vmm_stat.h revision 248935
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: head/sys/amd64/vmm/vmm_stat.h 248935 2013-03-30 17:46:03Z neel $ 30221828Sgrehan */ 31221828Sgrehan 32221828Sgrehan#ifndef _VMM_STAT_H_ 33221828Sgrehan#define _VMM_STAT_H_ 34221828Sgrehan 35221828Sgrehanstruct vm; 36221828Sgrehan 37221828Sgrehan#define MAX_VMM_STAT_TYPES 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 45221828Sgrehanstruct vmm_stat_type { 46221828Sgrehan int index; /* position in the stats buffer */ 47248389Sneel const char *desc; /* description of statistic */ 48248389Sneel enum vmm_stat_scope scope; 49221828Sgrehan}; 50221828Sgrehan 51221828Sgrehanvoid vmm_stat_init(void *arg); 52221828Sgrehan 53248389Sneel#define VMM_STAT_DEFINE(type, desc, scope) \ 54221828Sgrehan struct vmm_stat_type type[1] = { \ 55248389Sneel { -1, desc, scope } \ 56221828Sgrehan }; \ 57221828Sgrehan SYSINIT(type##_stat, SI_SUB_KLD, SI_ORDER_ANY, vmm_stat_init, type) 58221828Sgrehan 59248389Sneel#define VMM_STAT_DECLARE(type) \ 60248389Sneel extern struct vmm_stat_type type[1] 61248389Sneel 62248389Sneel#define VMM_STAT(type, desc) \ 63248389Sneel VMM_STAT_DEFINE(type, desc, VMM_STAT_SCOPE_ANY) 64248389Sneel#define VMM_STAT_INTEL(type, desc) \ 65248389Sneel VMM_STAT_DEFINE(type, desc, VMM_STAT_SCOPE_INTEL) 66248389Sneel#define VMM_STAT_AMD(type, desc) \ 67248389Sneel VMM_STAT_DEFINE(type, desc, VMM_STAT_SCOPE_AMD) 68248389Sneel 69221828Sgrehanvoid *vmm_stat_alloc(void); 70221828Sgrehanvoid vmm_stat_free(void *vp); 71221828Sgrehan 72221828Sgrehan/* 73221828Sgrehan * 'buf' should be at least fit 'MAX_VMM_STAT_TYPES' entries 74221828Sgrehan */ 75221828Sgrehanint vmm_stat_copy(struct vm *vm, int vcpu, int *num_stats, uint64_t *buf); 76221828Sgrehanconst char *vmm_stat_desc(int index); 77221828Sgrehan 78221828Sgrehanstatic void __inline 79221828Sgrehanvmm_stat_incr(struct vm *vm, int vcpu, struct vmm_stat_type *vst, uint64_t x) 80221828Sgrehan{ 81221828Sgrehan#ifdef VMM_KEEP_STATS 82221828Sgrehan uint64_t *stats = vcpu_stats(vm, vcpu); 83221828Sgrehan if (vst->index >= 0) 84221828Sgrehan stats[vst->index] += x; 85221828Sgrehan#endif 86221828Sgrehan} 87221828Sgrehan 88248389SneelVMM_STAT_DECLARE(VCPU_MIGRATIONS); 89248389SneelVMM_STAT_DECLARE(VMEXIT_COUNT); 90248389SneelVMM_STAT_DECLARE(VMEXIT_EXTINT); 91248389SneelVMM_STAT_DECLARE(VMEXIT_HLT); 92248935SneelVMM_STAT_DECLARE(VMEXIT_CR_ACCESS); 93248935SneelVMM_STAT_DECLARE(VMEXIT_RDMSR); 94248935SneelVMM_STAT_DECLARE(VMEXIT_WRMSR); 95248935SneelVMM_STAT_DECLARE(VMEXIT_MTRAP); 96248935SneelVMM_STAT_DECLARE(VMEXIT_PAUSE); 97248935SneelVMM_STAT_DECLARE(VMEXIT_INTR_WINDOW); 98248935SneelVMM_STAT_DECLARE(VMEXIT_NMI_WINDOW); 99248935SneelVMM_STAT_DECLARE(VMEXIT_INOUT); 100248935SneelVMM_STAT_DECLARE(VMEXIT_CPUID); 101248935SneelVMM_STAT_DECLARE(VMEXIT_EPT_FAULT); 102248935SneelVMM_STAT_DECLARE(VMEXIT_UNKNOWN); 103248935SneelVMM_STAT_DECLARE(VMEXIT_ASTPENDING); 104248935SneelVMM_STAT_DECLARE(VMEXIT_USERSPACE); 105221828Sgrehan#endif 106