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-rw-r--r--erts/emulator/beam/erl_alloc_util.h88
1 files changed, 56 insertions, 32 deletions
diff --git a/erts/emulator/beam/erl_alloc_util.h b/erts/emulator/beam/erl_alloc_util.h
index 02cbe5c5d0..f4a2ae7ff3 100644
--- a/erts/emulator/beam/erl_alloc_util.h
+++ b/erts/emulator/beam/erl_alloc_util.h
@@ -3,16 +3,17 @@
*
* Copyright Ericsson AB 2002-2013. All Rights Reserved.
*
- * The contents of this file are subject to the Erlang Public License,
- * Version 1.1, (the "License"); you may not use this file except in
- * compliance with the License. You should have received a copy of the
- * Erlang Public License along with this software. If not, it can be
- * retrieved online at http://www.erlang.org/.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
*
- * Software distributed under the License is distributed on an "AS IS"
- * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
- * the License for the specific language governing rights and limitations
- * under the License.
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
*
* %CopyrightEnd%
*/
@@ -32,6 +33,7 @@ typedef struct Allctr_t_ Allctr_t;
typedef struct {
UWord ycs;
UWord mmc;
+ int sac;
} AlcUInit_t;
typedef struct {
@@ -75,7 +77,8 @@ typedef struct {
#define ERTS_DEFAULT_ALCU_INIT { \
1024*1024, /* (bytes) ycs: sys_alloc carrier size */\
- 1024 /* (amount) mmc: max mseg carriers */\
+ ~((UWord) 0), /* (amount) mmc: max mseg carriers */\
+ 1 /* (bool) sac: sys_alloc carriers */\
}
#define ERTS_DEFAULT_ALLCTR_INIT { \
@@ -95,7 +98,7 @@ typedef struct {
50, /* (%) rmbcmt: rel mbc move threshold */\
1024*1024, /* (bytes) mmbcs: main multiblock carrier size */\
256, /* (amount) mmsbc: max mseg sbcs */\
- 10, /* (amount) mmmbc: max mseg mbcs */\
+ ~((UWord) 0), /* (amount) mmmbc: max mseg mbcs */ \
10*1024*1024, /* (bytes) lmbcs: largest mbc size */\
1024*1024, /* (bytes) smbcs: smallest mbc size */\
10, /* (amount) mbcgs: mbc growth stages */\
@@ -109,7 +112,8 @@ typedef struct {
#define ERTS_DEFAULT_ALCU_INIT { \
128*1024, /* (bytes) ycs: sys_alloc carrier size */\
- 1024 /* (amount) mmc: max mseg carriers */\
+ 1024, /* (amount) mmc: max mseg carriers */\
+ 1 /* (bool) sac: sys_alloc carriers */\
}
#define ERTS_DEFAULT_ALLCTR_INIT { \
@@ -128,7 +132,7 @@ typedef struct {
80, /* (%) rsbcmt: rel sbc move threshold */\
128*1024, /* (bytes) mmbcs: main multiblock carrier size */\
256, /* (amount) mmsbc: max mseg sbcs */\
- 10, /* (amount) mmmbc: max mseg mbcs */\
+ ~((UWord) 0), /* (amount) mmmbc: max mseg mbcs */ \
1024*1024, /* (bytes) lmbcs: largest mbc size */\
128*1024, /* (bytes) smbcs: smallest mbc size */\
10, /* (amount) mbcgs: mbc growth stages */\
@@ -217,25 +221,34 @@ erts_aint32_t erts_alcu_fix_alloc_shrink(Allctr_t *, erts_aint32_t);
#define MBC_FBLK_SZ_MASK UNIT_MASK
#define CARRIER_SZ_MASK UNIT_MASK
-#if HAVE_ERTS_MSEG
-
-# define MSEG_UNIT_SHIFT MSEG_ALIGN_BITS
-# define MSEG_UNIT_SZ (1 << MSEG_UNIT_SHIFT)
-# define MSEG_UNIT_MASK ((~(UWord)0) << MSEG_UNIT_SHIFT)
-
-# define MSEG_UNIT_FLOOR(X) ((X) & MSEG_UNIT_MASK)
-# define MSEG_UNIT_CEILING(X) MSEG_UNIT_FLOOR((X) + ~MSEG_UNIT_MASK)
-
+#if ERTS_HAVE_MSEG_SUPER_ALIGNED \
+ || (!HAVE_ERTS_MSEG && ERTS_HAVE_ERTS_SYS_ALIGNED_ALLOC)
