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Tracing facility for nested virtualization
Signed-off-by: Christoph Egger <Christoph.Egger@amd.com> Signed-off-by: Keir Fraser <keir@xen.org>
This commit is contained in:
Keir Fraser committed
1 parent
5428e6c969
commit
486fa85e92
3 files changed
+19
-10
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@@ -38,6 +38,9 @@
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0x00081001 CPU%(cpu)d %(tsc)d (+%(reltsc)8d) VMENTRY
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0x00081002 CPU%(cpu)d %(tsc)d (+%(reltsc)8d) VMEXIT [ exitcode = 0x%(1)08x, rIP = 0x%(2)08x ]
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0x00081102 CPU%(cpu)d %(tsc)d (+%(reltsc)8d) VMEXIT [ exitcode = 0x%(1)08x, rIP = 0x%(3)08x%(2)08x ]
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0x00081401 CPU%(cpu)d %(tsc)d (+%(reltsc)8d) nVMENTRY
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0x00081402 CPU%(cpu)d %(tsc)d (+%(reltsc)8d) nVMEXIT [ exitcode = 0x%(1)08x, rIP = 0x%(2)08x ]
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0x00081502 CPU%(cpu)d %(tsc)d (+%(reltsc)8d) nVMEXIT [ exitcode = 0x%(1)08x, rIP = 0x%(3)08x%(2)08x ]
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0x00082001 CPU%(cpu)d %(tsc)d (+%(reltsc)8d) PF_XEN [ errorcode = 0x%(2)02x, virt = 0x%(1)08x ]
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0x00082101 CPU%(cpu)d %(tsc)d (+%(reltsc)8d) PF_XEN [ errorcode = 0x%(3)02x, virt = 0x%(2)08x%(1)08x ]
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0x00082002 CPU%(cpu)d %(tsc)d (+%(reltsc)8d) PF_INJECT [ errorcode = 0x%(1)02x, virt = 0x%(2)08x ]
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+15
-10
@@ -1668,6 +1668,17 @@ asmlinkage void svm_vmexit_handler(struct cpu_user_regs *regs)
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exit_reason = vmcb->exitcode;
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if ( hvm_long_mode_enabled(v) )
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HVMTRACE_ND(VMEXIT64, vcpu_guestmode ? TRC_HVM_NESTEDFLAG : 0,
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1/*cycles*/, 3, exit_reason,
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(uint32_t)regs->eip, (uint32_t)((uint64_t)regs->eip >> 32),
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0, 0, 0);
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else
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HVMTRACE_ND(VMEXIT, vcpu_guestmode ? TRC_HVM_NESTEDFLAG : 0,
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1/*cycles*/, 2, exit_reason,
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(uint32_t)regs->eip,
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0, 0, 0, 0);
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if ( vcpu_guestmode ) {
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enum nestedhvm_vmexits nsret;
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struct nestedvcpu *nv = &vcpu_nestedhvm(v);
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@@ -1728,15 +1739,6 @@ asmlinkage void svm_vmexit_handler(struct cpu_user_regs *regs)
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}
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}
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if ( hvm_long_mode_enabled(v) )
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HVMTRACE_ND(VMEXIT64, 0, 1/*cycles*/, 3, exit_reason,
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(uint32_t)regs->eip, (uint32_t)((uint64_t)regs->eip >> 32),
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0, 0, 0);
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else
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HVMTRACE_ND(VMEXIT, 0, 1/*cycles*/, 2, exit_reason,
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(uint32_t)regs->eip,
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0, 0, 0, 0);
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if ( unlikely(exit_reason == VMEXIT_INVALID) )
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{
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svm_vmcb_dump(__func__, vmcb);
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@@ -2014,7 +2016,10 @@ asmlinkage void svm_vmexit_handler(struct cpu_user_regs *regs)
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asmlinkage void svm_trace_vmentry(void)
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{
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HVMTRACE_ND(VMENTRY, 0, 1/*cycles*/, 0, 0, 0, 0, 0, 0, 0);
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struct vcpu *curr = current;
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HVMTRACE_ND(VMENTRY,
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nestedhvm_vcpu_in_guestmode(curr) ? TRC_HVM_NESTEDFLAG : 0,
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1/*cycles*/, 0, 0, 0, 0, 0, 0, 0);
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}
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/*
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@@ -123,6 +123,7 @@
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#define TRC_SHADOW_RESYNC_ONLY (TRC_SHADOW + 15)
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/* trace events per subclass */
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#define TRC_HVM_NESTEDFLAG (0x400)
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#define TRC_HVM_VMENTRY (TRC_HVM_ENTRYEXIT + 0x01)
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#define TRC_HVM_VMEXIT (TRC_HVM_ENTRYEXIT + 0x02)
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#define TRC_HVM_VMEXIT64 (TRC_HVM_ENTRYEXIT + TRC_64_FLAG + 0x02)
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