aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator/beam/erl_alloc.c
diff options
context:
space:
mode:
authorRickard Green <[email protected]>2014-01-29 16:51:06 +0100
committerRickard Green <[email protected]>2014-01-29 16:51:06 +0100
commitb7c7cdb8ac922f571d0ace3a3cd0cd5149606480 (patch)
treebf3d91e52002257b81d8723d3a326049785dc8c8 /erts/emulator/beam/erl_alloc.c
parent3f9526617a72b8683f0f3a37a41597eaf57e902a (diff)
downloadotp-b7c7cdb8ac922f571d0ace3a3cd0cd5149606480.tar.gz
otp-b7c7cdb8ac922f571d0ace3a3cd0cd5149606480.tar.bz2
otp-b7c7cdb8ac922f571d0ace3a3cd0cd5149606480.zip
Make it easier to revert +M<S>acul default
Diffstat (limited to 'erts/emulator/beam/erl_alloc.c')
-rw-r--r--erts/emulator/beam/erl_alloc.c117
1 files changed, 38 insertions, 79 deletions
diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c
index c6b324dc15..ca7e39041b 100644
--- a/erts/emulator/beam/erl_alloc.c
+++ b/erts/emulator/beam/erl_alloc.c
@@ -242,32 +242,13 @@ do { \
sys_memcpy((void *) (IP), (void *) &aui__, sizeof(struct au_init)); \
} while (0)
-#if ERTS_ALC_DEFAULT_ACUL \
- || ERTS_ALC_DEFAULT_ACUL_LL_ALLOC \
- || ERTS_ALC_DEFAULT_ACUL_EHEAP_ALLOC
-
-static ERTS_INLINE void
-set_default_acul(struct au_init *ip, int acul)
-{
- ip->thr_spec = 1;
- ip->atype = AOFIRSTFIT;
- ip->init.aoff.flavor = AOFF_BF;
- ip->init.util.acul = acul;
-}
-
-#endif
-
static void
set_default_sl_alloc_opts(struct au_init *ip)
{
SET_DEFAULT_ALLOC_OPTS(ip);
ip->enable = AU_ALLOC_DEFAULT_ENABLE(1);
-#if ERTS_ALC_DEFAULT_ACUL
- set_default_acul(ip, ERTS_ALC_DEFAULT_ACUL);
-#else
ip->thr_spec = 1;
ip->atype = GOODFIT;
-#endif
ip->init.util.name_prefix = "sl_";
ip->init.util.alloc_no = ERTS_ALC_A_SHORT_LIVED;
#ifndef SMALL_MEMORY
@@ -281,7 +262,7 @@ set_default_sl_alloc_opts(struct au_init *ip)
ip->init.util.force = 1;
ip->init.util.low_mem = 1;
#endif
-
+ ip->init.util.acul = ERTS_ALC_DEFAULT_ACUL;
}
static void
@@ -289,12 +270,8 @@ set_default_std_alloc_opts(struct au_init *ip)
{
SET_DEFAULT_ALLOC_OPTS(ip);
ip->enable = AU_ALLOC_DEFAULT_ENABLE(1);
-#if ERTS_ALC_DEFAULT_ACUL
- set_default_acul(ip, ERTS_ALC_DEFAULT_ACUL);
-#else
ip->thr_spec = 1;
ip->atype = BESTFIT;
-#endif
ip->init.util.name_prefix = "std_";
ip->init.util.alloc_no = ERTS_ALC_A_STANDARD;
#ifndef SMALL_MEMORY
@@ -303,6 +280,7 @@ set_default_std_alloc_opts(struct au_init *ip)
ip->init.util.mmbcs = 32*1024; /* Main carrier size */
#endif
ip->init.util.ts = ERTS_ALC_MTA_STANDARD;
+ ip->init.util.acul = ERTS_ALC_DEFAULT_ACUL;
}
static void
@@ -310,13 +288,9 @@ set_default_ll_alloc_opts(struct au_init *ip)
{
SET_DEFAULT_ALLOC_OPTS(ip);
ip->enable = AU_ALLOC_DEFAULT_ENABLE(1);
-#if ERTS_ALC_DEFAULT_ACUL_LL_ALLOC
- set_default_acul(ip, ERTS_ALC_DEFAULT_ACUL_LL_ALLOC);
-#else
ip->thr_spec = 0;
ip->atype = BESTFIT;
ip->init.bf.ao = 1;
-#endif
ip->init.util.ramv = 0;
ip->init.util.mmsbc = 0;
ip->init.util.sbct = ~((UWord) 0);
@@ -332,6 +306,7 @@ set_default_ll_alloc_opts(struct au_init *ip)
ip->init.util.rsbcst = 0;
ip->init.util.rsbcmt = 0;
ip->init.util.rmbcmt = 0;
+ ip->init.util.acul = ERTS_ALC_DEFAULT_ACUL_LL_ALLOC;
