- 根目录:
- arch
- s390
- kvm
- trace.h
#if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_KVM_H
#include <linux/tracepoint.h>
#include <asm/sigp.h>
#include <asm/debug.h>
#undef TRACE_SYSTEM
#define TRACE_SYSTEM kvm
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE trace
/*
* Helpers for vcpu-specific tracepoints containing the same information
* as s390dbf VCPU_EVENTs.
*/
#define VCPU_PROTO_COMMON struct kvm_vcpu *vcpu
#define VCPU_ARGS_COMMON vcpu
#define VCPU_FIELD_COMMON __field(int, id) \
__field(unsigned long, pswmask) \
__field(unsigned long, pswaddr)
#define VCPU_ASSIGN_COMMON do { \
__entry->id = vcpu->vcpu_id; \
__entry->pswmask = vcpu->arch.sie_block->gpsw.mask; \
__entry->pswaddr = vcpu->arch.sie_block->gpsw.addr; \
} while (0);
#define VCPU_TP_PRINTK(p_str, p_args...) \
TP_printk("%02d[%016lx-%016lx]: " p_str, __entry->id, \
__entry->pswmask, __entry->pswaddr, p_args)
/*
* Tracepoints for SIE entry and exit.
*/
TRACE_EVENT(kvm_s390_sie_enter,
TP_PROTO(VCPU_PROTO_COMMON, int cpuflags),
TP_ARGS(VCPU_ARGS_COMMON, cpuflags),
TP_STRUCT__entry(
VCPU_FIELD_COMMON
__field(int, cpuflags)
),
TP_fast_assign(
VCPU_ASSIGN_COMMON
__entry->cpuflags = cpuflags;
),
VCPU_TP_PRINTK("entering sie flags %x", __entry->cpuflags)
);
TRACE_EVENT(kvm_s390_sie_fault,
TP_PROTO(VCPU_PROTO_COMMON),
TP_ARGS(VCPU_ARGS_COMMON),
TP_STRUCT__entry(
VCPU_FIELD_COMMON
),
TP_fast_assign(
VCPU_ASSIGN_COMMON
),
VCPU_TP_PRINTK("%s", "fault in sie instruction")
);
#define sie_intercept_code \
{0x04, "Instruction"}, \
{0x08, "Program interruption"}, \
{0x0C, "Instruction and program interruption"}, \
{0x10, "External request"}, \
{0x14, "External interruption"}, \
{0x18, "I/O request"}, \
{0x1C, "Wait state"}, \
{0x20, "Validity"}, \
{0x28, "Stop request"}
TRACE_EVENT(kvm_s390_sie_exit,
TP_PROTO(VCPU_PROTO_COMMON, u8 icptcode),
TP_ARGS(VCPU_ARGS_COMMON, icptcode),
TP_STRUCT__entry(
VCPU_FIELD_COMMON
__field(u8, icptcode)
),
TP_fast_assign(
VCPU_ASSIGN_COMMON
__entry->icptcode = icptcode;
),
VCPU_TP_PRINTK("exit sie icptcode %d (%s)", __entry->icptcode,
__print_symbolic(__entry->icptcode,
sie_intercept_code))
);
/*
* Trace point for intercepted instructions.
*/
TRACE_EVENT(kvm_s390_intercept_instruction,
TP_PROTO(VCPU_PROTO_COMMON, __u16 ipa, __u32 ipb),
TP_ARGS(VCPU_ARGS_COMMON, ipa, ipb),
TP_STRUCT__entry(
VCPU_FIELD_COMMON
__field(__u64, instruction)
__field(char, insn[8])
),
TP_fast_assign(
VCPU_ASSIGN_COMMON
__entry->instruction = ((__u64)ipa << 48) |
((__u64)ipb << 16);
),
VCPU_TP_PRINTK("intercepted instruction %016llx (%s)",
__entry->instruction,
insn_to_mnemonic((unsigned char *)
&__entry->instruction,
__entry->insn, sizeof(__entry->insn)) ?
"unknown" : __entry->insn)
);
/*
* Trace point for intercepted program interruptions.
*/
TRACE_EVENT(kvm_s390_intercept_prog,
TP_PROTO(VCPU_PROTO_COMMON, __u16 code),
TP_ARGS(VCPU_ARGS_COMMON, code),
TP_STRUCT__entry(
VCPU_FIELD_COMMON
__field(__u16, code)
),
TP_fast_assign(
VCPU_ASSIGN_COMMON
__entry->code = code;
),
VCPU_TP_PRINTK("intercepted program interruption %04x",
__entry->code)
);
/*
* Trace point for validity intercepts.
*/
TRACE_EVENT(kvm_s390_intercept_validity,
TP_PROTO(VCPU_PROTO_COMMON, __u16 viwhy),
TP_ARGS(VCPU_ARGS_COMMON, viwhy),
TP_STRUCT__entry(
VCPU_FIELD_COMMON
__field(__u16, viwhy)
),
TP_fast_assign(
VCPU_ASSIGN_COMMON
__entry->viwhy = viwhy;
),
VCPU_TP_PRINTK("got validity intercept %04x", __entry->viwhy)
);
/*
* Trace points for instructions that are of special interest.
