fix: KVM: x86: Add intr/vectoring info and error code to kvm_exit tracepoint (v5.10)

[lttng-modules.git] / instrumentation / events / lttng-module / arch / x86 / kvm / trace.h

diff --git a/instrumentation/events/lttng-module/arch/x86/kvm/trace.h b/instrumentation/events/lttng-module/arch/x86/kvm/trace.h
index d6c8dbed024cd5ed157c378ec4a35ce2060eec3f..0917b51f5122014f8157e0ca2fccf9a83de3a3f3 100644 (file)
--- a/instrumentation/events/lttng-module/arch/x86/kvm/trace.h
+++ b/instrumentation/events/lttng-module/arch/x86/kvm/trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #if !defined(LTTNG_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
 #define LTTNG_TRACE_KVM_H
 
@@ -114,6 +115,61 @@ LTTNG_TRACEPOINT_EVENT_MAP(kvm_apic, kvm_x86_apic,
 /*
  * Tracepoint for kvm guest exit:
  */
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,10,0))
+LTTNG_TRACEPOINT_EVENT_CODE_MAP(kvm_exit, kvm_x86_exit,
+       TP_PROTO(unsigned int exit_reason, struct kvm_vcpu *vcpu, u32 isa),
+       TP_ARGS(exit_reason, vcpu, isa),
+
+       TP_locvar(
+               u64 info1, info2;
+               u32 intr_info, error_code;
+       ),
+
+       TP_code_pre(
+               kvm_x86_ops.get_exit_info(vcpu, &tp_locvar->info1,
+                               &tp_locvar->info2,
+                               &tp_locvar->intr_info,
+                               &tp_locvar->error_code);
+       ),
+
+       TP_FIELDS(
+               ctf_integer(unsigned int, exit_reason, exit_reason)
+               ctf_integer(unsigned long, guest_rip, kvm_rip_read(vcpu))
+               ctf_integer(u32, isa, isa)
+               ctf_integer(u64, info1, tp_locvar->info1)
+               ctf_integer(u64, info2, tp_locvar->info2)
+               ctf_integer(u32, intr_info, tp_locvar->intr_info)
+               ctf_integer(u32, error_code, tp_locvar->error_code)
+               ctf_integer(unsigned int, vcpu_id, vcpu->vcpu_id)
+       ),
+
+       TP_code_post()
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(5,7,0))
+LTTNG_TRACEPOINT_EVENT_CODE_MAP(kvm_exit, kvm_x86_exit,
+       TP_PROTO(unsigned int exit_reason, struct kvm_vcpu *vcpu, u32 isa),
+       TP_ARGS(exit_reason, vcpu, isa),
+
+       TP_locvar(
+               u64 info1, info2;
+       ),
+
+       TP_code_pre(
+               kvm_x86_ops.get_exit_info(vcpu, &tp_locvar->info1,
+                               &tp_locvar->info2);
+       ),
+
+       TP_FIELDS(
+               ctf_integer(unsigned int, exit_reason, exit_reason)
+               ctf_integer(unsigned long, guest_rip, kvm_rip_read(vcpu))
+               ctf_integer(u32, isa, isa)
+               ctf_integer(u64, info1, tp_locvar->info1)
+               ctf_integer(u64, info2, tp_locvar->info2)
+       ),
+
+       TP_code_post()
+)
+#else
 LTTNG_TRACEPOINT_EVENT_CODE_MAP(kvm_exit, kvm_x86_exit,
        TP_PROTO(unsigned int exit_reason, struct kvm_vcpu *vcpu, u32 isa),
        TP_ARGS(exit_reason, vcpu, isa),
@@ -137,6 +193,7 @@ LTTNG_TRACEPOINT_EVENT_CODE_MAP(kvm_exit, kvm_x86_exit,
 
        TP_code_post()
 )
+#endif
 
 /*
  * Tracepoint for kvm interrupt injection:
@@ -429,13 +486,15 @@ LTTNG_TRACEPOINT_EVENT_MAP(kvm_emulate_insn, kvm_x86_emulate_insn,
                ctf_integer(__u8, len, vcpu->arch.emulate_ctxt.decode.eip
                                - vcpu->arch.emulate_ctxt.decode.fetch.start)
                ctf_array(__u8, insn, vcpu->arch.emulate_ctxt.decode.fetch.data, 15)
+               ctf_integer(__u8, flags, kei_decode_mode(vcpu->arch.emulate_ctxt.mode))
 #elif (LINUX_VERSION_CODE < KERNEL_VERSION(3,17,0))
                ctf_integer(__u64, rip, vcpu->arch.emulate_ctxt.fetch.start)
                ctf_integer(__u32, csbase, kvm_x86_ops->get_segment_base(vcpu, VCPU_SREG_CS))
                ctf_integer(__u8, len, vcpu->arch.emulate_ctxt._eip
                                - vcpu->arch.emulate_ctxt.fetch.start)
                ctf_array(__u8, insn, vcpu->arch.emulate_ctxt.fetch.data, 15)
-#else
+               ctf_integer(__u8, flags, kei_decode_mode(vcpu->arch.emulate_ctxt.mode))
+#elif (LINUX_VERSION_CODE < KERNEL_VERSION(5,7,0))
                ctf_integer(__u64, rip, vcpu->arch.emulate_ctxt._eip -
                                (vcpu->arch.emulate_ctxt.fetch.ptr -
                                        vcpu->arch.emulate_ctxt.fetch.data))
@@ -443,8 +502,17 @@ LTTNG_TRACEPOINT_EVENT_MAP(kvm_emulate_insn, kvm_x86_emulate_insn,
                ctf_integer(__u8, len, vcpu->arch.emulate_ctxt.fetch.ptr -
                                vcpu->arch.emulate_ctxt.fetch.data)
                ctf_array(__u8, insn, vcpu->arch.emulate_ctxt.fetch.data, 15)
-#endif
                ctf_integer(__u8, flags, kei_decode_mode(vcpu->arch.emulate_ctxt.mode))
+#else
+               ctf_integer(__u64, rip, vcpu->arch.emulate_ctxt->_eip -
+                               (vcpu->arch.emulate_ctxt->fetch.ptr -
+                                       vcpu->arch.emulate_ctxt->fetch.data))
+               ctf_integer(__u32, csbase, kvm_x86_ops.get_segment_base(vcpu, VCPU_SREG_CS))
+               ctf_integer(__u8, len, vcpu->arch.emulate_ctxt->fetch.ptr -
+                               vcpu->arch.emulate_ctxt->fetch.data)
+               ctf_array(__u8, insn, vcpu->arch.emulate_ctxt->fetch.data, 15)
+               ctf_integer(__u8, flags, kei_decode_mode(vcpu->arch.emulate_ctxt->mode))
+#endif
                ctf_integer(__u8, failed, failed)
        )
 )
@@ -515,7 +583,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(kvm_track_tsc, kvm_x86_track_tsc,
 #endif /* LTTNG_TRACE_KVM_H */
 
 #undef TRACE_INCLUDE_PATH
-#define TRACE_INCLUDE_PATH ../instrumentation/events/lttng-module/arch/x86/kvm
+#define TRACE_INCLUDE_PATH instrumentation/events/lttng-module/arch/x86/kvm
 #undef TRACE_INCLUDE_FILE
 #define TRACE_INCLUDE_FILE trace