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-rw-r--r--libglusterfs/src/Makefile.am11
-rw-r--r--libglusterfs/src/client_t.c17
-rw-r--r--libglusterfs/src/client_t.h17
-rw-r--r--libglusterfs/src/mem-pool.c101
-rw-r--r--libglusterfs/src/mem-pool.h30
-rw-r--r--libglusterfs/src/options.c2
-rw-r--r--libglusterfs/src/statedump.c38
-rw-r--r--libglusterfs/src/unittest/mem_pool_unittest.c107
-rw-r--r--libglusterfs/src/xlator.c42
-rw-r--r--libglusterfs/src/xlator.h2
10 files changed, 193 insertions, 174 deletions
diff --git a/libglusterfs/src/Makefile.am b/libglusterfs/src/Makefile.am
index f9accdf42f1..6f37e37a878 100644
--- a/libglusterfs/src/Makefile.am
+++ b/libglusterfs/src/Makefile.am
@@ -77,15 +77,4 @@ if UNITTEST
CLEANFILES += *.gcda *.gcno *_xunit.xml
noinst_PROGRAMS =
TESTS =
-
-mem_pool_unittest_CPPFLAGS = $(libglusterfs_la_CPPFLAGS)
-mem_pool_unittest_SOURCES = mem-pool.c \
- mem-pool.h \
- unittest/mem_pool_unittest.c \
- unittest/log_mock.c \
- unittest/global_mock.c
-mem_pool_unittest_CFLAGS = $(UNITTEST_CFLAGS)
-mem_pool_unittest_LDFLAGS = $(UNITTEST_LDFLAGS)
-noinst_PROGRAMS += mem_pool_unittest
-TESTS += mem_pool_unittest
endif
diff --git a/libglusterfs/src/client_t.c b/libglusterfs/src/client_t.c
index 5b0fd87a9c1..84257e66b09 100644
--- a/libglusterfs/src/client_t.c
+++ b/libglusterfs/src/client_t.c
@@ -155,23 +155,6 @@ gf_client_clienttable_destroy (clienttable_t *clienttable)
/*
- * a more comprehensive feature test is shown at
- * http://lists.iptel.org/pipermail/semsdev/2010-October/005075.html
- * this is sufficient for RHEL5 i386 builds
- */
-#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1)) && !defined(__i386__)
-# define INCREMENT_ATOMIC(lk,op) __sync_add_and_fetch(&op, 1)
-# define DECREMENT_ATOMIC(lk,op) __sync_sub_and_fetch(&op, 1)
-#else
-/* These are only here for old gcc, e.g. on RHEL5 i386.
- * We're not ever going to use this in an if stmt,
- * but let's be pedantically correct for style points */
-# define INCREMENT_ATOMIC(lk,op) do { LOCK (&lk); ++op; UNLOCK (&lk); } while (0)
-/* this is a gcc 'statement expression', it works with llvm/clang too */
-# define DECREMENT_ATOMIC(lk,op) ({ LOCK (&lk); --op; UNLOCK (&lk); op; })
-#endif
-
-/*
* Increments ref.bind if the client is already present or creates a new
* client with ref.bind = 1,ref.count = 1 it signifies that
* as long as ref.bind is > 0 client should be alive.
diff --git a/libglusterfs/src/client_t.h b/libglusterfs/src/client_t.h
index 2accf0c6fc2..f6d161e930d 100644
--- a/libglusterfs/src/client_t.h
+++ b/libglusterfs/src/client_t.h
@@ -78,6 +78,23 @@ typedef struct clienttable clienttable_t;
struct rpcsvc_auth_data;
+/*
+ * a more comprehensive feature test is shown at
+ * http://lists.iptel.org/pipermail/semsdev/2010-October/005075.html
+ * this is sufficient for RHEL5 i386 builds
+ */
+#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1)) && !defined(__i386__)
+# define INCREMENT_ATOMIC(lk, op) __sync_add_and_fetch(&op, 1)
+# define DECREMENT_ATOMIC(lk, op) __sync_sub_and_fetch(&op, 1)
+#else
+/* These are only here for old gcc, e.g. on RHEL5 i386.
