Quelle  kvm.h   Sprache: C

/* SPDX-License-Identifier: GPL-2.0 */
#if !defined(_TRACE_KVM_MAIN_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_KVM_MAIN_H

#include <linux/tracepoint.h>

#undef TRACE_SYSTEM
#define TRACE_SYSTEM kvm

#define ERSN(x) { KVM_EXIT_##x, "KVM_EXIT_" #x }

#define kvm_trace_exit_reason      \
 ERSN(UNKNOWN), ERSN(EXCEPTION), ERSN(IO), ERSN(HYPERCALL), \
 ERSN(DEBUG), ERSN(HLT), ERSN(MMIO), ERSN(IRQ_WINDOW_OPEN), \
 ERSN(SHUTDOWN), ERSN(FAIL_ENTRY), ERSN(INTR), ERSN(SET_TPR), \
 ERSN(TPR_ACCESS), ERSN(S390_SIEIC), ERSN(S390_RESET), ERSN(DCR),\
 ERSN(NMI), ERSN(INTERNAL_ERROR), ERSN(OSI), ERSN(PAPR_HCALL), \
 ERSN(S390_UCONTROL), ERSN(WATCHDOG), ERSN(S390_TSCH), ERSN(EPR),\
 ERSN(SYSTEM_EVENT), ERSN(S390_STSI), ERSN(IOAPIC_EOI),          \
 ERSN(HYPERV), ERSN(ARM_NISV), ERSN(X86_RDMSR), ERSN(X86_WRMSR)

TRACE_EVENT(kvm_userspace_exit,
     TP_PROTO(__u32 reason, int errno),
     TP_ARGS(reason, errno),

 TP_STRUCT__entry(
  __field( __u32,  reason  )
  __field( int,  errno  )
 ),

 TP_fast_assign(
  __entry->reason  = reason;
  __entry->errno  = errno;
 ),

 TP_printk("reason %s (%d)",
    __entry->errno < 0 ?
    (__entry->errno == -EINTR ? "restart" : "error") :
    __print_symbolic(__entry->reason, kvm_trace_exit_reason),
    __entry->errno < 0 ? -__entry->errno : __entry->reason)
);

TRACE_EVENT(kvm_vcpu_wakeup,
     TP_PROTO(__u64 ns, bool waited, bool valid),
     TP_ARGS(ns, waited, valid),

 TP_STRUCT__entry(
  __field( __u64,  ns  )
  __field( bool,  waited  )
  __field( bool,  valid  )
 ),

 TP_fast_assign(
  __entry->ns  = ns;
  __entry->waited  = waited;
  __entry->valid  = valid;
 ),

 TP_printk("%s time %lld ns, polling %s",
    __entry->waited ? "wait" : "poll",
    __entry->ns,
    __entry->valid ? "valid" : "invalid")
);

#if defined(CONFIG_HAVE_KVM_IRQCHIP)
TRACE_EVENT(kvm_set_irq,
 TP_PROTO(unsigned int gsi, int level, int irq_source_id),
 TP_ARGS(gsi, level, irq_source_id),

 TP_STRUCT__entry(
  __field( unsigned int, gsi  )
  __field( int,  level  )
  __field( int,  irq_source_id )
 ),

 TP_fast_assign(
  __entry->gsi  = gsi;
  __entry->level  = level;
  __entry->irq_source_id = irq_source_id;
 ),

 TP_printk("gsi %u level %d source %d",
    __entry->gsi, __entry->level, __entry->irq_source_id)
);

#ifdef CONFIG_KVM_IOAPIC

#define kvm_irqchips      \
 {KVM_IRQCHIP_PIC_MASTER, "PIC master"},  \
 {KVM_IRQCHIP_PIC_SLAVE,  "PIC slave"},  \
 {KVM_IRQCHIP_IOAPIC,  "IOAPIC"}

