zephyr/samples/basic/sys_heap/src/main.c
Florian La Roche 88a3620ff9 samples/basic: print_sys_memory_stats() removed from hash_map, static
Remove print_sys_memory_stats() from hash_map example as it is not used
there at all. For sys_heap make this a static function.

Signed-off-by: Florian La Roche <Florian.LaRoche@gmail.com>
2023-08-22 19:12:59 -04:00

47 lines
883 B
C

/*
* Copyright (c) 2022 Jeppe Odgaard
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/kernel.h>
#include <zephyr/sys/sys_heap.h>
#define HEAP_SIZE 256
static char heap_mem[HEAP_SIZE];
static struct sys_heap heap;
static void print_sys_memory_stats(void);
int main(void)
{
void *p;
printk("System heap sample\n\n");
sys_heap_init(&heap, heap_mem, HEAP_SIZE);
print_sys_memory_stats();
p = sys_heap_alloc(&heap, 150);
print_sys_memory_stats();
p = sys_heap_realloc(&heap, p, 100);
print_sys_memory_stats();
sys_heap_free(&heap, p);
print_sys_memory_stats();
return 0;
}
static void print_sys_memory_stats(void)
{
struct sys_memory_stats stats;
sys_heap_runtime_stats_get(&heap, &stats);
printk("allocated %zu, free %zu, max allocated %zu, heap size %u\n",
stats.allocated_bytes, stats.free_bytes,
stats.max_allocated_bytes, HEAP_SIZE);
}