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Commit | Line | Data |
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efc05ce5 DM |
1 | Index: new/hw/virtio-balloon.c |
2 | =================================================================== | |
53ba79ec DM |
3 | --- new.orig/hw/virtio-balloon.c 2012-12-18 11:40:34.000000000 +0100 |
4 | +++ new/hw/virtio-balloon.c 2012-12-18 11:50:57.000000000 +0100 | |
efc05ce5 DM |
5 | @@ -59,7 +59,7 @@ |
6 | } | |
7 | ||
8 | static const char *balloon_stat_names[] = { | |
9 | - [VIRTIO_BALLOON_S_SWAP_IN] = "stat-swap-in", | |
10 | + [VIRTIO_BALLOON_S_SWAP_IN] = "stat-swap-in", | |
11 | [VIRTIO_BALLOON_S_SWAP_OUT] = "stat-swap-out", | |
12 | [VIRTIO_BALLOON_S_MAJFLT] = "stat-major-faults", | |
13 | [VIRTIO_BALLOON_S_MINFLT] = "stat-minor-faults", | |
53ba79ec DM |
14 | @@ -73,7 +73,7 @@ |
15 | * | |
16 | * This function needs to be called at device intialization and before | |
17 | * before updating to a set of newly-generated stats. This will ensure that no | |
18 | - * stale values stick around in case the guest reports a subset of the supported | |
19 | + * stale values stick around in case The guest reports a subset of the supported | |
20 | * statistics. | |
21 | */ | |
22 | static inline void reset_stats(VirtIOBalloon *dev) | |
23 | @@ -314,6 +314,34 @@ | |
efc05ce5 DM |
24 | VirtIOBalloon *dev = opaque; |
25 | info->actual = ram_size - ((uint64_t) dev->actual << | |
26 | VIRTIO_BALLOON_PFN_SHIFT); | |
27 | + | |
53ba79ec | 28 | + info->max_mem = ram_size; |
efc05ce5 | 29 | + |
53ba79ec DM |
30 | + if (!(balloon_stats_enabled(dev) && balloon_stats_supported(dev) && |
31 | + dev->stats_last_update)) { | |
efc05ce5 DM |
32 | + return; |
33 | + } | |
34 | + | |
35 | + info->last_update = dev->stats_last_update; | |
36 | + info->has_last_update = true; | |
37 | + | |
38 | + info->mem_swapped_in = dev->stats[VIRTIO_BALLOON_S_SWAP_IN]; | |
39 | + info->has_mem_swapped_in = info->mem_swapped_in >= 0 ? true : false; | |
40 | + | |
41 | + info->mem_swapped_out = dev->stats[VIRTIO_BALLOON_S_SWAP_OUT]; | |
42 | + info->has_mem_swapped_out = info->mem_swapped_out >= 0 ? true : false; | |
43 | + | |
44 | + info->major_page_faults = dev->stats[VIRTIO_BALLOON_S_MAJFLT]; | |
45 | + info->has_major_page_faults = info->major_page_faults >= 0 ? true : false; | |
46 | + | |
47 | + info->minor_page_faults = dev->stats[VIRTIO_BALLOON_S_MINFLT]; | |
48 | + info->has_minor_page_faults = info->minor_page_faults >= 0 ? true : false; | |
49 | + | |
50 | + info->free_mem = dev->stats[VIRTIO_BALLOON_S_MEMFREE]; | |
51 | + info->has_free_mem = info->free_mem >= 0 ? true : false; | |
53ba79ec DM |
52 | + |
53 | + info->total_mem = dev->stats[VIRTIO_BALLOON_S_MEMTOT]; | |
54 | + info->has_total_mem = info->total_mem >= 0 ? true : false; | |
efc05ce5 DM |
55 | } |
56 | ||
57 | static void virtio_balloon_to_target(void *opaque, ram_addr_t target) | |
58 | Index: new/qapi-schema.json | |
59 | =================================================================== | |
