arch/mips/kvm/trace.h

   1 /*
   2  * This file is subject to the terms and conditions of the GNU General Public
   3  * License.  See the file "COPYING" in the main directory of this archive
   4  * for more details.
   5  *
   6  * Copyright (C) 2012  MIPS Technologies, Inc.  All rights reserved.
   7  * Authors: Sanjay Lal <sanjayl@kymasys.com>
   8  */
   9
  10 #if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
  11 #define _TRACE_KVM_H
  12
  13 #include <linux/tracepoint.h>
  14
  15 #undef TRACE_SYSTEM
  16 #define TRACE_SYSTEM kvm
  17 #define TRACE_INCLUDE_PATH .
  18 #define TRACE_INCLUDE_FILE trace
  19
  20 /* Tracepoints for VM eists */
  21 extern char *kvm_mips_exit_types_str[MAX_KVM_MIPS_EXIT_TYPES];
  22
  23 TRACE_EVENT(kvm_exit,
  24             TP_PROTO(struct kvm_vcpu *vcpu, unsigned int reason),
  25             TP_ARGS(vcpu, reason),
  26             TP_STRUCT__entry(
  27                         __field(unsigned long, pc)
  28                         __field(unsigned int, reason)
  29             ),
  30
  31             TP_fast_assign(
  32                         __entry->pc = vcpu->arch.pc;
  33                         __entry->reason = reason;
  34             ),
  35
  36             TP_printk("[%s]PC: 0x%08lx",
  37                       kvm_mips_exit_types_str[__entry->reason],
  38                       __entry->pc)
  39 );
  40
  41 #define KVM_TRACE_AUX_RESTORE           0
  42 #define KVM_TRACE_AUX_SAVE              1
  43 #define KVM_TRACE_AUX_ENABLE            2
  44 #define KVM_TRACE_AUX_DISABLE           3
  45 #define KVM_TRACE_AUX_DISCARD           4
  46
  47 #define KVM_TRACE_AUX_FPU               1
  48 #define KVM_TRACE_AUX_MSA               2
  49 #define KVM_TRACE_AUX_FPU_MSA           3
  50
  51 #define kvm_trace_symbol_aux_op         \
  52         { KVM_TRACE_AUX_RESTORE, "restore" },   \
  53         { KVM_TRACE_AUX_SAVE,    "save" },      \
  54         { KVM_TRACE_AUX_ENABLE,  "enable" },    \
  55         { KVM_TRACE_AUX_DISABLE, "disable" },   \
  56         { KVM_TRACE_AUX_DISCARD, "discard" }
  57
  58 #define kvm_trace_symbol_aux_state              \
  59         { KVM_TRACE_AUX_FPU,     "FPU" },       \
  60         { KVM_TRACE_AUX_MSA,     "MSA" },       \
  61         { KVM_TRACE_AUX_FPU_MSA, "FPU & MSA" }
  62
  63 TRACE_EVENT(kvm_aux,
  64             TP_PROTO(struct kvm_vcpu *vcpu, unsigned int op,
  65                      unsigned int state),
  66             TP_ARGS(vcpu, op, state),
  67             TP_STRUCT__entry(
  68                         __field(unsigned long, pc)
  69                         __field(u8, op)
  70                         __field(u8, state)
  71             ),
  72
  73             TP_fast_assign(
  74                         __entry->pc = vcpu->arch.pc;
  75                         __entry->op = op;
  76                         __entry->state = state;
  77             ),
  78
  79             TP_printk("%s %s PC: 0x%08lx",
  80                       __print_symbolic(__entry->op,
  81                                        kvm_trace_symbol_aux_op),
  82                       __print_symbolic(__entry->state,
  83                                        kvm_trace_symbol_aux_state),
  84                       __entry->pc)
  85 );
  86
  87 #endif /* _TRACE_KVM_H */
  88
  89 /* This part must be outside protection */
  90 #include <trace/define_trace.h>