}
static void
@@ -363,12 +338,8 @@ set_default_eheap_alloc_opts(struct au_init *ip)
{
SET_DEFAULT_ALLOC_OPTS(ip);
ip->enable = AU_ALLOC_DEFAULT_ENABLE(1);
-#if ERTS_ALC_DEFAULT_ACUL_EHEAP_ALLOC
- set_default_acul(ip, ERTS_ALC_DEFAULT_ACUL_EHEAP_ALLOC);
-#else
ip->thr_spec = 1;
ip->atype = GOODFIT;
-#endif
ip->init.util.name_prefix = "eheap_";
ip->init.util.alloc_no = ERTS_ALC_A_EHEAP;
#ifndef SMALL_MEMORY
@@ -382,6 +353,7 @@ set_default_eheap_alloc_opts(struct au_init *ip)
ip->init.util.force = 1;
ip->init.util.low_mem = 1;
#endif
+ ip->init.util.acul = ERTS_ALC_DEFAULT_ACUL_EHEAP_ALLOC;
}
static void
@@ -389,12 +361,8 @@ set_default_binary_alloc_opts(struct au_init *ip)
{
SET_DEFAULT_ALLOC_OPTS(ip);
ip->enable = AU_ALLOC_DEFAULT_ENABLE(1);
-#if ERTS_ALC_DEFAULT_ACUL
- set_default_acul(ip, ERTS_ALC_DEFAULT_ACUL);
-#else
ip->thr_spec = 1;
ip->atype = BESTFIT;
-#endif
ip->init.util.name_prefix = "binary_";
ip->init.util.alloc_no = ERTS_ALC_A_BINARY;
#ifndef SMALL_MEMORY
@@ -403,6 +371,7 @@ set_default_binary_alloc_opts(struct au_init *ip)
ip->init.util.mmbcs = 32*1024; /* Main carrier size */
#endif
ip->init.util.ts = ERTS_ALC_MTA_BINARY;
+ ip->init.util.acul = ERTS_ALC_DEFAULT_ACUL;
}
static void
@@ -410,12 +379,8 @@ set_default_ets_alloc_opts(struct au_init *ip)
{
SET_DEFAULT_ALLOC_OPTS(ip);
ip->enable = AU_ALLOC_DEFAULT_ENABLE(1);
-#if ERTS_ALC_DEFAULT_ACUL
- set_default_acul(ip, ERTS_ALC_DEFAULT_ACUL);
-#else
ip->thr_spec = 1;
ip->atype = BESTFIT;
-#endif
ip->init.util.name_prefix = "ets_";
ip->init.util.alloc_no = ERTS_ALC_A_ETS;
#ifndef SMALL_MEMORY
@@ -424,6 +389,7 @@ set_default_ets_alloc_opts(struct au_init *ip)
ip->init.util.mmbcs = 32*1024; /* Main carrier size */
#endif
ip->init.util.ts = ERTS_ALC_MTA_ETS;
+ ip->init.util.acul = ERTS_ALC_DEFAULT_ACUL;
}
static void
@@ -431,12 +397,8 @@ set_default_driver_alloc_opts(struct au_init *ip)
{
SET_DEFAULT_ALLOC_OPTS(ip);
ip->enable = AU_ALLOC_DEFAULT_ENABLE(1);
-#if ERTS_ALC_DEFAULT_ACUL
- set_default_acul(ip, ERTS_ALC_DEFAULT_ACUL);
-#else
ip->thr_spec = 1;
ip->atype = BESTFIT;
-#endif
ip->init.util.name_prefix = "driver_";
ip->init.util.alloc_no = ERTS_ALC_A_DRIVER;
#ifndef SMALL_MEMORY
@@ -445,6 +407,7 @@ set_default_driver_alloc_opts(struct au_init *ip)
ip->init.util.mmbcs = 32*1024; /* Main carrier size */
#endif
ip->init.util.ts = ERTS_ALC_MTA_DRIVER;
+ ip->init.util.acul = ERTS_ALC_DEFAULT_ACUL;
}
static void
@@ -453,12 +416,8 @@ set_default_fix_alloc_opts(struct au_init *ip,
{
SET_DEFAULT_ALLOC_OPTS(ip);
ip->enable = AU_ALLOC_DEFAULT_ENABLE(1);
-#if ERTS_ALC_DEFAULT_ACUL
- set_default_acul(ip, ERTS_ALC_DEFAULT_ACUL);
-#else
ip->thr_spec = 1;
ip->atype = BESTFIT;
-#endif
ip->init.bf.ao = 1;
ip->init.util.name_prefix = "fix_";
ip->init.util.fix_type_size = fix_type_sizes;
@@ -469,6 +428,7 @@ set_default_fix_alloc_opts(struct au_init *ip,
ip->init.util.mmbcs = 128*1024; /* Main carrier size */
#endif
ip->init.util.ts = ERTS_ALC_MTA_FIXED_SIZE;
+ ip->init.util.acul = ERTS_ALC_DEFAULT_ACUL;
}
#ifdef ERTS_SMP
@@ -560,26 +520,25 @@ strategy_support_carrier_migration(struct au_init *auip)