+ * We're not ever going to use this in an if stmt,
+ * but let's be pedantically correct for style points */
+# define INCREMENT_ATOMIC(lk, op) do { LOCK (&lk); ++op; UNLOCK (&lk); } while (0)
+/* this is a gcc 'statement expression', it works with llvm/clang too */
+# define DECREMENT_ATOMIC(lk, op) ({ LOCK (&lk); --op; UNLOCK (&lk); op; })
+#endif
+
client_t *
gf_client_get (xlator_t *this, struct rpcsvc_auth_data *cred, char *client_uid);
diff --git a/libglusterfs/src/mem-pool.c b/libglusterfs/src/mem-pool.c
index 0f9d792c0f1..7d95364c4b2 100644
--- a/libglusterfs/src/mem-pool.c
+++ b/libglusterfs/src/mem-pool.c
@@ -59,30 +59,32 @@ gf_mem_set_acct_info (xlator_t *xl, char **alloc_ptr, size_t size,
GF_ASSERT (xl != NULL);
- GF_ASSERT (xl->mem_acct.rec != NULL);
+ GF_ASSERT (xl->mem_acct != NULL);
- GF_ASSERT (type <= xl->mem_acct.num_types);
+ GF_ASSERT (type <= xl->mem_acct->num_types);
- LOCK(&xl->mem_acct.rec[type].lock);
+ LOCK(&xl->mem_acct->rec[type].lock);
{
- if (!xl->mem_acct.rec[type].typestr)
- xl->mem_acct.rec[type].typestr = typestr;
- xl->mem_acct.rec[type].size += size;
- xl->mem_acct.rec[type].num_allocs++;
- xl->mem_acct.rec[type].total_allocs++;
- xl->mem_acct.rec[type].max_size =
- max (xl->mem_acct.rec[type].max_size,
- xl->mem_acct.rec[type].size);
- xl->mem_acct.rec[type].max_num_allocs =
- max (xl->mem_acct.rec[type].max_num_allocs,
- xl->mem_acct.rec[type].num_allocs);
+ if (!xl->mem_acct->rec[type].typestr)
+ xl->mem_acct->rec[type].typestr = typestr;
+ xl->mem_acct->rec[type].size += size;
+ xl->mem_acct->rec[type].num_allocs++;
+ xl->mem_acct->rec[type].total_allocs++;
+ xl->mem_acct->rec[type].max_size =
+ max (xl->mem_acct->rec[type].max_size,
+ xl->mem_acct->rec[type].size);
+ xl->mem_acct->rec[type].max_num_allocs =
+ max (xl->mem_acct->rec[type].max_num_allocs,
+ xl->mem_acct->rec[type].num_allocs);
}
- UNLOCK(&xl->mem_acct.rec[type].lock);
+ UNLOCK(&xl->mem_acct->rec[type].lock);
+
+ INCREMENT_ATOMIC (xl->mem_acct->lock, xl->mem_acct->refcnt);
header = (struct mem_header *) ptr;
header->type = type;
header->size = size;
- header->xlator = xl;
+ header->mem_acct = xl->mem_acct;
header->magic = GF_MEM_HEADER_MAGIC;
ptr += sizeof (struct mem_header);
@@ -149,27 +151,23 @@ __gf_malloc (size_t size, uint32_t type, const char *typestr)
void *
__gf_realloc (void *ptr, size_t size)
{
- uint32_t type = 0;
size_t tot_size = 0;
- xlator_t *xl = NULL;
char *new_ptr;
- struct mem_header *header = NULL;
+ struct mem_header *old_header = NULL;
+ struct mem_header *new_header = NULL;
+ struct mem_header tmp_header;
if (!THIS->ctx->mem_acct_enable)
return REALLOC (ptr, size);
REQUIRE(NULL != ptr);
- tot_size = size + GF_MEM_HEADER_SIZE + GF_MEM_TRAILER_SIZE;
-
- header = (struct mem_header *) (ptr - GF_MEM_HEADER_SIZE);
-
- GF_ASSERT (header->magic == GF_MEM_HEADER_MAGIC);
+ old_header = (struct mem_header *) (ptr - GF_MEM_HEADER_SIZE);
+ GF_ASSERT (old_header->magic == GF_MEM_HEADER_MAGIC);
+ tmp_header = *old_header;
- xl = (xlator_t *) header->xlator;
- type = header->type;
-
- new_ptr = realloc (header, tot_size);
+ tot_size = size + GF_MEM_HEADER_SIZE + GF_MEM_TRAILER_SIZE;
+ new_ptr = realloc (old_header, tot_size);
if (!new_ptr) {
gf_msg_nomem ("", GF_LOG_ALERT, tot_size);
return NULL;
@@ -181,8 +179,25 @@ __gf_realloc (void *ptr, size_t size)
* in ptr, but the compiler warnings complained
* about the casting to and forth from void ** to
* char **.
