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unsigned int low;
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};
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struct op_msr {
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unsigned long addr;
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struct op_saved_msr saved;
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};
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struct op_msrs {
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struct op_msr * counters;
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struct op_msr * controls;
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};
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struct pt_regs;
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/* The model vtable abstracts the differences between
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* various x86 CPU models' perfctr support.
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*/
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struct op_x86_model_spec {
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int (*init)(struct oprofile_operations *ops);
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void (*exit)(void);
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unsigned int const num_counters;
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unsigned int const num_controls;
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void (*fill_in_addresses)(struct op_msrs * const msrs);
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void (*setup_ctrs)(struct op_msrs const * const msrs);
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int (*check_ctrs)(struct pt_regs * const regs,
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struct op_msrs const * const msrs);
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void (*start)(struct op_msrs const * const msrs);
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void (*stop)(struct op_msrs const * const msrs);
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void (*shutdown)(struct op_msrs const * const msrs);
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};
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extern struct op_x86_model_spec const op_ppro_spec;
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extern struct op_x86_model_spec const op_p4_spec;
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extern struct op_x86_model_spec const op_p4_ht2_spec;
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extern struct op_x86_model_spec const op_amd_spec;
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#endif /* OP_X86_MODEL_H */
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