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28 #include "utils/mono-counters.h"
29 #include "metadata/sgen-gc.h"
30 #include "utils/lock-free-alloc.h"
32 /* keep each size a multiple of ALLOC_ALIGN */
33 static const int allocator_sizes [] = {
34 8, 16, 24, 32, 40, 48, 64, 80,
35 96, 128, 160, 192, 224, 248, 320, 384,
36 448, 528, 584, 680, 816, 1088, 1360, 2040,
37 2336, 2728, 3272, 4088, 5456, 8184 };
39 #define NUM_ALLOCATORS (sizeof (allocator_sizes) / sizeof (int))
41 static MonoLockFreeAllocSizeClass size_classes [NUM_ALLOCATORS];
42 static MonoLockFreeAllocator allocators [NUM_ALLOCATORS];
45 * Find the allocator index for memory chunks that can contain @size
49 index_for_size (size_t size)
52 /* do a binary search or lookup table later. */
53 for (slot = 0; slot < NUM_ALLOCATORS; ++slot) {
54 if (allocator_sizes [slot] >= size)
57 g_assert_not_reached ();
62 * Allocator indexes for the fixed INTERNAL_MEM_XXX types. -1 if that
65 static int fixed_type_allocator_indexes [INTERNAL_MEM_MAX];
68 mono_sgen_register_fixed_internal_mem_type (int type, size_t size)
72 g_assert (type >= 0 && type < INTERNAL_MEM_MAX);
73 g_assert (fixed_type_allocator_indexes [type] == -1);
75 slot = index_for_size (size);
78 fixed_type_allocator_indexes [type] = slot;
82 mono_sgen_alloc_internal_dynamic (size_t size, int type)
87 if (size > allocator_sizes [NUM_ALLOCATORS - 1])
88 return mono_sgen_alloc_os_memory (size, TRUE);
90 index = index_for_size (size);
92 p = mono_lock_free_alloc (&allocators [index]);
98 mono_sgen_free_internal_dynamic (void *addr, size_t size, int type)
105 if (size > allocator_sizes [NUM_ALLOCATORS - 1])
106 return mono_sgen_free_os_memory (addr, size);
108 index = index_for_size (size);
110 mono_lock_free_free (addr);
114 mono_sgen_alloc_internal (int type)
116 int index = fixed_type_allocator_indexes [type];
118 g_assert (index >= 0 && index < NUM_ALLOCATORS);
119 p = mono_lock_free_alloc (&allocators [index]);
120 memset (p, 0, allocator_sizes [index]);
125 mono_sgen_free_internal (void *addr, int type)
132 index = fixed_type_allocator_indexes [type];
133 g_assert (index >= 0 && index < NUM_ALLOCATORS);
135 mono_lock_free_free (addr);
139 mono_sgen_dump_internal_mem_usage (FILE *heap_dump_file)
142 static char const *internal_mem_names [] = { "pin-queue", "fragment", "section", "scan-starts",
143 "fin-table", "finalize-entry", "dislink-table",
144 "dislink", "roots-table", "root-record", "statistics",
145 "remset", "gray-queue", "store-remset", "marksweep-tables",
146 "marksweep-block-info", "ephemeron-link", "worker-data",
147 "bridge-data", "job-queue-entry" };
151 fprintf (heap_dump_file, "<other-mem-usage type=\"large-internal\" size=\"%lld\"/>\n", large_internal_bytes_alloced);
152 fprintf (heap_dump_file, "<other-mem-usage type=\"pinned-chunks\" size=\"%lld\"/>\n", pinned_chunk_bytes_alloced);
153 for (i = 0; i < INTERNAL_MEM_MAX; ++i) {
154 fprintf (heap_dump_file, "<other-mem-usage type=\"%s\" size=\"%ld\"/>\n",
155 internal_mem_names [i], unmanaged_allocator.small_internal_mem_bytes [i]);
161 mono_sgen_report_internal_mem_usage (void)
163 /* FIXME: implement */
164 printf ("not implemented yet\n");
168 mono_sgen_init_internal_allocator (void)
172 for (i = 0; i < INTERNAL_MEM_MAX; ++i)
173 fixed_type_allocator_indexes [i] = -1;
175 for (i = 0; i < NUM_ALLOCATORS; ++i) {
176 mono_lock_free_allocator_init_size_class (&size_classes [i], allocator_sizes [i]);
177 mono_lock_free_allocator_init_allocator (&allocators [i], &size_classes [i]);