mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-06 02:50:43 +00:00
![Avi Kivity](/assets/img/avatar_default.png)
Record failed msrs reads and writes, and the fact that they failed as well. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
557 lines
13 KiB
C
557 lines
13 KiB
C
#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 arch/x86/kvm
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#define TRACE_INCLUDE_FILE trace
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/*
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* Tracepoint for guest mode entry.
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*/
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TRACE_EVENT(kvm_entry,
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TP_PROTO(unsigned int vcpu_id),
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TP_ARGS(vcpu_id),
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TP_STRUCT__entry(
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__field( unsigned int, vcpu_id )
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),
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TP_fast_assign(
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__entry->vcpu_id = vcpu_id;
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),
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TP_printk("vcpu %u", __entry->vcpu_id)
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);
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/*
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* Tracepoint for hypercall.
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*/
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TRACE_EVENT(kvm_hypercall,
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TP_PROTO(unsigned long nr, unsigned long a0, unsigned long a1,
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unsigned long a2, unsigned long a3),
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TP_ARGS(nr, a0, a1, a2, a3),
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TP_STRUCT__entry(
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__field( unsigned long, nr )
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__field( unsigned long, a0 )
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__field( unsigned long, a1 )
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__field( unsigned long, a2 )
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__field( unsigned long, a3 )
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),
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TP_fast_assign(
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__entry->nr = nr;
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__entry->a0 = a0;
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__entry->a1 = a1;
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__entry->a2 = a2;
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__entry->a3 = a3;
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),
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TP_printk("nr 0x%lx a0 0x%lx a1 0x%lx a2 0x%lx a3 0x%lx",
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__entry->nr, __entry->a0, __entry->a1, __entry->a2,
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__entry->a3)
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);
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/*
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* Tracepoint for hypercall.
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*/
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TRACE_EVENT(kvm_hv_hypercall,
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TP_PROTO(__u16 code, bool fast, __u16 rep_cnt, __u16 rep_idx,
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__u64 ingpa, __u64 outgpa),
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TP_ARGS(code, fast, rep_cnt, rep_idx, ingpa, outgpa),
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TP_STRUCT__entry(
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__field( __u16, code )
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__field( bool, fast )
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__field( __u16, rep_cnt )
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__field( __u16, rep_idx )
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__field( __u64, ingpa )
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__field( __u64, outgpa )
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),
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TP_fast_assign(
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__entry->code = code;
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__entry->fast = fast;
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__entry->rep_cnt = rep_cnt;
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__entry->rep_idx = rep_idx;
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__entry->ingpa = ingpa;
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__entry->outgpa = outgpa;
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),
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TP_printk("code 0x%x %s cnt 0x%x idx 0x%x in 0x%llx out 0x%llx",
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__entry->code, __entry->fast ? "fast" : "slow",
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__entry->rep_cnt, __entry->rep_idx, __entry->ingpa,
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__entry->outgpa)
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);
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/*
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* Tracepoint for PIO.
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*/
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TRACE_EVENT(kvm_pio,
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TP_PROTO(unsigned int rw, unsigned int port, unsigned int size,
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unsigned int count),
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TP_ARGS(rw, port, size, count),
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TP_STRUCT__entry(
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__field( unsigned int, rw )
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__field( unsigned int, port )
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__field( unsigned int, size )
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__field( unsigned int, count )
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),
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TP_fast_assign(
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__entry->rw = rw;
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__entry->port = port;
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__entry->size = size;
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__entry->count = count;
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),
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TP_printk("pio_%s at 0x%x size %d count %d",
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__entry->rw ? "write" : "read",
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__entry->port, __entry->size, __entry->count)
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);
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/*
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* Tracepoint for cpuid.
