Shenlin Liang | 91195a9 | 2024-04-22 08:08:32 +0000 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* |
| 3 | * Tracepoints for RISC-V KVM |
| 4 | * |
| 5 | * Copyright 2024 Beijing ESWIN Computing Technology Co., Ltd. |
| 6 | * |
| 7 | */ |
| 8 | #if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ) |
| 9 | #define _TRACE_KVM_H |
| 10 | |
| 11 | #include <linux/tracepoint.h> |
| 12 | |
| 13 | #undef TRACE_SYSTEM |
| 14 | #define TRACE_SYSTEM kvm |
| 15 | |
| 16 | TRACE_EVENT(kvm_entry, |
| 17 | TP_PROTO(struct kvm_vcpu *vcpu), |
| 18 | TP_ARGS(vcpu), |
| 19 | |
| 20 | TP_STRUCT__entry( |
| 21 | __field(unsigned long, pc) |
| 22 | ), |
| 23 | |
| 24 | TP_fast_assign( |
| 25 | __entry->pc = vcpu->arch.guest_context.sepc; |
| 26 | ), |
| 27 | |
| 28 | TP_printk("PC: 0x016%lx", __entry->pc) |
| 29 | ); |
| 30 | |
| 31 | TRACE_EVENT(kvm_exit, |
| 32 | TP_PROTO(struct kvm_cpu_trap *trap), |
| 33 | TP_ARGS(trap), |
| 34 | |
| 35 | TP_STRUCT__entry( |
| 36 | __field(unsigned long, sepc) |
| 37 | __field(unsigned long, scause) |
| 38 | __field(unsigned long, stval) |
| 39 | __field(unsigned long, htval) |
| 40 | __field(unsigned long, htinst) |
| 41 | ), |
| 42 | |
| 43 | TP_fast_assign( |
| 44 | __entry->sepc = trap->sepc; |
| 45 | __entry->scause = trap->scause; |
| 46 | __entry->stval = trap->stval; |
| 47 | __entry->htval = trap->htval; |
| 48 | __entry->htinst = trap->htinst; |
| 49 | ), |
| 50 | |
| 51 | TP_printk("SEPC:0x%lx, SCAUSE:0x%lx, STVAL:0x%lx, HTVAL:0x%lx, HTINST:0x%lx", |
| 52 | __entry->sepc, |
| 53 | __entry->scause, |
| 54 | __entry->stval, |
| 55 | __entry->htval, |
| 56 | __entry->htinst) |
| 57 | ); |
| 58 | |
| 59 | #endif /* _TRACE_RSICV_KVM_H */ |
| 60 | |
| 61 | #undef TRACE_INCLUDE_PATH |
| 62 | #define TRACE_INCLUDE_PATH . |
| 63 | #undef TRACE_INCLUDE_FILE |
| 64 | #define TRACE_INCLUDE_FILE trace |
| 65 | |
| 66 | /* This part must be outside protection */ |
| 67 | #include <trace/define_trace.h> |