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

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

arch/powerpc/kvm/trace.h

+56 −2
Original line number Diff line number Diff line
@@ -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,