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-rw-r--r--erts/emulator/beam/erl_alloc.c3157
1 files changed, 3157 insertions, 0 deletions
diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c
new file mode 100644
index 0000000000..b853ec0f01
--- /dev/null
+++ b/erts/emulator/beam/erl_alloc.c
@@ -0,0 +1,3157 @@
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 2002-2009. 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/.
+ *
+ * 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.
+ *
+ * %CopyrightEnd%
+ */
+
+
+/*
+ * Description: Management of memory allocators.
+ *
+ * Author: Rickard Green
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+#define ERTS_ALLOC_C__
+#define ERTS_ALC_INTERNAL__
+#include "sys.h"
+#define ERL_THREADS_EMU_INTERNAL__
+#include "erl_threads.h"
+#include "global.h"
+#include "erl_db.h"
+#include "erl_binary.h"
+#include "erl_bits.h"
+#include "erl_instrument.h"
+#include "erl_mseg.h"
+#ifdef ELIB_ALLOC_IS_CLIB
+#include "erl_version.h"
+#endif
+#include "erl_monitors.h"
+#include "erl_bif_timer.h"
+#if defined(ERTS_ALC_T_DRV_SEL_D_STATE) || defined(ERTS_ALC_T_DRV_EV_D_STATE)
+#include "erl_check_io.h"
+#endif
+
+#define GET_ERL_GF_ALLOC_IMPL
+#include "erl_goodfit_alloc.h"
+#define GET_ERL_BF_ALLOC_IMPL
+#include "erl_bestfit_alloc.h"
+#define GET_ERL_AF_ALLOC_IMPL
+#include "erl_afit_alloc.h"
+
+#define ERTS_ALC_DEFAULT_MAX_THR_PREF 16
+
+#if defined(SMALL_MEMORY) || defined(PURIFY) || defined(VALGRIND)
+#define AU_ALLOC_DEFAULT_ENABLE(X) 0
+#else
+#define AU_ALLOC_DEFAULT_ENABLE(X) (X)
+#endif
+
+#ifdef DEBUG
+static Uint install_debug_functions(void);
+#endif
+extern void elib_ensure_initialized(void);
+
+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];
+
+#define ERTS_MIN(A, B) ((A) < (B) ? (A) : (B))
+#define ERTS_MAX(A, B) ((A) > (B) ? (A) : (B))
+
+typedef union {
+ GFAllctr_t gfa;
+ char align_gfa[ERTS_ALC_CACHE_LINE_ALIGN_SIZE(sizeof(GFAllctr_t))];
+ BFAllctr_t bfa;
+ char align_bfa[ERTS_ALC_CACHE_LINE_ALIGN_SIZE(sizeof(BFAllctr_t))];
+ AFAllctr_t afa;
+ char align_afa[ERTS_ALC_CACHE_LINE_ALIGN_SIZE(sizeof(AFAllctr_t))];
+} ErtsAllocatorState_t;
+
+static ErtsAllocatorState_t sl_alloc_state;
+static ErtsAllocatorState_t std_alloc_state;
+static ErtsAllocatorState_t ll_alloc_state;
+static ErtsAllocatorState_t temp_alloc_state;
+static ErtsAllocatorState_t eheap_alloc_state;
+static ErtsAllocatorState_t binary_alloc_state;
+static ErtsAllocatorState_t ets_alloc_state;
+static ErtsAllocatorState_t driver_alloc_state;
+
+ErtsAlcType_t erts_fix_core_allocator_ix;
+#ifdef ERTS_ALC_N_MIN_A_FIXED_SIZE
+static void *(*fix_core_allocator)(ErtsAlcType_t, void *, Uint);
+static void *fix_core_extra;
+static void *fix_core_alloc(Uint size)
+{
+ void *res;
+ res = (*fix_core_allocator)(ERTS_ALC_T_UNDEF, fix_core_extra, size);
+ if (erts_mtrace_enabled)
+ erts_mtrace_crr_alloc(res,
+ ERTS_ALC_A_FIXED_SIZE,
+ erts_fix_core_allocator_ix,
+ size);
+ return res;
+}
+#endif
+
+enum allctr_type {
+ GOODFIT,
+ BESTFIT,
+ AFIT
+};
+
+struct au_init {
+ int enable;
+ int thr_spec;
+ enum allctr_type atype;
+ struct {
+ AllctrInit_t util;
+ GFAllctrInit_t gf;
+ BFAllctrInit_t bf;
+ AFAllctrInit_t af;
+ } init;
+ struct {
+ int mmbcs;
+ int lmbcs;
+ int smbcs;
+ int mmmbc;
+ } default_;
+};
+
+#define DEFAULT_ALLCTR_INIT { \
+ ERTS_DEFAULT_ALLCTR_INIT, \
+ ERTS_DEFAULT_GF_ALLCTR_INIT, \
+ ERTS_DEFAULT_BF_ALLCTR_INIT, \
+ ERTS_DEFAULT_AF_ALLCTR_INIT \
+}
+
+typedef struct {
+ int erts_alloc_config;
+#if HAVE_ERTS_MSEG
+ ErtsMsegInit_t mseg;
+#endif
+ int trim_threshold;
+ int top_pad;
+ AlcUInit_t alloc_util;
+ struct {
+ int stat;
+ int map;
+ char *mtrace;
+ char *nodename;
+ } instr;
+ struct au_init sl_alloc;
+ struct au_init std_alloc;
+ struct au_init ll_alloc;
+ struct au_init temp_alloc;
+ struct au_init eheap_alloc;
+ struct au_init binary_alloc;
+ struct au_init ets_alloc;
+ struct au_init driver_alloc;
+} erts_alc_hndl_args_init_t;
+
+#define ERTS_AU_INIT__ {0, 0, GOODFIT, DEFAULT_ALLCTR_INIT, {1,1,1,1}}
+
+#define SET_DEFAULT_ALLOC_OPTS(IP) \
+do { \
+ struct au_init aui__ = ERTS_AU_INIT__; \
+ sys_memcpy((void *) (IP), (void *) &aui__, sizeof(struct au_init)); \
+} while (0)
+
+static void
+set_default_sl_alloc_opts(struct au_init *ip)
+{
+ SET_DEFAULT_ALLOC_OPTS(ip);
+ ip->enable = AU_ALLOC_DEFAULT_ENABLE(1);
+ ip->thr_spec = 1;
+ ip->atype = GOODFIT;
+ ip->init.util.name_prefix = "sl_";
+ ip->init.util.mmmbc = 5;
+ ip->init.util.alloc_no = ERTS_ALC_A_SHORT_LIVED;
+#ifndef SMALL_MEMORY
+ ip->init.util.mmbcs = 128*1024; /* Main carrier size */
+#else
+ ip->init.util.mmbcs = 32*1024; /* Main carrier size */
+#endif
+ ip->init.util.ts = ERTS_ALC_MTA_SHORT_LIVED;
+ ip->init.util.rsbcst = 80;
+}
+
+static void
+set_default_std_alloc_opts(struct au_init *ip)
+{
+ SET_DEFAULT_ALLOC_OPTS(ip);
+ ip->enable = AU_ALLOC_DEFAULT_ENABLE(1);
+ ip->thr_spec = 1;
+ ip->atype = BESTFIT;
+ ip->init.util.name_prefix = "std_";
+ ip->init.util.mmmbc = 5;
+ ip->init.util.alloc_no = ERTS_ALC_A_STANDARD;
+#ifndef SMALL_MEMORY
+ ip->init.util.mmbcs = 128*1024; /* Main carrier size */
+#else
+ ip->init.util.mmbcs = 32*1024; /* Main carrier size */
+#endif
+ ip->init.util.ts = ERTS_ALC_MTA_STANDARD;
+}
+
+static void
+set_default_ll_alloc_opts(struct au_init *ip)
+{
+ SET_DEFAULT_ALLOC_OPTS(ip);
+ ip->enable = AU_ALLOC_DEFAULT_ENABLE(1);
+ ip->thr_spec = 0;
+ ip->atype = BESTFIT;
+ ip->init.bf.ao = 1;
+ ip->init.util.ramv = 0;
+ ip->init.util.mmsbc = 0;
+ ip->init.util.mmmbc = 0;
+ ip->init.util.sbct = ~((Uint) 0);
+ ip->init.util.name_prefix = "ll_";
+ ip->init.util.alloc_no = ERTS_ALC_A_LONG_LIVED;
+#ifndef SMALL_MEMORY
+ ip->init.util.mmbcs = 2*1024*1024; /* Main carrier size */
+#else
+ ip->init.util.mmbcs = 1*1024*1024; /* Main carrier size */
+#endif
+ ip->init.util.ts = ERTS_ALC_MTA_LONG_LIVED;
+ ip->init.util.asbcst = 0;
+ ip->init.util.rsbcst = 0;
+ ip->init.util.rsbcmt = 0;
+ ip->init.util.rmbcmt = 0;
+}
+
+static void
+set_default_temp_alloc_opts(struct au_init *ip)
+{
+ SET_DEFAULT_ALLOC_OPTS(ip);
+ ip->enable = AU_ALLOC_DEFAULT_ENABLE(1);
+ ip->thr_spec = 1;
+ ip->atype = AFIT;
+ ip->init.util.name_prefix = "temp_";
+ ip->init.util.alloc_no = ERTS_ALC_A_TEMPORARY;
+#ifndef SMALL_MEMORY
+ ip->init.util.mmbcs = 128*1024; /* Main carrier size */
+#else
+ ip->init.util.mmbcs = 32*1024; /* Main carrier size */
+#endif
+ ip->init.util.ts = ERTS_ALC_MTA_TEMPORARY;
+ ip->init.util.rsbcst = 90;
+ ip->init.util.rmbcmt = 100;
+}
+
+static void
+set_default_eheap_alloc_opts(struct au_init *ip)
+{
+ SET_DEFAULT_ALLOC_OPTS(ip);
+ ip->enable = AU_ALLOC_DEFAULT_ENABLE(1);
+ ip->thr_spec = 1;
+ ip->atype = GOODFIT;
+ ip->init.util.mmmbc = 100;
+ ip->init.util.name_prefix = "eheap_";
+ ip->init.util.alloc_no = ERTS_ALC_A_EHEAP;
+#ifndef SMALL_MEMORY
+ ip->init.util.mmbcs = 512*1024; /* Main carrier size */
+#else
+ ip->init.util.mmbcs = 256*1024; /* Main carrier size */
+#endif
+ ip->init.util.ts = ERTS_ALC_MTA_EHEAP;
+ ip->init.util.rsbcst = 50;
+}
+
+static void
+set_default_binary_alloc_opts(struct au_init *ip)
+{
+ SET_DEFAULT_ALLOC_OPTS(ip);
+ ip->enable = AU_ALLOC_DEFAULT_ENABLE(1);
+ ip->thr_spec = 1;
+ ip->atype = BESTFIT;
+ ip->init.util.mmmbc = 50;
+ ip->init.util.name_prefix = "binary_";
+ ip->init.util.alloc_no = ERTS_ALC_A_BINARY;
+#ifndef SMALL_MEMORY
+ ip->init.util.mmbcs = 128*1024; /* Main carrier size */
+#else
+ ip->init.util.mmbcs = 32*1024; /* Main carrier size */
+#endif
+ ip->init.util.ts = ERTS_ALC_MTA_BINARY;
+}
+
+static void
+set_default_ets_alloc_opts(struct au_init *ip)
+{
+ SET_DEFAULT_ALLOC_OPTS(ip);
+ ip->enable = AU_ALLOC_DEFAULT_ENABLE(1);
+ ip->thr_spec = 1;
+ ip->atype = BESTFIT;
+ ip->init.util.mmmbc = 100;
+ ip->init.util.name_prefix = "ets_";
+ ip->init.util.alloc_no = ERTS_ALC_A_ETS;
+#ifndef SMALL_MEMORY
+ ip->init.util.mmbcs = 128*1024; /* Main carrier size */
+#else
+ ip->init.util.mmbcs = 32*1024; /* Main carrier size */
+#endif
+ ip->init.util.ts = ERTS_ALC_MTA_ETS;
+}
+
+static void
+set_default_driver_alloc_opts(struct au_init *ip)
+{
+ SET_DEFAULT_ALLOC_OPTS(ip);
+ ip->enable = AU_ALLOC_DEFAULT_ENABLE(1);
+ ip->thr_spec = 1;
+ ip->atype = BESTFIT;
+ ip->init.util.name_prefix = "driver_";
+ ip->init.util.alloc_no = ERTS_ALC_A_DRIVER;
+#ifndef SMALL_MEMORY
+ ip->init.util.mmbcs = 128*1024; /* Main carrier size */
+#else
+ ip->init.util.mmbcs = 32*1024; /* Main carrier size */
+#endif
+ ip->init.util.ts = ERTS_ALC_MTA_DRIVER;
+}
+
+#ifdef ERTS_SMP
+
+static void
+adjust_tpref(struct au_init *ip, int no_sched)
+{
+ if (ip->thr_spec) {
+ Uint allocs;
+ if (ip->thr_spec < 0) {/* User specified amount */
+ allocs = abs(ip->thr_spec);
+ if (allocs > no_sched)
+ allocs = no_sched;
+ }
