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-rw-r--r--erts/emulator/beam/erl_alloc.c50
-rw-r--r--erts/emulator/beam/erl_alloc_util.c56
-rw-r--r--erts/emulator/beam/erl_alloc_util.h7
-rw-r--r--erts/emulator/beam/erl_binary.h2
-rw-r--r--erts/emulator/beam/external.c12
-rw-r--r--erts/emulator/beam/io.c2
6 files changed, 96 insertions, 33 deletions
diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c
index d8da616d05..b5ba9bb94a 100644
--- a/erts/emulator/beam/erl_alloc.c
+++ b/erts/emulator/beam/erl_alloc.c
@@ -100,6 +100,8 @@ static Uint install_debug_functions(void);
#endif
#endif
+static int lock_all_physical_memory = 0;
+
ErtsAllocatorFunctions_t erts_allctrs[ERTS_ALC_A_MAX+1];
ErtsAllocatorInfo_t erts_allctrs_info[ERTS_ALC_A_MAX+1];
ErtsAllocatorThrSpec_t erts_allctr_thr_spec[ERTS_ALC_A_MAX+1];
@@ -618,6 +620,8 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop)
hdbg_init();
#endif
+ lock_all_physical_memory = 0;
+
ncpu = eaiop->ncpu;
if (ncpu < 1)
ncpu = 1;
@@ -641,6 +645,20 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop)
if (argc && argv)
handle_args(argc, argv, &init);
+ if (lock_all_physical_memory) {
+#ifdef HAVE_MLOCKALL
+ errno = 0;
+ if (mlockall(MCL_CURRENT|MCL_FUTURE) != 0) {
+ int err = errno;
+ char *errstr = err ? strerror(err) : "unknown";
+ erl_exit(-1, "Failed to lock physical memory: %s (%d)\n",
+ errstr, err);
+ }
+#else
+ erl_exit(-1, "Failed to lock physical memory: Not supported\n");
+#endif
+ }
+
#ifndef ERTS_SMP
init.sl_alloc.thr_spec = 0;
init.std_alloc.thr_spec = 0;
@@ -1486,11 +1504,11 @@ handle_args(int *argc, char **argv, erts_alc_hndl_args_init_t *init)
#endif
get_bool_value(argv[i]+8, argv, &i);
}
- else if (has_prefix("scmgc", argv[i]+3)) {
+ else if (has_prefix("scrfsd", argv[i]+3)) {
#if HAVE_ERTS_MSEG
- init->mseg.mmap.scmgc =
+ init->mseg.mmap.scrfsd =
#endif
- get_amount_value(argv[i]+8, argv, &i);
+ get_amount_value(argv[i]+9, argv, &i);
}
else {
bad_param(param, param+2);
@@ -1630,6 +1648,19 @@ handle_args(int *argc, char **argv, erts_alc_hndl_args_init_t *init)
bad_param(param, param+2);
}
break;
+ case 'l':
+ if (has_prefix("pm", param+2)) {
+ arg = get_value(argv[i]+5, argv, &i);
+ if (strcmp("all", arg) == 0)
+ lock_all_physical_memory = 1;
+ else if (strcmp("no", arg) == 0)
+ lock_all_physical_memory = 0;
+ else
+ bad_value(param, param+4, arg);
+ break;
+ }
+ bad_param(param, param+2);
+ break;
case 'u':
if (has_prefix("ycs", argv[i]+3)) {
init->alloc_util.ycs
@@ -1639,6 +1670,10 @@ handle_args(int *argc, char **argv, erts_alc_hndl_args_init_t *init)
init->alloc_util.mmc
= get_amount_value(argv[i]+6, argv, &i);
}
+ else if (has_prefix("sac", argv[i]+3)) {
+ init->alloc_util.sac
+ = get_bool_value(argv[i]+6, argv, &i);
+ }
else {
int a;
int start = i;
@@ -2749,8 +2784,8 @@ erts_allocator_options(void *proc)
#endif
Uint sz, *szp, *hp, **hpp;
Eterm res, features, settings;
- Eterm atoms[ERTS_ALC_A_MAX-ERTS_ALC_A_MIN+6];
- Uint terms[ERTS_ALC_A_MAX-ERTS_ALC_A_MIN+6];
+ Eterm atoms[ERTS_ALC_A_MAX-ERTS_ALC_A_MIN+7];
