2 * Copyright (c) 2011 NetApp, Inc.
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6 * modification, are permitted provided that the following conditions
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14 * may be used to endorse or promote products derived from this software
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17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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37 #define MAX_VMM_STAT_ELEMS 64 /* arbitrary */
41 VMM_STAT_SCOPE_INTEL, /* Intel VMX specific statistic */
42 VMM_STAT_SCOPE_AMD, /* AMD SVM specific statistic */
45 struct vmm_stat_type {
46 int index; /* position in the stats buffer */
47 int nelems; /* standalone or array */
48 const char *desc; /* description of statistic */
49 enum vmm_stat_scope scope;
52 void vmm_stat_init(void *arg);
54 #define VMM_STAT_DEFINE(type, nelems, desc, scope) \
55 struct vmm_stat_type type[1] = { \
56 { -1, nelems, desc, scope } \
58 SYSINIT(type##_stat, SI_SUB_KLD, SI_ORDER_ANY, vmm_stat_init, type)
60 #define VMM_STAT_DECLARE(type) \
61 extern struct vmm_stat_type type[1]
63 #define VMM_STAT(type, desc) \
64 VMM_STAT_DEFINE(type, 1, desc, VMM_STAT_SCOPE_ANY)
65 #define VMM_STAT_INTEL(type, desc) \
66 VMM_STAT_DEFINE(type, 1, desc, VMM_STAT_SCOPE_INTEL)
67 #define VMM_STAT_AMD(type, desc) \
68 VMM_STAT_DEFINE(type, 1, desc, VMM_STAT_SCOPE_AMD)
70 #define VMM_STAT_ARRAY(type, nelems, desc) \
71 VMM_STAT_DEFINE(type, nelems, desc, VMM_STAT_SCOPE_ANY)
73 void *vmm_stat_alloc(void);
74 void vmm_stat_free(void *vp);
77 * 'buf' should be at least fit 'MAX_VMM_STAT_TYPES' entries
79 int vmm_stat_copy(struct vm *vm, int vcpu, int *num_stats, uint64_t *buf);
80 int vmm_stat_desc_copy(int index, char *buf, int buflen);
83 vmm_stat_array_incr(struct vm *vm, int vcpu, struct vmm_stat_type *vst,
84 int statidx, uint64_t x)
89 stats = vcpu_stats(vm, vcpu);
91 if (vst->index >= 0 && statidx < vst->nelems)
92 stats[vst->index + statidx] += x;
98 vmm_stat_incr(struct vm *vm, int vcpu, struct vmm_stat_type *vst, uint64_t x)
101 #ifdef VMM_KEEP_STATS
102 vmm_stat_array_incr(vm, vcpu, vst, 0, x);
106 VMM_STAT_DECLARE(VCPU_MIGRATIONS);
107 VMM_STAT_DECLARE(VMEXIT_COUNT);
108 VMM_STAT_DECLARE(VMEXIT_EXTINT);
109 VMM_STAT_DECLARE(VMEXIT_HLT);
110 VMM_STAT_DECLARE(VMEXIT_CR_ACCESS);
111 VMM_STAT_DECLARE(VMEXIT_RDMSR);
112 VMM_STAT_DECLARE(VMEXIT_WRMSR);
113 VMM_STAT_DECLARE(VMEXIT_MTRAP);
114 VMM_STAT_DECLARE(VMEXIT_PAUSE);
115 VMM_STAT_DECLARE(VMEXIT_INTR_WINDOW);
116 VMM_STAT_DECLARE(VMEXIT_NMI_WINDOW);
117 VMM_STAT_DECLARE(VMEXIT_INOUT);
118 VMM_STAT_DECLARE(VMEXIT_CPUID);
119 VMM_STAT_DECLARE(VMEXIT_EPT_FAULT);
120 VMM_STAT_DECLARE(VMEXIT_UNKNOWN);
121 VMM_STAT_DECLARE(VMEXIT_ASTPENDING);
122 VMM_STAT_DECLARE(VMEXIT_USERSPACE);