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*/
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TRACE_EVENT(kvm_cpuid,
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TP_PROTO(unsigned int function, unsigned long rax, unsigned long rbx,
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unsigned long rcx, unsigned long rdx),
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TP_ARGS(function, rax, rbx, rcx, rdx),
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TP_STRUCT__entry(
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__field( unsigned int, function )
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__field( unsigned long, rax )
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__field( unsigned long, rbx )
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__field( unsigned long, rcx )
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__field( unsigned long, rdx )
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),
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TP_fast_assign(
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__entry->function = function;
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__entry->rax = rax;
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__entry->rbx = rbx;
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__entry->rcx = rcx;
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__entry->rdx = rdx;
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),
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TP_printk("func %x rax %lx rbx %lx rcx %lx rdx %lx",
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__entry->function, __entry->rax,
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__entry->rbx, __entry->rcx, __entry->rdx)
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);
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#define AREG(x) { APIC_##x, "APIC_" #x }
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#define kvm_trace_symbol_apic \
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AREG(ID), AREG(LVR), AREG(TASKPRI), AREG(ARBPRI), AREG(PROCPRI), \
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AREG(EOI), AREG(RRR), AREG(LDR), AREG(DFR), AREG(SPIV), AREG(ISR), \
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AREG(TMR), AREG(IRR), AREG(ESR), AREG(ICR), AREG(ICR2), AREG(LVTT), \
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AREG(LVTTHMR), AREG(LVTPC), AREG(LVT0), AREG(LVT1), AREG(LVTERR), \
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AREG(TMICT), AREG(TMCCT), AREG(TDCR), AREG(SELF_IPI), AREG(EFEAT), \
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AREG(ECTRL)
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/*
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* Tracepoint for apic access.
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*/
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TRACE_EVENT(kvm_apic,
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TP_PROTO(unsigned int rw, unsigned int reg, unsigned int val),
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TP_ARGS(rw, reg, val),
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TP_STRUCT__entry(
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__field( unsigned int, rw )
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__field( unsigned int, reg )
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__field( unsigned int, val )
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),
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TP_fast_assign(
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__entry->rw = rw;
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__entry->reg = reg;
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__entry->val = val;
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),
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TP_printk("apic_%s %s = 0x%x",
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__entry->rw ? "write" : "read",
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__print_symbolic(__entry->reg, kvm_trace_symbol_apic),
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__entry->val)
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);
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#define trace_kvm_apic_read(reg, val) trace_kvm_apic(0, reg, val)
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#define trace_kvm_apic_write(reg, val) trace_kvm_apic(1, reg, val)
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/*
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* Tracepoint for kvm guest exit:
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*/
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TRACE_EVENT(kvm_exit,
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TP_PROTO(unsigned int exit_reason, unsigned long guest_rip),
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TP_ARGS(exit_reason, guest_rip),
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TP_STRUCT__entry(
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__field( unsigned int, exit_reason )
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__field( unsigned long, guest_rip )
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),
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TP_fast_assign(
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__entry->exit_reason = exit_reason;
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__entry->guest_rip = guest_rip;
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),
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TP_printk("reason %s rip 0x%lx",
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ftrace_print_symbols_seq(p, __entry->exit_reason,
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kvm_x86_ops->exit_reasons_str),
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__entry->guest_rip)
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);
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/*
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* Tracepoint for kvm interrupt injection:
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*/
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TRACE_EVENT(kvm_inj_virq,
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TP_PROTO(unsigned int irq),
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TP_ARGS(irq),
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TP_STRUCT__entry(
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__field( unsigned int, irq )
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),
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TP_fast_assign(
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__entry->irq = irq;
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),
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TP_printk("irq %u", __entry->irq)
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);
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/*
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* Tracepoint for page fault.
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*/
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TRACE_EVENT(kvm_page_fault,
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TP_PROTO(unsigned long fault_address, unsigned int error_code),
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TP_ARGS(fault_address, error_code),
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TP_STRUCT__entry(
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__field( unsigned long, fault_address )
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__field( unsigned int, error_code )
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),
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TP_fast_assign(
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__entry->fault_address = fault_address;
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__entry->error_code = error_code;
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),
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TP_printk("address %lx error_code %x",
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__entry->fault_address, __entry->error_code)
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);
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/*
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* Tracepoint for guest MSR access.