+ else if (no_sched > ERTS_ALC_DEFAULT_MAX_THR_PREF)
+ allocs = ERTS_ALC_DEFAULT_MAX_THR_PREF;
+ else
+ allocs = no_sched;
+ if (allocs <= 1)
+ ip->thr_spec = 0;
+ else {
+ ip->thr_spec = (int) allocs;
+ ip->thr_spec *= -1; /* thread preferred */
+
+ /* If default ... */
+
+ /* ... shrink main multi-block carrier size */
+ if (ip->default_.mmbcs)
+ ip->init.util.mmbcs /= ERTS_MIN(4, allocs);
+ /* ... shrink largest multi-block carrier size */
+ if (ip->default_.lmbcs)
+ ip->init.util.lmbcs /= ERTS_MIN(2, allocs);
+ /* ... shrink smallest multi-block carrier size */
+ if (ip->default_.smbcs)
+ ip->init.util.smbcs /= ERTS_MIN(4, allocs);
+ /* ... and more than three allocators shrink
+ max mseg multi-block carriers */
+ if (ip->default_.mmmbc && allocs > 2) {
+ ip->init.util.mmmbc /= ERTS_MIN(4, allocs - 1);
+ if (ip->init.util.mmmbc < 3)
+ ip->init.util.mmmbc = 3;
+ }
+ }
+ }
+}
+
+#endif
+
+static void handle_args(int *, char **, erts_alc_hndl_args_init_t *);
+
+static void
+set_au_allocator(ErtsAlcType_t alctr_n, struct au_init *init);
+
+static void
+start_au_allocator(ErtsAlcType_t alctr_n,
+ struct au_init *init,
+ ErtsAllocatorState_t *state);
+
+static void
+refuse_af_strategy(struct au_init *init)
+{
+ if (init->atype == AFIT)
+ init->atype = GOODFIT;
+}
+
+static void init_thr_ix(int static_ixs);
+
+void
+erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop)
+{
+ Uint extra_block_size = 0;
+ int i;
+ erts_alc_hndl_args_init_t init = {
+ 0,
+#if HAVE_ERTS_MSEG
+ ERTS_MSEG_INIT_DEFAULT_INITIALIZER,
+#endif
+ ERTS_DEFAULT_TRIM_THRESHOLD,
+ ERTS_DEFAULT_TOP_PAD,
+ ERTS_DEFAULT_ALCU_INIT
+ };
+
+ erts_sys_alloc_init();
+ init_thr_ix(erts_no_schedulers);
+ erts_init_utils_mem();
+
+ set_default_sl_alloc_opts(&init.sl_alloc);
+ set_default_std_alloc_opts(&init.std_alloc);
+ set_default_ll_alloc_opts(&init.ll_alloc);
+ set_default_temp_alloc_opts(&init.temp_alloc);
+ set_default_eheap_alloc_opts(&init.eheap_alloc);
+ set_default_binary_alloc_opts(&init.binary_alloc);
+ set_default_ets_alloc_opts(&init.ets_alloc);
+ set_default_driver_alloc_opts(&init.driver_alloc);
+
+ if (argc && argv)
+ handle_args(argc, argv, &init);
+
+ if (erts_no_schedulers <= 1) {
+ init.sl_alloc.thr_spec = 0;
+ init.std_alloc.thr_spec = 0;
+ init.ll_alloc.thr_spec = 0;
+ init.eheap_alloc.thr_spec = 0;
+ init.binary_alloc.thr_spec = 0;
+ init.ets_alloc.thr_spec = 0;
+ init.driver_alloc.thr_spec = 0;
+ }
+
+ if (init.erts_alloc_config) {
+ /* Adjust flags that erts_alloc_config won't like */
+ init.temp_alloc.thr_spec = 0;
+ init.sl_alloc.thr_spec = 0;
+ init.std_alloc.thr_spec = 0;
+ init.ll_alloc.thr_spec = 0;
+ init.eheap_alloc.thr_spec = 0;
+ init.binary_alloc.thr_spec = 0;
+ init.ets_alloc.thr_spec = 0;
+ init.driver_alloc.thr_spec = 0;
+ }
+
+#ifdef ERTS_SMP
+ /* Only temp_alloc can use thread specific interface */
+ if (init.temp_alloc.thr_spec)
+ init.temp_alloc.thr_spec = erts_no_schedulers;
+
+ /* Others must use thread preferred interface */
+ adjust_tpref(&init.sl_alloc, erts_no_schedulers);
+ adjust_tpref(&init.std_alloc, erts_no_schedulers);
+ adjust_tpref(&init.ll_alloc, erts_no_schedulers);
+ adjust_tpref(&init.eheap_alloc, erts_no_schedulers);
+ adjust_tpref(&init.binary_alloc, erts_no_schedulers);
+ adjust_tpref(&init.ets_alloc, erts_no_schedulers);
+ adjust_tpref(&init.driver_alloc, erts_no_schedulers);
+
+#else
+ /* No thread specific if not smp */
+ init.temp_alloc.thr_spec = 0;
+#endif
+
+ /*
+ * The following allocators cannot be run with afit strategy.
+ * Make sure they don't...
+ */
+ refuse_af_strategy(&init.sl_alloc);
+ refuse_af_strategy(&init.std_alloc);
+ refuse_af_strategy(&init.ll_alloc);
+ refuse_af_strategy(&init.eheap_alloc);
+ refuse_af_strategy(&init.binary_alloc);
+ refuse_af_strategy(&init.ets_alloc);
+ refuse_af_strategy(&init.driver_alloc);
+
+#ifdef ERTS_SMP
+ if (!init.temp_alloc.thr_spec)
+ refuse_af_strategy(&init.temp_alloc);
+#endif
+
+ erts_mtrace_pre_init();
+#if HAVE_ERTS_MSEG
+ erts_mseg_init(&init.mseg);
+#endif
+ erts_alcu_init(&init.alloc_util);
+ erts_afalc_init();
+ erts_bfalc_init();
+ erts_gfalc_init();
+
+ for (i = ERTS_ALC_A_MIN; i <= ERTS_ALC_A_MAX; i++) {
+ erts_allctrs[i].alloc = NULL;
+ erts_allctrs[i].realloc = NULL;
+ erts_allctrs[i].free = NULL;
+ erts_allctrs[i].extra = NULL;
+ erts_allctrs_info[i].alloc_util = 0;
+ erts_allctrs_info[i].enabled = 0;
+ erts_allctrs_info[i].thr_spec = 0;
+ erts_allctrs_info[i].extra = NULL;
+ }
+
+#ifdef ERTS_ALC_N_MIN_A_FIXED_SIZE
+#if !defined(PURIFY) && !defined(VALGRIND)
+ erts_allctrs[ERTS_ALC_A_FIXED_SIZE].alloc = erts_fix_alloc;
+ erts_allctrs[ERTS_ALC_A_FIXED_SIZE].realloc = erts_fix_realloc;
+ erts_allctrs[ERTS_ALC_A_FIXED_SIZE].free = erts_fix_free;
+ erts_allctrs_info[ERTS_ALC_A_FIXED_SIZE].enabled = 1;
+#else
+ erts_allctrs[ERTS_ALC_A_FIXED_SIZE].alloc = erts_sys_alloc;
+ erts_allctrs[ERTS_ALC_A_FIXED_SIZE].realloc = erts_sys_realloc;
+ erts_allctrs[ERTS_ALC_A_FIXED_SIZE].free = erts_sys_free;
+ erts_allctrs_info[ERTS_ALC_A_FIXED_SIZE].enabled = 0;
+#endif
+#endif
+
+ erts_allctrs[ERTS_ALC_A_SYSTEM].alloc = erts_sys_alloc;
+ erts_allctrs[ERTS_ALC_A_SYSTEM].realloc = erts_sys_realloc;
+ erts_allctrs[ERTS_ALC_A_SYSTEM].free = erts_sys_free;
+ erts_allctrs_info[ERTS_ALC_A_SYSTEM].enabled = 1;
+
+ set_au_allocator(ERTS_ALC_A_TEMPORARY, &init.temp_alloc);
+ set_au_allocator(ERTS_ALC_A_SHORT_LIVED, &init.sl_alloc);
+ set_au_allocator(ERTS_ALC_A_STANDARD, &init.std_alloc);
+ set_au_allocator(ERTS_ALC_A_LONG_LIVED, &init.ll_alloc);
+ set_au_allocator(ERTS_ALC_A_EHEAP, &init.eheap_alloc);
+ set_au_allocator(ERTS_ALC_A_BINARY, &init.binary_alloc);
+ set_au_allocator(ERTS_ALC_A_ETS, &init.ets_alloc);
+ set_au_allocator(ERTS_ALC_A_DRIVER, &init.driver_alloc);
+
+ for (i = ERTS_ALC_A_MIN; i <= ERTS_ALC_A_MAX; i++) {
+ if (!erts_allctrs[i].alloc)
+ erl_exit(ERTS_ABORT_EXIT,
+ "Missing alloc function for %s\n", ERTS_ALC_A2AD(i));
+ if (!erts_allctrs[i].realloc)
+ erl_exit(ERTS_ABORT_EXIT,
+ "Missing realloc function for %s\n", ERTS_ALC_A2AD(i));
+ if (!erts_allctrs[i].free)
+ erl_exit(ERTS_ABORT_EXIT,
+ "Missing free function for %s\n", ERTS_ALC_A2AD(i));
+ }
+
+ sys_alloc_opt(SYS_ALLOC_OPT_TRIM_THRESHOLD, init.trim_threshold);
+ sys_alloc_opt(SYS_ALLOC_OPT_TOP_PAD, init.top_pad);
+
+ if (erts_allctrs_info[ERTS_FIX_CORE_ALLOCATOR].enabled)
+ erts_fix_core_allocator_ix = ERTS_FIX_CORE_ALLOCATOR;
+ else
+ erts_fix_core_allocator_ix = ERTS_ALC_A_SYSTEM;
+
+ erts_mtrace_init(init.instr.mtrace, init.instr.nodename);
+
+ start_au_allocator(ERTS_ALC_A_TEMPORARY,
+ &init.temp_alloc,
+ &temp_alloc_state);
+
+ start_au_allocator(ERTS_ALC_A_SHORT_LIVED,
+ &init.sl_alloc,
+ &sl_alloc_state);
+
+ start_au_allocator(ERTS_ALC_A_STANDARD,
+ &init.std_alloc,
+ &std_alloc_state);
+
+ start_au_allocator(ERTS_ALC_A_LONG_LIVED,
+ &init.ll_alloc,
+ &ll_alloc_state);
+
+ start_au_allocator(ERTS_ALC_A_EHEAP,
+ &init.eheap_alloc,
+ &eheap_alloc_state);
+
+ start_au_allocator(ERTS_ALC_A_BINARY,
+ &init.binary_alloc,
+ &binary_alloc_state);
+
+ start_au_allocator(ERTS_ALC_A_ETS,
+ &init.ets_alloc,
+ &ets_alloc_state);
+
+ start_au_allocator(ERTS_ALC_A_DRIVER,
+ &init.driver_alloc,
+ &driver_alloc_state);
+
+ fix_core_allocator = erts_allctrs[erts_fix_core_allocator_ix].alloc;
+ fix_core_extra = erts_allctrs[erts_fix_core_allocator_ix].extra;
+
+ erts_mtrace_install_wrapper_functions();
+ extra_block_size += erts_instr_init(init.instr.stat, init.instr.map);
+
+#ifdef DEBUG
+ extra_block_size += install_debug_functions();
+#endif
+
+#ifdef ERTS_ALC_N_MIN_A_FIXED_SIZE
+
+ erts_init_fix_alloc(extra_block_size, fix_core_alloc);
+
+
+#if !defined(PURIFY) && !defined(VALGRIND)
+ erts_set_fix_size(ERTS_ALC_T_PROC, sizeof(Process));
+ erts_set_fix_size(ERTS_ALC_T_DB_TABLE, sizeof(DbTable));
+ erts_set_fix_size(ERTS_ALC_T_ATOM, sizeof(Atom));
+ erts_set_fix_size(ERTS_ALC_T_EXPORT, sizeof(Export));
+ erts_set_fix_size(ERTS_ALC_T_MODULE, sizeof(Module));
+ erts_set_fix_size(ERTS_ALC_T_REG_PROC, sizeof(RegProc));
+ erts_set_fix_size(ERTS_ALC_T_MONITOR_SH, ERTS_MONITOR_SH_SIZE*sizeof(Uint));
+ erts_set_fix_size(ERTS_ALC_T_NLINK_SH, ERTS_LINK_SH_SIZE*sizeof(Uint));
+ erts_set_fix_size(ERTS_ALC_T_FUN_ENTRY, sizeof(ErlFunEntry));
+#ifdef ERTS_ALC_T_DRV_EV_D_STATE
+ erts_set_fix_size(ERTS_ALC_T_DRV_EV_D_STATE,
+ sizeof(ErtsDrvEventDataState));
+#endif
+#ifdef ERTS_ALC_T_DRV_SEL_D_STATE
+ erts_set_fix_size(ERTS_ALC_T_DRV_SEL_D_STATE,
+ sizeof(ErtsDrvSelectDataState));
+#endif
+#endif
+#endif
+
+}
+
+static void
+set_au_allocator(ErtsAlcType_t alctr_n, struct au_init *init)
+{
+ ErtsAllocatorFunctions_t *af = &erts_allctrs[alctr_n];
+ ErtsAllocatorInfo_t *ai = &erts_allctrs_info[alctr_n];
+ ErtsAllocatorThrSpec_t *tspec = &erts_allctr_thr_spec[alctr_n];
+