- */
+ * TBD: it would be nice to adjust the memory accounting info here,
+ * but calling gf_mem_set_acct_info here is wrong because it bumps
+ * up counts as though this is a new allocation - which it's not.
+ * The consequence of doing nothing here is only that the sizes will be
+ * wrong, but at least the counts won't be.
+ uint32_t type = 0;
+ xlator_t *xl = NULL;
+ type = header->type;
+ xl = (xlator_t *) header->xlator;
gf_mem_set_acct_info (xl, &new_ptr, size, type, NULL);
+ */
+
+ new_header = (struct mem_header *) new_ptr;
+ *new_header = tmp_header;
+ new_header->size = size;
+
+ new_ptr += sizeof (struct mem_header);
+ /* data follows in this gap of 'size' bytes */
+ *(uint32_t *) (new_ptr + size) = GF_MEM_TRAILER_MAGIC;
return (void *)new_ptr;
}
@@ -235,7 +250,7 @@ __gf_mem_invalidate (void *ptr)
struct mem_invalid inval = {
.magic = GF_MEM_INVALID_MAGIC,
- .xlator = header->xlator,
+ .mem_acct = header->mem_acct,
.type = header->type,
.size = header->size,
.baseaddr = ptr + GF_MEM_HEADER_SIZE,
@@ -271,7 +286,7 @@ void
__gf_free (void *free_ptr)
{
void *ptr = NULL;
- xlator_t *xl = NULL;
+ struct mem_acct *mem_acct;
struct mem_header *header = NULL;
if (!THIS->ctx->mem_acct_enable) {
@@ -288,11 +303,8 @@ __gf_free (void *free_ptr)
//Possible corruption, assert here
GF_ASSERT (GF_MEM_HEADER_MAGIC == header->magic);
- //gf_free expects xl to be available
- GF_ASSERT (header->xlator != NULL);
- xl = header->xlator;
-
- if (!xl->mem_acct.rec) {
+ mem_acct = header->mem_acct;
+ if (!mem_acct) {
goto free;
}
@@ -300,16 +312,21 @@ __gf_free (void *free_ptr)
GF_ASSERT (GF_MEM_TRAILER_MAGIC ==
*(uint32_t *)((char *)free_ptr + header->size));
- LOCK (&xl->mem_acct.rec[header->type].lock);
+ LOCK (&mem_acct->rec[header->type].lock);
{
- xl->mem_acct.rec[header->type].size -= header->size;
- xl->mem_acct.rec[header->type].num_allocs--;
+ mem_acct->rec[header->type].size -= header->size;
+ mem_acct->rec[header->type].num_allocs--;
/* If all the instaces are freed up then ensure typestr is
* set to NULL */
- if (!xl->mem_acct.rec[header->type].num_allocs)
- xl->mem_acct.rec[header->type].typestr = NULL;
+ if (!mem_acct->rec[header->type].num_allocs)
+ mem_acct->rec[header->type].typestr = NULL;
}
- UNLOCK (&xl->mem_acct.rec[header->type].lock);
+ UNLOCK (&mem_acct->rec[header->type].lock);
+
+ if (DECREMENT_ATOMIC (mem_acct->lock, mem_acct->refcnt) == 0) {
+ FREE (mem_acct);
+ }
+
free:
#ifdef DEBUG
__gf_mem_invalidate (ptr);
diff --git a/libglusterfs/src/mem-pool.h b/libglusterfs/src/mem-pool.h
index 81fb579a0ab..5115cef9f93 100644
--- a/libglusterfs/src/mem-pool.h
+++ b/libglusterfs/src/mem-pool.h
@@ -36,11 +36,6 @@
#define GF_MEM_TRAILER_MAGIC 0xBAADF00D
#define GF_MEM_INVALID_MAGIC 0xDEADC0DE
-struct mem_acct {
- uint32_t num_types;
- struct mem_acct_rec *rec;
-};
-
struct mem_acct_rec {
const char *typestr;
size_t size;
@@ -51,12 +46,25 @@ struct mem_acct_rec {
gf_lock_t lock;
};
+struct mem_acct {
+ uint32_t num_types;
+ /*
+ * The lock is only used on ancient platforms (e.g. RHEL5) to keep
+ * refcnt increment/decrement atomic. We could even make its existence
+ * conditional on the right set of version/feature checks, but it's so
+ * lightweight that it's not worth the obfuscation.
