diff options
Diffstat (limited to 'tools/perf/util/intel-pt-decoder/intel-pt-decoder.h')
| -rw-r--r-- | tools/perf/util/intel-pt-decoder/intel-pt-decoder.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.h b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.h index 754efa8b501f..9957f2ccdca8 100644 --- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.h +++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.h @@ -30,6 +30,7 @@ enum intel_pt_sample_type { INTEL_PT_CBR_CHG = 1 << 8, INTEL_PT_TRACE_BEGIN = 1 << 9, INTEL_PT_TRACE_END = 1 << 10, + INTEL_PT_BLK_ITEMS = 1 << 11, }; enum intel_pt_period_type { @@ -61,6 +62,141 @@ enum intel_pt_param_flags { INTEL_PT_FUP_WITH_NLIP = 1 << 0, }; +enum intel_pt_blk_type { + INTEL_PT_GP_REGS = 1, + INTEL_PT_PEBS_BASIC = 4, + INTEL_PT_PEBS_MEM = 5, + INTEL_PT_LBR_0 = 8, + INTEL_PT_LBR_1 = 9, + INTEL_PT_LBR_2 = 10, + INTEL_PT_XMM = 16, + INTEL_PT_BLK_TYPE_MAX +}; + +/* + * The block type numbers are not sequential but here they are given sequential + * positions to avoid wasting space for array placement. + */ +enum intel_pt_blk_type_pos { + INTEL_PT_GP_REGS_POS, + INTEL_PT_PEBS_BASIC_POS, + INTEL_PT_PEBS_MEM_POS, + INTEL_PT_LBR_0_POS, + INTEL_PT_LBR_1_POS, + INTEL_PT_LBR_2_POS, + INTEL_PT_XMM_POS, + INTEL_PT_BLK_TYPE_CNT +}; + +/* Get the array position for a block type */ +static inline int intel_pt_blk_type_pos(enum intel_pt_blk_type blk_type) +{ +#define BLK_TYPE(bt) [INTEL_PT_##bt] = INTEL_PT_##bt##_POS + 1 + const int map[INTEL_PT_BLK_TYPE_MAX] = { + BLK_TYPE(GP_REGS), + BLK_TYPE(PEBS_BASIC), + BLK_TYPE(PEBS_MEM), + BLK_TYPE(LBR_0), + BLK_TYPE(LBR_1), + BLK_TYPE(LBR_2), + BLK_TYPE(XMM), + }; +#undef BLK_TYPE + + return blk_type < INTEL_PT_BLK_TYPE_MAX ? map[blk_type] - 1 : -1; +} + +#define INTEL_PT_BLK_ITEM_ID_CNT 32 + +/* + * Use unions so that the block items can be accessed by name or by array index. + * There is an array of 32-bit masks for each block type, which indicate which + * values are present. Then arrays of 32 64-bit values for each block type. + */ +struct intel_pt_blk_items { + union { + uint32_t mask[INTEL_PT_BLK_TYPE_CNT]; + struct { + uint32_t has_rflags:1; + uint32_t has_rip:1; + uint32_t has_rax:1; + uint32_t has_rcx:1; + uint32_t has_rdx:1; + uint32_t has_rbx:1; + uint32_t has_rsp:1; + uint32_t has_rbp:1; + uint32_t has_rsi:1; + uint32_t has_rdi:1; + uint32_t has_r8:1; + uint32_t has_r9:1; + uint32_t has_r10:1; + uint32_t has_r11:1; + uint32_t has_r12:1; + uint32_t has_r13:1; + uint32_t has_r14:1; + uint32_t has_r15:1; + uint32_t has_unused_0:14; + uint32_t has_ip:1; + uint32_t has_applicable_counters:1; + uint32_t has_timestamp:1; + uint32_t has_unused_1:29; + uint32_t has_mem_access_address:1; + uint32_t has_mem_aux_info:1; + uint32_t has_mem_access_latency:1; + uint32_t has_tsx_aux_info:1; + uint32_t has_unused_2:28; + uint32_t has_lbr_0; + uint32_t has_lbr_1; + uint32_t has_lbr_2; + uint32_t has_xmm; + }; + }; + union { + uint64_t val[INTEL_PT_BLK_TYPE_CNT][INTEL_PT_BLK_ITEM_ID_CNT]; + struct { + struct { + uint64_t rflags; + uint64_t rip; + uint64_t rax; + uint64_t rcx; + uint64_t rdx; + uint64_t rbx; + uint64_t rsp; + uint64_t rbp; + uint64_t rsi; + uint64_t rdi; + uint64_t r8; + uint64_t r9; + uint64_t r10; + uint64_t r11; + uint64_t r12; + uint64_t r13; + uint64_t r14; + uint64_t r15; + uint64_t unused_0[INTEL_PT_BLK_ITEM_ID_CNT - 18]; + }; + struct { + uint64_t ip; + uint64_t applicable_counters; + uint64_t timestamp; + uint64_t unused_1[INTEL_PT_BLK_ITEM_ID_CNT - 3]; + }; + struct { + uint64_t mem_access_address; + uint64_t mem_aux_info; + uint64_t mem_access_latency; + uint64_t tsx_aux_info; + uint64_t unused_2[INTEL_PT_BLK_ITEM_ID_CNT - 4]; + }; + uint64_t lbr_0[INTEL_PT_BLK_ITEM_ID_CNT]; + uint64_t lbr_1[INTEL_PT_BLK_ITEM_ID_CNT]; + uint64_t lbr_2[INTEL_PT_BLK_ITEM_ID_CNT]; + uint64_t xmm[INTEL_PT_BLK_ITEM_ID_CNT]; + }; + }; + bool is_32_bit; +}; + struct intel_pt_state { enum intel_pt_sample_type type; int err; @@ -81,6 +217,7 @@ struct intel_pt_state { enum intel_pt_insn_op insn_op; int insn_len; char insn[INTEL_PT_INSN_BUF_SZ]; + struct intel_pt_blk_items items; }; struct intel_pt_insn; |