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*/
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TRACE_EVENT(kvm_msr,
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TP_PROTO(unsigned write, u32 ecx, u64 data, bool exception),
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TP_ARGS(write, ecx, data, exception),
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TP_STRUCT__entry(
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__field( unsigned, write )
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__field( u32, ecx )
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__field( u64, data )
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__field( u8, exception )
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),
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TP_fast_assign(
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__entry->write = write;
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__entry->ecx = ecx;
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__entry->data = data;
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__entry->exception = exception;
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),
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TP_printk("msr_%s %x = 0x%llx%s",
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__entry->write ? "write" : "read",
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__entry->ecx, __entry->data,
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__entry->exception ? " (#GP)" : "")
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);
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#define trace_kvm_msr_read(ecx, data) trace_kvm_msr(0, ecx, data, false)
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#define trace_kvm_msr_write(ecx, data) trace_kvm_msr(1, ecx, data, false)
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#define trace_kvm_msr_read_ex(ecx) trace_kvm_msr(0, ecx, 0, true)
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#define trace_kvm_msr_write_ex(ecx, data) trace_kvm_msr(1, ecx, data, true)
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/*
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* Tracepoint for guest CR access.
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*/
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TRACE_EVENT(kvm_cr,
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TP_PROTO(unsigned int rw, unsigned int cr, unsigned long val),
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TP_ARGS(rw, cr, val),
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TP_STRUCT__entry(
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__field( unsigned int, rw )
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__field( unsigned int, cr )
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__field( unsigned long, val )
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),
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TP_fast_assign(
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__entry->rw = rw;
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__entry->cr = cr;
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__entry->val = val;
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),
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TP_printk("cr_%s %x = 0x%lx",
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__entry->rw ? "write" : "read",
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__entry->cr, __entry->val)
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);
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#define trace_kvm_cr_read(cr, val) trace_kvm_cr(0, cr, val)
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#define trace_kvm_cr_write(cr, val) trace_kvm_cr(1, cr, val)
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TRACE_EVENT(kvm_pic_set_irq,
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TP_PROTO(__u8 chip, __u8 pin, __u8 elcr, __u8 imr, bool coalesced),
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TP_ARGS(chip, pin, elcr, imr, coalesced),
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TP_STRUCT__entry(
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__field( __u8, chip )
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__field( __u8, pin )
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__field( __u8, elcr )
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__field( __u8, imr )
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__field( bool, coalesced )
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),
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TP_fast_assign(
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__entry->chip = chip;
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__entry->pin = pin;
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__entry->elcr = elcr;
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__entry->imr = imr;
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__entry->coalesced = coalesced;
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),
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TP_printk("chip %u pin %u (%s%s)%s",
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__entry->chip, __entry->pin,
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(__entry->elcr & (1 << __entry->pin)) ? "level":"edge",
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(__entry->imr & (1 << __entry->pin)) ? "|masked":"",
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__entry->coalesced ? " (coalesced)" : "")
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);
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#define kvm_apic_dst_shorthand \
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{0x0, "dst"}, \
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{0x1, "self"}, \
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{0x2, "all"}, \
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{0x3, "all-but-self"}
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TRACE_EVENT(kvm_apic_ipi,
