Date: Sat, 20 Sep 2014 05:13:03 +0000 (UTC) From: Neel Natu <neel@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r271891 - in head/sys/amd64/vmm: . io Message-ID: <201409200513.s8K5D3Er070187@svn.freebsd.org>
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Author: neel Date: Sat Sep 20 05:13:03 2014 New Revision: 271891 URL: http://svnweb.freebsd.org/changeset/base/271891 Log: Add some more KTR events to help debugging. Modified: head/sys/amd64/vmm/io/vlapic.c head/sys/amd64/vmm/vmm.c Modified: head/sys/amd64/vmm/io/vlapic.c ============================================================================== --- head/sys/amd64/vmm/io/vlapic.c Sat Sep 20 05:12:34 2014 (r271890) +++ head/sys/amd64/vmm/io/vlapic.c Sat Sep 20 05:13:03 2014 (r271891) @@ -633,6 +633,7 @@ vlapic_fire_timer(struct vlapic *vlapic) // The timer LVT always uses the fixed delivery mode. lvt = vlapic_get_lvt(vlapic, APIC_OFFSET_TIMER_LVT); if (vlapic_fire_lvt(vlapic, lvt | APIC_LVT_DM_FIXED)) { + VLAPIC_CTR0(vlapic, "vlapic timer fired"); vmm_stat_incr(vlapic->vm, vlapic->vcpuid, VLAPIC_INTR_TIMER, 1); } } Modified: head/sys/amd64/vmm/vmm.c ============================================================================== --- head/sys/amd64/vmm/vmm.c Sat Sep 20 05:12:34 2014 (r271890) +++ head/sys/amd64/vmm/vmm.c Sat Sep 20 05:13:03 2014 (r271891) @@ -1197,8 +1197,12 @@ vm_handle_paging(struct vm *vm, int vcpu if (ftype == VM_PROT_READ || ftype == VM_PROT_WRITE) { rv = pmap_emulate_accessed_dirty(vmspace_pmap(vm->vmspace), vme->u.paging.gpa, ftype); - if (rv == 0) + if (rv == 0) { + VCPU_CTR2(vm, vcpuid, "%s bit emulation for gpa %#lx", + ftype == VM_PROT_READ ? "accessed" : "dirty", + vme->u.paging.gpa); goto done; + } } map = &vm->vmspace->vm_map; @@ -1239,6 +1243,8 @@ vm_handle_inst_emul(struct vm *vm, int v paging = &vme->u.inst_emul.paging; cpu_mode = paging->cpu_mode; + VCPU_CTR1(vm, vcpuid, "inst_emul fault accessing gpa %#lx", gpa); + vie_init(vie); /* Fetch, decode and emulate the faulting instruction */
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