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-rw-r--r--erts/doc/src/erts_alloc.xml22
-rw-r--r--erts/emulator/beam/erl_alloc.c36
-rw-r--r--erts/emulator/beam/erl_alloc_util.c52
-rw-r--r--erts/emulator/beam/erl_alloc_util.h12
-rw-r--r--erts/etc/common/erlexec.c2
5 files changed, 96 insertions, 28 deletions
diff --git a/erts/doc/src/erts_alloc.xml b/erts/doc/src/erts_alloc.xml
index 8ab35851c1..0d2b89ae42 100644
--- a/erts/doc/src/erts_alloc.xml
+++ b/erts/doc/src/erts_alloc.xml
@@ -478,6 +478,28 @@
allocators based on the <c>alloc_util</c> framework, except
<c>temp_alloc</c> (which would be pointless).</p>
</item>
+
+ <tag><marker id="M_acfml"/><c><![CDATA[+M<S>acfml <bytes>]]></c>
+ </tag>
+ <item>
+ <p>Abandon carrier free block min limit. A valid <c><![CDATA[<bytes>]]></c>
+ is a positive integer representing a block size limit. The largest
+ free block in a carrier must be at least <c>bytes</c> large, for the
+ carrier to be abandoned. The default is zero but can be changed
+ in the future.</p>
+ <p>See also <seealso marker="#M_acul"><c>acul</c></seealso>.</p>
+ </item>
+
+ <tag><marker id="M_acnl"/><c><![CDATA[+M<S>acnl <amount>]]></c>
+ </tag>
+ <item>
+ <p>Abandon carrier number limit. A valid <c><![CDATA[<amount>]]></c>
+ is a positive integer representing max number of abandoned carriers per
+ allocator instance. Defaults to 1000 which will practically disable
+ the limit, but this can be changed in the future.</p>
+ <p>See also <seealso marker="#M_acul"><c>acul</c></seealso>.</p>
+ </item>
+
<tag><marker id="M_as"/>
<c><![CDATA[+M<S>as bf|aobf|aoff|aoffcbf|aoffcaobf|gf|af]]></c></tag>
<item>
diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c
index 214fb1f2af..b51cf5bdfc 100644
--- a/erts/emulator/beam/erl_alloc.c
+++ b/erts/emulator/beam/erl_alloc.c
@@ -1372,18 +1372,30 @@ handle_au_arg(struct au_init *auip,
switch (sub_param[0]) {
case 'a':
- if (has_prefix("acul", sub_param)) {
- if (!auip->carrier_migration_allowed) {
- if (!u_switch)
- goto bad_switch;
- else {
- /* ignore */
- (void) get_acul_value(auip, sub_param + 4, argv, ip);
- break;
- }
- }
- auip->init.util.acul = get_acul_value(auip, sub_param + 4, argv, ip);
- }
+ if (sub_param[1] == 'c') { /* Migration parameters "ac*" */
+ UWord value;
+ UWord* wp;
+ if (!auip->carrier_migration_allowed && !u_switch)
+ goto bad_switch;
+
+ if (has_prefix("acul", sub_param)) {
+ value = get_acul_value(auip, sub_param + 4, argv, ip);
+ wp = &auip->init.util.acul;
+ }
+ else if (has_prefix("acnl", sub_param)) {
+ value = get_amount_value(sub_param + 4, argv, ip);
+ wp = &auip->init.util.acnl;
+ }
+ else if (has_prefix("acfml", sub_param)) {
+ value = get_amount_value(sub_param + 5, argv, ip);
+ wp = &auip->init.util.acfml;
+ }
+ else
+ goto bad_switch;
+
+ if (auip->carrier_migration_allowed)
+ *wp = value;
+ }
else if(has_prefix("asbcst", sub_param)) {
auip->init.util.asbcst = get_kb_value(sub_param + 6, argv, ip);