+ */
+ gf_lock_t lock;
+ unsigned int refcnt;
+ struct mem_acct_rec rec[0];
+};
+
struct mem_header {
- uint32_t type;
- size_t size;
- void *xlator;
- uint32_t magic;
- int padding[8];
+ uint32_t type;
+ size_t size;
+ struct mem_acct *mem_acct;
+ uint32_t magic;
+ int padding[8];
};
#define GF_MEM_HEADER_SIZE (sizeof (struct mem_header))
@@ -64,7 +72,7 @@ struct mem_header {
#ifdef DEBUG
struct mem_invalid {
uint32_t magic;
- void *xlator;
+ void *mem_acct;
uint32_t type;
size_t size;
void *baseaddr;
diff --git a/libglusterfs/src/options.c b/libglusterfs/src/options.c
index 44f74a498c5..75dce0ea3b6 100644
--- a/libglusterfs/src/options.c
+++ b/libglusterfs/src/options.c
@@ -1019,7 +1019,7 @@ xlator_validate_rec (xlator_t *xlator, char **op_errstr)
THIS = xlator;
/* Need this here, as this graph has not yet called init() */
- if (!xlator->mem_acct.num_types) {
+ if (!xlator->mem_acct) {
if (!xlator->mem_acct_init)
xlator->mem_acct_init = default_mem_acct_init;
xlator->mem_acct_init (xlator);
diff --git a/libglusterfs/src/statedump.c b/libglusterfs/src/statedump.c
index a13f6a5f4ac..3eebd2106f9 100644
--- a/libglusterfs/src/statedump.c
+++ b/libglusterfs/src/statedump.c
@@ -225,29 +225,29 @@ gf_proc_dump_xlator_mem_info (xlator_t *xl)
if (!xl)
return;
- if (!xl->mem_acct.rec)
+ if (!xl->mem_acct)
return;
gf_proc_dump_add_section ("%s.%s - Memory usage", xl->type, xl->name);
- gf_proc_dump_write ("num_types", "%d", xl->mem_acct.num_types);
+ gf_proc_dump_write ("num_types", "%d", xl->mem_acct->num_types);
- for (i = 0; i < xl->mem_acct.num_types; i++) {
- if (!(memcmp (&xl->mem_acct.rec[i], &rec,
+ for (i = 0; i < xl->mem_acct->num_types; i++) {
+ if (!(memcmp (&xl->mem_acct->rec[i], &rec,
sizeof (struct mem_acct))))
continue;
gf_proc_dump_add_section ("%s.%s - usage-type %s memusage",
xl->type, xl->name,
- xl->mem_acct.rec[i].typestr);
- gf_proc_dump_write ("size", "%u", xl->mem_acct.rec[i].size);
+ xl->mem_acct->rec[i].typestr);
+ gf_proc_dump_write ("size", "%u", xl->mem_acct->rec[i].size);
gf_proc_dump_write ("num_allocs", "%u",
- xl->mem_acct.rec[i].num_allocs);
+ xl->mem_acct->rec[i].num_allocs);
gf_proc_dump_write ("max_size", "%u",
- xl->mem_acct.rec[i].max_size);
+ xl->mem_acct->rec[i].max_size);
gf_proc_dump_write ("max_num_allocs", "%u",
- xl->mem_acct.rec[i].max_num_allocs);
+ xl->mem_acct->rec[i].max_num_allocs);
gf_proc_dump_write ("total_allocs", "%u",
- xl->mem_acct.rec[i].total_allocs);
+ xl->mem_acct->rec[i].total_allocs);
}
return;
@@ -261,29 +261,29 @@ gf_proc_dump_xlator_mem_info_only_in_use (xlator_t *xl)
if (!xl)
return;
- if (!xl->mem_acct.rec)
+ if (!xl->mem_acct->rec)
return;
gf_proc_dump_add_section ("%s.%s - Memory usage", xl->type, xl->name);
- gf_proc_dump_write ("num_types", "%d", xl->mem_acct.num_types);
+ gf_proc_dump_write ("num_types", "%d", xl->mem_acct->num_types);
