Commit 166a2b70 authored by Alexander Graf's avatar Alexander Graf

KVM: PPC: Use symbols for exit trace

Exit traces are a lot easier to read when you don't have to remember
cryptic numbers for guest exit reasons. Symbolify them in our trace
output.
Signed-off-by: default avatarAlexander Graf <agraf@suse.de>
parent 50c871ed
......@@ -31,6 +31,60 @@ TRACE_EVENT(kvm_ppc_instr,
__entry->inst, __entry->pc, __entry->emulate)
);
#ifdef CONFIG_PPC_BOOK3S
#define kvm_trace_symbol_exit \
{0x100, "SYSTEM_RESET"}, \
{0x200, "MACHINE_CHECK"}, \
{0x300, "DATA_STORAGE"}, \
{0x380, "DATA_SEGMENT"}, \
{0x400, "INST_STORAGE"}, \
{0x480, "INST_SEGMENT"}, \
{0x500, "EXTERNAL"}, \
{0x501, "EXTERNAL_LEVEL"}, \
{0x502, "EXTERNAL_HV"}, \
{0x600, "ALIGNMENT"}, \
{0x700, "PROGRAM"}, \
{0x800, "FP_UNAVAIL"}, \
{0x900, "DECREMENTER"}, \
{0x980, "HV_DECREMENTER"}, \
{0xc00, "SYSCALL"}, \
{0xd00, "TRACE"}, \
{0xe00, "H_DATA_STORAGE"}, \
{0xe20, "H_INST_STORAGE"}, \
{0xe40, "H_EMUL_ASSIST"}, \
{0xf00, "PERFMON"}, \
{0xf20, "ALTIVEC"}, \
{0xf40, "VSX"}
#else
#define kvm_trace_symbol_exit \
{0, "CRITICAL"}, \
{1, "MACHINE_CHECK"}, \
{2, "DATA_STORAGE"}, \
{3, "INST_STORAGE"}, \
{4, "EXTERNAL"}, \
{5, "ALIGNMENT"}, \
{6, "PROGRAM"}, \
{7, "FP_UNAVAIL"}, \
{8, "SYSCALL"}, \
{9, "AP_UNAVAIL"}, \
{10, "DECREMENTER"}, \
{11, "FIT"}, \
{12, "WATCHDOG"}, \
{13, "DTLB_MISS"}, \
{14, "ITLB_MISS"}, \
{15, "DEBUG"}, \
{32, "SPE_UNAVAIL"}, \
{33, "SPE_FP_DATA"}, \
{34, "SPE_FP_ROUND"}, \
{35, "PERFORMANCE_MONITOR"}, \
{36, "DOORBELL"}, \
{37, "DOORBELL_CRITICAL"}, \
{38, "GUEST_DBELL"}, \
{39, "GUEST_DBELL_CRIT"}, \
{40, "HV_SYSCALL"}, \
{41, "HV_PRIV"}
#endif
TRACE_EVENT(kvm_exit,
TP_PROTO(unsigned int exit_nr, struct kvm_vcpu *vcpu),
TP_ARGS(exit_nr, vcpu),
......@@ -62,7 +116,7 @@ TRACE_EVENT(kvm_exit,
__entry->last_inst = vcpu->arch.last_inst;
),
TP_printk("exit=0x%x"
TP_printk("exit=%s"
" | pc=0x%lx"
" | msr=0x%lx"
" | dar=0x%lx"
......@@ -71,7 +125,7 @@ TRACE_EVENT(kvm_exit,
#endif
" | last_inst=0x%lx"
,
__entry->exit_nr,
__print_symbolic(__entry->exit_nr, kvm_trace_symbol_exit),
__entry->pc,
__entry->msr,
__entry->dar,
......
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