}
diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c
index 230ca6ccbb..016d85fe2a 100644
--- a/erts/emulator/beam/erl_alloc_util.c
+++ b/erts/emulator/beam/erl_alloc_util.c
@@ -2170,6 +2170,7 @@ static ERTS_INLINE void
check_abandon_carrier(Allctr_t *allctr, Block_t *fblk, Carrier_t **busy_pcrr_pp)
{
Carrier_t *crr;
+ UWord ncrr_in_pool, largest_fblk;
if (busy_pcrr_pp && *busy_pcrr_pp)
return;
@@ -2181,8 +2182,7 @@ check_abandon_carrier(Allctr_t *allctr, Block_t *fblk, Carrier_t **busy_pcrr_pp)
if (--allctr->cpool.check_limit_count <= 0)
set_new_allctr_abandon_limit(allctr);
- if (!erts_thr_progress_is_managed_thread())
- return;
+ ASSERT(erts_thr_progress_is_managed_thread());
if (allctr->cpool.disable_abandon)
return;
@@ -2190,6 +2190,9 @@ check_abandon_carrier(Allctr_t *allctr, Block_t *fblk, Carrier_t **busy_pcrr_pp)
if (allctr->mbcs.blocks.curr.size > allctr->cpool.abandon_limit)
return;
+ ncrr_in_pool = erts_atomic_read_nob(&allctr->cpool.stat.no_carriers);
+ if (ncrr_in_pool >= allctr->cpool.in_pool_limit)
+ return;
crr = FBLK_TO_MBC(fblk);
@@ -2200,9 +2203,14 @@ check_abandon_carrier(Allctr_t *allctr, Block_t *fblk, Carrier_t **busy_pcrr_pp)
return;
if (crr->cpool.thr_prgr != ERTS_THR_PRGR_INVALID
- && !erts_thr_progress_has_reached(crr->cpool.thr_prgr))
- return;
+ && !erts_thr_progress_has_reached(crr->cpool.thr_prgr))
+ return;
+
+ largest_fblk = allctr->largest_fblk_in_mbc(allctr, crr);
+ if (largest_fblk < allctr->cpool.fblk_min_limit)
+ return;
+ erts_atomic_set_nob(&crr->cpool.max_size, largest_fblk);
abandon_carrier(allctr, crr);
}
@@ -3626,8 +3634,6 @@ set_new_allctr_abandon_limit(Allctr_t *allctr)
static void
abandon_carrier(Allctr_t *allctr, Carrier_t *crr)
{
- erts_aint_t max_size;
-
STAT_MBC_CPOOL_INSERT(allctr, crr);
unlink_carrier(&allctr->mbc_list, crr);
@@ -3637,9 +3643,6 @@ abandon_carrier(Allctr_t *allctr, Carrier_t *crr)
allctr->remove_mbc(allctr, crr);
- max_size = (erts_aint_t) allctr->largest_fblk_in_mbc(allctr, crr);
- erts_atomic_set_nob(&crr->cpool.max_size, max_size);
-
cpool_insert(allctr, crr);
set_new_allctr_abandon_limit(allctr);
@@ -4240,6 +4243,8 @@ static struct {
Eterm smbcs;
Eterm mbcgs;
Eterm acul;
+ Eterm acnl;
+ Eterm acfml;
#if HAVE_ERTS_MSEG
Eterm mmc;
@@ -4330,6 +4335,8 @@ init_atoms(Allctr_t *allctr)
AM_INIT(smbcs);
AM_INIT(mbcgs);
AM_INIT(acul);
+ AM_INIT(acnl);
+ AM_INIT(acfml);
#if HAVE_ERTS_MSEG
AM_INIT(mmc);
@@ -4889,7 +4896,7 @@ info_options(Allctr_t *allctr,
Uint *szp)
{
Eterm res = THE_NON_VALUE;
- int acul;
+ UWord acul, acnl, acfml;
if (!allctr) {
if (print_to_p)
@@ -4903,8 +4910,10 @@ info_options(Allctr_t *allctr,
#ifdef ERTS_SMP
acul = allctr->cpool.util_limit;
+ acnl = allctr->cpool.in_pool_limit;
+ acfml = allctr->cpool.fblk_min_limit;
#else
- acul = 0;
+ acul = 0; acnl = 0; acfml = 0;
#endif
if (print_to_p) {
@@ -4933,7 +4942,7 @@ info_options(Allctr_t *allctr,