53ba79ec DM |
60 | --- new.orig/qapi-schema.json 2012-12-18 11:40:34.000000000 +0100 |
61 | +++ new/qapi-schema.json 2012-12-18 11:42:06.000000000 +0100 | |
efc05ce5 DM |
62 | @@ -1044,6 +1044,8 @@ |
63 | # | |
64 | # @actual: the number of bytes the balloon currently contains | |
65 | # | |
66 | +# @last_update: #optional time when stats got updated from guest | |
67 | +# | |
68 | # @mem_swapped_in: #optional number of pages swapped in within the guest | |
69 | # | |
70 | # @mem_swapped_out: #optional number of pages swapped out within the guest | |
53ba79ec | 71 | @@ -1056,16 +1058,15 @@ |
efc05ce5 | 72 | # |
53ba79ec | 73 | # @total_mem: #optional amount of memory (in bytes) visible to the guest |
efc05ce5 | 74 | # |
53ba79ec DM |
75 | -# Since: 0.14.0 |
76 | +# @max_mem: amount of memory (in bytes) assigned to the guest | |
efc05ce5 | 77 | # |
efc05ce5 DM |
78 | -# Notes: all current versions of QEMU do not fill out optional information in |
79 | -# this structure. | |
53ba79ec | 80 | +# Since: 0.14.0 |
efc05ce5 DM |
81 | ## |
82 | { 'type': 'BalloonInfo', | |
83 | - 'data': {'actual': 'int', '*mem_swapped_in': 'int', | |
84 | + 'data': {'actual': 'int', '*last_update': 'int', '*mem_swapped_in': 'int', | |
85 | '*mem_swapped_out': 'int', '*major_page_faults': 'int', | |
86 | '*minor_page_faults': 'int', '*free_mem': 'int', | |
87 | - '*total_mem': 'int'} } | |
53ba79ec | 88 | + '*total_mem': 'int', 'max_mem': 'int', } } |
efc05ce5 DM |
89 | |
90 | ## | |
91 | # @query-balloon: | |
92 | Index: new/hmp.c | |
93 | =================================================================== | |
53ba79ec DM |
94 | --- new.orig/hmp.c 2012-12-18 11:40:34.000000000 +0100 |
95 | +++ new/hmp.c 2012-12-18 11:50:32.000000000 +0100 | |
96 | @@ -497,6 +497,14 @@ | |
efc05ce5 DM |
97 | } |
98 | ||
99 | monitor_printf(mon, "balloon: actual=%" PRId64, info->actual >> 20); | |
53ba79ec DM |
100 | + monitor_printf(mon, " max_mem=%" PRId64, info->max_mem >> 20); |
101 | + if (info->has_total_mem) { | |
102 | + monitor_printf(mon, " total_mem=%" PRId64, info->total_mem >> 20); | |
103 | + } | |
efc05ce5 DM |
104 | + if (info->has_free_mem) { |
105 | + monitor_printf(mon, " free_mem=%" PRId64, info->free_mem >> 20); | |
106 | + } | |
107 | + | |
108 | if (info->has_mem_swapped_in) { | |
109 | monitor_printf(mon, " mem_swapped_in=%" PRId64, info->mem_swapped_in); | |
110 | } | |
53ba79ec | 111 | @@ -511,11 +519,9 @@ |
efc05ce5 DM |
112 | monitor_printf(mon, " minor_page_faults=%" PRId64, |
113 | info->minor_page_faults); | |
114 | } | |
115 | - if (info->has_free_mem) { | |
116 | - monitor_printf(mon, " free_mem=%" PRId64, info->free_mem); | |
117 | - } | |
118 | - if (info->has_total_mem) { | |
119 | - monitor_printf(mon, " total_mem=%" PRId64, info->total_mem); | |
120 | + if (info->has_last_update) { | |
121 | + monitor_printf(mon, " last_update=%" PRId64, | |
122 | + info->last_update); | |
123 | } | |
124 | ||
125 | monitor_printf(mon, "\n"); |