275 lines
7.8 KiB
C
275 lines
7.8 KiB
C
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/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
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* Authors: Sanjay Lal <sanjayl@kymasys.com>
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*/
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#if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_KVM_H
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#include <linux/tracepoint.h>
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM kvm
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#define TRACE_INCLUDE_PATH .
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#define TRACE_INCLUDE_FILE trace
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/*
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* Tracepoints for VM enters
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*/
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DECLARE_EVENT_CLASS(kvm_transition,
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TP_PROTO(struct kvm_vcpu *vcpu),
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TP_ARGS(vcpu),
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TP_STRUCT__entry(
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__field(unsigned long, pc)
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),
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TP_fast_assign(
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__entry->pc = vcpu->arch.pc;
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),
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TP_printk("PC: 0x%08lx",
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__entry->pc)
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);
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DEFINE_EVENT(kvm_transition, kvm_enter,
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TP_PROTO(struct kvm_vcpu *vcpu),
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TP_ARGS(vcpu));
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DEFINE_EVENT(kvm_transition, kvm_reenter,
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TP_PROTO(struct kvm_vcpu *vcpu),
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TP_ARGS(vcpu));
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DEFINE_EVENT(kvm_transition, kvm_out,
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TP_PROTO(struct kvm_vcpu *vcpu),
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TP_ARGS(vcpu));
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/* The first 32 exit reasons correspond to Cause.ExcCode */
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#define KVM_TRACE_EXIT_INT 0
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#define KVM_TRACE_EXIT_TLBMOD 1
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#define KVM_TRACE_EXIT_TLBMISS_LD 2
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#define KVM_TRACE_EXIT_TLBMISS_ST 3
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#define KVM_TRACE_EXIT_ADDRERR_LD 4
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#define KVM_TRACE_EXIT_ADDRERR_ST 5
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#define KVM_TRACE_EXIT_SYSCALL 8
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#define KVM_TRACE_EXIT_BREAK_INST 9
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#define KVM_TRACE_EXIT_RESVD_INST 10
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#define KVM_TRACE_EXIT_COP_UNUSABLE 11
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#define KVM_TRACE_EXIT_TRAP_INST 13
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#define KVM_TRACE_EXIT_MSA_FPE 14
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#define KVM_TRACE_EXIT_FPE 15
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#define KVM_TRACE_EXIT_MSA_DISABLED 21
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/* Further exit reasons */
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#define KVM_TRACE_EXIT_WAIT 32
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#define KVM_TRACE_EXIT_CACHE 33
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#define KVM_TRACE_EXIT_SIGNAL 34
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/* Tracepoints for VM exits */
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#define kvm_trace_symbol_exit_types \
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{ KVM_TRACE_EXIT_INT, "Interrupt" }, \
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{ KVM_TRACE_EXIT_TLBMOD, "TLB Mod" }, \
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{ KVM_TRACE_EXIT_TLBMISS_LD, "TLB Miss (LD)" }, \
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{ KVM_TRACE_EXIT_TLBMISS_ST, "TLB Miss (ST)" }, \
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{ KVM_TRACE_EXIT_ADDRERR_LD, "Address Error (LD)" }, \
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{ KVM_TRACE_EXIT_ADDRERR_ST, "Address Err (ST)" }, \
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{ KVM_TRACE_EXIT_SYSCALL, "System Call" }, \
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{ KVM_TRACE_EXIT_BREAK_INST, "Break Inst" }, \
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{ KVM_TRACE_EXIT_RESVD_INST, "Reserved Inst" }, \
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{ KVM_TRACE_EXIT_COP_UNUSABLE, "COP0/1 Unusable" }, \
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{ KVM_TRACE_EXIT_TRAP_INST, "Trap Inst" }, \
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{ KVM_TRACE_EXIT_MSA_FPE, "MSA FPE" }, \
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{ KVM_TRACE_EXIT_FPE, "FPE" }, \
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{ KVM_TRACE_EXIT_MSA_DISABLED, "MSA Disabled" }, \
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{ KVM_TRACE_EXIT_WAIT, "WAIT" }, \
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{ KVM_TRACE_EXIT_CACHE, "CACHE" }, \
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{ KVM_TRACE_EXIT_SIGNAL, "Signal" }
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TRACE_EVENT(kvm_exit,
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TP_PROTO(struct kvm_vcpu *vcpu, unsigned int reason),
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TP_ARGS(vcpu, reason),
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TP_STRUCT__entry(
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__field(unsigned long, pc)