+ if (!init->enable) {
+ af->alloc = erts_sys_alloc;
+ af->realloc = erts_sys_realloc;
+ af->free = erts_sys_free;
+ af->extra = NULL;
+ ai->alloc_util = 0;
+ ai->enabled = 0;
+ ai->extra = NULL;
+ return;
+ }
+
+ tspec->enabled = 0;
+ tspec->all_thr_safe = 0;
+ ai->thr_spec = 0;
+#ifdef USE_THREADS
+ if (init->thr_spec) {
+ if (init->thr_spec > 0) {
+ af->alloc = erts_alcu_alloc_thr_spec;
+ if (init->init.util.ramv)
+ af->realloc = erts_alcu_realloc_mv_thr_spec;
+ else
+ af->realloc = erts_alcu_realloc_thr_spec;
+ af->free = erts_alcu_free_thr_spec;
+ }
+ else {
+ af->alloc = erts_alcu_alloc_thr_pref;
+ if (init->init.util.ramv)
+ af->realloc = erts_alcu_realloc_mv_thr_pref;
+ else
+ af->realloc = erts_alcu_realloc_thr_pref;
+ af->free = erts_alcu_free_thr_pref;
+ tspec->all_thr_safe = 1;
+ }
+
+ tspec->enabled = 1;
+ tspec->size = abs(init->thr_spec) + 1;
+
+ ai->thr_spec = tspec->size;
+ }
+ else if (init->init.util.ts) {
+ af->alloc = erts_alcu_alloc_ts;
+ if (init->init.util.ramv)
+ af->realloc = erts_alcu_realloc_mv_ts;
+ else
+ af->realloc = erts_alcu_realloc_ts;
+ af->free = erts_alcu_free_ts;
+ }
+ else
+#endif
+ {
+ af->alloc = erts_alcu_alloc;
+ if (init->init.util.ramv)
+ af->realloc = erts_alcu_realloc_mv;
+ else
+ af->realloc = erts_alcu_realloc;
+ af->free = erts_alcu_free;
+ }
+ af->extra = NULL;
+ ai->alloc_util = 1;
+ ai->enabled = 1;
+}
+
+static void
+start_au_allocator(ErtsAlcType_t alctr_n,
+ struct au_init *init,
+ ErtsAllocatorState_t *state)
+{
+ int i;
+ int size = 1;
+ void *as0;
+ enum allctr_type atype;
+ ErtsAllocatorFunctions_t *af = &erts_allctrs[alctr_n];
+ ErtsAllocatorInfo_t *ai = &erts_allctrs_info[alctr_n];
+ ErtsAllocatorThrSpec_t *tspec = &erts_allctr_thr_spec[alctr_n];
+
+ if (!init->enable)
+ return;
+
+ if (init->thr_spec) {
+ void *states = erts_sys_alloc(0,
+ NULL,
+ ((sizeof(Allctr_t *)
+ * (tspec->size + 1))
+ + (sizeof(ErtsAllocatorState_t)
+ * tspec->size)
+ + ERTS_CACHE_LINE_SIZE - 1));
+ if (!states)
+ erl_exit(ERTS_ABORT_EXIT,
+ "Failed to allocate allocator states for %salloc\n",
+ init->init.util.name_prefix);
+ tspec->allctr = (Allctr_t **) states;
+ states = ((char *) states) + sizeof(Allctr_t *) * (tspec->size + 1);
+ states = ((((Uint) states) & ERTS_CACHE_LINE_MASK)
+ ? (void *) ((((Uint) states) & ~ERTS_CACHE_LINE_MASK)
+ + ERTS_CACHE_LINE_SIZE)
+ : (void *) states);
+ tspec->allctr[0] = init->thr_spec > 0 ? (Allctr_t *) state : (Allctr_t *) NULL;
+ size = tspec->size;
+ for (i = 1; i < size; i++)
+ tspec->allctr[i] = (Allctr_t *)
+ &((ErtsAllocatorState_t *) states)[i-1];
+ }
+
+ for (i = 0; i < size; i++) {
+ void *as;
+ atype = init->atype;
+
+ if (!init->thr_spec)
+ as0 = state;
+ else {
+ as0 = (void *) tspec->allctr[i];
+ if (!as0)
+ continue;
+ if (i == 0) {
+ if (atype == AFIT)
+ atype = GOODFIT;
+ init->init.util.ts = 1;
+ }
+ else {
+ if (init->thr_spec < 0) {
+ init->init.util.ts = 1;
+ init->init.util.tspec = 0;
+ init->init.util.tpref = -1*init->thr_spec;
+ }
+ else {
+ init->init.util.ts = 0;
+ init->init.util.tspec = init->thr_spec + 1;
+ init->init.util.tpref = 0;
+ }
+ }
+ }
+
+ switch (atype) {
+ case GOODFIT:
+ as = (void *) erts_gfalc_start((GFAllctr_t *) as0,
+ &init->init.gf,
+ &init->init.util);
+ break;
+ case BESTFIT:
+ as = (void *) erts_bfalc_start((BFAllctr_t *) as0,
+ &init->init.bf,
+ &init->init.util);
+ break;
+ case AFIT:
+ as = (void *) erts_afalc_start((AFAllctr_t *) as0,
+ &init->init.af,
+ &init->init.util);
+ break;
+ default:
+ as = NULL;
+ ASSERT(0);
+ }
+
+ if (!as)
+ erl_exit(ERTS_ABORT_EXIT,
+ "Failed to start %salloc\n", init->init.util.name_prefix);
+
+ ASSERT(as == (void *) as0);
+ af->extra = as;
+ }
+
+ if (init->thr_spec) {
+ af->extra = tspec;
+ init->init.util.ts = 1;
+ }
+
+ ai->extra = af->extra;
+}
+
+
+static void bad_param(char *param_start, char *param_end)
+{
+ size_t len = param_end - param_start;
+ char param[100];
+ if (len > 99)
+ len = 99;
+ sys_memcpy((void *) param, (void *) param_start, len);
+ param[len] = '\0';
+ erts_fprintf(stderr, "bad \"%s\" parameter\n", param);
+ erts_usage();
+}
+
+static void bad_value(char *param_start, char *param_end, char *value)
+{
+ size_t len = param_end - param_start;
+ char param[100];
+ if (len > 99)
+ len = 99;
+ sys_memcpy((void *) param, (void *) param_start, len);
+ param[len] = '\0';
+ erts_fprintf(stderr, "bad \"%s\" value: %s\n", param, value);
+ erts_usage();
+}
+
+/* Get arg marks argument as handled by
+ putting NULL in argv */
+static char *
+get_value(char* rest, char** argv, int* ip)
+{
+ char *param = argv[*ip]+1;
+ argv[*ip] = NULL;
+ if (*rest == '\0') {
+ char *next = argv[*ip + 1];
+ if (next[0] == '-'
+ && next[1] == '-'
+ && next[2] == '\0') {
+ bad_value(param, rest, "");
+ }
+ (*ip)++;
+ argv[*ip] = NULL;
+ return next;
+ }
+ return rest;
+}
+
+static ERTS_INLINE int
+has_prefix(const char *prefix, const char *string)
+{
+ int i;
+ for (i = 0; prefix[i]; i++)
+ if (prefix[i] != string[i])
+ return 0;
+ return 1;
+}
+
+static int
+get_bool_value(char *param_end, char** argv, int* ip)
+{
+ char *param = argv[*ip]+1;
+ char *value = get_value(param_end, argv, ip);
+ if (strcmp(value, "true") == 0)
+ return 1;
+ else if (strcmp(value, "false") == 0)
+ return 0;
+ else
+ bad_value(param, param_end, value);
+ return -1;
+}
+
+static Uint
+get_kb_value(char *param_end, char** argv, int* ip)
+{
+ Sint tmp;
+ Uint max = ((~((Uint) 0))/1024) + 1;
+ char *rest;
+ char *param = argv[*ip]+1;
+ char *value = get_value(param_end, argv, ip);
+ errno = 0;
+ tmp = (Sint) strtol(value, &rest, 10);
+ if (errno != 0 || rest == value || tmp < 0 || max < ((Uint) tmp))
+ bad_value(param, param_end, value);
+ if (max == (Uint) tmp)
+ return ~((Uint) 0);
+ else
+ return ((Uint) tmp)*1024;
+}
+
+static Uint
+get_amount_value(char *param_end, char** argv, int* ip)
+{
+ Sint tmp;
+ char *rest;
+ char *param = argv[*ip]+1;
+ char *value = get_value(param_end, argv, ip);
+ errno = 0;
+ tmp = (Sint) strtol(value, &rest, 10);
+ if (errno != 0 || rest == value || tmp < 0)
+ bad_value(param, param_end, value);
+ return (Uint) tmp;
+}
+
+static int
+get_bool_or_possitive_amount_value(int *bool, Uint *amount,
+ char *param_end, char** argv, int* ip)
+{
+ char *param = argv[*ip]+1;
+ char *value = get_value(param_end, argv, ip);
+ if (strcmp(value, "true") == 0) {
+ *bool = 1;
+ return 1;
+ }
+ else if (strcmp(value, "false") == 0) {
+ *bool = 0;
+ return 1;
+ }
+ else {
+ Sint tmp;
+ char *rest;
+ errno = 0;
+ tmp = (Sint) strtol(value, &rest, 10);
+ if (errno != 0 || rest == value || tmp <= 0) {
+ bad_value(param, param_end, value);
+ return -1;
+ }
+ *amount = (Uint) tmp;
+ return 0;
+ }
+}
+
+static void
+handle_au_arg(struct au_init *auip,
+ char* sub_param,
+ char** argv,
+ int* ip)
+{
+ char *param = argv[*ip]+1;
+
+ switch (sub_param[0]) {
+ case 'a':
+ if(has_prefix("asbcst", sub_param)) {
+ auip->init.util.asbcst = get_kb_value(sub_param + 6, argv, ip);
+ }
+ else if(has_prefix("as", sub_param)) {
+ char *alg = get_value(sub_param + 2, argv, ip);
+ if (strcmp("bf", alg) == 0) {
+ auip->atype = BESTFIT;
+ auip->init.bf.ao = 0;
+ }
+ else if (strcmp("aobf", alg) == 0) {
+ auip->atype = BESTFIT;
+ auip->init.bf.ao = 1;
+ }
+ else if (strcmp("gf", alg) == 0) {
+ auip->atype = GOODFIT;
+ }
+ else if (strcmp("af", alg) == 0) {
+ auip->atype = AFIT;
+ }
+ else {
+ bad_value(param, sub_param + 1, alg);
+ }
+ }
+ else
+ goto bad_switch;
+ break;
+ case 'e':
+ auip->enable = get_bool_value(sub_param+1, argv, ip);
+ break;
+ case 'l':
+ if (has_prefix("lmbcs", sub_param)) {
+ auip->default_.lmbcs = 0;
+ auip->init.util.lmbcs = get_kb_value(sub_param + 5, argv, ip);
+ }
+ else
+ goto bad_switch;
+ break;
+ case 'm':
+ if (has_prefix("mbcgs", sub_param)) {
+ auip->init.util.mbcgs = get_amount_value(sub_param + 5, argv, ip);
+
+ }
+ else if (has_prefix("mbsd", sub_param)) {
+ auip->init.gf.mbsd = get_amount_value(sub_param + 4, argv, ip);
+ if (auip->init.gf.mbsd < 1)
+ auip->init.gf.mbsd = 1;
+ }
+ else if (has_prefix("mmbcs", sub_param)) {
+ auip->default_.mmbcs = 0;
+ auip->init.util.mmbcs = get_kb_value(sub_param + 5, argv, ip);
+ }
+ else if (has_prefix("mmmbc", sub_param)) {
+ auip->default_.mmmbc = 0;
+ auip->init.util.mmmbc = get_amount_value(sub_param + 5, argv, ip);
+ }
+ else if (has_prefix("mmsbc", sub_param)) {
+ auip->init.util.mmsbc = get_amount_value(sub_param + 5, argv, ip);
+ }
+ else
+ goto bad_switch;
+ break;
+ case 'r':
+ if(has_prefix("rsbcmt", sub_param)) {
+ auip->init.util.rsbcmt = get_amount_value(sub_param + 6, argv, ip);
+ if (auip->init.util.rsbcmt > 100)
+ auip->init.util.rsbcmt = 100;
+ }
+ else if(has_prefix("rsbcst", sub_param)) {
+ auip->init.util.rsbcst = get_amount_value(sub_param + 6, argv, ip);