#endif /* CONFIG_KVM_IOAPIC */

#ifdef kvm_irqchips
#define kvm_ack_irq_string "irqchip %s pin %u"
#define kvm_ack_irq_parm  __print_symbolic(__entry->irqchip, kvm_irqchips), __entry->pin
#else
#define kvm_ack_irq_string "irqchip %d pin %u"
#define kvm_ack_irq_parm  __entry->irqchip, __entry->pin
#endif

TRACE_EVENT(kvm_ack_irq,
 TP_PROTO(unsigned int irqchip, unsigned int pin),
 TP_ARGS(irqchip, pin),

 TP_STRUCT__entry(
  __field( unsigned int, irqchip  )
  __field( unsigned int, pin  )
 ),

 TP_fast_assign(
  __entry->irqchip = irqchip;
  __entry->pin  = pin;
 ),

 TP_printk(kvm_ack_irq_string, kvm_ack_irq_parm)
);

#endif /* defined(CONFIG_HAVE_KVM_IRQCHIP) */



#define KVM_TRACE_MMIO_READ_UNSATISFIED 0
#define KVM_TRACE_MMIO_READ 1
#define KVM_TRACE_MMIO_WRITE 2

#define kvm_trace_symbol_mmio \
 { KVM_TRACE_MMIO_READ_UNSATISFIED, "unsatisfied-read" }, \
 { KVM_TRACE_MMIO_READ, "read" }, \
 { KVM_TRACE_MMIO_WRITE, "write" }

TRACE_EVENT(kvm_mmio,
 TP_PROTO(int type, int len, u64 gpa, void *val),
 TP_ARGS(type, len, gpa, val),

 TP_STRUCT__entry(
  __field( u32, type  )
  __field( u32, len  )
  __field( u64, gpa  )
  __field( u64, val  )
 ),

 TP_fast_assign(
  __entry->type  = type;
  __entry->len  = len;
  __entry->gpa  = gpa;
  __entry->val  = 0;
  if (val)
   memcpy(&__entry->val, val,
          min_t(u32, sizeof(__entry->val), len));
 ),

 TP_printk("mmio %s len %u gpa 0x%llx val 0x%llx",
    __print_symbolic(__entry->type, kvm_trace_symbol_mmio),
    __entry->len, __entry->gpa, __entry->val)
);

#define KVM_TRACE_IOCSR_READ_UNSATISFIED 0
#define KVM_TRACE_IOCSR_READ 1
#define KVM_TRACE_IOCSR_WRITE 2

#define kvm_trace_symbol_iocsr \
 { KVM_TRACE_IOCSR_READ_UNSATISFIED, "unsatisfied-read" }, \
 { KVM_TRACE_IOCSR_READ, "read" }, \
 { KVM_TRACE_IOCSR_WRITE, "write" }

TRACE_EVENT(kvm_iocsr,
 TP_PROTO(int type, int len, u64 gpa, void *val),
 TP_ARGS(type, len, gpa, val),

 TP_STRUCT__entry(
  __field( u32, type )
  __field( u32, len )
  __field( u64, gpa )
  __field( u64, val )
 ),

 TP_fast_assign(
  __entry->type  = type;
  __entry->len  = len;
  __entry->gpa  = gpa;
  __entry->val  = 0;
  if (val)
   memcpy(&__entry->val, val,
          min_t(u32, sizeof(__entry->val), len));
 ),

 TP_printk("iocsr %s len %u gpa 0x%llx val 0x%llx",
    __print_symbolic(__entry->type, kvm_trace_symbol_iocsr),
    __entry->len, __entry->gpa, __entry->val)
);

#define kvm_fpu_load_symbol \
 {0, "unload"},  \
 {1, "load"}

TRACE_EVENT(kvm_fpu,
 TP_PROTO(int load),
 TP_ARGS(load),

 TP_STRUCT__entry(
  __field( u32,         load  )
 ),

 TP_fast_assign(
  __entry->load  = load;
 ),

 TP_printk("%s", __print_symbolic(__entry->load, kvm_fpu_load_symbol))
);