+# ifndef MSEG_ALIGN_BITS
+# define ERTS_SUPER_ALIGN_BITS MSEG_ALIGN_BITS
+# else
+# define ERTS_SUPER_ALIGN_BITS 18
+# endif
# ifdef ARCH_64
# define MBC_ABLK_OFFSET_BITS 24
-# elif HAVE_SUPER_ALIGNED_MB_CARRIERS
+# else
# define MBC_ABLK_OFFSET_BITS 9
/* Affects hard limits for sbct and lmbcs documented in erts_alloc.xml */
# endif
-#endif
-#ifndef MBC_ABLK_OFFSET_BITS
+# define ERTS_SACRR_UNIT_SHIFT ERTS_SUPER_ALIGN_BITS
+# define ERTS_SACRR_UNIT_SZ (1 << ERTS_SACRR_UNIT_SHIFT)
+# define ERTS_SACRR_UNIT_MASK ((~(UWord)0) << ERTS_SACRR_UNIT_SHIFT)
+# define ERTS_SACRR_UNIT_FLOOR(X) ((X) & ERTS_SACRR_UNIT_MASK)
+# define ERTS_SACRR_UNIT_CEILING(X) ERTS_SACRR_UNIT_FLOOR((X) + ~ERTS_SACRR_UNIT_MASK)
+# define ERTS_SA_MB_CARRIERS 1
+#else
+# define ERTS_SA_MB_CARRIERS 0
# define MBC_ABLK_OFFSET_BITS 0 /* no carrier offset in block header */
#endif
+#if ERTS_HAVE_MSEG_SUPER_ALIGNED && !ERTS_HAVE_ERTS_SYS_ALIGNED_ALLOC
+# define ERTS_SUPER_ALIGNED_MSEG_ONLY 1
+#else
+# define ERTS_SUPER_ALIGNED_MSEG_ONLY 0
+#endif
#if MBC_ABLK_OFFSET_BITS
# define MBC_ABLK_OFFSET_SHIFT (sizeof(UWord)*8 - MBC_ABLK_OFFSET_BITS)
@@ -245,9 +258,9 @@ erts_aint32_t erts_alcu_fix_alloc_shrink(Allctr_t *, erts_aint32_t);
# define MBC_ABLK_SZ_MASK (~FLG_MASK)
#endif
-#define MBC_ABLK_SZ(B) (ASSERT_EXPR(!is_sbc_blk(B)), (B)->bhdr & MBC_ABLK_SZ_MASK)
-#define MBC_FBLK_SZ(B) (ASSERT_EXPR(!is_sbc_blk(B)), (B)->bhdr & MBC_FBLK_SZ_MASK)
-#define SBC_BLK_SZ(B) (ASSERT_EXPR(is_sbc_blk(B)), (B)->bhdr & SBC_BLK_SZ_MASK)
+#define MBC_ABLK_SZ(B) (ASSERT(!is_sbc_blk(B)), (B)->bhdr & MBC_ABLK_SZ_MASK)
+#define MBC_FBLK_SZ(B) (ASSERT(!is_sbc_blk(B)), (B)->bhdr & MBC_FBLK_SZ_MASK)
+#define SBC_BLK_SZ(B) (ASSERT(is_sbc_blk(B)), (B)->bhdr & SBC_BLK_SZ_MASK)
#define CARRIER_SZ(C) \
((C)->chdr & CARRIER_SZ_MASK)
@@ -256,15 +269,21 @@ typedef union {char c[ERTS_ALLOC_ALIGN_BYTES]; long l; double d;} Unit_t;
#ifdef ERTS_SMP
+typedef struct ErtsDoubleLink_t_ {
+ struct ErtsDoubleLink_t_ *next;
+ struct ErtsDoubleLink_t_ *prev;
+}ErtsDoubleLink_t;
+
typedef struct {
erts_atomic_t next;
erts_atomic_t prev;
- Allctr_t *orig_allctr;
+ Allctr_t *orig_allctr; /* read-only while carrier is alive */
ErtsThrPrgrVal thr_prgr;
erts_atomic_t max_size;
UWord abandon_limit;
UWord blocks;
UWord blocks_size;
+ ErtsDoubleLink_t abandoned; /* node in pooled_list or traitor_list */
} ErtsAlcCPoolData_t;
#endif
@@ -327,8 +346,8 @@ typedef struct {
(B)->u.carrier)
# define ABLK_TO_MBC(B) \
(ASSERT(IS_MBC_BLK(B) && !IS_FREE_BLK(B)), \
- (Carrier_t*)((MSEG_UNIT_FLOOR((UWord)(B)) - \
- (((B)->bhdr >> MBC_ABLK_OFFSET_SHIFT) << MSEG_UNIT_SHIFT))))
+ (Carrier_t*)((ERTS_SACRR_UNIT_FLOOR((UWord)(B)) - \
+ (((B)->bhdr >> MBC_ABLK_OFFSET_SHIFT) << ERTS_SACRR_UNIT_SHIFT))))
# define BLK_TO_MBC(B) (IS_FREE_BLK(B) ? FBLK_TO_MBC(B) : ABLK_TO_MBC(B))
#else
# define FBLK_TO_MBC(B) ((B)->carrier)
@@ -488,7 +507,12 @@ struct Allctr_t_ {
CarrierList_t sbc_list;
#ifdef ERTS_SMP
struct {
- CarrierList_t dc_list;
+ /* pooled_list, traitor list and dc_list contain only
+ carriers _created_ by this allocator */
+ ErtsDoubleLink_t pooled_list;
+ ErtsDoubleLink_t traitor_list;
+ CarrierList_t dc_list;
+
UWord abandon_limit;
int disable_abandon;
int check_limit_count;