- for (i = 0; i < xl->mem_acct.num_types; i++) {
- if (!xl->mem_acct.rec[i].size)
+ for (i = 0; i < xl->mem_acct->num_types; i++) {
+ if (!xl->mem_acct->rec[i].size)
continue;
gf_proc_dump_add_section ("%s.%s - usage-type %d", xl->type,
xl->name,i);
gf_proc_dump_write ("size", "%u",
- xl->mem_acct.rec[i].size);
+ xl->mem_acct->rec[i].size);
gf_proc_dump_write ("max_size", "%u",
- xl->mem_acct.rec[i].max_size);
+ xl->mem_acct->rec[i].max_size);
gf_proc_dump_write ("num_allocs", "%u",
- xl->mem_acct.rec[i].num_allocs);
+ xl->mem_acct->rec[i].num_allocs);
gf_proc_dump_write ("max_num_allocs", "%u",
- xl->mem_acct.rec[i].max_num_allocs);
+ xl->mem_acct->rec[i].max_num_allocs);
gf_proc_dump_write ("total_allocs", "%u",
- xl->mem_acct.rec[i].total_allocs);
+ xl->mem_acct->rec[i].total_allocs);
}
return;
diff --git a/libglusterfs/src/unittest/mem_pool_unittest.c b/libglusterfs/src/unittest/mem_pool_unittest.c
index 906ebb0a7f3..a94a15faed7 100644
--- a/libglusterfs/src/unittest/mem_pool_unittest.c
+++ b/libglusterfs/src/unittest/mem_pool_unittest.c
@@ -58,19 +58,20 @@ helper_xlator_init(uint32_t num_types)
xl = test_calloc(1, sizeof(xlator_t));
assert_non_null(xl);
- xl->mem_acct.num_types = num_types;
- xl->mem_acct.rec = test_calloc(num_types, sizeof(struct mem_acct_rec));
- assert_non_null(xl->mem_acct.rec);
+ xl->mem_acct->num_types = num_types;
+ xl->mem_acct = test_calloc (sizeof(struct mem_acct)
+ + sizeof(struct mem_acct_rec) * num_types);
+ assert_non_null(xl->mem_acct);
xl->ctx = test_calloc(1, sizeof(glusterfs_ctx_t));
assert_non_null(xl->ctx);
for (i = 0; i < num_types; i++) {
- ret = LOCK_INIT(&(xl->mem_acct.rec[i].lock));
+ ret = LOCK_INIT(&(xl->mem_acct->rec[i].lock));
assert_int_equal(ret, 0);
}
- ENSURE(num_types == xl->mem_acct.num_types);
+ ENSURE(num_types == xl->mem_acct->num_types);
ENSURE(NULL != xl);
return xl;
@@ -81,12 +82,12 @@ helper_xlator_destroy(xlator_t *xl)
{
int i, ret;
- for (i = 0; i < xl->mem_acct.num_types; i++) {
- ret = LOCK_DESTROY(&(xl->mem_acct.rec[i].lock));
+ for (i = 0; i < xl->mem_acct->num_types; i++) {
+ ret = LOCK_DESTROY(&(xl->mem_acct->rec[i].lock));
assert_int_equal(ret, 0);
}
- free(xl->mem_acct.rec);
+ free(xl->mem_acct->rec);
free(xl->ctx);
free(xl);
return 0;
@@ -143,23 +144,23 @@ test_gf_mem_set_acct_info_asserts(void **state)
type = 0;
- // Check xl is NULL
+ /* Check xl is NULL */
expect_assert_failure(gf_mem_set_acct_info(NULL, &alloc_ptr, size, type, ""));
- // Check xl->mem_acct.rec = NULL
+ /* Check xl->mem_acct = NULL */
expect_assert_failure(gf_mem_set_acct_info(&xltest, &alloc_ptr, 0, type, ""));
- // Check type <= xl->mem_acct.num_types
+ /* Check type <= xl->mem_acct->num_types */
type = 100;
expect_assert_failure(gf_mem_set_acct_info(&xltest, &alloc_ptr, 0, type, ""));
- // Check alloc is NULL
