feat(malloc_builtin): add extended memory pool monitoring (#3882)

Signed-off-by: pengyiqiang <pengyiqiang@xiaomi.com>
Co-authored-by: pengyiqiang <pengyiqiang@xiaomi.com>

src/misc/lv_malloc_builtin.c

@@ -11,6 +11,7 @@
 #include "lv_tlsf.h"
 #include "lv_assert.h"
 #include "lv_log.h"
+#include "lv_ll.h"
 #include "lv_math.h"
 
 #ifdef LV_MEM_POOL_INCLUDE
@@ -48,6 +49,7 @@ static void lv_mem_walker(void * ptr, size_t size, int used, void * user);
 static lv_tlsf_t tlsf;
 static uint32_t cur_used;
 static uint32_t max_used;
+static lv_ll_t pool_ll;
 
 /**********************
  *      MACROS
@@ -82,6 +84,12 @@ void lv_mem_init_builtin(void)
 #else
     tlsf = lv_tlsf_create_with_pool((void *)LV_MEM_ADR, LV_MEM_SIZE);
 #endif
+    _lv_ll_init(&pool_ll, sizeof(lv_pool_t));
+
+    /*Record the first pool*/
+    lv_pool_t * pool_p = _lv_ll_ins_tail(&pool_ll);
+    LV_ASSERT_MALLOC(pool_p);
+    *pool_p = lv_tlsf_get_pool(tlsf);
 
 #if LV_MEM_ADD_JUNK
     LV_LOG_WARN("LV_MEM_ADD_JUNK is enabled which makes LVGL much slower");
@@ -90,18 +98,38 @@ void lv_mem_init_builtin(void)
 
 void lv_mem_deinit_builtin(void)
 {
+    _lv_ll_clear(&pool_ll);
     lv_tlsf_destroy(tlsf);
     lv_mem_init_builtin();
 }
 
-lv_mem_builtin_pool_t * lv_mem_builtin_add_pool(void * mem, size_t bytes)
+lv_mem_builtin_pool_t lv_mem_builtin_add_pool(void * mem, size_t bytes)
 {
-    return lv_tlsf_add_pool(tlsf, mem, bytes);
+    lv_mem_builtin_pool_t new_pool = lv_tlsf_add_pool(tlsf, mem, bytes);
+    if(!new_pool) {
+        LV_LOG_WARN("failed to add memory pool, address: %p, size: %zu", mem, bytes);
+        return NULL;
+    }
+
+    lv_pool_t * pool_p = _lv_ll_ins_tail(&pool_ll);
+    LV_ASSERT_MALLOC(pool_p);
+    *pool_p = new_pool;
+
+    return new_pool;
 }
 
-void lv_mem_builtin_remove_pool(lv_mem_builtin_pool_t * pool)
+void lv_mem_builtin_remove_pool(lv_mem_builtin_pool_t pool)
 {
-    lv_tlsf_remove_pool(tlsf, pool);
+    lv_pool_t * pool_p;
+    _LV_LL_READ(&pool_ll, pool_p) {
+        if(*pool_p == pool) {
+            _lv_ll_remove(&pool_ll, pool_p);
+            lv_free(pool_p);
+            lv_tlsf_remove_pool(tlsf, pool);
+            return;
+        }
+    }
+    LV_LOG_WARN("invalid pool: %p", pool);
 }
 
 void lv_mem_monitor_builtin(lv_mem_monitor_t * mon_p)
@@ -110,9 +138,11 @@ void lv_mem_monitor_builtin(lv_mem_monitor_t * mon_p)
     lv_memset(mon_p, 0, sizeof(lv_mem_monitor_t));
     MEM_TRACE("begin");
 
-    lv_tlsf_walk_pool(lv_tlsf_get_pool(tlsf), lv_mem_walker, mon_p);
+    lv_pool_t * pool_p;
+    _LV_LL_READ(&pool_ll, pool_p) {
+        lv_tlsf_walk_pool(*pool_p, lv_mem_walker, mon_p);
+    }
 
-    mon_p->total_size = LV_MEM_SIZE;
     mon_p->used_pct = 100 - (100U * mon_p->free_size) / mon_p->total_size;
     if(mon_p->free_size > 0) {
         mon_p->frag_pct = mon_p->free_biggest_size * 100U / mon_p->free_size;
@@ -156,9 +186,12 @@ lv_res_t lv_mem_test_builtin(void)
         return LV_RES_INV;
     }
 
-    if(lv_tlsf_check_pool(lv_tlsf_get_pool(tlsf))) {
-        LV_LOG_WARN("pool failed");
-        return LV_RES_INV;
+    lv_pool_t * pool_p;
+    _LV_LL_READ(&pool_ll, pool_p) {
+        if(lv_tlsf_check_pool(*pool_p)) {
+            LV_LOG_WARN("pool failed");
+            return LV_RES_INV;
+        }
     }
 
     MEM_TRACE("passed");
@@ -174,6 +207,7 @@ static void lv_mem_walker(void * ptr, size_t size, int used, void * user)
     LV_UNUSED(ptr);
 
     lv_mem_monitor_t * mon_p = user;
+    mon_p->total_size += size;
     if(used) {
         mon_p->used_cnt++;
     }

src/misc/lv_malloc_builtin.h

@@ -46,13 +46,13 @@ void lv_mem_deinit_builtin(void);
  * @param bytes memory block size
  * @return pointer to lv_mem_builtin_pool handle
  */
-lv_mem_builtin_pool_t * lv_mem_builtin_add_pool(void * mem, size_t bytes);
+lv_mem_builtin_pool_t lv_mem_builtin_add_pool(void * mem, size_t bytes);
 
 /**
  * Remove the memory pool.
  * @param lv_mem_builtin_pool_t pointer to lv_mem_builtin_pool handle
  */
-void lv_mem_builtin_remove_pool(lv_mem_builtin_pool_t * pool);
+void lv_mem_builtin_remove_pool(lv_mem_builtin_pool_t pool);
 
 void * lv_malloc_builtin(size_t size);
 void * lv_realloc_builtin(void * p, size_t new_size);