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25 #include "utils/mono-counters.h"
26 #include "metadata/sgen-gc.h"
27 #include "utils/lock-free-alloc.h"
29 /* keep each size a multiple of ALLOC_ALIGN */
30 static const int allocator_sizes [] = {
31 8, 16, 24, 32, 40, 48, 64, 80,
32 96, 128, 160, 192, 224, 248, 320, 384,
33 448, 528, 584, 680, 816, 1088, 1360, 2040,
34 2336, 2728, 3272, 4088, 5456, 8184 };
36 #define NUM_ALLOCATORS (sizeof (allocator_sizes) / sizeof (int))
38 static MonoLockFreeAllocSizeClass size_classes [NUM_ALLOCATORS];
39 static MonoLockFreeAllocator allocators [NUM_ALLOCATORS];
42 * Find the allocator index for memory chunks that can contain @size
46 index_for_size (size_t size)
49 /* do a binary search or lookup table later. */
50 for (slot = 0; slot < NUM_ALLOCATORS; ++slot) {
51 if (allocator_sizes [slot] >= size)
54 g_assert_not_reached ();
59 * Allocator indexes for the fixed INTERNAL_MEM_XXX types. -1 if that
62 static int fixed_type_allocator_indexes [INTERNAL_MEM_MAX];
65 mono_sgen_register_fixed_internal_mem_type (int type, size_t size)
69 g_assert (type >= 0 && type < INTERNAL_MEM_MAX);
70 g_assert (fixed_type_allocator_indexes [type] == -1);
72 slot = index_for_size (size);
75 fixed_type_allocator_indexes [type] = slot;
79 mono_sgen_alloc_internal_dynamic (size_t size, int type)
84 if (size > allocator_sizes [NUM_ALLOCATORS - 1])
85 return mono_sgen_alloc_os_memory (size, TRUE);
87 index = index_for_size (size);
89 p = mono_lock_free_alloc (&allocators [index]);
95 mono_sgen_free_internal_dynamic (void *addr, size_t size, int type)
102 if (size > allocator_sizes [NUM_ALLOCATORS - 1])
103 return mono_sgen_free_os_memory (addr, size);
105 index = index_for_size (size);
107 mono_lock_free_free (addr);
111 mono_sgen_alloc_internal (int type)
113 int index = fixed_type_allocator_indexes [type];
115 g_assert (index >= 0 && index < NUM_ALLOCATORS);
116 p = mono_lock_free_alloc (&allocators [index]);
117 memset (p, 0, allocator_sizes [index]);
122 mono_sgen_free_internal (void *addr, int type)
129 index = fixed_type_allocator_indexes [type];
130 g_assert (index >= 0 && index < NUM_ALLOCATORS);
132 mono_lock_free_free (addr);
136 mono_sgen_dump_internal_mem_usage (FILE *heap_dump_file)
139 static char const *internal_mem_names [] = { "pin-queue", "fragment", "section", "scan-starts",
140 "fin-table", "finalize-entry", "dislink-table",
141 "dislink", "roots-table", "root-record", "statistics",
142 "remset", "gray-queue", "store-remset", "marksweep-tables",
143 "marksweep-block-info", "ephemeron-link", "worker-data",
144 "bridge-data", "job-queue-entry" };
148 fprintf (heap_dump_file, "<other-mem-usage type=\"large-internal\" size=\"%lld\"/>\n", large_internal_bytes_alloced);
149 fprintf (heap_dump_file, "<other-mem-usage type=\"pinned-chunks\" size=\"%lld\"/>\n", pinned_chunk_bytes_alloced);
150 for (i = 0; i < INTERNAL_MEM_MAX; ++i) {
151 fprintf (heap_dump_file, "<other-mem-usage type=\"%s\" size=\"%ld\"/>\n",
152 internal_mem_names [i], unmanaged_allocator.small_internal_mem_bytes [i]);
158 mono_sgen_report_internal_mem_usage (void)
160 /* FIXME: implement */
161 printf ("not implemented yet\n");
165 mono_sgen_init_internal_allocator (void)
169 for (i = 0; i < INTERNAL_MEM_MAX; ++i)
170 fixed_type_allocator_indexes [i] = -1;
172 for (i = 0; i < NUM_ALLOCATORS; ++i) {
173 mono_lock_free_allocator_init_size_class (&size_classes [i], allocator_sizes [i]);
174 mono_lock_free_allocator_init_allocator (&allocators [i], &size_classes [i]);
177 #ifdef HEAVY_STATISTICS
178 mono_counters_register ("Internal allocs", MONO_COUNTER_GC | MONO_COUNTER_LONG, &stat_internal_alloc);