arch/riscv/kvm/trace.h

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Tracepoints for RISC-V KVM
   4  *
   5  * Copyright 2024 Beijing ESWIN Computing Technology Co., Ltd.
   6  *
   7  */
   8 #if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
   9 #define _TRACE_KVM_H
  10
  11 #include <linux/tracepoint.h>
  12
  13 #undef TRACE_SYSTEM
  14 #define TRACE_SYSTEM kvm
  15
  16 TRACE_EVENT(kvm_entry,
  17         TP_PROTO(struct kvm_vcpu *vcpu),
  18         TP_ARGS(vcpu),
  19
  20         TP_STRUCT__entry(
  21                 __field(unsigned long, pc)
  22         ),
  23
  24         TP_fast_assign(
  25                 __entry->pc     = vcpu->arch.guest_context.sepc;
  26         ),
  27
  28         TP_printk("PC: 0x016%lx", __entry->pc)
  29 );
  30
  31 TRACE_EVENT(kvm_exit,
  32         TP_PROTO(struct kvm_cpu_trap *trap),
  33         TP_ARGS(trap),
  34
  35         TP_STRUCT__entry(
  36                 __field(unsigned long, sepc)
  37                 __field(unsigned long, scause)
  38                 __field(unsigned long, stval)
  39                 __field(unsigned long, htval)
  40                 __field(unsigned long, htinst)
  41         ),
  42
  43         TP_fast_assign(
  44                 __entry->sepc           = trap->sepc;
  45                 __entry->scause         = trap->scause;
  46                 __entry->stval          = trap->stval;
  47                 __entry->htval          = trap->htval;
  48                 __entry->htinst         = trap->htinst;
  49         ),
  50
  51         TP_printk("SEPC:0x%lx, SCAUSE:0x%lx, STVAL:0x%lx, HTVAL:0x%lx, HTINST:0x%lx",
  52                 __entry->sepc,
  53                 __entry->scause,
  54                 __entry->stval,
  55                 __entry->htval,
  56                 __entry->htinst)
  57 );
  58
  59 #endif /* _TRACE_RSICV_KVM_H */
  60
  61 #undef TRACE_INCLUDE_PATH
  62 #define TRACE_INCLUDE_PATH .
  63 #undef TRACE_INCLUDE_FILE
  64 #define TRACE_INCLUDE_FILE trace
  65
  66 /* This part must be outside protection */
  67 #include <trace/define_trace.h>