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acrn-hypervisor/hypervisor/include/debug/profiling_internal.h

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/*
* Copyright (C) 2018 int32_tel Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef PROFILING_INTERNAL_H
#define PROFILING_INTERNAL_H
#ifdef PROFILING_ON
#include <asm/guest/vcpu.h>
#include <asm/vm_config.h>
#define MAX_MSR_LIST_NUM 15U
#define MAX_PROFILING_MSR_STORE_NUM 1
#define MAX_HV_MSR_LIST_NUM (MSR_AREA_COUNT)
#define MAX_GROUP_NUM 1U
#define COLLECT_PROFILE_DATA 0
#define COLLECT_POWER_DATA 1
#define SEP_BUF_ENTRY_SIZE 32U
#define SOCWATCH_MSR_OP 100U
#define MAGIC_NUMBER 0x99999988U
enum MSR_CMD_STATUS {
MSR_OP_READY = 0,
MSR_OP_REQUESTED,
MSR_OP_HANDLED
};
enum MSR_CMD_TYPE {
MSR_OP_NONE = 0,
MSR_OP_READ,
MSR_OP_WRITE,
MSR_OP_READ_CLEAR
};
enum PMU_MSR_TYPE {
PMU_MSR_CCCR = 0,
PMU_MSR_ESCR,
PMU_MSR_DATA
};
typedef enum IPI_COMMANDS {
IPI_MSR_OP = 0,
IPI_PMU_CONFIG,
IPI_PMU_START,
IPI_PMU_STOP,
IPI_VMSW_CONFIG,
IPI_UNKNOWN,
} ipi_commands;
typedef enum SEP_PMU_STATE {
PMU_INITIALIZED = 0,
PMU_SETUP,
PMU_RUNNING,
PMU_UNINITIALIZED,
PMU_UNKNOWN
} sep_pmu_state;
typedef enum PROFILING_SEP_FEATURE {
CORE_PMU_SAMPLING = 0,
CORE_PMU_COUNTING,
PEBS_PMU_SAMPLING,
LBR_PMU_SAMPLING,
UNCORE_PMU_SAMPLING,
VM_SWITCH_TRACING,
MAX_SEP_FEATURE_ID
} profiling_sep_feature;
typedef enum SOCWATCH_STATE {
SW_SETUP = 0,
SW_RUNNING,
SW_STOPPED
} socwatch_state;
typedef enum PROFILING_SOCWATCH_FEATURE {
SOCWATCH_COMMAND = 0,
SOCWATCH_VM_SWITCH_TRACING,
MAX_SOCWATCH_FEATURE_ID
} profiling_socwatch_feature;
struct profiling_version_info {
int32_t major;
int32_t minor;
int64_t supported_features;
int64_t reserved;
};
struct profiling_pcpuid {
uint32_t leaf;
uint32_t subleaf;
uint32_t eax;
uint32_t ebx;
uint32_t ecx;
uint32_t edx;
};
struct profiling_control {
int32_t collector_id;
int32_t reserved;
uint64_t switches;
};
struct profiling_vcpu_pcpu_map {
int16_t vcpu_id;
int16_t pcpu_id;
uint32_t apic_id;
};
struct profiling_vm_info {
uint16_t vm_id_num;
uint8_t uuid[16];
char vm_name[16];
uint16_t num_vcpus;
struct profiling_vcpu_pcpu_map cpu_map[MAX_VCPUS_PER_VM];
};
struct profiling_vm_info_list {
uint16_t num_vms;
struct profiling_vm_info vm_list[CONFIG_MAX_VM_NUM+1];
};
struct sw_msr_op_info {
uint64_t core_msr[MAX_MSR_LIST_NUM];
uint32_t cpu_id;
uint32_t valid_entries;
uint16_t sample_id;
};
struct profiling_msr_op {
/* value to write or location to write into */
uint64_t value;
/* MSR address to read/write; last entry will have value of -1 */
uint32_t msr_id;
/* parameter; usage depends on operation */
uint16_t param;
uint8_t msr_op_type;
uint8_t reg_type;
};
struct profiling_msr_ops_list {
int32_t collector_id;
uint32_t num_entries;
int32_t msr_op_state;
struct profiling_msr_op entries[MAX_MSR_LIST_NUM];
};
struct profiling_pmi_config {
uint32_t num_groups;
uint32_t trigger_count;
struct profiling_msr_op initial_list[MAX_GROUP_NUM][MAX_MSR_LIST_NUM];
struct profiling_msr_op start_list[MAX_GROUP_NUM][MAX_MSR_LIST_NUM];
struct profiling_msr_op stop_list[MAX_GROUP_NUM][MAX_MSR_LIST_NUM];
struct profiling_msr_op entry_list[MAX_GROUP_NUM][MAX_MSR_LIST_NUM];
struct profiling_msr_op exit_list[MAX_GROUP_NUM][MAX_MSR_LIST_NUM];
};
struct profiling_vmsw_config {
int32_t collector_id;
struct profiling_msr_op initial_list[MAX_MSR_LIST_NUM];
struct profiling_msr_op entry_list[MAX_MSR_LIST_NUM];
struct profiling_msr_op exit_list[MAX_MSR_LIST_NUM];
};
struct guest_vm_info {
uint64_t vmenter_tsc;
uint64_t vmexit_tsc;
uint64_t vmexit_reason;
uint64_t guest_rip;
uint64_t guest_rflags;
uint64_t guest_cs;
uint16_t guest_vm_id;
int32_t external_vector;
};
struct profiling_status {
uint32_t samples_logged;
uint32_t samples_dropped;
};
struct sep_state {
sep_pmu_state pmu_state;
