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add debug output for page map; free tld on thread exit

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daanx 2024-12-12 19:59:54 -08:00
parent 637de624b3
commit 623eaedf33
5 changed files with 55 additions and 18 deletions
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45
src/arena.c
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@ -162,6 +162,8 @@ void* mi_arena_area(mi_arena_id_t arena_id, size_t* size) {
static mi_memid_t mi_memid_create_arena(mi_arena_t* arena, size_t slice_index, size_t slice_count) {
mi_assert_internal(slice_index < UINT32_MAX);
mi_assert_internal(slice_count < UINT32_MAX);
mi_assert_internal(slice_count > 0);
mi_assert_internal(slice_index < arena->slice_count);
mi_memid_t memid = _mi_memid_create(MI_MEM_ARENA);
memid.mem.arena.arena = arena;
memid.mem.arena.slice_index = (uint32_t)slice_index;
@ -663,7 +665,8 @@ static mi_page_t* mi_arena_page_alloc_fresh(size_t slice_count, size_t block_siz
page->reserved = (uint16_t)reserved;
page->page_start = (uint8_t*)page + block_start;
page->block_size = block_size;
page->memid = memid;
page->memid = memid;
mi_assert_internal(memid.mem.arena.slice_count > 0);
page->free_is_zero = memid.initially_zero;
if (block_size > 0 && _mi_is_power_of_two(block_size)) {
page->block_size_shift = (uint8_t)mi_ctz(block_size);
@ -1197,7 +1200,33 @@ static size_t mi_debug_show_bfield(mi_bfield_t field, char* buf) {
return bit_set_count;
}
static size_t mi_debug_show_bitmap(const char* header, size_t slice_count, mi_bitmap_t* bitmap, bool invert) {
static size_t mi_debug_show_page_bfield(mi_bfield_t field, char* buf, mi_arena_t* arena, size_t slice_index) {
size_t bit_set_count = 0;
long bit_of_page = 0;
for (int bit = 0; bit < MI_BFIELD_BITS; bit++, bit_of_page--) {
bool is_set = ((((mi_bfield_t)1 << bit) & field) != 0);
void* start = mi_arena_slice_start(arena, slice_index + bit);
if (is_set) {
bit_set_count++;
mi_page_t* page = (mi_page_t*)start;
char c = 'p';
if (mi_page_is_abandoned_mapped(page)) { c = 'a'; }
else if (mi_page_is_abandoned(page)) { c = 'f'; }
bit_of_page = (long)page->memid.mem.arena.slice_count - 1;
buf[bit] = c;
}
else {
char c = '.';
if (bit_of_page > 0) { c = '-'; }
else if (_mi_meta_is_meta_page(start)) { c = 'm'; }
else if (slice_index + bit < arena->info_slices) { c = 'i'; }
buf[bit] = c;
}
}
return bit_set_count;
}
static size_t mi_debug_show_bitmap(const char* header, size_t slice_count, mi_bitmap_t* bitmap, bool invert, mi_arena_t* arena) {
_mi_output_message("%s:\n", header);
size_t bit_count = 0;
size_t bit_set_count = 0;
@ -1217,7 +1246,8 @@ static size_t mi_debug_show_bitmap(const char* header, size_t slice_count, mi_bi
if (bit_count < slice_count) {
mi_bfield_t bfield = chunk->bfields[j];
if (invert) bfield = ~bfield;
size_t xcount = mi_debug_show_bfield(bfield, buf + k);
size_t xcount = (arena!=NULL ? mi_debug_show_page_bfield(bfield, buf + k, arena, bit_count)
: mi_debug_show_bfield(bfield, buf + k));
if (invert) xcount = MI_BFIELD_BITS - xcount;
bit_set_count += xcount;
k += MI_BFIELD_BITS;
@ -1246,15 +1276,16 @@ void mi_debug_show_arenas(bool show_inuse, bool show_abandoned, bool show_purge)
mi_arena_t* arena = mi_atomic_load_ptr_acquire(mi_arena_t, &mi_arenas[i]);
if (arena == NULL) break;
slice_total += arena->slice_count;
_mi_output_message("arena %zu: %zu slices (%zu MiB)%s\n", i, arena->slice_count, mi_size_of_slices(arena->slice_count)/MI_MiB, (arena->memid.is_pinned ? ", pinned" : ""));
_mi_output_message("arena %zu at %p: %zu slices (%zu MiB)%s\n", i, arena, arena->slice_count, mi_size_of_slices(arena->slice_count)/MI_MiB, (arena->memid.is_pinned ? ", pinned" : ""));
if (show_inuse) {
free_total += mi_debug_show_bitmap("in-use slices", arena->slice_count, arena->slices_free, true);
free_total += mi_debug_show_bitmap("in-use slices", arena->slice_count, arena->slices_free, true, NULL);
}
mi_debug_show_bitmap("committed slices", arena->slice_count, arena->slices_committed, false);
mi_debug_show_bitmap("committed slices", arena->slice_count, arena->slices_committed, false, NULL);
// todo: abandoned slices
if (show_purge) {
purge_total += mi_debug_show_bitmap("purgeable slices", arena->slice_count, arena->slices_purge, false);
purge_total += mi_debug_show_bitmap("purgeable slices", arena->slice_count, arena->slices_purge, false, NULL);
}
mi_debug_show_bitmap("pages (p=page, a=abandoned, f=full-abandoned, i=info, m=meta)", arena->slice_count, arena->pages, false, arena);
}
if (show_inuse) _mi_output_message("total inuse slices : %zu\n", slice_total - free_total);
// if (show_abandoned) _mi_verbose_message("total abandoned slices: %zu\n", abandoned_total);