+ /* Check alloc is NULL */
assert_int_equal(-1, gf_mem_set_acct_info(&xltest, NULL, size, type, ""));
- // Initialize xl
+ /* Initialize xl */
xl = helper_xlator_init(10);
- // Test number of types
+ /* Test number of types */
type = 100;
- assert_true(NULL != xl->mem_acct.rec);
- assert_true(type > xl->mem_acct.num_types);
+ assert_true(NULL != xl->mem_acct);
+ assert_true(type > xl->mem_acct->num_types);
expect_assert_failure(gf_mem_set_acct_info(xl, &alloc_ptr, size, type, ""));
helper_xlator_destroy(xl);
@@ -180,7 +181,7 @@ test_gf_mem_set_acct_info_memory(void **state)
// Initialize xl
xl = helper_xlator_init(10);
- assert_null(xl->mem_acct.rec[type].typestr);
+ assert_null(xl->mem_acct->rec[type].typestr);
// Test allocation
temp_ptr = test_calloc(1, size + GF_MEM_HEADER_SIZE + GF_MEM_TRAILER_SIZE);
@@ -189,12 +190,12 @@ test_gf_mem_set_acct_info_memory(void **state)
gf_mem_set_acct_info(xl, &alloc_ptr, size, type, typestr);
//Check values
- assert_ptr_equal(typestr, xl->mem_acct.rec[type].typestr);
- assert_int_equal(xl->mem_acct.rec[type].size, size);
- assert_int_equal(xl->mem_acct.rec[type].num_allocs, 1);
- assert_int_equal(xl->mem_acct.rec[type].total_allocs, 1);
- assert_int_equal(xl->mem_acct.rec[type].max_size, size);
- assert_int_equal(xl->mem_acct.rec[type].max_num_allocs, 1);
+ assert_ptr_equal(typestr, xl->mem_acct->rec[type].typestr);
+ assert_int_equal(xl->mem_acct->rec[type].size, size);
+ assert_int_equal(xl->mem_acct->rec[type].num_allocs, 1);
+ assert_int_equal(xl->mem_acct->rec[type].total_allocs, 1);
+ assert_int_equal(xl->mem_acct->rec[type].max_size, size);
+ assert_int_equal(xl->mem_acct->rec[type].max_num_allocs, 1);
// Check memory
helper_check_memory_headers(temp_ptr, xl, size, type);
@@ -235,11 +236,11 @@ test_gf_calloc_default_calloc(void **state)
memset(mem, 0x5A, size);
// Check xl did not change
- assert_int_equal(xl->mem_acct.rec[type].size, 0);
- assert_int_equal(xl->mem_acct.rec[type].num_allocs, 0);
- assert_int_equal(xl->mem_acct.rec[type].total_allocs, 0);
- assert_int_equal(xl->mem_acct.rec[type].max_size, 0);
- assert_int_equal(xl->mem_acct.rec[type].max_num_allocs, 0);
+ assert_int_equal(xl->mem_acct->rec[type].size, 0);
+ assert_int_equal(xl->mem_acct->rec[type].num_allocs, 0);
+ assert_int_equal(xl->mem_acct->rec[type].total_allocs, 0);
+ assert_int_equal(xl->mem_acct->rec[type].max_size, 0);
+ assert_int_equal(xl->mem_acct->rec[type].max_num_allocs, 0);
free(mem);
helper_xlator_destroy(xl);
@@ -269,11 +270,11 @@ test_gf_calloc_mem_acct_enabled(void **state)
memset(mem, 0x5A, size);
// Check xl values
- assert_int_equal(xl->mem_acct.rec[type].size, size);
- assert_int_equal(xl->mem_acct.rec[type].num_allocs, 1);
- assert_int_equal(xl->mem_acct.rec[type].total_allocs, 1);
- assert_int_equal(xl->mem_acct.rec[type].max_size, size);
