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nicer debug output

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daanx 2024-12-12 20:22:24 -08:00
parent b53ac835f1
commit e43eb1f191
3 changed files with 15 additions and 12 deletions
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2
include/mimalloc.h
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@ -276,7 +276,7 @@ mi_decl_export int mi_reserve_huge_os_pages_at(size_t pages, int numa_node, size
mi_decl_export int mi_reserve_os_memory(size_t size, bool commit, bool allow_large) mi_attr_noexcept;
mi_decl_export bool mi_manage_os_memory(void* start, size_t size, bool is_committed, bool is_large, bool is_zero, int numa_node) mi_attr_noexcept;
mi_decl_export void mi_debug_show_arenas(bool show_inuse, bool show_abandoned, bool show_purge) mi_attr_noexcept;
mi_decl_export void mi_debug_show_arenas(bool show_inuse, bool show_committed, bool show_pages) mi_attr_noexcept;
// Experimental: heaps associated with specific memory arena's
typedef int mi_arena_id_t;

23
src/arena.c
View file

@ -1212,7 +1212,7 @@ static size_t mi_debug_show_page_bfield(mi_bfield_t field, char* buf, mi_arena_t
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;
bit_of_page = (long)page->memid.mem.arena.slice_count;
buf[bit] = c;
}
else {
@ -1265,13 +1265,12 @@ static size_t mi_debug_show_bitmap(const char* header, size_t slice_count, mi_bi
return bit_set_count;
}
void mi_debug_show_arenas(bool show_inuse, bool show_abandoned, bool show_purge) mi_attr_noexcept {
MI_UNUSED(show_abandoned);
void mi_debug_show_arenas(bool show_inuse, bool show_committed, bool show_pages) mi_attr_noexcept {
size_t max_arenas = mi_arena_get_count();
size_t free_total = 0;
size_t slice_total = 0;
//size_t abandoned_total = 0;
size_t purge_total = 0;
size_t page_total = 0;
for (size_t i = 0; i < max_arenas; i++) {
mi_arena_t* arena = mi_atomic_load_ptr_acquire(mi_arena_t, &mi_arenas[i]);
if (arena == NULL) break;
@ -1280,16 +1279,20 @@ void mi_debug_show_arenas(bool show_inuse, bool show_abandoned, bool show_purge)
if (show_inuse) {
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, NULL);
// todo: abandoned slices
if (show_purge) {
purge_total += mi_debug_show_bitmap("purgeable slices", arena->slice_count, arena->slices_purge, false, NULL);
if (show_committed) {
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, NULL);
//}
if (show_pages) {
page_total += mi_debug_show_bitmap("pages (p=page, a=abandoned, f=full-abandoned, i=info, m=meta)", arena->slice_count, arena->pages, false, arena);
}
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);
if (show_purge) _mi_output_message("total purgeable slices: %zu\n", purge_total);
if (show_pages) _mi_output_message("total pages in areanas: %zu\n", page_total);
}

2
src/bitmap.c
View file

@ -1220,7 +1220,7 @@ mi_decl_nodiscard bool mi_bitmap_try_find_and_clearN_(mi_bitmap_t* bitmap, size_
typedef struct mi_claim_fun_data_s {
mi_arena_t* arena;
mi_subproc_t* subproc;
int heap_tag;
mi_heaptag_t heap_tag;
} mi_claim_fun_data_t;
static bool mi_bitmap_try_find_and_claim_visit(mi_bitmap_t* bitmap, size_t chunk_idx, size_t n, size_t* pidx, void* arg1, void* arg2)