uint32_t current_pmi_group_id;
uint32_t num_pmi_groups;
struct profiling_msr_op
pmi_initial_msr_list[MAX_GROUP_NUM][MAX_MSR_LIST_NUM];
struct profiling_msr_op
pmi_start_msr_list[MAX_GROUP_NUM][MAX_MSR_LIST_NUM];
struct profiling_msr_op
pmi_stop_msr_list[MAX_GROUP_NUM][MAX_MSR_LIST_NUM];
struct profiling_msr_op
pmi_entry_msr_list[MAX_GROUP_NUM][MAX_MSR_LIST_NUM];
struct profiling_msr_op
pmi_exit_msr_list[MAX_GROUP_NUM][MAX_MSR_LIST_NUM];
uint32_t current_vmsw_group_id;
uint32_t num_msw_groups;
struct profiling_msr_op
vmsw_initial_msr_list[MAX_GROUP_NUM][MAX_MSR_LIST_NUM];
struct profiling_msr_op
vmsw_entry_msr_list[MAX_GROUP_NUM][MAX_MSR_LIST_NUM];
struct profiling_msr_op
vmsw_exit_msr_list[MAX_GROUP_NUM][MAX_MSR_LIST_NUM];
/* sep handling statistics */
uint32_t samples_logged;
uint32_t samples_dropped;
uint32_t valid_pmi_count;
uint32_t total_pmi_count;
uint32_t total_vmexit_count;
uint32_t frozen_well;
uint32_t frozen_delayed;
uint32_t nofrozen_pmi;
struct msr_store_entry vmexit_msr_list[MAX_PROFILING_MSR_STORE_NUM + MAX_HV_MSR_LIST_NUM];
uint32_t vmexit_msr_cnt;
uint64_t guest_debugctl_value;
uint64_t saved_debugctl_value;
} __aligned(8);
struct data_header {
int32_t collector_id;
uint16_t cpu_id;
uint16_t data_type;
uint64_t tsc;
uint64_t payload_size;
uint64_t reserved;
} __aligned(SEP_BUF_ENTRY_SIZE);
#define DATA_HEADER_SIZE ((uint64_t)sizeof(struct data_header))
struct core_pmu_sample {
/* context where PMI is triggered */
uint16_t os_id;
/* reserved */
uint16_t reserved;
/* the task id */
uint32_t task_id;
/* instruction pointer */
uint64_t rip;
/* the task name */
char task[16];
/* physical cpu ID */
uint32_t cpu_id;
/* the process id */
uint32_t process_id;
/* perf global status msr value (for overflow status) */
uint64_t overflow_status;
/* rflags */
uint32_t rflags;
/* code segment */
uint32_t cs;
} __aligned(SEP_BUF_ENTRY_SIZE);
#define CORE_PMU_SAMPLE_SIZE ((uint64_t)sizeof(struct core_pmu_sample))
#define NUM_LBR_ENTRY 32
struct lbr_pmu_sample {
/* LBR TOS */
uint64_t lbr_tos;
/* LBR FROM IP */
uint64_t lbr_from_ip[NUM_LBR_ENTRY];
/* LBR TO IP */
uint64_t lbr_to_ip[NUM_LBR_ENTRY];
/* LBR info */
uint64_t lbr_info[NUM_LBR_ENTRY];
} __aligned(SEP_BUF_ENTRY_SIZE);
#define LBR_PMU_SAMPLE_SIZE ((uint64_t)sizeof(struct lbr_pmu_sample))
struct pmu_sample {
/* core pmu sample */
struct core_pmu_sample csample;
/* lbr pmu sample */
struct lbr_pmu_sample lsample;
} __aligned(SEP_BUF_ENTRY_SIZE);
struct vm_switch_trace {
uint64_t vm_enter_tsc;
uint64_t vm_exit_tsc;
uint64_t vm_exit_reason;
uint16_t os_id;
uint16_t reserved;
}__aligned(SEP_BUF_ENTRY_SIZE);
#define VM_SWITCH_TRACE_SIZE ((uint64_t)sizeof(struct vm_switch_trace))
/*
* Wrapper containing SEP sampling/profiling related data structures
*/
struct profiling_info_wrapper {
struct profiling_msr_ops_list *msr_node;
struct sep_state s_state;
struct guest_vm_info vm_info;
ipi_commands ipi_cmd;
struct pmu_sample p_sample;
struct vm_switch_trace vm_trace;
socwatch_state soc_state;
struct sw_msr_op_info sw_msr_info;
spinlock_t sw_lock;
} __aligned(8);
int32_t profiling_get_version_info(struct acrn_vm *vm, uint64_t addr);
int32_t profiling_get_pcpu_id(struct acrn_vm *vm, uint64_t addr);
int32_t profiling_msr_ops_all_cpus(struct acrn_vm *vm, uint64_t addr);
int32_t profiling_vm_list_info(struct acrn_vm *vm, uint64_t addr);
int32_t profiling_get_control(struct acrn_vm *vm, uint64_t addr);
int32_t profiling_set_control(struct acrn_vm *vm, uint64_t addr);
int32_t profiling_configure_pmi(struct acrn_vm *vm, uint64_t addr);
int32_t profiling_configure_vmsw(struct acrn_vm *vm, uint64_t addr);
void profiling_ipi_handler(void *data);
int32_t profiling_get_status_info(struct acrn_vm *vm, uint64_t addr);
#endif
#endif /* PROFILING_INTERNAL_H */
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