#ifdef CONFIG_KVM_ASYNC_PF
DECLARE_EVENT_CLASS(kvm_async_get_page_class,

 TP_PROTO(u64 gva, u64 gfn),

 TP_ARGS(gva, gfn),

 TP_STRUCT__entry(
  __field(__u64, gva)
  __field(u64, gfn)
 ),

 TP_fast_assign(
  __entry->gva = gva;
  __entry->gfn = gfn;
 ),

 TP_printk("gva = %#llx, gfn = %#llx", __entry->gva, __entry->gfn)
);

DEFINE_EVENT(kvm_async_get_page_class, kvm_try_async_get_page,

 TP_PROTO(u64 gva, u64 gfn),

 TP_ARGS(gva, gfn)
);

DEFINE_EVENT(kvm_async_get_page_class, kvm_async_pf_repeated_fault,

 TP_PROTO(u64 gva, u64 gfn),

 TP_ARGS(gva, gfn)
);

DECLARE_EVENT_CLASS(kvm_async_pf_nopresent_ready,

 TP_PROTO(u64 token, u64 gva),

 TP_ARGS(token, gva),

 TP_STRUCT__entry(
  __field(__u64, token)
  __field(__u64, gva)
 ),

 TP_fast_assign(
  __entry->token = token;
  __entry->gva = gva;
 ),

 TP_printk("token %#llx gva %#llx", __entry->token, __entry->gva)

);

DEFINE_EVENT(kvm_async_pf_nopresent_ready, kvm_async_pf_not_present,

 TP_PROTO(u64 token, u64 gva),

 TP_ARGS(token, gva)
);

DEFINE_EVENT(kvm_async_pf_nopresent_ready, kvm_async_pf_ready,

 TP_PROTO(u64 token, u64 gva),

 TP_ARGS(token, gva)
);

TRACE_EVENT(
 kvm_async_pf_completed,
 TP_PROTO(unsigned long address, u64 gva),
 TP_ARGS(address, gva),

 TP_STRUCT__entry(
  __field(unsigned long, address)
  __field(u64, gva)
  ),

 TP_fast_assign(
  __entry->address = address;
  __entry->gva = gva;
  ),

 TP_printk("gva %#llx address %#lx",  __entry->gva,
    __entry->address)
);

#endif

TRACE_EVENT(kvm_halt_poll_ns,
 TP_PROTO(bool grow, unsigned int vcpu_id, unsigned int new,
   unsigned int old),
 TP_ARGS(grow, vcpu_id, new, old),

 TP_STRUCT__entry(
  __field(bool, grow)
  __field(unsigned int, vcpu_id)
  __field(unsigned int, new)
  __field(unsigned int, old)
 ),

 TP_fast_assign(
  __entry->grow           = grow;
  __entry->vcpu_id        = vcpu_id;
  __entry->new            = new;
  __entry->old            = old;
 ),

 TP_printk("vcpu %u: halt_poll_ns %u (%s %u)",
   __entry->vcpu_id,
   __entry->new,
   __entry->grow ? "grow" : "shrink",
   __entry->old)
);

#define trace_kvm_halt_poll_ns_grow(vcpu_id, new, old) \
 trace_kvm_halt_poll_ns(true, vcpu_id, new, old)
#define trace_kvm_halt_poll_ns_shrink(vcpu_id, new, old) \
 trace_kvm_halt_poll_ns(false, vcpu_id, new, old)

TRACE_EVENT(kvm_dirty_ring_push,
 TP_PROTO(struct kvm_dirty_ring *ring, u32 slot, u64 offset),
 TP_ARGS(ring, slot, offset),

 TP_STRUCT__entry(
  __field(int, index)
  __field(u32, dirty_index)
  __field(u32, reset_index)
  __field(u32, slot)
  __field(u64, offset)
 ),