+ Uint terms[ERTS_ALC_A_MAX-ERTS_ALC_A_MIN+7];
int a, length;
SysAllocStat sas;
Uint *endp = NULL;
@@ -2848,6 +2883,11 @@ erts_allocator_options(void *proc)
terms[length++] = erts_bld_2tup_list(hpp, szp, 3, o, v);
}
+ atoms[length] = am_atom_put("lock_physical_memory", 20);
+ terms[length++] = (lock_all_physical_memory
+ ? am_atom_put("all", 3)
+ : am_atom_put("no", 2));
+
settings = erts_bld_2tup_list(hpp, szp, length, atoms, terms);
length = 0;
diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c
index b59fe0bf15..3914537d0d 100644
--- a/erts/emulator/beam/erl_alloc_util.c
+++ b/erts/emulator/beam/erl_alloc_util.c
@@ -98,6 +98,7 @@ static Uint sys_alloc_carrier_size;
#if HAVE_ERTS_MSEG
static Uint max_mseg_carriers;
#endif
+static int allow_sys_alloc_carriers;
#define ONE_GIGA (1000000000)
@@ -372,6 +373,8 @@ do { \
#define ERTS_CRR_ALCTR_FLG_IN_POOL (((erts_aint_t) 1) << 0)
#define ERTS_CRR_ALCTR_FLG_BUSY (((erts_aint_t) 1) << 1)
+#define ERTS_CRR_ALCTR_FLG_MASK (ERTS_CRR_ALCTR_FLG_IN_POOL | \
+ ERTS_CRR_ALCTR_FLG_BUSY)
#ifdef ERTS_SMP
#define SBC_HEADER_SIZE \
@@ -1404,14 +1407,14 @@ get_used_allctr(Allctr_t *pref_allctr, int pref_lock, void *p, UWord *sizep,
if (ERTS_ALC_TS_PREF_LOCK_IF_USED == pref_lock
&& pref_allctr->thread_safe) {
- used_allctr = (Allctr_t *) (iallctr & ~FLG_MASK);
+ used_allctr = (Allctr_t *) (iallctr & ~ERTS_CRR_ALCTR_FLG_MASK);
if (pref_allctr == used_allctr) {
erts_mtx_lock(&pref_allctr->mutex);
locked_pref_allctr = 1;
}
}
- while ((iallctr & ((~FLG_MASK)|ERTS_CRR_ALCTR_FLG_IN_POOL))
+ while ((iallctr & ((~ERTS_CRR_ALCTR_FLG_MASK)|ERTS_CRR_ALCTR_FLG_IN_POOL))
== (((erts_aint_t) pref_allctr)|ERTS_CRR_ALCTR_FLG_IN_POOL)) {
erts_aint_t act;
@@ -1426,7 +1429,7 @@ get_used_allctr(Allctr_t *pref_allctr, int pref_lock, void *p, UWord *sizep,
iallctr = act;
}
- used_allctr = (Allctr_t *) (iallctr & ~FLG_MASK);
+ used_allctr = (Allctr_t *) (iallctr & ~ERTS_CRR_ALCTR_FLG_MASK);
if (ERTS_ALC_TS_PREF_LOCK_IF_USED == pref_lock) {
if (locked_pref_allctr && used_allctr != pref_allctr) {
@@ -1436,16 +1439,16 @@ get_used_allctr(Allctr_t *pref_allctr, int pref_lock, void *p, UWord *sizep,
}
ERTS_ALC_CPOOL_ASSERT(
- (((iallctr & ~FLG_MASK) == (erts_aint_t) pref_allctr)
- ? (((iallctr & FLG_MASK) == ERTS_CRR_ALCTR_FLG_IN_POOL)
- || ((iallctr & FLG_MASK) == 0))
+ (((iallctr & ~ERTS_CRR_ALCTR_FLG_MASK) == (erts_aint_t) pref_allctr)
+ ? (((iallctr & ERTS_CRR_ALCTR_FLG_MASK) == ERTS_CRR_ALCTR_FLG_IN_POOL)
+ || ((iallctr & ERTS_CRR_ALCTR_FLG_MASK) == 0))
: 1));
return used_allctr;
}
}
- used_allctr = (Allctr_t *) (iallctr & ~FLG_MASK);
+ used_allctr = (Allctr_t *) (iallctr & ~ERTS_CRR_ALCTR_FLG_MASK);
if (ERTS_ALC_TS_PREF_LOCK_IF_USED == pref_lock
&& used_allctr == pref_allctr
@@ -1776,7 +1779,7 @@ handle_delayed_dealloc(Allctr_t *allctr,
ERTS_ALC_CPOOL_ASSERT(allctr == crr->cpool.orig_allctr);
ERTS_ALC_CPOOL_ASSERT(((erts_aint_t) allctr)
!= (erts_smp_atomic_read_nob(&crr->allctr)
- & ~FLG_MASK));
+ & ~ERTS_CRR_ALCTR_FLG_MASK));
erts_smp_atomic_set_nob(&crr->allctr, ((erts_aint_t) allctr));