- assert_int_equal(xl->mem_acct.rec[type].max_num_allocs, 1);
+ assert_int_equal(xl->mem_acct->rec[type].size, size);
+ assert_int_equal(xl->mem_acct->rec[type].num_allocs, 1);
+ assert_int_equal(xl->mem_acct->rec[type].total_allocs, 1);
+ assert_int_equal(xl->mem_acct->rec[type].max_size, size);
+ assert_int_equal(xl->mem_acct->rec[type].max_num_allocs, 1);
// Check memory
helper_check_memory_headers(mem - sizeof(mem_header_t), xl, size, type);
@@ -302,11 +303,11 @@ test_gf_malloc_default_malloc(void **state)
memset(mem, 0x5A, size);
// Check xl did not change
- assert_int_equal(xl->mem_acct.rec[type].size, 0);
- assert_int_equal(xl->mem_acct.rec[type].num_allocs, 0);
- assert_int_equal(xl->mem_acct.rec[type].total_allocs, 0);
- assert_int_equal(xl->mem_acct.rec[type].max_size, 0);
- assert_int_equal(xl->mem_acct.rec[type].max_num_allocs, 0);
+ assert_int_equal(xl->mem_acct->rec[type].size, 0);
+ assert_int_equal(xl->mem_acct->rec[type].num_allocs, 0);
+ assert_int_equal(xl->mem_acct->rec[type].total_allocs, 0);
+ assert_int_equal(xl->mem_acct->rec[type].max_size, 0);
+ assert_int_equal(xl->mem_acct->rec[type].max_num_allocs, 0);
free(mem);
helper_xlator_destroy(xl);
@@ -336,11 +337,11 @@ test_gf_malloc_mem_acct_enabled(void **state)
memset(mem, 0x5A, size);
// Check xl values
- assert_int_equal(xl->mem_acct.rec[type].size, size);
- assert_int_equal(xl->mem_acct.rec[type].num_allocs, 1);
- assert_int_equal(xl->mem_acct.rec[type].total_allocs, 1);
- assert_int_equal(xl->mem_acct.rec[type].max_size, size);
- assert_int_equal(xl->mem_acct.rec[type].max_num_allocs, 1);
+ assert_int_equal(xl->mem_acct->rec[type].size, size);
+ assert_int_equal(xl->mem_acct->rec[type].num_allocs, 1);
+ assert_int_equal(xl->mem_acct->rec[type].total_allocs, 1);
+ assert_int_equal(xl->mem_acct->rec[type].max_size, size);
+ assert_int_equal(xl->mem_acct->rec[type].max_num_allocs, 1);
// Check memory
helper_check_memory_headers(mem - sizeof(mem_header_t), xl, size, type);
@@ -374,11 +375,11 @@ test_gf_realloc_default_realloc(void **state)
memset(mem, 0x5A, size);
// Check xl did not change
- assert_int_equal(xl->mem_acct.rec[type].size, 0);
- assert_int_equal(xl->mem_acct.rec[type].num_allocs, 0);
- assert_int_equal(xl->mem_acct.rec[type].total_allocs, 0);
- assert_int_equal(xl->mem_acct.rec[type].max_size, 0);
- assert_int_equal(xl->mem_acct.rec[type].max_num_allocs, 0);
+ assert_int_equal(xl->mem_acct->rec[type].size, 0);
+ assert_int_equal(xl->mem_acct->rec[type].num_allocs, 0);
+ assert_int_equal(xl->mem_acct->rec[type].total_allocs, 0);
+ assert_int_equal(xl->mem_acct->rec[type].max_size, 0);
+ assert_int_equal(xl->mem_acct->rec[type].max_num_allocs, 0);
free(mem);
helper_xlator_destroy(xl);
@@ -419,11 +420,11 @@ test_gf_realloc_mem_acct_enabled(void **state)
// not to the realloc + the malloc.
// Is this a bug?
