1221828Sgrehan/*- 2221828Sgrehan * Copyright (c) 2011 NetApp, Inc. 3221828Sgrehan * All rights reserved. 4221828Sgrehan * 5221828Sgrehan * Redistribution and use in source and binary forms, with or without 6221828Sgrehan * modification, are permitted provided that the following conditions 7221828Sgrehan * are met: 8221828Sgrehan * 1. Redistributions of source code must retain the above copyright 9221828Sgrehan * notice, this list of conditions and the following disclaimer. 10221828Sgrehan * 2. Redistributions in binary form must reproduce the above copyright 11221828Sgrehan * notice, this list of conditions and the following disclaimer in the 12221828Sgrehan * documentation and/or other materials provided with the distribution. 13221828Sgrehan * 4. Neither the name of the University nor the names of its contributors 14221828Sgrehan * may be used to endorse or promote products derived from this software 15221828Sgrehan * without specific prior written permission. 16221828Sgrehan * 17221828Sgrehan * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18221828Sgrehan * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19221828Sgrehan * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20221828Sgrehan * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21221828Sgrehan * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22221828Sgrehan * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23221828Sgrehan * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24221828Sgrehan * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25221828Sgrehan * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26221828Sgrehan * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27221828Sgrehan * SUCH DAMAGE. 28221828Sgrehan * 29221828Sgrehan * $FreeBSD$ 30221828Sgrehan */ 31221828Sgrehan 32221828Sgrehan#ifndef _VMM_STAT_H_ 33221828Sgrehan#define _VMM_STAT_H_ 34221828Sgrehan 35221828Sgrehanstruct vm; 36221828Sgrehan 37250427Sneel#define MAX_VMM_STAT_ELEMS 64 /* arbitrary */ 38221828Sgrehan 39248389Sneelenum vmm_stat_scope { 40248389Sneel VMM_STAT_SCOPE_ANY, 41248389Sneel VMM_STAT_SCOPE_INTEL, /* Intel VMX specific statistic */ 42248389Sneel VMM_STAT_SCOPE_AMD, /* AMD SVM specific statistic */ 43248389Sneel}; 44248389Sneel 45270074Sgrehanstruct vmm_stat_type; 46270074Sgrehantypedef void (*vmm_stat_func_t)(struct vm *vm, int vcpu, 47270074Sgrehan struct vmm_stat_type *stat); 48270074Sgrehan 49221828Sgrehanstruct vmm_stat_type { 50221828Sgrehan int index; /* position in the stats buffer */ 51250427Sneel int nelems; /* standalone or array */ 52248389Sneel const char *desc; /* description of statistic */ 53270074Sgrehan vmm_stat_func_t func; 54248389Sneel enum vmm_stat_scope scope; 55221828Sgrehan}; 56221828Sgrehan 57270071Sgrehanvoid vmm_stat_register(void *arg); 58221828Sgrehan 59270074Sgrehan#define VMM_STAT_FDEFINE(type, nelems, desc, func, scope) \ 60221828Sgrehan struct vmm_stat_type type[1] = { \ 61270074Sgrehan { -1, nelems, desc, func, scope } \ 62221828Sgrehan }; \ 63270071Sgrehan SYSINIT(type##_stat, SI_SUB_KLD, SI_ORDER_ANY, vmm_stat_register, type) 64221828Sgrehan 65270074Sgrehan#define VMM_STAT_DEFINE(type, nelems, desc, scope) \ 66270074Sgrehan VMM_STAT_FDEFINE(type, nelems, desc, NULL, scope) 67270074Sgrehan 68248389Sneel#define VMM_STAT_DECLARE(type) \ 69248389Sneel extern struct vmm_stat_type type[1] 70248389Sneel 71248389Sneel#define VMM_STAT(type, desc) \ 72250427Sneel VMM_STAT_DEFINE(type, 1, desc, VMM_STAT_SCOPE_ANY) 73248389Sneel#define VMM_STAT_INTEL(type, desc) \ 74250427Sneel VMM_STAT_DEFINE(type, 