"option lmbcs: %beu\n"
"option smbcs: %beu\n"
"option mbcgs: %beu\n"
- "option acul: %d\n",
+ "option acul: %bpu\n",
topt,
allctr->ramv ? "true" : "false",
allctr->sbc_threshold,
@@ -4958,9 +4967,15 @@ info_options(Allctr_t *allctr,
hpp, szp);
if (hpp || szp) {
+ add_2tup(hpp, szp, &res,
+ am.acfml,
+ bld_uint(hpp, szp, acfml));
+ add_2tup(hpp, szp, &res,
+ am.acnl,
+ bld_uint(hpp, szp, acnl));
add_2tup(hpp, szp, &res,
am.acul,
- bld_uint(hpp, szp, (UWord) acul));
+ bld_uint(hpp, szp, acul));
add_2tup(hpp, szp, &res,
am.mbcgs,
bld_uint(hpp, szp, allctr->mbc_growth_stages));
@@ -6062,7 +6077,16 @@ 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->ts ? 0 : init->acul;
+ if (!init->ts && init->acul && init->acnl) {
+ allctr->cpool.util_limit = init->acul;
+ allctr->cpool.in_pool_limit = init->acnl;
+ allctr->cpool.fblk_min_limit = init->acfml;
+ }
+ else {
+ allctr->cpool.util_limit = 0;
+ allctr->cpool.in_pool_limit = 0;
+ allctr->cpool.fblk_min_limit = 0;
+ }
#endif
allctr->sbc_threshold = init->sbct;
diff --git a/erts/emulator/beam/erl_alloc_util.h b/erts/emulator/beam/erl_alloc_util.h
index 81180382af..d2cdc3a320 100644
--- a/erts/emulator/beam/erl_alloc_util.h
+++ b/erts/emulator/beam/erl_alloc_util.h
@@ -63,7 +63,9 @@ typedef struct {
UWord lmbcs;
UWord smbcs;
UWord mbcgs;
- int acul;
+ UWord acul;
+ UWord acnl;
+ UWord acfml;
void *fix;
size_t *fix_type_size;
@@ -118,6 +120,8 @@ typedef struct {
1024*1024, /* (bytes) smbcs: smallest mbc size */\
10, /* (amount) mbcgs: mbc growth stages */\
0, /* (%) acul: abandon carrier utilization limit */\
+ 1000, /* (amount) acnl: abandoned carriers number limit */\
+ 0, /* (bytes) acfml: abandoned carrier fblk min limit */\
/* --- Data not options -------------------------------------------- */\
NULL, /* (ptr) fix */\
NULL /* (ptr) fix_type_size */\
@@ -151,6 +155,8 @@ typedef struct {
128*1024, /* (bytes) smbcs: smallest mbc size */\
10, /* (amount) mbcgs: mbc growth stages */\
0, /* (%) acul: abandon carrier utilization limit */\
+ 1000, /* (amount) acnl: abandoned carriers number limit */\
+ 0, /* (bytes) acfml: abandoned carrier fblk min limit */\
/* --- Data not options -------------------------------------------- */\
NULL, /* (ptr) fix */\
NULL /* (ptr) fix_type_size */\
@@ -568,7 +574,9 @@ struct Allctr_t_ {
UWord abandon_limit;
int disable_abandon;
int check_limit_count;
- int util_limit;
+ UWord util_limit; /* acul */
+ UWord in_pool_limit; /* acnl */
+ UWord fblk_min_limit; /* acmfl */
struct {
erts_atomic_t blocks_size;
erts_atomic_t no_blocks;
diff --git a/erts/etc/common/erlexec.c b/erts/etc/common/erlexec.c
index 2b2e0e480a..864b16ce0e 100644
--- a/erts/etc/common/erlexec.c
+++ b/erts/etc/common/erlexec.c
@@ -84,6 +84,8 @@ static char *plusM_au_alloc_switches[] = {
"as",
"asbcst",
"acul",
+ "acnl",
+ "acfml",
"e",
"t",
"lmbcs",
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 06:35:02 +0000