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TP_PROTO(__u32 icr_low, __u32 dest_id),
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TP_ARGS(icr_low, dest_id),
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TP_STRUCT__entry(
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__field( __u32, icr_low )
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__field( __u32, dest_id )
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),
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TP_fast_assign(
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__entry->icr_low = icr_low;
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__entry->dest_id = dest_id;
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),
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TP_printk("dst %x vec %u (%s|%s|%s|%s|%s)",
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__entry->dest_id, (u8)__entry->icr_low,
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__print_symbolic((__entry->icr_low >> 8 & 0x7),
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kvm_deliver_mode),
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(__entry->icr_low & (1<<11)) ? "logical" : "physical",
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(__entry->icr_low & (1<<14)) ? "assert" : "de-assert",
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(__entry->icr_low & (1<<15)) ? "level" : "edge",
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__print_symbolic((__entry->icr_low >> 18 & 0x3),
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kvm_apic_dst_shorthand))
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);
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TRACE_EVENT(kvm_apic_accept_irq,
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TP_PROTO(__u32 apicid, __u16 dm, __u8 tm, __u8 vec, bool coalesced),
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TP_ARGS(apicid, dm, tm, vec, coalesced),
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TP_STRUCT__entry(
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__field( __u32, apicid )
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__field( __u16, dm )
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__field( __u8, tm )
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__field( __u8, vec )
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__field( bool, coalesced )
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),
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TP_fast_assign(
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__entry->apicid = apicid;
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__entry->dm = dm;
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__entry->tm = tm;
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__entry->vec = vec;
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__entry->coalesced = coalesced;
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),
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TP_printk("apicid %x vec %u (%s|%s)%s",
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__entry->apicid, __entry->vec,
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__print_symbolic((__entry->dm >> 8 & 0x7), kvm_deliver_mode),
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__entry->tm ? "level" : "edge",
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__entry->coalesced ? " (coalesced)" : "")
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);
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/*
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* Tracepoint for nested VMRUN
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*/
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TRACE_EVENT(kvm_nested_vmrun,
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TP_PROTO(__u64 rip, __u64 vmcb, __u64 nested_rip, __u32 int_ctl,
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__u32 event_inj, bool npt),
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TP_ARGS(rip, vmcb, nested_rip, int_ctl, event_inj, npt),
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TP_STRUCT__entry(
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__field( __u64, rip )
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__field( __u64, vmcb )
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__field( __u64, nested_rip )
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__field( __u32, int_ctl )
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__field( __u32, event_inj )
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__field( bool, npt )
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),
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TP_fast_assign(
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__entry->rip = rip;
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__entry->vmcb = vmcb;
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__entry->nested_rip = nested_rip;
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__entry->int_ctl = int_ctl;
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__entry->event_inj = event_inj;
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__entry->npt = npt;
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),
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TP_printk("rip: 0x%016llx vmcb: 0x%016llx nrip: 0x%016llx int_ctl: 0x%08x "
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"event_inj: 0x%08x npt: %s\n",
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__entry->rip, __entry->vmcb, __entry->nested_rip,
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__entry->int_ctl, __entry->event_inj,
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__entry->npt ? "on" : "off")
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);
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/*
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* Tracepoint for #VMEXIT while nested
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*/
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TRACE_EVENT(kvm_nested_vmexit,
