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vmm_stat.h (248935) vmm_stat.h (250427)
1/*-
2 * Copyright (c) 2011 NetApp, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
1/*-
2 * Copyright (c) 2011 NetApp, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 12 unchanged lines hidden (view full) ---

21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $FreeBSD: head/sys/amd64/vmm/vmm_stat.h 248935 2013-03-30 17:46:03Z neel $
29 * $FreeBSD: head/sys/amd64/vmm/vmm_stat.h 250427 2013-05-10 02:59:49Z neel $
30 */
31
32#ifndef _VMM_STAT_H_
33#define _VMM_STAT_H_
34
35struct vm;
36
30 */
31
32#ifndef _VMM_STAT_H_
33#define _VMM_STAT_H_
34
35struct vm;
36
37#define MAX_VMM_STAT_TYPES 64 /* arbitrary */
37#define MAX_VMM_STAT_ELEMS 64 /* arbitrary */
38
39enum vmm_stat_scope {
40 VMM_STAT_SCOPE_ANY,
41 VMM_STAT_SCOPE_INTEL, /* Intel VMX specific statistic */
42 VMM_STAT_SCOPE_AMD, /* AMD SVM specific statistic */
43};
44
45struct vmm_stat_type {
46 int index; /* position in the stats buffer */
38
39enum vmm_stat_scope {
40 VMM_STAT_SCOPE_ANY,
41 VMM_STAT_SCOPE_INTEL, /* Intel VMX specific statistic */
42 VMM_STAT_SCOPE_AMD, /* AMD SVM specific statistic */
43};
44
45struct vmm_stat_type {
46 int index; /* position in the stats buffer */
47 int nelems; /* standalone or array */
47 const char *desc; /* description of statistic */
48 enum vmm_stat_scope scope;
49};
50
51void vmm_stat_init(void *arg);
52
48 const char *desc; /* description of statistic */
49 enum vmm_stat_scope scope;
50};
51
52void vmm_stat_init(void *arg);
53
53#define VMM_STAT_DEFINE(type, desc, scope) \
54#define VMM_STAT_DEFINE(type, nelems, desc, scope) \
54 struct vmm_stat_type type[1] = { \
55 struct vmm_stat_type type[1] = { \
55 { -1, desc, scope } \
56 { -1, nelems, desc, scope } \
56 }; \
57 SYSINIT(type##_stat, SI_SUB_KLD, SI_ORDER_ANY, vmm_stat_init, type)
58
59#define VMM_STAT_DECLARE(type) \
60 extern struct vmm_stat_type type[1]
61
62#define VMM_STAT(type, desc) \
57 }; \
58 SYSINIT(type##_stat, SI_SUB_KLD, SI_ORDER_ANY, vmm_stat_init, type)
59
60#define VMM_STAT_DECLARE(type) \
61 extern struct vmm_stat_type type[1]
62
63#define VMM_STAT(type, desc) \
63 VMM_STAT_DEFINE(type, desc, VMM_STAT_SCOPE_ANY)
64 VMM_STAT_DEFINE(type, 1, desc, VMM_STAT_SCOPE_ANY)
64#define VMM_STAT_INTEL(type, desc) \
65#define VMM_STAT_INTEL(type, desc) \
65 VMM_STAT_DEFINE(type, desc, VMM_STAT_SCOPE_INTEL)
66 VMM_STAT_DEFINE(type, 1, desc, VMM_STAT_SCOPE_INTEL)
66#define VMM_STAT_AMD(type, desc) \
67#define VMM_STAT_AMD(type, desc) \
67 VMM_STAT_DEFINE(type, desc, VMM_STAT_SCOPE_AMD)
68 VMM_STAT_DEFINE(type, 1, desc, VMM_STAT_SCOPE_AMD)
68
69
70#define VMM_STAT_ARRAY(type, nelems, desc) \
71 VMM_STAT_DEFINE(type, nelems, desc, VMM_STAT_SCOPE_ANY)
72
69void *vmm_stat_alloc(void);
70void vmm_stat_free(void *vp);
71
72/*
73 * 'buf' should be at least fit 'MAX_VMM_STAT_TYPES' entries
74 */
75int vmm_stat_copy(struct vm *vm, int vcpu, int *num_stats, uint64_t *buf);
73void *vmm_stat_alloc(void);
74void vmm_stat_free(void *vp);
75
76/*
77 * 'buf' should be at least fit 'MAX_VMM_STAT_TYPES' entries
78 */
79int vmm_stat_copy(struct vm *vm, int vcpu, int *num_stats, uint64_t *buf);
76const char *vmm_stat_desc(int index);
80int vmm_stat_desc_copy(int index, char *buf, int buflen);
77
78static void __inline
81
82static void __inline
83vmm_stat_array_incr(struct vm *vm, int vcpu, struct vmm_stat_type *vst,
84 int statidx, uint64_t x)
85{
86#ifdef VMM_KEEP_STATS
87 uint64_t *stats;
88
89 stats = vcpu_stats(vm, vcpu);
90
91 if (vst->index >= 0 && statidx < vst->nelems)
92 stats[vst->index + statidx] += x;
93#endif
94}
95
96
97static void __inline
79vmm_stat_incr(struct vm *vm, int vcpu, struct vmm_stat_type *vst, uint64_t x)
80{
98vmm_stat_incr(struct vm *vm, int vcpu, struct vmm_stat_type *vst, uint64_t x)
99{
81#ifdef VMM_KEEP_STATS
82 uint64_t *stats = vcpu_stats(vm, vcpu);
83 if (vst->index >= 0)
84 stats[vst->index] += x;
100
101#ifdef VMM_KEEP_STATS
102 vmm_stat_array_incr(vm, vcpu, vst, 0, x);
85#endif
86}
87
88VMM_STAT_DECLARE(VCPU_MIGRATIONS);
89VMM_STAT_DECLARE(VMEXIT_COUNT);
90VMM_STAT_DECLARE(VMEXIT_EXTINT);
91VMM_STAT_DECLARE(VMEXIT_HLT);
92VMM_STAT_DECLARE(VMEXIT_CR_ACCESS);

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103#endif
104}
105
106VMM_STAT_DECLARE(VCPU_MIGRATIONS);
107VMM_STAT_DECLARE(VMEXIT_COUNT);
108VMM_STAT_DECLARE(VMEXIT_EXTINT);
109VMM_STAT_DECLARE(VMEXIT_HLT);
110VMM_STAT_DECLARE(VMEXIT_CR_ACCESS);

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