text: #ifndef PER_CPU_H
  #define PER_CPU_H
  #include <hypervisor.h>
  #include <bsp_extern.h>
  #include <schedule.h>
  #include <version.h>
  #include <irq.h>
  #include <sbuf.h>
  #include <gdt.h>
  #include <timer.h>
  #include <logmsg.h>
  #include "arch/x86/guest/instr_emul_wrapper.h"
  
  struct per_cpu_region {
  	uint64_t *sbuf[ACRN_SBUF_ID_MAX];
  	uint64_t irq_count[NR_MAX_IRQS];
  	uint64_t vmexit_cnt[64];
  	uint64_t vmexit_time[64];
  	uint64_t softirq_pending;
  	uint64_t spurious;
  	uint64_t vmxon_region_pa;
  	struct dev_handler_node *timer_node;
  	struct shared_buf *earlylog_sbuf;
  	void *vcpu;
  	void *ever_run_vcpu;
  #ifdef STACK_PROTECTOR
  	struct stack_canary stack_canary;
  #endif
  	struct per_cpu_timers cpu_timers;
  	struct sched_context sched_ctx;
  	struct emul_cnx g_inst_ctxt;
  	struct host_gdt gdt;
  	struct tss_64 tss;
  	int state;
  	uint8_t mc_stack[CONFIG_STACK_SIZE] __aligned(16);
  	uint8_t df_stack[CONFIG_STACK_SIZE] __aligned(16);
  	uint8_t sf_stack[CONFIG_STACK_SIZE] __aligned(16);
  	uint8_t stack[CONFIG_STACK_SIZE] __aligned(16);
  	char logbuf[LOG_MESSAGE_MAX_SIZE];
  	uint8_t lapic_id;
  } __aligned(CPU_PAGE_SIZE); //per_cpu_region size aligned with CPU_PAGE_SIZE
  
  extern struct per_cpu_region *per_cpu_data_base_ptr;
  extern int phy_cpu_num;
  extern uint64_t pcpu_active_bitmap;
  /*
   * get percpu data for pcpu_id.
   */
  #define per_cpu(name, pcpu_id)	\
  	(per_cpu_data_base_ptr[pcpu_id].name)
  
  /* get percpu data for current pcpu */
  #define get_cpu_var(name)	per_cpu(name, get_cpu_id())
  #endif
  