}
static ERTS_INLINE void
-check_disable_carrier_migration(struct au_init *auip)
-{
- if (!strategy_support_carrier_migration(auip) || !auip->thr_spec)
- auip->init.util.acul = 0;
-}
-
-static ERTS_INLINE void
-ensure_carrier_migration_support(struct au_init *auip)
+adjust_carrier_migration_support(struct au_init *auip)
{
- auip->thr_spec = 1; /* Need thread preferred */
+#ifdef ERTS_SMP
+ if (auip->init.util.acul) {
+ auip->thr_spec = -1; /* Need thread preferred */
- /*
- * If strategy cannot handle carrier migration,
- * default to a strategy that can...
- */
- if (!strategy_support_carrier_migration(auip)) {
- /* Default to aoffcbf */
- auip->atype = AOFIRSTFIT;
- auip->init.aoff.flavor = AOFF_BF;
+ /*
+ * If strategy cannot handle carrier migration,
+ * default to a strategy that can...
+ */
+ if (!strategy_support_carrier_migration(auip)) {
+ /* Default to aoffcbf */
+ auip->atype = AOFIRSTFIT;
+ auip->init.aoff.flavor = AOFF_BF;
+ }
}
+#else
+ auip->init.util.acul = 0;
+#endif
}
void
@@ -683,15 +642,16 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop)
init.fix_alloc.thr_spec = 0;
}
- check_disable_carrier_migration(&init.sl_alloc);
- check_disable_carrier_migration(&init.std_alloc);
- check_disable_carrier_migration(&init.ll_alloc);
- check_disable_carrier_migration(&init.eheap_alloc);
- check_disable_carrier_migration(&init.binary_alloc);
- check_disable_carrier_migration(&init.ets_alloc);
- check_disable_carrier_migration(&init.driver_alloc);
- check_disable_carrier_migration(&init.fix_alloc);
-
+ /* Make adjustments for carrier migration support */
+ init.temp_alloc.init.util.acul = 0;
+ adjust_carrier_migration_support(&init.sl_alloc);
+ adjust_carrier_migration_support(&init.std_alloc);
+ adjust_carrier_migration_support(&init.ll_alloc);
+ adjust_carrier_migration_support(&init.eheap_alloc);
+ adjust_carrier_migration_support(&init.binary_alloc);
+ adjust_carrier_migration_support(&init.ets_alloc);
+ adjust_carrier_migration_support(&init.driver_alloc);
+ adjust_carrier_migration_support(&init.fix_alloc);
#ifdef ERTS_SMP
/* Only temp_alloc can use thread specific interface */
@@ -1290,8 +1250,6 @@ handle_au_arg(struct au_init *auip,
break;
}
}
- ensure_carrier_migration_support(auip);
-
auip->init.util.acul = get_acul_value(auip, sub_param + 4, argv, ip);
}
else if(has_prefix("asbcst", sub_param)) {
@@ -1328,7 +1286,8 @@ handle_au_arg(struct au_init *auip,
else {
bad_value(param, sub_param + 1, alg);
}
- check_disable_carrier_migration(auip);
+ if (!strategy_support_carrier_migration(auip))
+ auip->init.util.acul = 0;
}
else
goto bad_switch;
@@ -1409,7 +1368,7 @@ handle_au_arg(struct au_init *auip,
}
else if (res == 0) {
auip->thr_spec = 0;
- check_disable_carrier_migration(auip);
+ auip->init.util.acul = 0;
break;
}
goto bad_switch;
@@ -1607,7 +1566,7 @@ handle_args(int *argc, char **argv, erts_alc_hndl_args_init_t *init)
for (a = 0; a < aui_sz; a++) {
aui[a]->thr_spec = 0;
- check_disable_carrier_migration(aui[a]);
+ aui[a]->init.util.acul = 0;
aui[a]->init.util.ramv = 0;
aui[a]->init.util.lmbcs = 5*1024*1024;
}