diff options
Diffstat (limited to 'arch/x86/events/intel/pt.h')
| -rw-r--r-- | arch/x86/events/intel/pt.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/arch/x86/events/intel/pt.h b/arch/x86/events/intel/pt.h index 3abb5f5cccc8..efffa4a09f68 100644 --- a/arch/x86/events/intel/pt.h +++ b/arch/x86/events/intel/pt.h @@ -20,6 +20,40 @@ #define __INTEL_PT_H__ /* + * PT MSR bit definitions + */ +#define RTIT_CTL_TRACEEN BIT(0) +#define RTIT_CTL_CYCLEACC BIT(1) +#define RTIT_CTL_OS BIT(2) +#define RTIT_CTL_USR BIT(3) +#define RTIT_CTL_CR3EN BIT(7) +#define RTIT_CTL_TOPA BIT(8) +#define RTIT_CTL_MTC_EN BIT(9) +#define RTIT_CTL_TSC_EN BIT(10) +#define RTIT_CTL_DISRETC BIT(11) +#define RTIT_CTL_BRANCH_EN BIT(13) +#define RTIT_CTL_MTC_RANGE_OFFSET 14 +#define RTIT_CTL_MTC_RANGE (0x0full << RTIT_CTL_MTC_RANGE_OFFSET) +#define RTIT_CTL_CYC_THRESH_OFFSET 19 +#define RTIT_CTL_CYC_THRESH (0x0full << RTIT_CTL_CYC_THRESH_OFFSET) +#define RTIT_CTL_PSB_FREQ_OFFSET 24 +#define RTIT_CTL_PSB_FREQ (0x0full << RTIT_CTL_PSB_FREQ_OFFSET) +#define RTIT_CTL_ADDR0_OFFSET 32 +#define RTIT_CTL_ADDR0 (0x0full << RTIT_CTL_ADDR0_OFFSET) +#define RTIT_CTL_ADDR1_OFFSET 36 +#define RTIT_CTL_ADDR1 (0x0full << RTIT_CTL_ADDR1_OFFSET) +#define RTIT_CTL_ADDR2_OFFSET 40 +#define RTIT_CTL_ADDR2 (0x0full << RTIT_CTL_ADDR2_OFFSET) +#define RTIT_CTL_ADDR3_OFFSET 44 +#define RTIT_CTL_ADDR3 (0x0full << RTIT_CTL_ADDR3_OFFSET) +#define RTIT_STATUS_FILTEREN BIT(0) +#define RTIT_STATUS_CONTEXTEN BIT(1) +#define RTIT_STATUS_TRIGGEREN BIT(2) +#define RTIT_STATUS_BUFFOVF BIT(3) +#define RTIT_STATUS_ERROR BIT(4) +#define RTIT_STATUS_STOPPED BIT(5) + +/* * Single-entry ToPA: when this close to region boundary, switch * buffers to avoid losing data. */ @@ -48,15 +82,20 @@ struct topa_entry { #define PT_CPUID_LEAVES 2 #define PT_CPUID_REGS_NUM 4 /* number of regsters (eax, ebx, ecx, edx) */ +/* TSC to Core Crystal Clock Ratio */ +#define CPUID_TSC_LEAF 0x15 + enum pt_capabilities { PT_CAP_max_subleaf = 0, PT_CAP_cr3_filtering, PT_CAP_psb_cyc, + PT_CAP_ip_filtering, PT_CAP_mtc, PT_CAP_topa_output, PT_CAP_topa_multiple_entries, PT_CAP_single_range_output, PT_CAP_payloads_lip, + PT_CAP_num_address_ranges, PT_CAP_mtc_periods, PT_CAP_cycle_thresholds, PT_CAP_psb_periods, @@ -66,6 +105,9 @@ struct pt_pmu { struct pmu pmu; u32 caps[PT_CPUID_REGS_NUM * PT_CPUID_LEAVES]; bool vmx; + unsigned long max_nonturbo_ratio; + unsigned int tsc_art_num; + unsigned int tsc_art_den; }; /** @@ -104,14 +146,40 @@ struct pt_buffer { struct topa_entry *topa_index[0]; }; +#define PT_FILTERS_NUM 4 + +/** + * struct pt_filter - IP range filter configuration + * @msr_a: range start, goes to RTIT_ADDRn_A + * @msr_b: range end, goes to RTIT_ADDRn_B + * @config: 4-bit field in RTIT_CTL + */ +struct pt_filter { + unsigned long msr_a; + unsigned long msr_b; + unsigned long config; +}; + +/** + * struct pt_filters - IP range filtering context + * @filter: filters defined for this context + * @nr_filters: number of defined filters in the @filter array + */ +struct pt_filters { + struct pt_filter filter[PT_FILTERS_NUM]; + unsigned int nr_filters; +}; + /** * struct pt - per-cpu pt context * @handle: perf output handle + * @filters: last configured filters * @handle_nmi: do handle PT PMI on this cpu, there's an active event * @vmx_on: 1 if VMX is ON on this cpu */ struct pt { struct perf_output_handle handle; + struct pt_filters filters; int handle_nmi; int vmx_on; }; |