@@ -2919,7 +2922,7 @@ cpool_fetch(Allctr_t *allctr, UWord size)
#ifdef ERTS_ALC_CPOOL_DEBUG
ERTS_ALC_CPOOL_ASSERT(erts_smp_atomic_xchg_nob(&crr->allctr,
((erts_aint_t) allctr))
- == (((erts_aint_t) allctr) & ~FLG_MASK));
+ == (((erts_aint_t) allctr) & ~ERTS_CRR_ALCTR_FLG_MASK));
#else
erts_smp_atomic_set_nob(&crr->allctr, ((erts_aint_t) allctr));
#endif
@@ -2961,7 +2964,7 @@ cpool_fetch(Allctr_t *allctr, UWord size)
(erts_aint_t) allctr,
exp);
if (act == exp) {
- cpool_delete(allctr, ((Allctr_t *) (act & ~FLG_MASK)), crr);
+ cpool_delete(allctr, ((Allctr_t *) (act & ~ERTS_CRR_ALCTR_FLG_MASK)), crr);
return crr;
}
}
@@ -3056,7 +3059,7 @@ schedule_dealloc_carrier(Allctr_t *allctr, Carrier_t *crr)
ERTS_ALC_CPOOL_ASSERT(crr == FIRST_BLK_TO_MBC(allctr, blk));
ERTS_ALC_CPOOL_ASSERT(((erts_aint_t) allctr)
== (erts_smp_atomic_read_nob(&crr->allctr)
- & ~FLG_MASK));
+ & ~ERTS_CRR_ALCTR_FLG_MASK));
if (ddq_enqueue(&orig_allctr->dd.q, BLK2UMEM(blk), cinit))
erts_alloc_notify_delayed_dealloc(orig_allctr->ix);
@@ -3256,13 +3259,15 @@ create_carrier(Allctr_t *allctr, Uint umem_sz, UWord flags)
int is_mseg = 0;
#endif
-#if HALFWORD_HEAP
- flags |= CFLG_FORCE_MSEG;
-#elif ERTS_SUPER_ALIGNED_MSEG_ONLY
- if (flags & CFLG_MBC) {
+ if (HALFWORD_HEAP
+ || (ERTS_SUPER_ALIGNED_MSEG_ONLY && (flags & CFLG_MBC))
+ || !allow_sys_alloc_carriers) {
flags |= CFLG_FORCE_MSEG;
- }
+ flags &= ~CFLG_FORCE_SYS_ALLOC;
+#if !HAVE_ERTS_MSEG
+ return NULL;
#endif
+ }
ASSERT((flags & CFLG_SBC && !(flags & CFLG_MBC))
|| (flags & CFLG_MBC && !(flags & CFLG_SBC)));
@@ -3697,6 +3702,7 @@ static struct {
Eterm mmc;
#endif
Eterm ycs;
+ Eterm sac;
Eterm fix_types;
@@ -3789,6 +3795,7 @@ init_atoms(Allctr_t *allctr)
AM_INIT(mmc);
#endif
AM_INIT(ycs);
+ AM_INIT(sac);
AM_INIT(fix_types);
@@ -4509,17 +4516,22 @@ erts_alcu_au_info_options(int *print_to_p, void *print_to_arg,
#if HAVE_ERTS_MSEG
"option mmc: %beu\n"
#endif
- "option ycs: %beu\n",
+ "option ycs: %beu\n"
+ "option sac: %s\n",
#if HAVE_ERTS_MSEG
max_mseg_carriers,
#endif
- sys_alloc_carrier_size);
+ sys_alloc_carrier_size,
+ allow_sys_alloc_carriers ? "true" : "false");
}
if (hpp || szp) {
res = NIL;
ensure_atoms_initialized(NULL);
add_2tup(hpp, szp, &res,
+ am.sac,
+ allow_sys_alloc_carriers ? am_true : am_false);
+ add_2tup(hpp, szp, &res,
am.ycs,
bld_uint(hpp, szp, sys_alloc_carrier_size));
#if HAVE_ERTS_MSEG
@@ -5422,6 +5434,11 @@ erts_alcu_start(Allctr_t *allctr, AllctrInit_t *init)
{
/* erts_alcu_start assumes that allctr has been zeroed */
+ if (((UWord)allctr & ERTS_CRR_ALCTR_FLG_MASK) != 0) {
+ erl_exit(ERTS_ABORT_EXIT, "%s:%d:erts_alcu_start: Alignment error\n",
+ __FILE__, __LINE__);
+ }
+
if (!initialized)
goto error;
@@ -5512,7 +5529,7 @@ erts_alcu_start(Allctr_t *allctr, AllctrInit_t *init)
erts_atomic_init_nob(&allctr->cpool.stat.carriers_size, 0);
erts_atomic_init_nob(&allctr->cpool.stat.no_carriers, 0);
allctr->cpool.check_limit_count = ERTS_ALC_CPOOL_CHECK_LIMIT_COUNT;
- allctr->cpool.util_limit = init->acul;
+ allctr->cpool.util_limit = init->ts ? 0 : init->acul;
