diff options
Diffstat (limited to 'arch/x86/include/asm')
-rw-r--r-- | arch/x86/include/asm/insn.h | 7 | ||||
-rw-r--r-- | arch/x86/include/asm/perf_event.h | 29 |
2 files changed, 36 insertions, 0 deletions
diff --git a/arch/x86/include/asm/insn.h b/arch/x86/include/asm/insn.h index 88c765e16410..74df3f1eddfd 100644 --- a/arch/x86/include/asm/insn.h +++ b/arch/x86/include/asm/insn.h @@ -137,6 +137,13 @@ static inline int insn_is_avx(struct insn *insn) return (insn->vex_prefix.value != 0); } +/* Ensure this instruction is decoded completely */ +static inline int insn_complete(struct insn *insn) +{ + return insn->opcode.got && insn->modrm.got && insn->sib.got && + insn->displacement.got && insn->immediate.got; +} + static inline insn_byte_t insn_vex_m_bits(struct insn *insn) { if (insn->vex_prefix.nbytes == 2) /* 2 bytes VEX */ diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h index f61c62f7d5d8..b50e9d15aae0 100644 --- a/arch/x86/include/asm/perf_event.h +++ b/arch/x86/include/asm/perf_event.h @@ -57,6 +57,7 @@ (1 << (ARCH_PERFMON_UNHALTED_CORE_CYCLES_INDEX)) #define ARCH_PERFMON_BRANCH_MISSES_RETIRED 6 +#define ARCH_PERFMON_EVENTS_COUNT 7 /* * Intel "Architectural Performance Monitoring" CPUID @@ -72,6 +73,19 @@ union cpuid10_eax { unsigned int full; }; +union cpuid10_ebx { + struct { + unsigned int no_unhalted_core_cycles:1; + unsigned int no_instructions_retired:1; + unsigned int no_unhalted_reference_cycles:1; + unsigned int no_llc_reference:1; + unsigned int no_llc_misses:1; + unsigned int no_branch_instruction_retired:1; + unsigned int no_branch_misses_retired:1; + } split; + unsigned int full; +}; + union cpuid10_edx { struct { unsigned int num_counters_fixed:5; @@ -81,6 +95,15 @@ union cpuid10_edx { unsigned int full; }; +struct x86_pmu_capability { + int version; + int num_counters_gp; + int num_counters_fixed; + int bit_width_gp; + int bit_width_fixed; + unsigned int events_mask; + int events_mask_len; +}; /* * Fixed-purpose performance events: @@ -202,6 +225,7 @@ struct perf_guest_switch_msr { }; extern struct perf_guest_switch_msr *perf_guest_get_msrs(int *nr); +extern void perf_get_x86_pmu_capability(struct x86_pmu_capability *cap); #else static inline perf_guest_switch_msr *perf_guest_get_msrs(int *nr) { @@ -209,6 +233,11 @@ static inline perf_guest_switch_msr *perf_guest_get_msrs(int *nr) return NULL; } +static inline void perf_get_x86_pmu_capability(struct x86_pmu_capability *cap) +{ + memset(cap, 0, sizeof(*cap)); +} + static inline void perf_events_lapic_init(void) { } #endif |