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__field(unsigned int, reason)
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),
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TP_fast_assign(
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__entry->pc = vcpu->arch.pc;
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__entry->reason = reason;
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),
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TP_printk("[%s]PC: 0x%08lx",
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__print_symbolic(__entry->reason,
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kvm_trace_symbol_exit_types),
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__entry->pc)
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);
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#define KVM_TRACE_MFC0 0
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#define KVM_TRACE_MTC0 1
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#define KVM_TRACE_DMFC0 2
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#define KVM_TRACE_DMTC0 3
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#define KVM_TRACE_RDHWR 4
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#define KVM_TRACE_HWR_COP0 0
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#define KVM_TRACE_HWR_HWR 1
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#define KVM_TRACE_COP0(REG, SEL) ((KVM_TRACE_HWR_COP0 << 8) | \
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((REG) << 3) | (SEL))
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#define KVM_TRACE_HWR(REG, SEL) ((KVM_TRACE_HWR_HWR << 8) | \
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((REG) << 3) | (SEL))
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#define kvm_trace_symbol_hwr_ops \
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{ KVM_TRACE_MFC0, "MFC0" }, \
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{ KVM_TRACE_MTC0, "MTC0" }, \
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{ KVM_TRACE_DMFC0, "DMFC0" }, \
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{ KVM_TRACE_DMTC0, "DMTC0" }, \
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{ KVM_TRACE_RDHWR, "RDHWR" }
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#define kvm_trace_symbol_hwr_cop \
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{ KVM_TRACE_HWR_COP0, "COP0" }, \
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{ KVM_TRACE_HWR_HWR, "HWR" }
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#define kvm_trace_symbol_hwr_regs \
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{ KVM_TRACE_COP0( 0, 0), "Index" }, \
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{ KVM_TRACE_COP0( 2, 0), "EntryLo0" }, \
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{ KVM_TRACE_COP0( 3, 0), "EntryLo1" }, \
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{ KVM_TRACE_COP0( 4, 0), "Context" }, \
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{ KVM_TRACE_COP0( 4, 2), "UserLocal" }, \
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{ KVM_TRACE_COP0( 5, 0), "PageMask" }, \
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{ KVM_TRACE_COP0( 6, 0), "Wired" }, \
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{ KVM_TRACE_COP0( 7, 0), "HWREna" }, \
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{ KVM_TRACE_COP0( 8, 0), "BadVAddr" }, \
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{ KVM_TRACE_COP0( 9, 0), "Count" }, \
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{ KVM_TRACE_COP0(10, 0), "EntryHi" }, \
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{ KVM_TRACE_COP0(11, 0), "Compare" }, \
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{ KVM_TRACE_COP0(12, 0), "Status" }, \
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{ KVM_TRACE_COP0(12, 1), "IntCtl" }, \
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{ KVM_TRACE_COP0(12, 2), "SRSCtl" }, \
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{ KVM_TRACE_COP0(13, 0), "Cause" }, \
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{ KVM_TRACE_COP0(14, 0), "EPC" }, \
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{ KVM_TRACE_COP0(15, 0), "PRId" }, \
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{ KVM_TRACE_COP0(15, 1), "EBase" }, \
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{ KVM_TRACE_COP0(16, 0), "Config" }, \
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{ KVM_TRACE_COP0(16, 1), "Config1" }, \
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{ KVM_TRACE_COP0(16, 2), "Config2" }, \
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{ KVM_TRACE_COP0(16, 3), "Config3" }, \
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{ KVM_TRACE_COP0(16, 4), "Config4" }, \
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{ KVM_TRACE_COP0(16, 5), "Config5" }, \
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{ KVM_TRACE_COP0(16, 7), "Config7" }, \
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{ KVM_TRACE_COP0(26, 0), "ECC" }, \
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{ KVM_TRACE_COP0(30, 0), "ErrorEPC" }, \
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{ KVM_TRACE_COP0(31, 2), "KScratch1" }, \
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{ KVM_TRACE_COP0(31, 3), "KScratch2" }, \
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{ KVM_TRACE_COP0(31, 4), "KScratch3" }, \
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{ KVM_TRACE_COP0(31, 5), "KScratch4" }, \
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{ KVM_TRACE_COP0(31, 6), "KScratch5" }, \
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{ KVM_TRACE_COP0(31, 7), "KScratch6" }, \
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{ KVM_TRACE_HWR( 0, 0), "CPUNum" }, \
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{ KVM_TRACE_HWR( 1, 0), "SYNCI_Step" }, \
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{ KVM_TRACE_HWR( 2, 0), "CC" }, \
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{ KVM_TRACE_HWR( 3, 0), "CCRes" }, \
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{ KVM_TRACE_HWR(29, 0), "ULR" }
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TRACE_EVENT(kvm_hwr,
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TP_PROTO(struct kvm_vcpu *vcpu, unsigned int op, unsigned int reg,
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unsigned long val),
