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Merge "astmm.c: Display backtrace with memory show allocations" into 16

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This commit is contained in:
George Joseph
2019-09-24 08:28:19 -05:00
committed by Gerrit Code Review
parent bd440fcaa5 9c5a8066a6
commit b41e1e8928
1 changed files with 17 additions and 6 deletions
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23
main/astmm.c
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@@ -188,7 +188,7 @@ AST_MUTEX_DEFINE_STATIC_NOTRACKING(reglock);
} \ } \
} while (0) } while (0)
static void print_backtrace(struct ast_bt *bt) static void print_backtrace(struct ast_bt *bt, struct ast_cli_args *a)
{ {
int i = 0; int i = 0;
struct ast_vector_string *strings; struct ast_vector_string *strings;
@@ -198,9 +198,17 @@ static void print_backtrace(struct ast_bt *bt)
} }
if ((strings = ast_bt_get_symbols(bt->addresses, bt->num_frames))) { if ((strings = ast_bt_get_symbols(bt->addresses, bt->num_frames))) {
astmm_log("Memory allocation backtrace:\n"); if (a) {
ast_cli(a->fd, "Memory allocation backtrace:\n");
} else {
astmm_log("Memory allocation backtrace:\n");
}
for (i = 3; i < AST_VECTOR_SIZE(strings) - 2; i++) { for (i = 3; i < AST_VECTOR_SIZE(strings) - 2; i++) {
astmm_log("#%d: %s\n", i - 3, AST_VECTOR_GET(strings, i)); if (a) {
ast_cli(a->fd, "#%d: %s\n", i - 3, AST_VECTOR_GET(strings, i));
} else {
astmm_log("#%d: %s\n", i - 3, AST_VECTOR_GET(strings, i));
}
} }
ast_bt_free_symbols(strings); ast_bt_free_symbols(strings);
} }
@@ -314,7 +322,7 @@ static void region_data_check(struct ast_region *reg)
if (*pos != FREED_MAGIC) { if (*pos != FREED_MAGIC) {
astmm_log("WARNING: Memory corrupted after free of %p allocated at %s %s() line %d\n", astmm_log("WARNING: Memory corrupted after free of %p allocated at %s %s() line %d\n",
reg->data, reg->file, reg->func, reg->lineno); reg->data, reg->file, reg->func, reg->lineno);
print_backtrace(reg->bt); print_backtrace(reg->bt, NULL);
my_do_crash(); my_do_crash();
break; break;
} }
@@ -434,14 +442,14 @@ static void region_check_fences(struct ast_region *reg)
if (*fence != FENCE_MAGIC) { if (*fence != FENCE_MAGIC) {
astmm_log("WARNING: Low fence violation of %p allocated at %s %s() line %d\n", astmm_log("WARNING: Low fence violation of %p allocated at %s %s() line %d\n",
reg->data, reg->file, reg->func, reg->lineno); reg->data, reg->file, reg->func, reg->lineno);
print_backtrace(reg->bt); print_backtrace(reg->bt, NULL);
my_do_crash(); my_do_crash();
} }
fence = (unsigned int *) (reg->data + reg->len); fence = (unsigned int *) (reg->data + reg->len);
if (get_unaligned_uint32(fence) != FENCE_MAGIC) { if (get_unaligned_uint32(fence) != FENCE_MAGIC) {
astmm_log("WARNING: High fence violation of %p allocated at %s %s() line %d\n", astmm_log("WARNING: High fence violation of %p allocated at %s %s() line %d\n",
reg->data, reg->file, reg->func, reg->lineno); reg->data, reg->file, reg->func, reg->lineno);
print_backtrace(reg->bt); print_backtrace(reg->bt, NULL);
my_do_crash(); my_do_crash();
} }
} }
@@ -880,6 +888,9 @@ static char *handle_memory_show_allocations(struct ast_cli_entry *e, int cmd, st
ast_cli(a->fd, "%10u bytes allocated%s by %20s() line %5u of %s\n", ast_cli(a->fd, "%10u bytes allocated%s by %20s() line %5u of %s\n",
(unsigned int) reg->len, reg->cache ? " (cache)" : "", (unsigned int) reg->len, reg->cache ? " (cache)" : "",
reg->func, reg->lineno, reg->file); reg->func, reg->lineno, reg->file);
if (reg->bt && !ast_strlen_zero(fn)) {
print_backtrace(reg->bt, a);
}
selected_len += reg->len; selected_len += reg->len;
if (reg->cache) { if (reg->cache) {