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TP_PROTO(__u64 rip, __u32 exit_code,
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__u64 exit_info1, __u64 exit_info2,
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__u32 exit_int_info, __u32 exit_int_info_err),
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TP_ARGS(rip, exit_code, exit_info1, exit_info2,
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exit_int_info, exit_int_info_err),
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TP_STRUCT__entry(
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__field( __u64, rip )
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__field( __u32, exit_code )
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__field( __u64, exit_info1 )
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__field( __u64, exit_info2 )
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__field( __u32, exit_int_info )
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__field( __u32, exit_int_info_err )
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),
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TP_fast_assign(
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__entry->rip = rip;
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__entry->exit_code = exit_code;
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__entry->exit_info1 = exit_info1;
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__entry->exit_info2 = exit_info2;
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__entry->exit_int_info = exit_int_info;
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__entry->exit_int_info_err = exit_int_info_err;
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),
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TP_printk("rip: 0x%016llx reason: %s ext_inf1: 0x%016llx "
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"ext_inf2: 0x%016llx ext_int: 0x%08x ext_int_err: 0x%08x\n",
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__entry->rip,
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ftrace_print_symbols_seq(p, __entry->exit_code,
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kvm_x86_ops->exit_reasons_str),
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__entry->exit_info1, __entry->exit_info2,
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__entry->exit_int_info, __entry->exit_int_info_err)
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);
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/*
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* Tracepoint for #VMEXIT reinjected to the guest
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*/
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TRACE_EVENT(kvm_nested_vmexit_inject,
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TP_PROTO(__u32 exit_code,
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__u64 exit_info1, __u64 exit_info2,
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__u32 exit_int_info, __u32 exit_int_info_err),
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TP_ARGS(exit_code, exit_info1, exit_info2,
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exit_int_info, exit_int_info_err),
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TP_STRUCT__entry(
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__field( __u32, exit_code )
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__field( __u64, exit_info1 )
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__field( __u64, exit_info2 )
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__field( __u32, exit_int_info )
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__field( __u32, exit_int_info_err )
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),
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TP_fast_assign(
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__entry->exit_code = exit_code;
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__entry->exit_info1 = exit_info1;
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__entry->exit_info2 = exit_info2;
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__entry->exit_int_info = exit_int_info;
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__entry->exit_int_info_err = exit_int_info_err;
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),
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TP_printk("reason: %s ext_inf1: 0x%016llx "
|
|
"ext_inf2: 0x%016llx ext_int: 0x%08x ext_int_err: 0x%08x\n",
|
|
ftrace_print_symbols_seq(p, __entry->exit_code,
|
|
kvm_x86_ops->exit_reasons_str),
|
|
__entry->exit_info1, __entry->exit_info2,
|
|
__entry->exit_int_info, __entry->exit_int_info_err)
|
|
);
|
|
|
|
/*
|
|
* Tracepoint for nested #vmexit because of interrupt pending
|
|
*/
|
|
TRACE_EVENT(kvm_nested_intr_vmexit,
|
|
TP_PROTO(__u64 rip),
|
|
TP_ARGS(rip),
|
|
|
|
TP_STRUCT__entry(
|
|
__field( __u64, rip )
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->rip = rip
|
|
),
|
|
|
|
TP_printk("rip: 0x%016llx\n", __entry->rip)
|
|
);
|
|
|
|
/*
|
|
* Tracepoint for nested #vmexit because of interrupt pending
|
|
*/
|
|
TRACE_EVENT(kvm_invlpga,
|
|
TP_PROTO(__u64 rip, int asid, u64 address),
|
|
TP_ARGS(rip, asid, address),
|
|
|
|
TP_STRUCT__entry(
|
|
__field( __u64, rip )
|
|
__field( int, asid )
|
|
__field( __u64, address )
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->rip = rip;
|
|
__entry->asid = asid;
|
|
__entry->address = address;
|
|
),
|
|
|
|
TP_printk("rip: 0x%016llx asid: %d address: 0x%016llx\n",
|
|
__entry->rip, __entry->asid, __entry->address)
|
|
);
|
|
|
|
/*
|
|
* Tracepoint for nested #vmexit because of interrupt pending
|
|
*/
|
|
TRACE_EVENT(kvm_skinit,
|
|
TP_PROTO(__u64 rip, __u32 slb),
|
|
TP_ARGS(rip, slb),
|
|
|
|
TP_STRUCT__entry(
|
|
__field( __u64, rip )
|
|
__field( __u32, slb )
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->rip = rip;
|
|
__entry->slb = slb;
|
|
),
|
|
|
|
TP_printk("rip: 0x%016llx slb: 0x%08x\n",
|
|
__entry->rip, __entry->slb)
|
|
);
|
|
|
|
#endif /* _TRACE_KVM_H */
|
|
|
|
/* This part must be outside protection */
|
|
#include <trace/define_trace.h>
|