1, desc, VMM_STAT_SCOPE_INTEL) 75248389Sneel#define VMM_STAT_AMD(type, desc) \ 76250427Sneel VMM_STAT_DEFINE(type, 1, desc, VMM_STAT_SCOPE_AMD) 77248389Sneel 78270074Sgrehan#define VMM_STAT_FUNC(type, desc, func) \ 79270074Sgrehan VMM_STAT_FDEFINE(type, 1, desc, func, VMM_STAT_SCOPE_ANY) 80270074Sgrehan 81250427Sneel#define VMM_STAT_ARRAY(type, nelems, desc) \ 82250427Sneel VMM_STAT_DEFINE(type, nelems, desc, VMM_STAT_SCOPE_ANY) 83250427Sneel 84221828Sgrehanvoid *vmm_stat_alloc(void); 85270071Sgrehanvoid vmm_stat_init(void *vp); 86221828Sgrehanvoid vmm_stat_free(void *vp); 87221828Sgrehan 88221828Sgrehan/* 89221828Sgrehan * 'buf' should be at least fit 'MAX_VMM_STAT_TYPES' entries 90221828Sgrehan */ 91221828Sgrehanint vmm_stat_copy(struct vm *vm, int vcpu, int *num_stats, uint64_t *buf); 92250427Sneelint vmm_stat_desc_copy(int index, char *buf, int buflen); 93221828Sgrehan 94221828Sgrehanstatic void __inline 95250427Sneelvmm_stat_array_incr(struct vm *vm, int vcpu, struct vmm_stat_type *vst, 96250427Sneel int statidx, uint64_t x) 97250427Sneel{ 98250427Sneel#ifdef VMM_KEEP_STATS 99250427Sneel uint64_t *stats; 100250427Sneel 101250427Sneel stats = vcpu_stats(vm, vcpu); 102250427Sneel 103250427Sneel if (vst->index >= 0 && statidx < vst->nelems) 104250427Sneel stats[vst->index + statidx] += x; 105250427Sneel#endif 106250427Sneel} 107250427Sneel 108250427Sneelstatic void __inline 109270074Sgrehanvmm_stat_array_set(struct vm *vm, int vcpu, struct vmm_stat_type *vst, 110270074Sgrehan int statidx, uint64_t val) 111270074Sgrehan{ 112270074Sgrehan#ifdef VMM_KEEP_STATS 113270074Sgrehan uint64_t *stats; 114270074Sgrehan 115270074Sgrehan stats = vcpu_stats(vm, vcpu); 116270074Sgrehan 117270074Sgrehan if (vst->index >= 0 && statidx < vst->nelems) 118270074Sgrehan stats[vst->index + statidx] = val; 119270074Sgrehan#endif 120270074Sgrehan} 121270074Sgrehan 122270074Sgrehanstatic void __inline 123221828Sgrehanvmm_stat_incr(struct vm *vm, int vcpu, struct vmm_stat_type *vst, uint64_t x) 124221828Sgrehan{ 125250427Sneel 126250427Sneel#ifdef VMM_KEEP_STATS 127250427Sneel vmm_stat_array_incr(vm, vcpu, vst, 0, x); 128221828Sgrehan#endif 129221828Sgrehan} 130221828Sgrehan 131270074Sgrehanstatic void __inline 132270074Sgrehanvmm_stat_set(struct vm *vm, int vcpu, struct vmm_stat_type *vst, uint64_t val) 133270074Sgrehan{ 134270074Sgrehan 135270074Sgrehan#ifdef VMM_KEEP_STATS 136270074Sgrehan vmm_stat_array_set(vm, vcpu, vst, 0, val); 137270074Sgrehan#endif 138270074Sgrehan} 139270074Sgrehan 140248389SneelVMM_STAT_DECLARE(VCPU_MIGRATIONS); 141248389SneelVMM_STAT_DECLARE(VMEXIT_COUNT); 142248389SneelVMM_STAT_DECLARE(VMEXIT_EXTINT); 143248389SneelVMM_STAT_DECLARE(VMEXIT_HLT); 144248935SneelVMM_STAT_DECLARE(VMEXIT_CR_ACCESS); 145248935SneelVMM_STAT_DECLARE(VMEXIT_RDMSR); 146248935SneelVMM_STAT_DECLARE(VMEXIT_WRMSR); 147248935SneelVMM_STAT_DECLARE(VMEXIT_MTRAP); 148248935SneelVMM_STAT_DECLARE(VMEXIT_PAUSE); 149248935SneelVMM_STAT_DECLARE(VMEXIT_INTR_WINDOW); 150248935SneelVMM_STAT_DECLARE(VMEXIT_NMI_WINDOW); 151248935SneelVMM_STAT_DECLARE(VMEXIT_INOUT); 152248935SneelVMM_STAT_DECLARE(VMEXIT_CPUID); 153266339SjhbVMM_STAT_DECLARE(VMEXIT_NESTED_FAULT); 154266339SjhbVMM_STAT_DECLARE(VMEXIT_INST_EMUL); 155248935SneelVMM_STAT_DECLARE(VMEXIT_UNKNOWN); 156248935SneelVMM_STAT_DECLARE(VMEXIT_ASTPENDING); 157248935SneelVMM_STAT_DECLARE(VMEXIT_USERSPACE); 158266339SjhbVMM_STAT_DECLARE(VMEXIT_RENDEZVOUS); 159266593SjhbVMM_STAT_DECLARE(VMEXIT_EXCEPTION); 160284900SneelVMM_STAT_DECLARE(VMEXIT_REQIDLE); 161221828Sgrehan#endif 162