+ if (auip->init.util.rsbcst > 100)
+ auip->init.util.rsbcst = 100;
+ }
+ else if (has_prefix("rmbcmt", sub_param)) {
+ auip->init.util.rmbcmt = get_amount_value(sub_param + 6, argv, ip);
+ if (auip->init.util.rmbcmt > 100)
+ auip->init.util.rmbcmt = 100;
+ }
+ else if (has_prefix("ramv", sub_param)) {
+ auip->init.util.ramv = get_bool_value(sub_param + 4, argv, ip);
+ }
+ else
+ goto bad_switch;
+ break;
+ case 's':
+ if(has_prefix("sbct", sub_param)) {
+ auip->init.util.sbct = get_kb_value(sub_param + 4, argv, ip);
+ }
+ else if (has_prefix("smbcs", sub_param)) {
+ auip->default_.smbcs = 0;
+ auip->init.util.smbcs = get_kb_value(sub_param + 5, argv, ip);
+ }
+ else
+ goto bad_switch;
+ break;
+ case 't': {
+ Uint no;
+ int enable;
+ int res = get_bool_or_possitive_amount_value(&enable,
+ &no,
+ sub_param+1,
+ argv,
+ ip);
+ if (res > 0)
+ auip->thr_spec = enable ? 1 : 0;
+ else if (res == 0) {
+ int allocs = (int) no;
+ if (allocs < 0)
+ allocs = INT_MIN;
+ else {
+ allocs *= -1;
+ }
+ auip->thr_spec = allocs;
+ }
+ break;
+ }
+ default:
+ bad_switch:
+ bad_param(param, sub_param);
+ }
+}
+
+static void
+handle_args(int *argc, char **argv, erts_alc_hndl_args_init_t *init)
+{
+ struct au_init *aui[] = {
+ &init->binary_alloc,
+ &init->std_alloc,
+ &init->ets_alloc,
+ &init->eheap_alloc,
+ &init->ll_alloc,
+ &init->driver_alloc,
+ &init->sl_alloc,
+ &init->temp_alloc
+ };
+ int aui_sz = (int) sizeof(aui)/sizeof(aui[0]);
+ char *arg;
+ char *rest;
+ int i, j;
+
+ i = 1;
+
+ ASSERT(argc && argv && init);
+
+ while (i < *argc) {
+ if(argv[i][0] == '-') {
+ char *param = argv[i]+1;
+ switch (argv[i][1]) {
+ case 'M':
+ switch (argv[i][2]) {
+ case 'B':
+ handle_au_arg(&init->binary_alloc, &argv[i][3], argv, &i);
+ break;
+ case 'D':
+ handle_au_arg(&init->std_alloc, &argv[i][3], argv, &i);
+ break;
+ case 'E':
+ handle_au_arg(&init->ets_alloc, &argv[i][3], argv, &i);
+ break;
+ case 'F': /* fix_alloc */
+ if (has_prefix("e", param+2)) {
+ arg = get_value(param+3, argv, &i);
+ if (strcmp("true", arg) != 0)
+ bad_value(param, param+3, arg);
+ }
+ else
+ bad_param(param, param+2);
+ break;
+ case 'H':
+ handle_au_arg(&init->eheap_alloc, &argv[i][3], argv, &i);
+ break;
+ case 'L':
+ handle_au_arg(&init->ll_alloc, &argv[i][3], argv, &i);
+ break;
+ case 'M':
+ if (has_prefix("amcbf", argv[i]+3)) {
+#if HAVE_ERTS_MSEG
+ init->mseg.amcbf =
+#endif
+ get_kb_value(argv[i]+8, argv, &i);
+ }
+ else if (has_prefix("rmcbf", argv[i]+3)) {
+#if HAVE_ERTS_MSEG
+ init->mseg.rmcbf =
+#endif
+ get_amount_value(argv[i]+8, argv, &i);
+ }
+ else if (has_prefix("mcs", argv[i]+3)) {
+#if HAVE_ERTS_MSEG
+ init->mseg.mcs =
+#endif
+ get_amount_value(argv[i]+6, argv, &i);
+ }
+ else if (has_prefix("cci", argv[i]+3)) {
+#if HAVE_ERTS_MSEG
+ init->mseg.cci =
+#endif
+ get_amount_value(argv[i]+6, argv, &i);
+ }
+ else {
+ bad_param(param, param+2);
+ }
+ break;
+ case 'R':
+ handle_au_arg(&init->driver_alloc, &argv[i][3], argv, &i);
+ break;
+ case 'S':
+ handle_au_arg(&init->sl_alloc, &argv[i][3], argv, &i);
+ break;
+ case 'T':
+ handle_au_arg(&init->temp_alloc, &argv[i][3], argv, &i);
+ break;
+ case 'Y': { /* sys_alloc */
+ if (has_prefix("tt", param+2)) {
+ /* set trim threshold */
+ arg = get_value(param+4, argv, &i);
+ errno = 0;
+ init->trim_threshold = (int) strtol(arg, &rest, 10);
+ if (errno != 0
+ || rest == arg
+ || init->trim_threshold < 0
+ || (INT_MAX/1024) < init->trim_threshold) {
+ bad_value(param, param+4, arg);
+ }
+ VERBOSE(DEBUG_SYSTEM,
+ ("using trim threshold: %d\n",
+ init->trim_threshold));
+ init->trim_threshold *= 1024;
+ }
+ else if (has_prefix("tp", param+2)) {
+ /* set top pad */
+ arg = get_value(param+4, argv, &i);
+ errno = 0;
+ init->top_pad = (int) strtol(arg, &rest, 10);
+ if (errno != 0
+ || rest == arg
+ || init->top_pad < 0
+ || (INT_MAX/1024) < init->top_pad) {
+ bad_value(param, param+4, arg);
+ }
+ VERBOSE(DEBUG_SYSTEM,
+ ("using top pad: %d\n",init->top_pad));
+ init->top_pad *= 1024;
+ }
+ else if (has_prefix("m", param+2)) {
+ /* Has been handled by erlexec */
+ (void) get_value(param+3, argv, &i);
+ }
+ else if (has_prefix("e", param+2)) {
+ arg = get_value(param+3, argv, &i);
+ if (strcmp("true", arg) != 0)
+ bad_value(param, param+3, arg);
+ }
+ else
+ bad_param(param, param+2);
+ break;
+ }
+ case 'e':
+ switch (argv[i][3]) {
+ case 'a': {
+ int a;
+ arg = get_value(argv[i]+4, argv, &i);
+ if (strcmp("min", arg) == 0) {
+ for (a = 0; a < aui_sz; a++)
+ aui[a]->enable = 0;
+ }
+ else if (strcmp("max", arg) == 0) {
+ for (a = 0; a < aui_sz; a++)
+ aui[a]->enable = 1;
+ }
+ else if (strcmp("config", arg) == 0) {
+ init->erts_alloc_config = 1;
+ }
+ else if (strcmp("r9c", arg) == 0
+ || strcmp("r10b", arg) == 0
+ || strcmp("r11b", arg) == 0) {
+ set_default_sl_alloc_opts(&init->sl_alloc);
+ set_default_std_alloc_opts(&init->std_alloc);
+ set_default_ll_alloc_opts(&init->ll_alloc);
+ set_default_temp_alloc_opts(&init->temp_alloc);
+ set_default_eheap_alloc_opts(&init->eheap_alloc);
+ set_default_binary_alloc_opts(&init->binary_alloc);
+ set_default_ets_alloc_opts(&init->ets_alloc);
+ set_default_driver_alloc_opts(&init->driver_alloc);
+
+ init->driver_alloc.enable = 0;
+ if (strcmp("r9c", arg) == 0) {
+ init->sl_alloc.enable = 0;
+ init->std_alloc.enable = 0;
+ init->binary_alloc.enable = 0;
+ init->ets_alloc.enable = 0;
+ }
+
+ for (a = 0; a < aui_sz; a++) {
+ aui[a]->thr_spec = 0;
+ aui[a]->init.util.ramv = 0;
+ aui[a]->init.util.mmmbc = 10;
+ aui[a]->init.util.lmbcs = 5*1024*1024;
+ }
+ }
+ else {
+ bad_param(param, param+3);
+ }
+ break;
+ }
+ default:
+ bad_param(param, param+1);
+ }
+ break;
+ case 'i':
+ switch (argv[i][3]) {
+ case 's':
+ arg = get_value(argv[i]+4, argv, &i);
+ if (strcmp("true", arg) == 0)
+ init->instr.stat = 1;
+ else if (strcmp("false", arg) == 0)
+ init->instr.stat = 0;
+ else
+ bad_value(param, param+3, arg);
+ break;
+ case 'm':
+ arg = get_value(argv[i]+4, argv, &i);
+ if (strcmp("true", arg) == 0)
+ init->instr.map = 1;
+ else if (strcmp("false", arg) == 0)
+ init->instr.map = 0;
+ else
+ bad_value(param, param+3, arg);
+ break;
+ case 't':
+ init->instr.mtrace = get_value(argv[i]+4, argv, &i);
+ break;
+ default:
+ bad_param(param, param+2);
+ }
+ break;
+ case 'u':
+ if (has_prefix("ycs", argv[i]+3)) {
+ init->alloc_util.ycs
+ = get_kb_value(argv[i]+6, argv, &i);
+ }
+ else if (has_prefix("mmc", argv[i]+3)) {
+ init->alloc_util.mmc
+ = get_amount_value(argv[i]+6, argv, &i);
+ }
+ else {
+ int a;
+ int start = i;
+ char *param = argv[i];
+ char *val = i+1 < *argc ? argv[i+1] : NULL;
+
+ for (a = 0; a < aui_sz; a++) {
+ if (a > 0) {
+ ASSERT(i == start || i == start+1);
+ argv[start] = param;
+ if (i != start)
+ argv[start + 1] = val;
+ i = start;
+ }
+ handle_au_arg(aui[a], &argv[i][3], argv, &i);
+ }
+ }
+ break;
+ default:
+ bad_param(param, param+1);
+ }
+ break;
+ case '-':
+ if (argv[i][2] == '\0') {
+ /* End of system flags reached */
+ if (init->instr.mtrace
+ /* || init->instr.stat
+ || init->instr.map */) {
+ while (i < *argc) {
+ if(strcmp(argv[i], "-sname") == 0
+ || strcmp(argv[i], "-name") == 0) {
+ if (i + 1 <*argc) {
+ init->instr.nodename = argv[i+1];
+ break;
+ }
+ }
+ i++;
+ }
+ }
+ goto args_parsed;
+ }
+ break;
+ default:
+ break;
+ }
+ }
+ i++;
+ }
+
+ args_parsed:
+ /* Handled arguments have been marked with NULL. Slide arguments
+ not handled towards the beginning of argv. */
+ for (i = 0, j = 0; i < *argc; i++) {
+ if (argv[i])
+ argv[j++] = argv[i];
+ }
+ *argc = j;
+
+}
+
+static char *type_no_str(ErtsAlcType_t n)
+{
+
+#if ERTS_ALC_N_MIN != 0
+ if (n < ERTS_ALC_N_MIN)
+ return NULL;
+#endif
+ if (n > ERTS_ALC_N_MAX)
+ return NULL;
+ return (char *) ERTS_ALC_N2TD(n);
+}
+
+#define type_str(T) type_no_str(ERTS_ALC_T2N((T)))
+
+erts_tsd_key_t thr_ix_key;
+erts_spinlock_t alloc_thr_ix_lock;
+int last_thr_ix;
+int first_dyn_thr_ix;
+
+static void
+init_thr_ix(int static_ixs)
+{
+ erts_tsd_key_create(&thr_ix_key);
+ erts_spinlock_init(&alloc_thr_ix_lock, "alloc_thr_ix_lock");
+ last_thr_ix = -4711;
+ first_dyn_thr_ix = static_ixs+1;
+}
+
+int
+erts_alc_get_thr_ix(void)
+{
+ int ix = (int)(long) erts_tsd_get(thr_ix_key);
+ if (ix == 0) {
+ erts_spin_lock(&alloc_thr_ix_lock);
+ last_thr_ix++;
+ if (last_thr_ix < 0)
+ last_thr_ix = first_dyn_thr_ix;
+ ix = last_thr_ix;
+ erts_spin_unlock(&alloc_thr_ix_lock);
+ erts_tsd_set(thr_ix_key, (void *)(long) ix);
+ }
+ ASSERT(ix > 0);
+ return ix;
+}
+
+void erts_alloc_reg_scheduler_id(Uint id)
+{
+ int ix = (int) id;
+ ASSERT(0 < ix && ix <= first_dyn_thr_ix);
+ ASSERT(0 == (int) (long) erts_tsd_get(thr_ix_key));
+ erts_tsd_set(thr_ix_key, (void *)(long) ix);
+}
+
+__decl_noreturn void
+erts_alc_fatal_error(int error, int func, ErtsAlcType_t n, ...)