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TP_ARGS(vcpu, op, reg, val),
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TP_STRUCT__entry(
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__field(unsigned long, val)
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__field(u16, reg)
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__field(u8, op)
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),
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TP_fast_assign(
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__entry->val = val;
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__entry->reg = reg;
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__entry->op = op;
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),
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TP_printk("%s %s (%s:%u:%u) 0x%08lx",
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__print_symbolic(__entry->op,
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kvm_trace_symbol_hwr_ops),
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__print_symbolic(__entry->reg,
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kvm_trace_symbol_hwr_regs),
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__print_symbolic(__entry->reg >> 8,
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kvm_trace_symbol_hwr_cop),
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(__entry->reg >> 3) & 0x1f,
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__entry->reg & 0x7,
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__entry->val)
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);
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#define KVM_TRACE_AUX_RESTORE 0
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#define KVM_TRACE_AUX_SAVE 1
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#define KVM_TRACE_AUX_ENABLE 2
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#define KVM_TRACE_AUX_DISABLE 3
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#define KVM_TRACE_AUX_DISCARD 4
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#define KVM_TRACE_AUX_FPU 1
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#define KVM_TRACE_AUX_MSA 2
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#define KVM_TRACE_AUX_FPU_MSA 3
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#define kvm_trace_symbol_aux_op \
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{ KVM_TRACE_AUX_RESTORE, "restore" }, \
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{ KVM_TRACE_AUX_SAVE, "save" }, \
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{ KVM_TRACE_AUX_ENABLE, "enable" }, \
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{ KVM_TRACE_AUX_DISABLE, "disable" }, \
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{ KVM_TRACE_AUX_DISCARD, "discard" }
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#define kvm_trace_symbol_aux_state \
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{ KVM_TRACE_AUX_FPU, "FPU" }, \
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{ KVM_TRACE_AUX_MSA, "MSA" }, \
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{ KVM_TRACE_AUX_FPU_MSA, "FPU & MSA" }
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TRACE_EVENT(kvm_aux,
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TP_PROTO(struct kvm_vcpu *vcpu, unsigned int op,
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unsigned int state),
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TP_ARGS(vcpu, op, state),
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TP_STRUCT__entry(
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__field(unsigned long, pc)
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__field(u8, op)
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__field(u8, state)
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),
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TP_fast_assign(
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__entry->pc = vcpu->arch.pc;
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__entry->op = op;
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__entry->state = state;
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),
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TP_printk("%s %s PC: 0x%08lx",
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__print_symbolic(__entry->op,
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kvm_trace_symbol_aux_op),
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__print_symbolic(__entry->state,
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kvm_trace_symbol_aux_state),
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__entry->pc)
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);
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TRACE_EVENT(kvm_asid_change,
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TP_PROTO(struct kvm_vcpu *vcpu, unsigned int old_asid,
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unsigned int new_asid),
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TP_ARGS(vcpu, old_asid, new_asid),
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TP_STRUCT__entry(
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__field(unsigned long, pc)
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__field(u8, old_asid)
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__field(u8, new_asid)
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),
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TP_fast_assign(
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__entry->pc = vcpu->arch.pc;
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__entry->old_asid = old_asid;
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__entry->new_asid = new_asid;
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),
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TP_printk("PC: 0x%08lx old: 0x%02x new: 0x%02x",
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__entry->pc,
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__entry->old_asid,
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__entry->new_asid)
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);
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#endif /* _TRACE_KVM_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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