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sandbox: extra page stats output

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This commit is contained in:
max 🍓
2023-01-29 20:10:35 +00:00
parent c0c930e5a9
commit 077237c4cf
1 changed files with 41 additions and 0 deletions
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41
sandbox/base/memory_test.c
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@@ -1,3 +1,4 @@
#include <stdint.h>
#include <stdio.h>
#include <stddef.h>
#include <stdlib.h>
@@ -41,6 +42,37 @@ static struct mem_map_region mem_map[] = {
/* virtual address of where system memory is mapped */
static void *system_memory = NULL;
static void print_zone_pages(vm_zone_t *z)
{
for (int i = VM_PAGE_MIN_ORDER; i <= VM_PAGE_MAX_ORDER; i++) {
queue_foreach (vm_page_t, pg, &z->z_free_pages[i], p_free_list) {
printf(" * %08zx (%s, order %u, 0x%zx bytes)\n",
vm_page_get_paddr(pg),
z->z_info.zd_name,
pg->p_order,
vm_page_order_to_bytes(pg->p_order));
}
}
}
static void print_all_pages(void)
{
for (phys_addr_t i = 0; i < UINTPTR_MAX; ) {
vm_page_t *pg = vm_page_get(i);
if (!pg) {
break;
}
printf(" * %08" PRIxPTR ": %s order-%u (%zu bytes) %s\n",
i,
pg->p_zone ? pg->p_zone->z_info.zd_name : "[none]",
pg->p_order,
vm_page_order_to_bytes(pg->p_order),
pg->p_flags & VM_PAGE_RESERVED ? "reserved" : "free");
i += vm_page_order_to_bytes(pg->p_order);
}
}
int memory_test(void)
{
srand(time(NULL));
@@ -127,6 +159,15 @@ int memory_test(void)
it.it_limit);
}
vm_pg_data_t *pg_data = vm_pg_data_get(0);
printf("free pages:\n");
for (int i = VM_ZONE_MIN; i <= VM_ZONE_MAX; i++) {
print_zone_pages(&pg_data->pg_zones[i]);
}
printf("all pages:\n");
print_all_pages();
munmap(system_memory, MB_TO_BYTES(MEMORY_SIZE_MB));
return 0;
}