#endif
allctr->sbc_threshold = init->sbct;
@@ -5688,6 +5705,7 @@ erts_alcu_init(AlcUInit_t *init)
#else /* #if HAVE_ERTS_MSEG */
sys_alloc_carrier_size = ((init->ycs + 4095) / 4096) * 4096;
#endif
+ allow_sys_alloc_carriers = init->sac;
#ifdef DEBUG
carrier_alignment = sizeof(Unit_t);
diff --git a/erts/emulator/beam/erl_alloc_util.h b/erts/emulator/beam/erl_alloc_util.h
index 222f137024..7be6b1ed9d 100644
--- a/erts/emulator/beam/erl_alloc_util.h
+++ b/erts/emulator/beam/erl_alloc_util.h
@@ -32,6 +32,7 @@ typedef struct Allctr_t_ Allctr_t;
typedef struct {
UWord ycs;
UWord mmc;
+ int sac;
} AlcUInit_t;
typedef struct {
@@ -75,7 +76,8 @@ typedef struct {
#define ERTS_DEFAULT_ALCU_INIT { \
1024*1024, /* (bytes) ycs: sys_alloc carrier size */\
- ~((UWord) 0) /* (amount) mmc: max mseg carriers */ \
+ ~((UWord) 0), /* (amount) mmc: max mseg carriers */\
+ 1 /* (bool) sac: sys_alloc carriers */\
}
#define ERTS_DEFAULT_ALLCTR_INIT { \
@@ -109,7 +111,8 @@ 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 { \
diff --git a/erts/emulator/beam/erl_binary.h b/erts/emulator/beam/erl_binary.h
index f7dc20f5e6..819b19e566 100644
--- a/erts/emulator/beam/erl_binary.h
+++ b/erts/emulator/beam/erl_binary.h
@@ -225,7 +225,7 @@ erts_free_aligned_binary_bytes(byte* buf)
** These extra bytes where earlier (< R13B04) added by an alignment-bug
** in this code. Do we dare remove this in some major release (R14?) maybe?
*/
-#ifdef DEBUG
+#if defined(DEBUG) || defined(VALGRIND)
# define CHICKEN_PAD 0
#else
# define CHICKEN_PAD (sizeof(void*) - 1)
diff --git a/erts/emulator/beam/external.c b/erts/emulator/beam/external.c
index 1c88765381..22b0a02937 100644
--- a/erts/emulator/beam/external.c
+++ b/erts/emulator/beam/external.c
@@ -2970,7 +2970,7 @@ dec_term_atom_common:
n = get_int32(ep);
ep += 4;
- if (n <= ERL_ONHEAP_BIN_LIMIT) {
+ if ((unsigned)n <= ERL_ONHEAP_BIN_LIMIT) {
ErlHeapBin* hb = (ErlHeapBin *) hp;
hb->thing_word = header_heap_bin(n);
@@ -3007,8 +3007,10 @@ dec_term_atom_common:
n = get_int32(ep);
bitsize = ep[4];
- ep += 5;
- if (n <= ERL_ONHEAP_BIN_LIMIT) {
+ if (((bitsize==0) != (n==0)) || bitsize > 8)
+ goto error;
+ ep += 5;
+ if ((unsigned)n <= ERL_ONHEAP_BIN_LIMIT) {
ErlHeapBin* hb = (ErlHeapBin *) hp;
hb->thing_word = header_heap_bin(n);
@@ -3035,10 +3037,10 @@ dec_term_atom_common:
hp += PROC_BIN_SIZE;
}
ep += n;
- if (bitsize == 0) {
+ if (bitsize == 8 || n == 0) {
*objp = bin;
} else {
- sb = (ErlSubBin *) hp;
+ sb = (ErlSubBin *)hp;
sb->thing_word = HEADER_SUB_BIN;
sb->orig = bin;
sb->size = n - 1;
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index db19f6c142..6911fd8241 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -4078,7 +4078,7 @@ erts_port_control(Process* c_p,
copy = 1;
else {
binp = ((ProcBin *) ebinp)->val;
- ASSERT(bufp < bufp + size);
+ ASSERT(bufp <= bufp + size);
ASSERT(binp->orig_bytes <= bufp
&& bufp + size <= binp->orig_bytes + binp->orig_size);
erts_refc_inc(&binp->refc, 1);
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-08 02:23:13 +0000