+{
+ char buf[10];
+ char *t_str;
+ char *allctr_str;
+
+ ASSERT(n >= ERTS_ALC_N_MIN);
+ ASSERT(n <= ERTS_ALC_N_MAX);
+
+
+ if (n < ERTS_ALC_N_MIN || ERTS_ALC_N_MAX < n)
+ allctr_str = "UNKNOWN";
+ else {
+ ErtsAlcType_t a = ERTS_ALC_T2A(ERTS_ALC_N2T(n));
+ if (erts_allctrs_info[a].enabled)
+ allctr_str = (char *) ERTS_ALC_A2AD(a);
+ else
+ allctr_str = (char *) ERTS_ALC_A2AD(ERTS_ALC_A_SYSTEM);
+ }
+
+ t_str = type_no_str(n);
+ if (!t_str) {
+ sprintf(buf, "%d", (int) n);
+ t_str = buf;
+ }
+
+ switch (error) {
+ case ERTS_ALC_E_NOTSUP: {
+ char *op_str;
+ switch (func) {
+ case ERTS_ALC_O_ALLOC: op_str = "alloc"; break;
+ case ERTS_ALC_O_REALLOC: op_str = "realloc"; break;
+ case ERTS_ALC_O_FREE: op_str = "free"; break;
+ default: op_str = "UNKNOWN"; break;
+ }
+ erl_exit(ERTS_ABORT_EXIT,
+ "%s: %s operation not supported (memory type: \"%s\")\n",
+ allctr_str, op_str, t_str);
+ break;
+ }
+ case ERTS_ALC_E_NOMEM: {
+ Uint size;
+ va_list argp;
+ char *op = func == ERTS_ALC_O_REALLOC ? "reallocate" : "allocate";
+
+
+ va_start(argp, n);
+ size = va_arg(argp, Uint);
+ va_end(argp);
+ erl_exit(1,
+ "%s: Cannot %s %lu bytes of memory (of type \"%s\").\n",
+ allctr_str, op, size, t_str);
+ break;
+ }
+ case ERTS_ALC_E_NOALLCTR:
+ erl_exit(ERTS_ABORT_EXIT,
+ "erts_alloc: Unknown allocator type: %d\n",
+ ERTS_ALC_T2A(ERTS_ALC_N2T(n)));
+ break;
+ default:
+ erl_exit(ERTS_ABORT_EXIT, "erts_alloc: Unknown error: %d\n", error);
+ break;
+ }
+}
+
+__decl_noreturn void
+erts_alloc_enomem(ErtsAlcType_t type, Uint size)
+{
+ erts_alloc_n_enomem(ERTS_ALC_T2N(type), size);
+}
+
+__decl_noreturn void
+erts_alloc_n_enomem(ErtsAlcType_t n, Uint size)
+{
+ erts_alc_fatal_error(ERTS_ALC_E_NOMEM, ERTS_ALC_O_ALLOC, n, size);
+}
+
+__decl_noreturn void
+erts_realloc_enomem(ErtsAlcType_t type, void *ptr, Uint size)
+{
+ erts_realloc_n_enomem(ERTS_ALC_T2N(type), ptr, size);
+}
+
+__decl_noreturn void
+erts_realloc_n_enomem(ErtsAlcType_t n, void *ptr, Uint size)
+{
+ erts_alc_fatal_error(ERTS_ALC_E_NOMEM, ERTS_ALC_O_REALLOC, n, size);
+}
+
+static ERTS_INLINE Uint
+alcu_size(ErtsAlcType_t ai)
+{
+ Uint res = 0;
+
+ ASSERT(erts_allctrs_info[ai].enabled);
+ ASSERT(erts_allctrs_info[ai].alloc_util);
+
+ if (!erts_allctrs_info[ai].thr_spec) {
+ Allctr_t *allctr = erts_allctrs_info[ai].extra;
+ AllctrSize_t asize;
+ erts_alcu_current_size(allctr, &asize);
+ res += asize.blocks;
+ }
+ else {
+ ErtsAllocatorThrSpec_t *tspec = &erts_allctr_thr_spec[ai];
+ int i;
+
+ ASSERT(tspec->all_thr_safe);
+
+ ASSERT(tspec->enabled);
+
+ for (i = tspec->size - 1; i >= 0; i--) {
+ Allctr_t *allctr = tspec->allctr[i];
+ AllctrSize_t asize;
+ if (allctr) {
+ erts_alcu_current_size(allctr, &asize);
+ res += asize.blocks;
+ }
+ }
+ }
+
+ return res;
+}
+
+Eterm
+erts_memory(int *print_to_p, void *print_to_arg, void *proc, Eterm earg)
+{
+#define ERTS_MEM_NEED_ALL_ALCU (!erts_instr_stat && want_tot_or_sys)
+ ErtsFixInfo efi;
+ struct {
+ int total;
+ int processes;
+ int processes_used;
+ int system;
+ int atom;
+ int atom_used;
+ int binary;
+ int code;
+ int ets;
+ int maximum;
+ } want = {0};
+ struct {
+ Uint total;
+ Uint processes;
+ Uint processes_used;
+ Uint system;
+ Uint atom;
+ Uint atom_used;
+ Uint binary;
+ Uint code;
+ Uint ets;
+ Uint maximum;
+ } size = {0};
+ Eterm atoms[sizeof(size)/sizeof(Uint)];
+ Uint *uintps[sizeof(size)/sizeof(Uint)];
+ Eterm euints[sizeof(size)/sizeof(Uint)];
+ int need_atom;
+ int want_tot_or_sys;
+ int length;
+ Eterm res = THE_NON_VALUE;
+ ErtsAlcType_t ai;
+ int only_one_value = 0;
+
+ /* Figure out whats wanted... */
+
+ length = 0;
+ if (is_non_value(earg)) { /* i.e. wants all */
+ want.total = 1;
+ atoms[length] = am_total;
+ uintps[length++] = &size.total;
+
+ want.processes = 1;
+ atoms[length] = am_processes;
+ uintps[length++] = &size.processes;
+
+ want.processes_used = 1;
+ atoms[length] = am_processes_used;
+ uintps[length++] = &size.processes_used;
+
+ want.system = 1;
+ atoms[length] = am_system;
+ uintps[length++] = &size.system;
+
+ want.atom = 1;
+ atoms[length] = am_atom;
+ uintps[length++] = &size.atom;
+
+ want.atom_used = 1;
+ atoms[length] = am_atom_used;
+ uintps[length++] = &size.atom_used;
+
+ want.binary = 1;
+ atoms[length] = am_binary;
+ uintps[length++] = &size.binary;
+
+ want.code = 1;
+ atoms[length] = am_code;
+ uintps[length++] = &size.code;
+
+ want.ets = 1;
+ atoms[length] = am_ets;
+ uintps[length++] = &size.ets;
+
+ want.maximum = erts_instr_stat;
+ if (want.maximum) {
+ atoms[length] = am_maximum;
+ uintps[length++] = &size.maximum;
+ }
+
+ }
+ else {
+ Eterm tmp_heap[2];
+ Eterm wanted_list;
+
+ if (is_nil(earg))
+ return NIL;
+
+ if (is_not_atom(earg))
+ wanted_list = earg;
+ else {
+ wanted_list = CONS(&tmp_heap[0], earg, NIL);
+ only_one_value = 1;
+ }
+
+ while (is_list(wanted_list)) {
+ switch (CAR(list_val(wanted_list))) {
+ case am_total:
+ if (!want.total) {
+ want.total = 1;
+ atoms[length] = am_total;
+ uintps[length++] = &size.total;
+ }
+ break;
+ case am_processes:
+ if (!want.processes) {
+ want.processes = 1;
+ atoms[length] = am_processes;
+ uintps[length++] = &size.processes;
+ }
+ break;
+ case am_processes_used:
+ if (!want.processes_used) {
+ want.processes_used = 1;
+ atoms[length] = am_processes_used;
+ uintps[length++] = &size.processes_used;
+ }
+ break;
+ case am_system:
+ if (!want.system) {
+ want.system = 1;
+ atoms[length] = am_system;
+ uintps[length++] = &size.system;
+ }
+ break;
+ case am_atom:
+ if (!want.atom) {
+ want.atom = 1;
+ atoms[length] = am_atom;
+ uintps[length++] = &size.atom;
+ }
+ break;
+ case am_atom_used:
+ if (!want.atom_used) {
+ want.atom_used = 1;
+ atoms[length] = am_atom_used;
+ uintps[length++] = &size.atom_used;
+ }
+ break;
+ case am_binary:
+ if (!want.binary) {
+ want.binary = 1;
+ atoms[length] = am_binary;
+ uintps[length++] = &size.binary;
+ }
+ break;
+ case am_code:
+ if (!want.code) {
+ want.code = 1;
+ atoms[length] = am_code;
+ uintps[length++] = &size.code;
+ }
+ break;
+ case am_ets:
+ if (!want.ets) {
+ want.ets = 1;
+ atoms[length] = am_ets;
+ uintps[length++] = &size.ets;
+ }
+ break;
+ case am_maximum:
+ if (erts_instr_stat) {
+ if (!want.maximum) {
+ want.maximum = 1;
+ atoms[length] = am_maximum;
+ uintps[length++] = &size.maximum;
+ }
+ }
+ else
+ return am_badarg;
+ break;
+ default:
+ return am_badarg;
+ }
+ wanted_list = CDR(list_val(wanted_list));
+ }
+ if (is_not_nil(wanted_list))
+ return am_badarg;
+ }
+
+ /* All alloc_util allocators *have* to be enabled */
+
+ for (ai = ERTS_ALC_A_MIN; ai <= ERTS_ALC_A_MAX; ai++) {
+ switch (ai) {
+ case ERTS_ALC_A_SYSTEM:
+ case ERTS_ALC_A_FIXED_SIZE:
+ break;
+ default:
+ if (!erts_allctrs_info[ai].enabled
+ || !erts_allctrs_info[ai].alloc_util) {
+ return am_notsup;
+ }
+ break;
+ }
+ }
+
+ ASSERT(length <= sizeof(atoms)/sizeof(Eterm));
+ ASSERT(length <= sizeof(euints)/sizeof(Eterm));
+ ASSERT(length <= sizeof(uintps)/sizeof(Uint));
+
+
+ if (proc) {
+ ERTS_SMP_LC_ASSERT(ERTS_PROC_LOCK_MAIN
+ == erts_proc_lc_my_proc_locks(proc));
+ /* We'll need locks early in the lock order */
+ erts_smp_proc_unlock(proc, ERTS_PROC_LOCK_MAIN);
+ }
+
+ /* Calculate values needed... */
+
+ want_tot_or_sys = want.total || want.system;
+ need_atom = ERTS_MEM_NEED_ALL_ALCU || want.atom;
+
+ if (ERTS_MEM_NEED_ALL_ALCU) {
+ size.total = 0;
+
+ for (ai = ERTS_ALC_A_MIN; ai <= ERTS_ALC_A_MAX; ai++) {
+ if (erts_allctrs_info[ai].alloc_util) {
+ Uint *save;
+ Uint asz;
+ switch (ai) {
+ case ERTS_ALC_A_TEMPORARY:
+ /*
+ * Often not thread safe and usually never
+ * contain any allocated memory.
+ */
+ continue;
+ case ERTS_ALC_A_EHEAP:
+ save = &size.processes;
+ break;
+ case ERTS_ALC_A_ETS:
+ save = &size.ets;
+ break;
+ case ERTS_ALC_A_BINARY:
+ save = &size.binary;
+ break;
+ default:
+ save = NULL;
+ break;
+ }
+ asz = alcu_size(ai);
+ if (save)
+ *save = asz;
+ size.total += asz;
+ }
+ }
+ }
+
+
+
+ if (want_tot_or_sys || want.processes || want.processes_used) {
+ Uint tmp;
+
+ if (ERTS_MEM_NEED_ALL_ALCU)
+ tmp = size.processes;
+ else
+ tmp = alcu_size(ERTS_ALC_A_EHEAP);
+ tmp += erts_max_processes*sizeof(Process*);
+#ifdef HYBRID
+ tmp += erts_max_processes*sizeof(Process*);
+#endif
+ tmp += erts_bif_timer_memory_size();
+ tmp += erts_tot_link_lh_size();
+
+ size.processes = size.processes_used = tmp;
+
+ erts_fix_info(ERTS_ALC_T_NLINK_SH, &efi);
+ size.processes += efi.total;
+ size.processes_used += efi.used;
+
+ erts_fix_info(ERTS_ALC_T_MONITOR_SH, &efi);
+ size.processes += efi.total;
+ size.processes_used += efi.used;
+
+ erts_fix_info(ERTS_ALC_T_PROC, &efi);
+ size.processes += efi.total;
+ size.processes_used += efi.used;
+
+ erts_fix_info(ERTS_ALC_T_REG_PROC, &efi);
+ size.processes += efi.total;
+ size.processes_used += efi.used;
+
+ }
+
+ if (want.atom || want.atom_used) {
+ Uint reserved_atom_space, atom_space;
+ erts_atom_get_text_space_sizes(&reserved_atom_space, &atom_space);
+ size.atom = size.atom_used = atom_table_sz();
+ erts_fix_info(ERTS_ALC_T_ATOM, &efi);
+
+ if (want.atom) {
+ size.atom += reserved_atom_space;
+ size.atom += efi.total;
+ }
+
+ if (want.atom_used) {
+ size.atom_used += atom_space;
+ size.atom_used += efi.used;
+ }
+ }
+
+ if (!ERTS_MEM_NEED_ALL_ALCU && want.binary)
+ size.binary = alcu_size(ERTS_ALC_A_BINARY);
+
+ if (want.code) {
+ size.code = module_table_sz();
+ erts_fix_info(ERTS_ALC_T_MODULE, &efi);
+ size.code += efi.used;
+ size.code += export_table_sz();
+ erts_fix_info(ERTS_ALC_T_EXPORT, &efi);
+ size.code += efi.used;
+ size.code += erts_fun_table_sz();
+ erts_fix_info(ERTS_ALC_T_FUN_ENTRY, &efi);
+ size.code += efi.used;
+ size.code += allocated_modules*sizeof(Range);
