| 1 | /* |
| 2 | * Copyright (C) 2019-2020 Paul Cercueil <paul@crapouillou.net> |
| 3 | * |
| 4 | * This library is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU Lesser General Public |
| 6 | * License as published by the Free Software Foundation; either |
| 7 | * version 2.1 of the License, or (at your option) any later version. |
| 8 | * |
| 9 | * This library is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | * Lesser General Public License for more details. |
| 13 | */ |
| 14 | |
| 15 | #include "config.h" |
| 16 | #include "lightrec-private.h" |
| 17 | #include "memmanager.h" |
| 18 | |
| 19 | #include <stdlib.h> |
| 20 | #if ENABLE_TINYMM |
| 21 | #include <tinymm.h> |
| 22 | #endif |
| 23 | |
| 24 | #ifdef ENABLE_THREADED_COMPILER |
| 25 | #include <stdatomic.h> |
| 26 | |
| 27 | static atomic_uint lightrec_bytes[MEM_TYPE_END]; |
| 28 | |
| 29 | void lightrec_register(enum mem_type type, unsigned int len) |
| 30 | { |
| 31 | atomic_fetch_add(&lightrec_bytes[type], len); |
| 32 | } |
| 33 | |
| 34 | void lightrec_unregister(enum mem_type type, unsigned int len) |
| 35 | { |
| 36 | atomic_fetch_sub(&lightrec_bytes[type], len); |
| 37 | } |
| 38 | |
| 39 | unsigned int lightrec_get_mem_usage(enum mem_type type) |
| 40 | { |
| 41 | return atomic_load(&lightrec_bytes[type]); |
| 42 | } |
| 43 | |
| 44 | #else /* ENABLE_THREADED_COMPILER */ |
| 45 | |
| 46 | static unsigned int lightrec_bytes[MEM_TYPE_END]; |
| 47 | |
| 48 | void lightrec_register(enum mem_type type, unsigned int len) |
| 49 | { |
| 50 | lightrec_bytes[type] += len; |
| 51 | } |
| 52 | |
| 53 | void lightrec_unregister(enum mem_type type, unsigned int len) |
| 54 | { |
| 55 | lightrec_bytes[type] -= len; |
| 56 | } |
| 57 | |
| 58 | unsigned int lightrec_get_mem_usage(enum mem_type type) |
| 59 | { |
| 60 | return lightrec_bytes[type]; |
| 61 | } |
| 62 | #endif /* ENABLE_THREADED_COMPILER */ |
| 63 | |
| 64 | unsigned int lightrec_get_total_mem_usage(void) |
| 65 | { |
| 66 | unsigned int i, count; |
| 67 | |
| 68 | for (i = 0, count = 0; i < MEM_TYPE_END; i++) |
| 69 | count += lightrec_get_mem_usage((enum mem_type)i); |
| 70 | |
| 71 | return count; |
| 72 | } |
| 73 | |
| 74 | void * lightrec_malloc(struct lightrec_state *state, |
| 75 | enum mem_type type, unsigned int len) |
| 76 | { |
| 77 | void *ptr; |
| 78 | |
| 79 | #if ENABLE_TINYMM |
| 80 | if (type == MEM_FOR_IR) |
| 81 | ptr = tinymm_malloc(state->tinymm, len); |
| 82 | else |
| 83 | #endif |
| 84 | ptr = malloc(len); |
| 85 | if (!ptr) |
| 86 | return NULL; |
| 87 | |
| 88 | lightrec_register(type, len); |
| 89 | |
| 90 | return ptr; |
| 91 | } |
| 92 | |
| 93 | void * lightrec_calloc(struct lightrec_state *state, |
| 94 | enum mem_type type, unsigned int len) |
| 95 | { |
| 96 | void *ptr; |
| 97 | |
| 98 | #if ENABLE_TINYMM |
| 99 | if (type == MEM_FOR_IR) |
| 100 | ptr = tinymm_zalloc(state->tinymm, len); |
| 101 | else |
| 102 | #endif |
| 103 | ptr = calloc(1, len); |
| 104 | if (!ptr) |
| 105 | return NULL; |
| 106 | |
| 107 | lightrec_register(type, len); |
| 108 | |
| 109 | return ptr; |
| 110 | } |
| 111 | |
| 112 | void lightrec_free(struct lightrec_state *state, |
| 113 | enum mem_type type, unsigned int len, void *ptr) |
| 114 | { |
| 115 | lightrec_unregister(type, len); |
| 116 | #if ENABLE_TINYMM |
| 117 | if (type == MEM_FOR_IR) |
| 118 | tinymm_free(state->tinymm, ptr); |
| 119 | else |
| 120 | #endif |
| 121 | free(ptr); |
| 122 | } |
| 123 | |
| 124 | float lightrec_get_average_ipi(void) |
| 125 | { |
| 126 | unsigned int code_mem = lightrec_get_mem_usage(MEM_FOR_CODE); |
| 127 | unsigned int native_mem = lightrec_get_mem_usage(MEM_FOR_MIPS_CODE); |
| 128 | |
| 129 | return native_mem ? (float)code_mem / (float)native_mem : 0.0f; |
| 130 | } |