c/mirror_zfs
1
0
Fork 0
mirror of https://git.proxmox.com/git/mirror_zfs.git synced 2026-05-22 18:40:43 +03:00
Code Issues Packages Projects Releases Wiki Activity

Fix KMEM_DEBUG support (enable by default)

Browse Source 
Add vmem_alloc/vmem_free support (and test case)
Add missing time functions



git-svn-id: https://outreach.scidac.gov/svn/spl/trunk@46 7e1ea52c-4ff2-0310-8f11-9dd32ca42a1c
This commit is contained in:
behlendo
2008-03-14 19:04:41 +00:00
parent af828292e5
commit 79b31f3601
7 changed files with 146 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files
modules/splat/splat-kmem.c
+43 -2
View File
@@ -20,7 +20,13 @@
#define SPLAT_KMEM_TEST4_NAME "slab_reap"
#define SPLAT_KMEM_TEST4_DESC "Slab reaping test"
#define SPLAT_KMEM_TEST5_ID 0x0105
#define SPLAT_KMEM_TEST5_NAME "vmem_alloc"
#define SPLAT_KMEM_TEST5_DESC "Memory allocation test (vmem_alloc)"
#define SPLAT_KMEM_ALLOC_COUNT 10
#define SPLAT_VMEM_ALLOC_COUNT 10
/* XXX - This test may fail under tight memory conditions */
static int
splat_kmem_test1(struct file *file, void *arg)
@@ -29,7 +35,7 @@ splat_kmem_test1(struct file *file, void *arg)
int size = PAGE_SIZE;
int i, count, rc = 0;
while ((!rc) && (size < (PAGE_SIZE * 16))) {
while ((!rc) && (size <= (PAGE_SIZE * 32))) {
count = 0;
for (i = 0; i < SPLAT_KMEM_ALLOC_COUNT; i++) {
@@ -61,7 +67,7 @@ splat_kmem_test2(struct file *file, void *arg)
int size = PAGE_SIZE;
int i, j, count, rc = 0;
while ((!rc) && (size < (PAGE_SIZE * 16))) {
while ((!rc) && (size <= (PAGE_SIZE * 32))) {
count = 0;
for (i = 0; i < SPLAT_KMEM_ALLOC_COUNT; i++) {
@@ -317,6 +323,38 @@ splat_kmem_test4(struct file *file, void *arg)
return rc;
}
static int
splat_kmem_test5(struct file *file, void *arg)
{
void *ptr[SPLAT_VMEM_ALLOC_COUNT];
int size = PAGE_SIZE;
int i, count, rc = 0;
while ((!rc) && (size <= (PAGE_SIZE * 1024))) {
count = 0;
for (i = 0; i < SPLAT_VMEM_ALLOC_COUNT; i++) {
ptr[i] = vmem_alloc(size, KM_SLEEP);
if (ptr[i])
count++;
}
for (i = 0; i < SPLAT_VMEM_ALLOC_COUNT; i++)
if (ptr[i])
vmem_free(ptr[i], size);
splat_vprint(file, SPLAT_KMEM_TEST5_NAME,
"%d byte allocations, %d/%d successful\n",
size, count, SPLAT_VMEM_ALLOC_COUNT);
if (count != SPLAT_VMEM_ALLOC_COUNT)
rc = -ENOMEM;
size *= 2;
}
return rc;
}
splat_subsystem_t *
splat_kmem_init(void)
{
@@ -342,6 +380,8 @@ splat_kmem_init(void)
SPLAT_KMEM_TEST3_ID, splat_kmem_test3);
SPLAT_TEST_INIT(sub, SPLAT_KMEM_TEST4_NAME, SPLAT_KMEM_TEST4_DESC,
SPLAT_KMEM_TEST4_ID, splat_kmem_test4);
SPLAT_TEST_INIT(sub, SPLAT_KMEM_TEST5_NAME, SPLAT_KMEM_TEST5_DESC,
SPLAT_KMEM_TEST5_ID, splat_kmem_test5);
return sub;
}
@@ -350,6 +390,7 @@ void
splat_kmem_fini(splat_subsystem_t *sub)
{
ASSERT(sub);
SPLAT_TEST_FINI(sub, SPLAT_KMEM_TEST5_ID);
SPLAT_TEST_FINI(sub, SPLAT_KMEM_TEST4_ID);
SPLAT_TEST_FINI(sub, SPLAT_KMEM_TEST3_ID);
SPLAT_TEST_FINI(sub, SPLAT_KMEM_TEST2_ID);