+ size.code += erts_total_code_size;
+ }
+
+ if (want.ets) {
+ if (!ERTS_MEM_NEED_ALL_ALCU)
+ size.ets = alcu_size(ERTS_ALC_A_ETS);
+ size.ets += erts_get_ets_misc_mem_size();
+ }
+
+ if (erts_instr_stat && (want_tot_or_sys || want.maximum)) {
+ if (want_tot_or_sys) {
+ size.total = erts_instr_get_total();
+ size.system = size.total - size.processes;
+ }
+ size.maximum = erts_instr_get_max_total();
+ }
+ else if (want_tot_or_sys) {
+ size.system = size.total - size.processes;
+ }
+
+ if (print_to_p) {
+ int i;
+ int to = *print_to_p;
+ void *arg = print_to_arg;
+
+ /* Print result... */
+ erts_print(to, arg, "=memory\n");
+ for (i = 0; i < length; i++)
+ erts_print(to, arg, "%T: %bpu\n", atoms[i], *uintps[i]);
+ }
+
+ if (proc) {
+ /* Build erlang term result... */
+ Uint *hp;
+ Uint hsz;
+
+ erts_smp_proc_lock(proc, ERTS_PROC_LOCK_MAIN);
+
+ if (only_one_value) {
+ ASSERT(length == 1);
+ hsz = 0;
+ erts_bld_uint(NULL, &hsz, *uintps[0]);
+ hp = hsz ? HAlloc((Process *) proc, hsz) : NULL;
+ res = erts_bld_uint(&hp, NULL, *uintps[0]);
+ }
+ else {
+ Uint **hpp = NULL;
+ Uint *hszp = &hsz;
+ hsz = 0;
+
+ while (1) {
+ int i;
+ for (i = 0; i < length; i++)
+ euints[i] = erts_bld_uint(hpp, hszp, *uintps[i]);
+ res = erts_bld_2tup_list(hpp, hszp, length, atoms, euints);
+ if (hpp)
+ break;
+ hp = HAlloc((Process *) proc, hsz);
+ hpp = &hp;
+ hszp = NULL;
+ }
+ }
+ }
+
+ return res;
+
+#undef ERTS_MEM_NEED_ALL_ALCU
+}
+
+struct aa_values {
+ Uint arity;
+ const char *name;
+ Uint ui[2];
+};
+
+Eterm
+erts_allocated_areas(int *print_to_p, void *print_to_arg, void *proc)
+{
+#define MAX_AA_VALUES \
+ (20 + (ERTS_ALC_N_MAX_A_FIXED_SIZE - ERTS_ALC_N_MIN_A_FIXED_SIZE + 1))
+
+ struct aa_values values[MAX_AA_VALUES];
+ Eterm res = THE_NON_VALUE;
+ int i, length;
+ ErtsFixInfo efi;
+ Uint reserved_atom_space, atom_space;
+
+ if (proc) {
+ ERTS_SMP_LC_ASSERT(ERTS_PROC_LOCK_MAIN
+ == erts_proc_lc_my_proc_locks(proc));
+
+ /* We'll need locks early in the lock order */
+ erts_smp_proc_unlock(proc, ERTS_PROC_LOCK_MAIN);
+ }
+
+ i = 0;
+
+ if (erts_instr_stat) {
+ values[i].arity = 2;
+ values[i].name = "total";
+ values[i].ui[0] = erts_instr_get_total();
+ i++;
+
+ values[i].arity = 2;
+ values[i].name = "maximum";
+ values[i].ui[0] = erts_instr_get_max_total();
+ i++;
+ }
+
+ values[i].arity = 2;
+ values[i].name = "sys_misc";
+ values[i].ui[0] = erts_sys_misc_mem_sz();
+ i++;
+
+ values[i].arity = 2;
+ values[i].name = "static";
+ values[i].ui[0] =
+ erts_max_ports*sizeof(Port) /* Port table */
+ + erts_timer_wheel_memory_size() /* Timer wheel */
+#ifdef SYS_TMP_BUF_SIZE
+ + SYS_TMP_BUF_SIZE /* tmp_buf in sys on vxworks & ose */
+#endif
+ ;
+ i++;
+
+ erts_atom_get_text_space_sizes(&reserved_atom_space, &atom_space);
+
+ values[i].arity = 3;
+ values[i].name = "atom_space";
+ values[i].ui[0] = reserved_atom_space;
+ values[i].ui[1] = atom_space;
+ i++;
+
+ values[i].arity = 2;
+ values[i].name = "atom_table";
+ values[i].ui[0] = atom_table_sz();
+ i++;
+
+ values[i].arity = 2;
+ values[i].name = "module_table";
+ values[i].ui[0] = module_table_sz();
+ i++;
+
+ values[i].arity = 2;
+ values[i].name = "export_table";
+ values[i].ui[0] = export_table_sz();
+ i++;
+
+ values[i].arity = 2;
+ values[i].name = "register_table";
+ values[i].ui[0] = process_reg_sz();
+ i++;
+
+ values[i].arity = 2;
+ values[i].name = "fun_table";
+ values[i].ui[0] = erts_fun_table_sz();
+ i++;
+
+ values[i].arity = 2;
+ values[i].name = "module_refs";
+ values[i].ui[0] = allocated_modules*sizeof(Range);
+ i++;
+
+ values[i].arity = 2;
+ values[i].name = "loaded_code";
+ values[i].ui[0] = erts_total_code_size;
+ i++;
+
+ values[i].arity = 2;
+ values[i].name = "dist_table";
+ values[i].ui[0] = erts_dist_table_size();
+ i++;
+
+ values[i].arity = 2;
+ values[i].name = "node_table";
+ values[i].ui[0] = erts_node_table_size();
+ i++;
+
+ values[i].arity = 2;
+ values[i].name = "bits_bufs_size";
+ values[i].ui[0] = erts_bits_bufs_size();
+ i++;
+
+ values[i].arity = 2;
+ values[i].name = "bif_timer";
+ values[i].ui[0] = erts_bif_timer_memory_size();
+ i++;
+
+ values[i].arity = 2;
+ values[i].name = "link_lh";
+ values[i].ui[0] = erts_tot_link_lh_size();
+ i++;
+
+ {
+ Uint n;
+
+ for (n = ERTS_ALC_N_MIN_A_FIXED_SIZE;
+ n <= ERTS_ALC_N_MAX_A_FIXED_SIZE;
+ n++) {
+ erts_fix_info(ERTS_ALC_N2T(n), &efi);
+
+ values[i].arity = 3;
+ values[i].name = ERTS_ALC_N2TD(n);
+ values[i].ui[0] = efi.total;
+ values[i].ui[1] = efi.used;
+ i++;
+ }
+
+ }
+
+ length = i;
+ ASSERT(length <= MAX_AA_VALUES);
+
+ if (print_to_p) {
+ /* Print result... */
+ int to = *print_to_p;
+ void *arg = print_to_arg;
+
+ erts_print(to, arg, "=allocated_areas\n");
+ for (i = 0; i < length; i++) {
+ switch (values[i].arity) {
+ case 2:
+ erts_print(to, arg, "%s: %bpu\n",
+ values[i].name, values[i].ui[0]);
+ break;
+ case 3:
+ erts_print(to, arg, "%s: %bpu %bpu\n",
+ values[i].name, values[i].ui[0], values[i].ui[1]);
+ break;
+ default:
+ erts_print(to, arg, "ERROR: internal_error\n");
+ ASSERT(0);
+ return am_internal_error;
+ }
+ }
+ }
+
+ if (proc) {
+ /* Build erlang term result... */
+ Eterm tuples[MAX_AA_VALUES];
+ Uint *hp;
+ Uint **hpp;
+ Uint hsz;
+ Uint *hszp;
+
+ erts_smp_proc_lock(proc, ERTS_PROC_LOCK_MAIN);
+
+ hpp = NULL;
+ hsz = 0;
+ hszp = &hsz;
+
+ while (1) {
+ int i;
+ for (i = 0; i < length; i++) {
+ Eterm atom;
+ if (hpp)
+ atom = am_atom_put(values[i].name,
+ (int) strlen(values[i].name));
+ else
+ atom = am_true;
+
+ switch (values[i].arity) {
+ case 2:
+ tuples[i] = erts_bld_tuple(hpp, hszp, 2,
+ atom,
+ erts_bld_uint(hpp, hszp,
+ values[i].ui[0]));
+ break;
+ case 3:
+ tuples[i] = erts_bld_tuple(hpp, hszp, 3,
+ atom,
+ erts_bld_uint(hpp, hszp,
+ values[i].ui[0]),
+ erts_bld_uint(hpp, hszp,
+ values[i].ui[1]));
+ break;
+ default:
+ ASSERT(0);
+ return am_internal_error;
+ }
+ }
+ res = erts_bld_list(hpp, hszp, length, tuples);
+ if (hpp)
+ break;
+ hp = HAlloc((Process *) proc, hsz);
+ hpp = &hp;
+ hszp = NULL;
+ }
+ }
+
+ return res;
+#undef MAX_AA_VALUES
+}
+
+Eterm
+erts_alloc_util_allocators(void *proc)
+{
+ Eterm res;
+ Uint *hp;
+ Uint sz;
+ int i;
+ /*
+ * Currently all allocators except sys_alloc and fix_alloc are
+ * alloc_util allocators.
+ */
+ sz = ((ERTS_ALC_A_MAX + 1 - ERTS_ALC_A_MIN) - 2)*2;
+ ASSERT(sz > 0);
+ hp = HAlloc((Process *) proc, sz);
+ res = NIL;
+ for (i = ERTS_ALC_A_MAX; i >= ERTS_ALC_A_MIN; i--) {
+ switch (i) {
+ case ERTS_ALC_A_SYSTEM:
+ case ERTS_ALC_A_FIXED_SIZE:
+ break;
+ default: {
+ char *alc_str = (char *) ERTS_ALC_A2AD(i);
+ Eterm alc = am_atom_put(alc_str, sys_strlen(alc_str));
+ res = CONS(hp, alc, res);
+ hp += 2;
+ break;
+ }
+ }
+ }
+ return res;
+}
+
+Eterm
+erts_allocator_info_term(void *proc, Eterm which_alloc, int only_sz)
+{
+#define ERTS_AIT_RET(R) \
+ do { res = (R); goto done; } while (0)
+#define ERTS_AIT_HALLOC(P, S) \
+ do { hp = HAlloc((P), (S)); hp_end = hp + (S); } while (0)
+
+ ErtsAlcType_t i;
+ Uint sz = 0;
+ Uint *hp = NULL;
+ Uint *hp_end = NULL;
+ Eterm res = am_undefined;
+
+ if (is_not_atom(which_alloc))
+ goto done;
+
+ for (i = ERTS_ALC_A_MIN; i <= ERTS_ALC_A_MAX; i++) {
+ if (erts_is_atom_str((char *) ERTS_ALC_A2AD(i), which_alloc)) {
+ if (!erts_allctrs_info[i].enabled)
+ ERTS_AIT_RET(am_false);
+ else {
+ if (erts_allctrs_info[i].alloc_util) {
+ Eterm ires, tmp;
+ Eterm **hpp;
+ Uint *szp;
+ Eterm (*info_func)(Allctr_t *,
+ int,
+ int *,
+ void *,
+ Uint **,
+ Uint *);
+
+ info_func = (only_sz
+ ? erts_alcu_sz_info
+ : erts_alcu_info);
+
+ if (erts_allctrs_info[i].thr_spec) {
+ ErtsAllocatorThrSpec_t *tspec = &erts_allctr_thr_spec[i];
+ int j;
+ int block_system = !tspec->all_thr_safe;
+
+ if (block_system) {
+ erts_smp_proc_unlock(proc, ERTS_PROC_LOCK_MAIN);
+ erts_smp_block_system(0);
+ }
+ ASSERT(tspec->enabled);
+
+ szp = &sz;
+ hpp = NULL;
+
+ while (1) {
+ ires = NIL;
+ for (j = tspec->size - 1; j >= 0; j--) {
+ Allctr_t *allctr = tspec->allctr[j];
+ if (allctr) {
+ tmp = erts_bld_tuple(hpp,
+ szp,
+ 3,
+ erts_bld_atom(hpp,
+ szp,
+ "instance"),
+ make_small((Uint) j),
+ (*info_func)(allctr,
+ hpp != NULL,
+ NULL,
+ NULL,
+ hpp,
+ szp));
+ ires = erts_bld_cons(hpp, szp, tmp, ires);
+ }
+ }
+ if (hpp)
+ break;
+ ERTS_AIT_HALLOC((Process *) proc, sz);
+ hpp = &hp;
+ szp = NULL;
+ }
+
+ if (block_system) {
+ erts_smp_release_system();
+ erts_smp_proc_lock(proc, ERTS_PROC_LOCK_MAIN);
+ }
+ }
+ else {
+ Allctr_t *allctr = erts_allctrs_info[i].extra;
+ szp = &sz;
+ hpp = NULL;
+ while (1) {
+ ires = NIL;
+ tmp = erts_bld_tuple(hpp,
+ szp,
+ 3,
+ erts_bld_atom(hpp,
+ szp,
+ "instance"),
+ make_small((Uint) 0),
+ (*info_func)(allctr,
+ hpp != NULL,
+ NULL,
+ NULL,
+ hpp,
+ szp));
+ ires = erts_bld_cons(hpp, szp, tmp, ires);
+ if (hpp)
+ break;
+ ERTS_AIT_HALLOC((Process *) proc, sz);
+ hpp = &hp;
+ szp = NULL;
+ }
+ }
+ ERTS_AIT_RET(ires);
+ }
+ else {
+ Eterm *szp, **hpp;
+
+ switch (i) {
+ case ERTS_ALC_A_SYSTEM: {
+ SysAllocStat sas;
+ Eterm opts_am;
+ Eterm opts;
+ Eterm as[4];
+ Eterm ts[4];
+ int l;
+
+ if (only_sz)
+ ERTS_AIT_RET(NIL);
+
+ sys_alloc_stat(&sas);
+ opts_am = am_atom_put("options", 7);
+
+ szp = &sz;
+ hpp = NULL;
+
+ restart_sys_alloc:
+ l = 0;
+ as[l] = am_atom_put("e", 1);
+ ts[l++] = am_true;
+#ifdef ELIB_ALLOC_IS_CLIB
+ as[l] = am_atom_put("m", 1);
+ ts[l++] = am_atom_put("elib", 4);
+#else
+ as[l] = am_atom_put("m", 1);
+ ts[l++] = am_atom_put("libc", 4);
+#endif
+ if(sas.trim_threshold >= 0) {
+ as[l] = am_atom_put("tt", 2);
+ ts[l++] = erts_bld_uint(hpp, szp,
+ (Uint) sas.trim_threshold);
+ }
+ if(sas.top_pad >= 0) {
+ as[l] = am_atom_put("tp", 2);