//
- assert_int_equal(xl->mem_acct.rec[type].size, size+1024);
- assert_int_equal(xl->mem_acct.rec[type].num_allocs, 2);
- assert_int_equal(xl->mem_acct.rec[type].total_allocs, 2);
- assert_int_equal(xl->mem_acct.rec[type].max_size, size+1024);
- assert_int_equal(xl->mem_acct.rec[type].max_num_allocs, 2);
+ assert_int_equal(xl->mem_acct->rec[type].size, size+1024);
+ assert_int_equal(xl->mem_acct->rec[type].num_allocs, 2);
+ assert_int_equal(xl->mem_acct->rec[type].total_allocs, 2);
+ assert_int_equal(xl->mem_acct->rec[type].max_size, size+1024);
+ assert_int_equal(xl->mem_acct->rec[type].max_num_allocs, 2);
// Check memory
helper_check_memory_headers(mem - sizeof(mem_header_t), xl, size, type);
diff --git a/libglusterfs/src/xlator.c b/libglusterfs/src/xlator.c
index c670ee97aee..628f3499956 100644
--- a/libglusterfs/src/xlator.c
+++ b/libglusterfs/src/xlator.c
@@ -509,16 +509,22 @@ xlator_mem_acct_init (xlator_t *xl, int num_types)
if (!xl->ctx->mem_acct_enable)
return 0;
- xl->mem_acct.num_types = num_types;
- xl->mem_acct.rec = CALLOC(num_types, sizeof(struct mem_acct_rec));
+ xl->mem_acct = MALLOC (sizeof(struct mem_acct)
+ + sizeof(struct mem_acct_rec) * num_types);
- if (!xl->mem_acct.rec) {
+ if (!xl->mem_acct) {
return -1;
}
+ memset (xl->mem_acct, 0, sizeof(struct mem_acct));
+
+ xl->mem_acct->num_types = num_types;
+ LOCK_INIT (&xl->mem_acct->lock);
+ xl->mem_acct->refcnt = 1;
for (i = 0; i < num_types; i++) {
- ret = LOCK_INIT(&(xl->mem_acct.rec[i].lock));
+ memset (&xl->mem_acct->rec[i], 0, sizeof(struct mem_acct_rec));
+ ret = LOCK_INIT(&(xl->mem_acct->rec[i].lock));
if (ret) {
fprintf(stderr, "Unable to lock..errno : %d",errno);
}
@@ -559,17 +565,22 @@ xlator_list_destroy (xlator_list_t *list)
static int
xlator_memrec_free (xlator_t *xl)
{
- uint32_t i = 0;
+ uint32_t i = 0;
+ struct mem_acct *mem_acct = NULL;
- if (!xl)
+ if (!xl) {
return 0;
+ }
+ mem_acct = xl->mem_acct;
- if (xl->mem_acct.rec) {
- for (i = 0; i < xl->mem_acct.num_types; i++) {
- LOCK_DESTROY (&(xl->mem_acct.rec[i].lock));
+ if (mem_acct) {
+ for (i = 0; i < mem_acct->num_types; i++) {
+ LOCK_DESTROY (&(mem_acct->rec[i].lock));
+ }
+ if (DECREMENT_ATOMIC (mem_acct->lock, mem_acct->refcnt) == 0) {
+ FREE (mem_acct);
+ xl->mem_acct = NULL;
}
- FREE (xl->mem_acct.rec);
- xl->mem_acct.rec = NULL;
}
return 0;
@@ -653,7 +664,6 @@ xlator_tree_free_memacct (xlator_t *tree)
{
xlator_t *trav = tree;
xlator_t *prev = tree;
- int i = 0;
if (!tree) {
gf_log ("parser", GF_LOG_ERROR, "Translator tree not found");
@@ -662,13 +672,7 @@ xlator_tree_free_memacct (xlator_t *tree)
while (prev) {
trav = prev->next;
- if (prev->mem_acct.rec) {
- for (i = 0; i < prev->mem_acct.num_types; i++) {
- LOCK_DESTROY (&(prev->mem_acct.rec[i].lock));
- }
- FREE (prev->mem_acct.rec);
- }
- GF_FREE (prev);
+ xlator_memrec_free (prev);
prev = trav;
}
diff --git a/libglusterfs/src/xlator.h b/libglusterfs/src/xlator.h
index a238913d03b..ca30f99650e 100644
--- a/libglusterfs/src/xlator.h
+++ b/libglusterfs/src/xlator.h
@@ -889,7 +889,7 @@ struct _xlator {
inode_table_t *itable;
char init_succeeded;
void *private;
- struct mem_acct mem_acct;
+ struct mem_acct *mem_acct;
uint64_t winds;
char switched;
generated by cgit (git 2.34.1) at 2024-04-19 03:05:22 +0000