 TP_fast_assign(
  __entry->index          = ring->index;
  __entry->dirty_index    = ring->dirty_index;
  __entry->reset_index    = ring->reset_index;
  __entry->slot           = slot;
  __entry->offset         = offset;
 ),

 TP_printk("ring %d: dirty 0x%x reset 0x%x "
    "slot %u offset 0x%llx (used %u)",
    __entry->index, __entry->dirty_index,
    __entry->reset_index,  __entry->slot, __entry->offset,
    __entry->dirty_index - __entry->reset_index)
);

TRACE_EVENT(kvm_dirty_ring_reset,
 TP_PROTO(struct kvm_dirty_ring *ring),
 TP_ARGS(ring),

 TP_STRUCT__entry(
  __field(int, index)
  __field(u32, dirty_index)
  __field(u32, reset_index)
 ),

 TP_fast_assign(
  __entry->index          = ring->index;
  __entry->dirty_index    = ring->dirty_index;
  __entry->reset_index    = ring->reset_index;
 ),

 TP_printk("ring %d: dirty 0x%x reset 0x%x (used %u)",
    __entry->index, __entry->dirty_index, __entry->reset_index,
    __entry->dirty_index - __entry->reset_index)
);

TRACE_EVENT(kvm_dirty_ring_exit,
 TP_PROTO(struct kvm_vcpu *vcpu),
 TP_ARGS(vcpu),

 TP_STRUCT__entry(
     __field(int, vcpu_id)
 ),

 TP_fast_assign(
     __entry->vcpu_id = vcpu->vcpu_id;
 ),

 TP_printk("vcpu %d", __entry->vcpu_id)
);

#ifdef CONFIG_KVM_GENERIC_MEMORY_ATTRIBUTES
/*
 * @start: Starting address of guest memory range
 * @end: End address of guest memory range
 * @attr: The value of the attribute being set.
 */
TRACE_EVENT(kvm_vm_set_mem_attributes,
 TP_PROTO(gfn_t start, gfn_t end, unsigned long attr),
 TP_ARGS(start, end, attr),

 TP_STRUCT__entry(
  __field(gfn_t,  start)
  __field(gfn_t,  end)
  __field(unsigned long, attr)
 ),

 TP_fast_assign(
  __entry->start  = start;
  __entry->end  = end;
  __entry->attr  = attr;
 ),

 TP_printk("%#016llx -- %#016llx [0x%lx]",
    __entry->start, __entry->end, __entry->attr)
);
#endif /* CONFIG_KVM_GENERIC_MEMORY_ATTRIBUTES */

TRACE_EVENT(kvm_unmap_hva_range,
 TP_PROTO(unsigned long start, unsigned long end),
 TP_ARGS(start, end),

 TP_STRUCT__entry(
  __field( unsigned long, start  )
  __field( unsigned long, end  )
 ),

 TP_fast_assign(
  __entry->start  = start;
  __entry->end  = end;
 ),

 TP_printk("mmu notifier unmap range: %#016lx -- %#016lx",
    __entry->start, __entry->end)
);

TRACE_EVENT(kvm_age_hva,
 TP_PROTO(unsigned long start, unsigned long end),
 TP_ARGS(start, end),

 TP_STRUCT__entry(
  __field( unsigned long, start  )
  __field( unsigned long, end  )
 ),

 TP_fast_assign(
  __entry->start  = start;
  __entry->end  = end;
 ),

 TP_printk("mmu notifier age hva: %#016lx -- %#016lx",
    __entry->start, __entry->end)
);

TRACE_EVENT(kvm_test_age_hva,
 TP_PROTO(unsigned long hva),
 TP_ARGS(hva),

 TP_STRUCT__entry(
  __field( unsigned long, hva  )
 ),

 TP_fast_assign(
  __entry->hva  = hva;
 ),

 TP_printk("mmu notifier test age hva: %#016lx", __entry->hva)
);

#endif /* _TRACE_KVM_MAIN_H */

/* This part must be outside protection */
#include <trace/define_trace.h>