+ ts[l++] = erts_bld_uint(hpp, szp, (Uint) sas.top_pad);
+ }
+
+ opts = erts_bld_2tup_list(hpp, szp, l, as, ts);
+ res = erts_bld_2tup_list(hpp, szp, 1, &opts_am, &opts);
+
+ if (szp) {
+ ERTS_AIT_HALLOC((Process *) proc, sz);
+ szp = NULL;
+ hpp = &hp;
+ goto restart_sys_alloc;
+ }
+ ERTS_AIT_RET(res);
+ }
+ case ERTS_ALC_A_FIXED_SIZE: {
+ ErtsAlcType_t n;
+ Eterm as[2], vs[2];
+
+ if (only_sz)
+ ERTS_AIT_RET(NIL);
+
+ as[0] = am_atom_put("options", 7);
+ as[1] = am_atom_put("pools", 5);
+
+ szp = &sz;
+ hpp = NULL;
+
+ restart_fix_alloc:
+
+ vs[0] = erts_bld_cons(hpp, szp,
+ erts_bld_tuple(hpp, szp, 2,
+ am_atom_put("e",
+ 1),
+ am_true),
+ NIL);
+
+ vs[1] = NIL;
+ for (n = ERTS_ALC_N_MIN_A_FIXED_SIZE;
+ n <= ERTS_ALC_N_MAX_A_FIXED_SIZE;
+ n++) {
+ ErtsFixInfo efi;
+ erts_fix_info(ERTS_ALC_N2T(n), &efi);
+
+ vs[1] = erts_bld_cons(
+ hpp, szp,
+ erts_bld_tuple(
+ hpp, szp, 3,
+ am_atom_put((char *) ERTS_ALC_N2TD(n),
+ strlen(ERTS_ALC_N2TD(n))),
+ erts_bld_uint(hpp, szp, efi.total),
+ erts_bld_uint(hpp, szp, efi.used)),
+ vs[1]);
+
+ }
+
+ res = erts_bld_2tup_list(hpp, szp, 2, as, vs);
+ if (szp) {
+ ERTS_AIT_HALLOC((Process *) proc, sz);
+ szp = NULL;
+ hpp = &hp;
+ goto restart_fix_alloc;
+ }
+ ERTS_AIT_RET(res);
+ }
+ default:
+ ASSERT(0);
+ goto done;
+ }
+ }
+ }
+ }
+ }
+
+ if (ERTS_IS_ATOM_STR("mseg_alloc", which_alloc)) {
+#if HAVE_ERTS_MSEG
+ if (only_sz)
+ ERTS_AIT_RET(NIL);
+ erts_mseg_info(NULL, NULL, 0, NULL, &sz);
+ if (sz)
+ ERTS_AIT_HALLOC((Process *) proc, sz);
+ ERTS_AIT_RET(erts_mseg_info(NULL, NULL, 1, &hp, NULL));
+#else
+ ERTS_AIT_RET(am_false);
+#endif
+
+ }
+ else if (ERTS_IS_ATOM_STR("alloc_util", which_alloc)) {
+ if (only_sz)
+ ERTS_AIT_RET(NIL);
+ erts_alcu_au_info_options(NULL, NULL, NULL, &sz);
+ if (sz)
+ ERTS_AIT_HALLOC((Process *) proc, sz);
+ ERTS_AIT_RET(erts_alcu_au_info_options(NULL, NULL, &hp, NULL));
+ }
+
+ done:
+ if (hp) {
+ ASSERT(hp_end >= hp);
+ HRelease((Process *) proc, hp_end, hp);
+ }
+ return res;
+
+#undef ERTS_AIT_RET
+#undef ERTS_AIT_HALLOC
+}
+
+void
+erts_allocator_info(int to, void *arg)
+{
+ ErtsAlcType_t a;
+
+ ERTS_SMP_LC_ASSERT(erts_smp_is_system_blocked(0)
+ || (ERTS_IS_CRASH_DUMPING
+ && erts_smp_is_system_blocked(ERTS_BS_FLG_ALLOW_GC)));
+
+ for (a = ERTS_ALC_A_MIN; a <= ERTS_ALC_A_MAX; a++) {
+ int ai;
+ for (ai = 0; ai == 0 || ai < erts_allctrs_info[a].thr_spec; ai++) {
+ if (erts_allctrs_info[a].thr_spec) {
+ if (!erts_allctr_thr_spec[a].allctr[ai])
+ continue;
+ erts_print(to, arg, "=allocator:%s[%d]\n",
+ ERTS_ALC_A2AD(a), ai);
+ }
+ else {
+ erts_print(to, arg, "=allocator:%s\n", ERTS_ALC_A2AD(a));
+ }
+ if (!erts_allctrs_info[a].enabled)
+ erts_print(to, arg, "option e: false\n");
+ else {
+ if (erts_allctrs_info[a].alloc_util) {
+ void *as;
+ if (!erts_allctrs_info[a].thr_spec)
+ as = erts_allctrs_info[a].extra;
+ else {
+ ASSERT(erts_allctr_thr_spec[a].enabled);
+ as = erts_allctr_thr_spec[a].allctr[ai];
+ }
+ /* Binary alloc has its own thread safety... */
+ erts_alcu_info(as, 0, &to, arg, NULL, NULL);
+ }
+ else {
+ switch (a) {
+ case ERTS_ALC_A_SYSTEM: {
+ SysAllocStat sas;
+ erts_print(to, arg, "option e: true\n");
+#ifdef ELIB_ALLOC_IS_CLIB
+ erts_print(to, arg, "option m: elib\n");
+#else
+ erts_print(to, arg, "option m: libc\n");
+#endif
+ sys_alloc_stat(&sas);
+ if(sas.trim_threshold >= 0)
+ erts_print(to, arg, "option tt: %d\n", sas.trim_threshold);
+ if(sas.top_pad >= 0)
+ erts_print(to, arg, "option tp: %d\n", sas.top_pad);
+ break;
+ }
+ case ERTS_ALC_A_FIXED_SIZE: {
+ ErtsAlcType_t n;
+ erts_print(to, arg, "option e: true\n");
+
+ for (n = ERTS_ALC_N_MIN_A_FIXED_SIZE;
+ n <= ERTS_ALC_N_MAX_A_FIXED_SIZE;
+ n++) {
+ ErtsFixInfo efi;
+ erts_fix_info(ERTS_ALC_N2T(n), &efi);
+ erts_print(to, arg, "%s: %lu %lu\n",
+ ERTS_ALC_N2TD(n),
+ efi.total,
+ efi.used);
+ }
+ break;
+ }
+ default:
+ ASSERT(0);
+ break;
+ }
+ }
+ }
+ }
+ }
+
+#if HAVE_ERTS_MSEG
+ erts_print(to, arg, "=allocator:mseg_alloc\n");
+ erts_mseg_info(&to, arg, 0, NULL, NULL);
+#endif
+
+ erts_print(to, arg, "=allocator:alloc_util\n");
+ erts_alcu_au_info_options(&to, arg, NULL, NULL);
+
+ erts_print(to, arg, "=allocator:instr\n");
+ erts_print(to, arg, "option m: %s\n",
+ erts_instr_memory_map ? "true" : "false");
+ erts_print(to, arg, "option s: %s\n",
+ erts_instr_stat ? "true" : "false");
+ erts_print(to, arg, "option t: %s\n",
+ erts_mtrace_enabled ? "true" : "false");
+
+}
+
+Eterm
+erts_allocator_options(void *proc)
+{
+#if HAVE_ERTS_MSEG
+ int use_mseg = 0;
+#endif
+ Uint sz, *szp, *hp, **hpp;
+ Eterm res, features, settings;
+ Eterm atoms[ERTS_ALC_A_MAX-ERTS_ALC_A_MIN+5];
+ Uint terms[ERTS_ALC_A_MAX-ERTS_ALC_A_MIN+5];
+ int a, length;
+ SysAllocStat sas;
+ Uint *endp = NULL;
+
+ sys_alloc_stat(&sas);
+
+ /* First find out the heap size needed ... */
+ hpp = NULL;
+ szp = &sz;
+ sz = 0;
+
+ bld_term:
+
+ length = 0;
+ features = NIL;
+ settings = NIL;
+
+ for (a = ERTS_ALC_A_MIN; a <= ERTS_ALC_A_MAX; a++) {
+ Eterm tmp = NIL;
+ atoms[length] = am_atom_put((char *) ERTS_ALC_A2AD(a),
+ strlen(ERTS_ALC_A2AD(a)));
+ if (erts_allctrs_info[a].enabled) {
+ if (erts_allctrs_info[a].alloc_util) {
+ Allctr_t *allctr;
+#if HAVE_ERTS_MSEG
+ use_mseg++;
+#endif
+ if (erts_allctr_thr_spec[a].enabled)
+ allctr = erts_allctr_thr_spec[a].allctr[1];
+ else
+ allctr = erts_allctrs_info[a].extra;
+ tmp = erts_alcu_info_options(allctr, NULL, NULL, hpp, szp);
+ }
+ else {
+ int l = 0;
+ Eterm as[4];
+ Eterm ts[4];
+
+ as[l] = am_atom_put("e", 1);
+ ts[l++] = am_true;
+
+ switch (a) {
+ case ERTS_ALC_A_SYSTEM:
+#ifdef ELIB_ALLOC_IS_CLIB
+ as[l] = am_atom_put("m", 1);
+ ts[l++] = am_atom_put("elib", 4);
+#else
+ as[l] = am_atom_put("m", 1);
+ ts[l++] = am_atom_put("libc", 4);
+#endif
+ if(sas.trim_threshold >= 0) {
+ as[l] = am_atom_put("tt", 2);
+ ts[l++] = erts_bld_uint(hpp, szp,
+ (Uint) sas.trim_threshold);
+ }
+ if(sas.top_pad >= 0) {
+ as[l] = am_atom_put("tp", 2);
+ ts[l++] = erts_bld_uint(hpp, szp, (Uint) sas.top_pad);
+ }
+ break;
+ default:
+ break;
+ }
+
+ tmp = erts_bld_2tup_list(hpp, szp, l, as, ts);
+
+ }
+
+ }
+ else {
+ Eterm atom = am_atom_put("e", 1);
+ Eterm term = am_false;
+ tmp = erts_bld_2tup_list(hpp, szp, 1, &atom, &term);
+ }
+
+ terms[length++] = tmp;
+
+ }
+
+#if HAVE_ERTS_MSEG
+ if (use_mseg) {
+ atoms[length] = am_atom_put("mseg_alloc", 10);
+ terms[length++] = erts_mseg_info_options(NULL, NULL, hpp, szp);
+ }
+#endif
+
+ atoms[length] = am_atom_put("alloc_util", 10);
+ terms[length++] = erts_alcu_au_info_options(NULL, NULL, hpp, szp);
+
+ {
+ Eterm o[3], v[3];
+ o[0] = am_atom_put("m", 1);
+ v[0] = erts_instr_memory_map ? am_true : am_false;
+ o[1] = am_atom_put("s", 1);
+ v[1] = erts_instr_stat ? am_true : am_false;
+ o[2] = am_atom_put("t", 1);
+ v[2] = erts_mtrace_enabled ? am_true : am_false;
+
+ atoms[length] = am_atom_put("instr", 5);
+ terms[length++] = erts_bld_2tup_list(hpp, szp, 3, o, v);
+ }
+
+ settings = erts_bld_2tup_list(hpp, szp, length, atoms, terms);
+
+ length = 0;
+
+ for (a = ERTS_ALC_A_MIN; a <= ERTS_ALC_A_MAX; a++) {
+ if (erts_allctrs_info[a].enabled) {
+ terms[length++] = am_atom_put((char *) ERTS_ALC_A2AD(a),
+ strlen(ERTS_ALC_A2AD(a)));
+ }
+ }
+
+#if HAVE_ERTS_MSEG
+ if (use_mseg)
+ terms[length++] = am_atom_put("mseg_alloc", 10);
+#endif
+
+ features = length ? erts_bld_list(hpp, szp, length, terms) : NIL;
+
+#if defined(ELIB_ALLOC_IS_CLIB)
+ {
+ Eterm version;
+ int i;
+ int ver[5];
+ i = sscanf(ERLANG_VERSION,
+ "%d.%d.%d.%d.%d",
+ &ver[0], &ver[1], &ver[2], &ver[3], &ver[4]);
+
+ version = NIL;
+ for(i--; i >= 0; i--)
+ version = erts_bld_cons(hpp, szp, make_small(ver[i]), version);
+
+ res = erts_bld_tuple(hpp, szp, 4,
+ am_elib_malloc, version, features, settings);
+ }
+#elif defined(__GLIBC__)
+ {
+ Eterm AM_glibc = am_atom_put("glibc", 5);
+ Eterm version;
+
+ version = erts_bld_cons(hpp,
+ szp,
+ make_small(__GLIBC__),
+#ifdef __GLIBC_MINOR__
+ erts_bld_cons(hpp,
+ szp,
+ make_small(__GLIBC_MINOR__),
+ NIL)
+#else
+ NIL
+#endif
+ );
+
+ res = erts_bld_tuple(hpp, szp, 4,
+ AM_glibc, version, features, settings);
+ }
+
+#else /* unknown allocator */
+
+ res = erts_bld_tuple(hpp, szp, 4,
+ am_undefined, NIL, features, settings);
+
+#endif
+
+ if (szp) {
+ /* ... and then build the term */
+ hp = HAlloc((Process *) proc, sz);
+ endp = hp + sz;
+ hpp = &hp;
+ szp = NULL;
+ goto bld_term;
+ }
+
+ ASSERT(endp >= hp);
+ HRelease((Process *) proc, endp, hp);
+
+ return res;
+}
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
+ * Deprecated functions *
+ * *
+ * These functions are still defined since "non-OTP linked in drivers" may *
+ * contain (illegal) calls to them. *
+\* */
+
+/* --- DO *NOT* USE THESE FUNCTIONS --- */
+
+void *sys_alloc(Uint sz)
+{ return erts_alloc_fnf(ERTS_ALC_T_UNDEF, sz); }
+void *sys_realloc(void *ptr, Uint sz)
+{ return erts_realloc_fnf(ERTS_ALC_T_UNDEF, ptr, sz); }
+void sys_free(void *ptr)
+{ erts_free(ERTS_ALC_T_UNDEF, ptr); }
+void *safe_alloc(Uint sz)
+{ return erts_alloc(ERTS_ALC_T_UNDEF, sz); }
+void *safe_realloc(void *ptr, Uint sz)
+{ return erts_realloc(ERTS_ALC_T_UNDEF, ptr, sz); }
+
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
+ * NOTE: erts_alc_test() is only supposed to be used for testing. *
+ * *
+ * Keep alloc_SUITE_data/allocator_test.h updated if changes are made *
+ * to erts_alc_test() *
+\* */
+#define ERTS_ALC_TEST_ABORT erl_exit(ERTS_ABORT_EXIT, "%s:%d: Internal error\n")
+
+unsigned long erts_alc_test(unsigned long op,
+ unsigned long a1,
+ unsigned long a2,
+ unsigned long a3)
+{
+ switch (op >> 8) {
+ case 0x0: return erts_alcu_test(op, a1, a2);
+ case 0x1: return erts_gfalc_test(op, a1, a2);
