mirrors/foot
1
0
Fork 0
mirror of https://codeberg.org/dnkl/foot.git synced 2026-03-30 11:10:23 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

shm: #ifdef conditional code to measure total size of SHM allocations

Browse source
This commit is contained in:
Daniel Eklöf 2020-04-18 12:24:40 +02:00
parent 02edee78b2
commit 4f145bed33
No known key found for this signature in database
GPG key ID: 5BBD4992C116573F
1 changed files with 20 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

20
shm.c
View file

@ -53,6 +53,11 @@ static tll(struct buffer) buffers;
static bool can_punch_hole = false; static bool can_punch_hole = false;
static bool can_punch_hole_initialized = false; static bool can_punch_hole_initialized = false;
#undef MEASURE_SHM_ALLOCS
#if defined(MEASURE_SHM_ALLOCS)
static size_t max_alloced = 0;
#endif
void void
shm_set_max_pool_size(off_t _max_pool_size) shm_set_max_pool_size(off_t _max_pool_size)
{ {
@ -95,6 +100,10 @@ shm_fini(void)
buffer_destroy(&it->item); buffer_destroy(&it->item);
tll_remove(buffers, it); tll_remove(buffers, it);
} }
#if defined(MEASURE_SHM_ALLOCS) && MEASURE_SHM_ALLOCS
LOG_INFO("max total allocations was: %zu MB", max_alloced / 1024 / 1024);
#endif
} }
static void static void
@ -336,6 +345,17 @@ shm_get_buffer(struct wl_shm *shm, int width, int height, unsigned long cookie,
struct buffer *ret = &tll_back(buffers); struct buffer *ret = &tll_back(buffers);
if (!instantiate_offset(shm, ret, initial_offset)) if (!instantiate_offset(shm, ret, initial_offset))
goto err; goto err;
#if defined(MEASURE_SHM_ALLOCS) && MEASURE_SHM_ALLOCS
{
size_t currently_alloced = 0;
tll_foreach(buffers, it)
currently_alloced += it->item.size;
if (currently_alloced > max_alloced)
max_alloced = currently_alloced;
}
#endif
return ret; return ret;
err: err: