Merge "astmm.c: Display backtrace with memory show allocations" into 16
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commit
b41e1e8928
23
main/astmm.c
23
main/astmm.c
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@ -188,7 +188,7 @@ AST_MUTEX_DEFINE_STATIC_NOTRACKING(reglock);
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} \
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} while (0)
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static void print_backtrace(struct ast_bt *bt)
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static void print_backtrace(struct ast_bt *bt, struct ast_cli_args *a)
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{
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int i = 0;
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struct ast_vector_string *strings;
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@ -198,9 +198,17 @@ static void print_backtrace(struct ast_bt *bt)
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}
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if ((strings = ast_bt_get_symbols(bt->addresses, bt->num_frames))) {
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astmm_log("Memory allocation backtrace:\n");
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if (a) {
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ast_cli(a->fd, "Memory allocation backtrace:\n");
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} else {
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astmm_log("Memory allocation backtrace:\n");
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}
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for (i = 3; i < AST_VECTOR_SIZE(strings) - 2; i++) {
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astmm_log("#%d: %s\n", i - 3, AST_VECTOR_GET(strings, i));
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if (a) {
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ast_cli(a->fd, "#%d: %s\n", i - 3, AST_VECTOR_GET(strings, i));
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} else {
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astmm_log("#%d: %s\n", i - 3, AST_VECTOR_GET(strings, i));
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}
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}
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ast_bt_free_symbols(strings);
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}
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@ -314,7 +322,7 @@ static void region_data_check(struct ast_region *reg)
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if (*pos != FREED_MAGIC) {
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astmm_log("WARNING: Memory corrupted after free of %p allocated at %s %s() line %d\n",
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reg->data, reg->file, reg->func, reg->lineno);
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print_backtrace(reg->bt);
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print_backtrace(reg->bt, NULL);
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my_do_crash();
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break;
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}
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@ -434,14 +442,14 @@ static void region_check_fences(struct ast_region *reg)
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if (*fence != FENCE_MAGIC) {
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astmm_log("WARNING: Low fence violation of %p allocated at %s %s() line %d\n",
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reg->data, reg->file, reg->func, reg->lineno);
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print_backtrace(reg->bt);
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print_backtrace(reg->bt, NULL);
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my_do_crash();
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}
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fence = (unsigned int *) (reg->data + reg->len);
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if (get_unaligned_uint32(fence) != FENCE_MAGIC) {
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astmm_log("WARNING: High fence violation of %p allocated at %s %s() line %d\n",
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reg->data, reg->file, reg->func, reg->lineno);
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print_backtrace(reg->bt);
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print_backtrace(reg->bt, NULL);
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my_do_crash();
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}
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}
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@ -880,6 +888,9 @@ static char *handle_memory_show_allocations(struct ast_cli_entry *e, int cmd, st
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ast_cli(a->fd, "%10u bytes allocated%s by %20s() line %5u of %s\n",
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(unsigned int) reg->len, reg->cache ? " (cache)" : "",
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reg->func, reg->lineno, reg->file);
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if (reg->bt && !ast_strlen_zero(fn)) {
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print_backtrace(reg->bt, a);
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}
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selected_len += reg->len;
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if (reg->cache) {
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