*/
#define sigp_order_codes \
{SIGP_SENSE, "sense"}, \
{SIGP_EXTERNAL_CALL, "external call"}, \
{SIGP_EMERGENCY_SIGNAL, "emergency signal"}, \
{SIGP_STOP, "stop"}, \
{SIGP_STOP_AND_STORE_STATUS, "stop and store status"}, \
{SIGP_SET_ARCHITECTURE, "set architecture"}, \
{SIGP_SET_PREFIX, "set prefix"}, \
{SIGP_SENSE_RUNNING, "sense running"}, \
{SIGP_RESTART, "restart"}
TRACE_EVENT(kvm_s390_handle_sigp,
TP_PROTO(VCPU_PROTO_COMMON, __u8 order_code, __u16 cpu_addr, \
__u32 parameter),
TP_ARGS(VCPU_ARGS_COMMON, order_code, cpu_addr, parameter),
TP_STRUCT__entry(
VCPU_FIELD_COMMON
__field(__u8, order_code)
__field(__u16, cpu_addr)
__field(__u32, parameter)
),
TP_fast_assign(
VCPU_ASSIGN_COMMON
__entry->order_code = order_code;
__entry->cpu_addr = cpu_addr;
__entry->parameter = parameter;
),
VCPU_TP_PRINTK("handle sigp order %02x (%s), cpu address %04x, " \
"parameter %08x", __entry->order_code,
__print_symbolic(__entry->order_code,
sigp_order_codes),
__entry->cpu_addr, __entry->parameter)
);
#define diagnose_codes \
{0x10, "release pages"}, \
{0x44, "time slice end"}, \
{0x308, "ipl functions"}, \
{0x500, "kvm hypercall"}, \
{0x501, "kvm breakpoint"}
TRACE_EVENT(kvm_s390_handle_diag,
TP_PROTO(VCPU_PROTO_COMMON, __u16 code),
TP_ARGS(VCPU_ARGS_COMMON, code),
TP_STRUCT__entry(
VCPU_FIELD_COMMON
__field(__u16, code)
),
TP_fast_assign(
VCPU_ASSIGN_COMMON
__entry->code = code;
),
VCPU_TP_PRINTK("handle diagnose call %04x (%s)", __entry->code,
__print_symbolic(__entry->code, diagnose_codes))
);
TRACE_EVENT(kvm_s390_handle_lctl,
TP_PROTO(VCPU_PROTO_COMMON, int g, int reg1, int reg3, u64 addr),
TP_ARGS(VCPU_ARGS_COMMON, g, reg1, reg3, addr),
TP_STRUCT__entry(
VCPU_FIELD_COMMON
__field(int, g)
__field(int, reg1)
__field(int, reg3)
__field(u64, addr)
),
TP_fast_assign(
VCPU_ASSIGN_COMMON
__entry->g = g;
__entry->reg1 = reg1;
__entry->reg3 = reg3;
__entry->addr = addr;
),
VCPU_TP_PRINTK("%s: loading cr %x-%x from %016llx",
__entry->g ? "lctlg" : "lctl",
__entry->reg1, __entry->reg3, __entry->addr)
);
TRACE_EVENT(kvm_s390_handle_prefix,
TP_PROTO(VCPU_PROTO_COMMON, int set, u32 address),
TP_ARGS(VCPU_ARGS_COMMON, set, address),
TP_STRUCT__entry(
VCPU_FIELD_COMMON
__field(int, set)
__field(u32, address)
),
TP_fast_assign(
VCPU_ASSIGN_COMMON
__entry->set = set;
__entry->address = address;
),
VCPU_TP_PRINTK("%s prefix to %08x",
__entry->set ? "setting" : "storing",
__entry->address)
);
TRACE_EVENT(kvm_s390_handle_stap,
TP_PROTO(VCPU_PROTO_COMMON, u64 address),
TP_ARGS(VCPU_ARGS_COMMON, address),
TP_STRUCT__entry(
VCPU_FIELD_COMMON
__field(u64, address)
),
TP_fast_assign(
VCPU_ASSIGN_COMMON
__entry->address = address;
),
VCPU_TP_PRINTK("storing cpu address to %016llx",
__entry->address)
);
TRACE_EVENT(kvm_s390_handle_stfl,
TP_PROTO(VCPU_PROTO_COMMON, unsigned int facility_list),
TP_ARGS(VCPU_ARGS_COMMON, facility_list),
TP_STRUCT__entry(
VCPU_FIELD_COMMON
__field(unsigned int, facility_list)
),
TP_fast_assign(
VCPU_ASSIGN_COMMON
__entry->facility_list = facility_list;
),
VCPU_TP_PRINTK("store facility list value %08x",
__entry->facility_list)
);
TRACE_EVENT(kvm_s390_handle_stsi,
TP_PROTO(VCPU_PROTO_COMMON, int fc, int sel1, int sel2, u64 addr),
TP_ARGS(VCPU_ARGS_COMMON, fc, sel1, sel2, addr),
TP_STRUCT__entry(
VCPU_FIELD_COMMON
__field(int, fc)
__field(int, sel1)
__field(int, sel2)
__field(u64, addr)
),
TP_fast_assign(
VCPU_ASSIGN_COMMON
__entry->fc = fc;
__entry->sel1 = sel1;
__entry->sel2 = sel2;
__entry->addr = addr;
),
VCPU_TP_PRINTK("STSI %d.%d.%d information stored to %016llx",
__entry->fc, __entry->sel1, __entry->sel2,
__entry->addr)
);
#endif /* _TRACE_KVM_H */
/* This part must be outside protection */
#include <trace/define_trace.h>