+ case 0x2: return erts_bfalc_test(op, a1, a2);
+ case 0x3: return erts_afalc_test(op, a1, a2);
+ case 0x4: return erts_mseg_test(op, a1, a2, a3);
+ case 0xf:
+ switch (op) {
+ case 0xf00:
+#ifdef USE_THREADS
+ if (((Allctr_t *) a1)->thread_safe)
+ return (unsigned long) erts_alcu_alloc_ts(ERTS_ALC_T_UNDEF,
+ (void *) a1,
+ (Uint) a2);
+ else
+#endif
+ return (unsigned long) erts_alcu_alloc(ERTS_ALC_T_UNDEF,
+ (void *) a1,
+ (Uint) a2);
+ case 0xf01:
+#ifdef USE_THREADS
+ if (((Allctr_t *) a1)->thread_safe)
+ return (unsigned long) erts_alcu_realloc_ts(ERTS_ALC_T_UNDEF,
+ (void *) a1,
+ (void *) a2,
+ (Uint) a3);
+ else
+#endif
+ return (unsigned long) erts_alcu_realloc(ERTS_ALC_T_UNDEF,
+ (void *) a1,
+ (void *) a2,
+ (Uint) a3);
+ case 0xf02:
+#ifdef USE_THREADS
+ if (((Allctr_t *) a1)->thread_safe)
+ erts_alcu_free_ts(ERTS_ALC_T_UNDEF, (void *) a1, (void *) a2);
+ else
+#endif
+ erts_alcu_free(ERTS_ALC_T_UNDEF, (void *) a1, (void *) a2);
+ return 0;
+ case 0xf03: {
+ Allctr_t *allctr;
+ struct au_init init;
+
+ SET_DEFAULT_ALLOC_OPTS(&init);
+ init.enable = 1;
+ init.atype = GOODFIT;
+ init.init.util.name_prefix = (char *) a1;
+ init.init.util.ts = a2 ? 1 : 0;
+
+ if ((char **) a3) {
+ char **argv = (char **) a3;
+ int i = 0;
+ while (argv[i]) {
+ if (argv[i][0] == '-' && argv[i][1] == 't')
+ handle_au_arg(&init, &argv[i][2], argv, &i);
+ else
+ return (unsigned long) NULL;
+ i++;
+ }
+ }
+
+ switch (init.atype) {
+ case GOODFIT:
+ allctr = erts_gfalc_start((GFAllctr_t *)
+ erts_alloc(ERTS_ALC_T_UNDEF,
+ sizeof(GFAllctr_t)),
+ &init.init.gf,
+ &init.init.util);
+ break;
+ case BESTFIT:
+ allctr = erts_bfalc_start((BFAllctr_t *)
+ erts_alloc(ERTS_ALC_T_UNDEF,
+ sizeof(BFAllctr_t)),
+ &init.init.bf,
+ &init.init.util);
+ break;
+ case AFIT:
+ allctr = erts_afalc_start((AFAllctr_t *)
+ erts_alloc(ERTS_ALC_T_UNDEF,
+ sizeof(AFAllctr_t)),
+ &init.init.af,
+ &init.init.util);
+ break;
+ default:
+ ASSERT(0);
+ allctr = NULL;
+ break;
+ }
+
+ return (unsigned long) allctr;
+ }
+ case 0xf04:
+ erts_alcu_stop((Allctr_t *) a1);
+ erts_free(ERTS_ALC_T_UNDEF, (void *) a1);
+ break;
+#ifdef USE_THREADS
+ case 0xf05: return (unsigned long) 1;
+ case 0xf06: return (unsigned long) ((Allctr_t *) a1)->thread_safe;
+#ifdef ETHR_NO_FORKSAFETY
+ case 0xf07: return (unsigned long) 0;
+#else
+ case 0xf07: return (unsigned long) ((Allctr_t *) a1)->thread_safe;
+#endif
+ case 0xf08: {
+ ethr_mutex *mtx = erts_alloc(ERTS_ALC_T_UNDEF, sizeof(ethr_mutex));
+ if (ethr_mutex_init(mtx) != 0)
+ ERTS_ALC_TEST_ABORT;
+ return (unsigned long) mtx;
+ }
+ case 0xf09: {
+ ethr_mutex *mtx = (ethr_mutex *) a1;
+ if (ethr_mutex_destroy(mtx) != 0)
+ ERTS_ALC_TEST_ABORT;
+ erts_free(ERTS_ALC_T_UNDEF, (void *) mtx);
+ break;
+ }
+ case 0xf0a:
+ if (ethr_mutex_lock((ethr_mutex *) a1) != 0)
+ ERTS_ALC_TEST_ABORT;
+ break;
+ case 0xf0b:
+ if (ethr_mutex_unlock((ethr_mutex *) a1) != 0)
+ ERTS_ALC_TEST_ABORT;
+ break;
+ case 0xf0c: {
+ ethr_cond *cnd = erts_alloc(ERTS_ALC_T_UNDEF, sizeof(ethr_cond));
+ if (ethr_cond_init(cnd) != 0)
+ ERTS_ALC_TEST_ABORT;
+ return (unsigned long) cnd;
+ }
+ case 0xf0d: {
+ ethr_cond *cnd = (ethr_cond *) a1;
+ if (ethr_cond_destroy(cnd) != 0)
+ ERTS_ALC_TEST_ABORT;
+ erts_free(ERTS_ALC_T_UNDEF, (void *) cnd);
+ break;
+ }
+ case 0xf0e:
+ if (ethr_cond_broadcast((ethr_cond *) a1) != 0)
+ ERTS_ALC_TEST_ABORT;
+ break;
+ case 0xf0f: {
+ int res;
+ do {
+ res = ethr_cond_wait((ethr_cond *) a1, (ethr_mutex *) a2);
+ } while (res == EINTR);
+ if (res != 0)
+ ERTS_ALC_TEST_ABORT;
+ break;
+ }
+ case 0xf10: {
+ ethr_tid *tid = erts_alloc(ERTS_ALC_T_UNDEF, sizeof(ethr_tid));
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ if (erts_lcnt_thr_create(tid,
+ (void * (*)(void *)) a1,
+ (void *) a2,
+ NULL) != 0)
+#else
+ if (ethr_thr_create(tid,
+ (void * (*)(void *)) a1,
+ (void *) a2,
+ NULL) != 0)
+#endif
+ ERTS_ALC_TEST_ABORT;
+ return (unsigned long) tid;
+ }
+ case 0xf11: {
+ ethr_tid *tid = (ethr_tid *) a1;
+ if (ethr_thr_join(*tid, NULL) != 0)
+ ERTS_ALC_TEST_ABORT;
+ erts_free(ERTS_ALC_T_UNDEF, (void *) tid);
+ break;
+ }
+ case 0xf12:
+ ethr_thr_exit((void *) a1);
+ ERTS_ALC_TEST_ABORT;
+ break;
+#endif /* #ifdef USE_THREADS */
+ default:
+ break;
+ }
+ return (unsigned long) 0;
+ default:
+ break;
+ }
+
+ ASSERT(0);
+ return ~((unsigned long) 0);
+}
+
+#ifdef DEBUG
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
+ * Debug stuff *
+\* */
+
+#if 0
+#define PRINT_OPS
+#else
+#undef PRINT_OPS
+#endif
+
+
+#define FENCE_SZ (3*sizeof(Uint))
+
+#ifdef ARCH_64
+#define FENCE_PATTERN 0xABCDEF97ABCDEF97
+#else
+#define FENCE_PATTERN 0xABCDEF97
+#endif
+
+#define TYPE_PATTERN_MASK ERTS_ALC_N_MASK
+#define TYPE_PATTERN_SHIFT 16
+
+#define FIXED_FENCE_PATTERN_MASK \
+ (~((Uint) (TYPE_PATTERN_MASK << TYPE_PATTERN_SHIFT)))
+#define FIXED_FENCE_PATTERN \
+ (FENCE_PATTERN & FIXED_FENCE_PATTERN_MASK)
+
+#define MK_PATTERN(T) \
+ (FIXED_FENCE_PATTERN | (((T) & TYPE_PATTERN_MASK) << TYPE_PATTERN_SHIFT))
+
+#define GET_TYPE_OF_PATTERN(P) \
+ (((P) >> TYPE_PATTERN_SHIFT) & TYPE_PATTERN_MASK)
+
+
+static void *
+set_memory_fence(void *ptr, Uint sz, ErtsAlcType_t n)
+{
+ Uint *ui_ptr;
+ Uint pattern;
+
+ if (!ptr)
+ return NULL;
+
+ ui_ptr = (Uint *) ptr;
+ pattern = MK_PATTERN(n);
+
+ *(ui_ptr++) = sz;
+ *(ui_ptr++) = pattern;
+ memcpy((void *) (((char *) ui_ptr)+sz), (void *) &pattern, sizeof(Uint));
+
+ return (void *) ui_ptr;
+}
+
+static void *
+check_memory_fence(void *ptr, Uint *size, ErtsAlcType_t n, int func)
+{
+ Uint sz;
+ Uint found_type;
+ Uint pre_pattern;
+ Uint post_pattern;
+ Uint *ui_ptr;
+
+ if (!ptr)
+ return NULL;
+
+ ui_ptr = (Uint *) ptr;
+ pre_pattern = *(--ui_ptr);
+ *size = sz = *(--ui_ptr);
+
+ found_type = GET_TYPE_OF_PATTERN(pre_pattern);
+ if (pre_pattern != MK_PATTERN(n)) {
+ if ((FIXED_FENCE_PATTERN_MASK & pre_pattern) != FIXED_FENCE_PATTERN)
+ erl_exit(ERTS_ABORT_EXIT,
+ "ERROR: Fence at beginning of memory block (p=0x%u) "
+ "clobbered.\n",
+ (unsigned long) ptr);
+ }
+
+ memcpy((void *) &post_pattern, (void *) (((char *)ptr)+sz), sizeof(Uint));
+
+ if (post_pattern != MK_PATTERN(n)
+ || pre_pattern != post_pattern) {
+ char fbuf[10];
+ char obuf[10];
+ char *ftype;
+ char *otype;
+ char *op_str;
+
+ if ((FIXED_FENCE_PATTERN_MASK & post_pattern) != FIXED_FENCE_PATTERN)
+ erl_exit(ERTS_ABORT_EXIT,
+ "ERROR: Fence at end of memory block (p=0x%u, sz=%u) "
+ "clobbered.\n",
+ (unsigned long) ptr, (unsigned long) sz);
+ if (found_type != GET_TYPE_OF_PATTERN(post_pattern))
+ erl_exit(ERTS_ABORT_EXIT,
+ "ERROR: Fence around memory block (p=0x%u, sz=%u) "
+ "clobbered.\n",
+ (unsigned long) ptr, (unsigned long) sz);
+
+ ftype = type_no_str(found_type);
+ if (!ftype) {
+ sprintf(fbuf, "%d", (int) found_type);
+ ftype = fbuf;
+ }
+ otype = type_no_str(n);
+ if (!otype) {
+ sprintf(obuf, "%d", (int) n);
+ otype = obuf;
+ }
+
+ switch (func) {
+ case ERTS_ALC_O_ALLOC: op_str = "allocated"; break;
+ case ERTS_ALC_O_REALLOC: op_str = "reallocated"; break;
+ case ERTS_ALC_O_FREE: op_str = "freed"; break;
+ default: op_str = "???"; break;
+ }
+
+ erl_exit(ERTS_ABORT_EXIT,
+ "ERROR: Memory block (p=0x%u, sz=%u) allocated as type \"%s\","
+ " but %s as type \"%s\".\n",
+ (unsigned long) ptr, (unsigned long) sz, ftype, op_str, otype);
+ }
+
+ return (void *) ui_ptr;
+}
+
+static ErtsAllocatorFunctions_t real_allctrs[ERTS_ALC_A_MAX+1];
+
+static void *
+debug_alloc(ErtsAlcType_t n, void *extra, Uint size)
+{
+ ErtsAllocatorFunctions_t *real_af = (ErtsAllocatorFunctions_t *) extra;
+ Uint dsize;
+ void *res;
+
+ ASSERT(ERTS_ALC_N_MIN <= n && n <= ERTS_ALC_N_MAX);
+ dsize = size + FENCE_SZ;
+ res = (*real_af->alloc)(n, real_af->extra, dsize);
+
+ res = set_memory_fence(res, size, n);
+
+#ifdef PRINT_OPS
+ fprintf(stderr, "0x%lx = alloc(%s, %lu)\r\n",
+ (Uint) res, ERTS_ALC_N2TD(n), size);
+#endif
+
+ return res;
+}
+
+
+static void *
+debug_realloc(ErtsAlcType_t n, void *extra, void *ptr, Uint size)
+{
+ ErtsAllocatorFunctions_t *real_af = (ErtsAllocatorFunctions_t *) extra;
+ Uint dsize;
+ Uint old_size;
+ void *dptr;
+ void *res;
+
+ ASSERT(ERTS_ALC_N_MIN <= n && n <= ERTS_ALC_N_MAX);
+
+ dsize = size + FENCE_SZ;
+ dptr = check_memory_fence(ptr, &old_size, n, ERTS_ALC_O_REALLOC);
+
+ if (old_size > size)
+ sys_memset((void *) (((char *) ptr) + size),
+ 0xf,
+ sizeof(Uint) + old_size - size);
+
+ res = (*real_af->realloc)(n, real_af->extra, dptr, dsize);
+
+ res = set_memory_fence(res, size, n);
+
+#ifdef PRINT_OPS
+ fprintf(stderr, "0x%lx = realloc(%s, 0x%lx, %lu)\r\n",
+ (Uint) res, ERTS_ALC_N2TD(n), (Uint) ptr, size);
+#endif
+
+ return res;
+}
+
+static void
+debug_free(ErtsAlcType_t n, void *extra, void *ptr)
+{
+ ErtsAllocatorFunctions_t *real_af = (ErtsAllocatorFunctions_t *) extra;
+ void *dptr;
+ Uint size;
+
+ ASSERT(ERTS_ALC_N_MIN <= n && n <= ERTS_ALC_N_MAX);
+
+ dptr = check_memory_fence(ptr, &size, n, ERTS_ALC_O_FREE);
+
+ sys_memset((void *) dptr, n, size + FENCE_SZ);
+
+ (*real_af->free)(n, real_af->extra, dptr);
+
+#ifdef PRINT_OPS
+ fprintf(stderr, "free(%s, 0x%lx)\r\n", ERTS_ALC_N2TD(n), (Uint) ptr);
+#endif
+
+}
+
+static Uint
+install_debug_functions(void)
+{
+ int i;
+ ASSERT(sizeof(erts_allctrs) == sizeof(real_allctrs));
+
+ sys_memcpy((void *)real_allctrs,(void *)erts_allctrs,sizeof(erts_allctrs));
+
+ for (i = ERTS_ALC_A_MIN; i <= ERTS_ALC_A_MAX; i++) {
+ erts_allctrs[i].alloc = debug_alloc;
+ erts_allctrs[i].realloc = debug_realloc;
+ erts_allctrs[i].free = debug_free;
+ erts_allctrs[i].extra = (void *) &real_allctrs[i];
+ }
+ return FENCE_SZ;
+}
+
+
+
+#endif /* #ifdef DEBUG */
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