diff options
Diffstat (limited to 'erts')
-rw-r--r-- | erts/emulator/beam/atom.c | 2 | ||||
-rw-r--r-- | erts/emulator/beam/erl_db.c | 4 | ||||
-rw-r--r-- | erts/emulator/beam/erl_db_hash.c | 2 | ||||
-rw-r--r-- | erts/emulator/beam/erl_fun.c | 2 | ||||
-rw-r--r-- | erts/emulator/beam/erl_node_tables.c | 4 | ||||
-rw-r--r-- | erts/emulator/beam/export.c | 2 | ||||
-rw-r--r-- | erts/emulator/beam/register.c | 2 | ||||
-rw-r--r-- | erts/lib_src/common/ethr_mutex.c | 31 |
8 files changed, 28 insertions, 21 deletions
diff --git a/erts/emulator/beam/atom.c b/erts/emulator/beam/atom.c index 6b3c106a97..b97705ed96 100644 --- a/erts/emulator/beam/atom.c +++ b/erts/emulator/beam/atom.c @@ -303,7 +303,7 @@ init_atom_table(void) HashFunctions f; int i; Atom a; - erts_smp_rwmtx_opt_t rwmtx_opt = ERTS_SMP_THR_OPTS_DEFAULT_INITER; + erts_smp_rwmtx_opt_t rwmtx_opt = ERTS_SMP_RWMTX_OPT_DEFAULT_INITER; rwmtx_opt.type = ERTS_SMP_RWMTX_TYPE_FREQUENT_READ; rwmtx_opt.lived = ERTS_SMP_RWMTX_LONG_LIVED; diff --git a/erts/emulator/beam/erl_db.c b/erts/emulator/beam/erl_db.c index b0369a402b..52d5f86ee0 100644 --- a/erts/emulator/beam/erl_db.c +++ b/erts/emulator/beam/erl_db.c @@ -265,7 +265,7 @@ static ERTS_INLINE void db_init_lock(DbTable* tb, int use_frequent_read_lock, char *rwname, char* fixname) { #ifdef ERTS_SMP - erts_smp_rwmtx_opt_t rwmtx_opt = ERTS_SMP_THR_OPTS_DEFAULT_INITER; + erts_smp_rwmtx_opt_t rwmtx_opt = ERTS_SMP_RWMTX_OPT_DEFAULT_INITER; if (use_frequent_read_lock) rwmtx_opt.type = ERTS_SMP_RWMTX_TYPE_FREQUENT_READ; #endif @@ -2746,7 +2746,7 @@ void init_db(void) size_t size; #ifdef ERTS_SMP - erts_smp_rwmtx_opt_t rwmtx_opt = ERTS_SMP_THR_OPTS_DEFAULT_INITER; + erts_smp_rwmtx_opt_t rwmtx_opt = ERTS_SMP_RWMTX_OPT_DEFAULT_INITER; rwmtx_opt.type = ERTS_SMP_RWMTX_TYPE_FREQUENT_READ; rwmtx_opt.lived = ERTS_SMP_RWMTX_LONG_LIVED; diff --git a/erts/emulator/beam/erl_db_hash.c b/erts/emulator/beam/erl_db_hash.c index 5abd2e50fa..fa707f4eed 100644 --- a/erts/emulator/beam/erl_db_hash.c +++ b/erts/emulator/beam/erl_db_hash.c @@ -623,7 +623,7 @@ int db_create_hash(Process *p, DbTable *tbl) erts_smp_atomic_init(&tb->is_resizing, 0); #ifdef ERTS_SMP if (tb->common.type & DB_FINE_LOCKED) { - erts_smp_rwmtx_opt_t rwmtx_opt = ERTS_SMP_THR_OPTS_DEFAULT_INITER; + erts_smp_rwmtx_opt_t rwmtx_opt = ERTS_SMP_RWMTX_OPT_DEFAULT_INITER; int i; if (tb->common.type & DB_FREQ_READ) rwmtx_opt.type = ERTS_SMP_RWMTX_TYPE_FREQUENT_READ; diff --git a/erts/emulator/beam/erl_fun.c b/erts/emulator/beam/erl_fun.c index 5dce5ad262..84869f12d6 100644 --- a/erts/emulator/beam/erl_fun.c +++ b/erts/emulator/beam/erl_fun.c @@ -55,7 +55,7 @@ void erts_init_fun_table(void) { HashFunctions f; - erts_smp_rwmtx_opt_t rwmtx_opt = ERTS_SMP_THR_OPTS_DEFAULT_INITER; + erts_smp_rwmtx_opt_t rwmtx_opt = ERTS_SMP_RWMTX_OPT_DEFAULT_INITER; rwmtx_opt.type = ERTS_SMP_RWMTX_TYPE_FREQUENT_READ; rwmtx_opt.lived = ERTS_SMP_RWMTX_LONG_LIVED; diff --git a/erts/emulator/beam/erl_node_tables.c b/erts/emulator/beam/erl_node_tables.c index e430b4ad77..d0b08bf72e 100644 --- a/erts/emulator/beam/erl_node_tables.c +++ b/erts/emulator/beam/erl_node_tables.c @@ -80,7 +80,7 @@ dist_table_alloc(void *dep_tmpl) Eterm chnl_nr; Eterm sysname; DistEntry *dep; - erts_smp_rwmtx_opt_t rwmtx_opt = ERTS_SMP_THR_OPTS_DEFAULT_INITER; + erts_smp_rwmtx_opt_t rwmtx_opt = ERTS_SMP_RWMTX_OPT_DEFAULT_INITER; rwmtx_opt.type = ERTS_SMP_RWMTX_TYPE_FREQUENT_READ; if(((DistEntry *) dep_tmpl) == erts_this_dist_entry) @@ -710,7 +710,7 @@ erts_set_this_node(Eterm sysname, Uint creation) void erts_init_node_tables(void) { - erts_smp_rwmtx_opt_t rwmtx_opt = ERTS_SMP_THR_OPTS_DEFAULT_INITER; + erts_smp_rwmtx_opt_t rwmtx_opt = ERTS_SMP_RWMTX_OPT_DEFAULT_INITER; HashFunctions f; rwmtx_opt.type = ERTS_SMP_RWMTX_TYPE_FREQUENT_READ; diff --git a/erts/emulator/beam/export.c b/erts/emulator/beam/export.c index 5e81a2d624..5bc402fe22 100644 --- a/erts/emulator/beam/export.c +++ b/erts/emulator/beam/export.c @@ -109,7 +109,7 @@ void init_export_table(void) { HashFunctions f; - erts_smp_rwmtx_opt_t rwmtx_opt = ERTS_SMP_THR_OPTS_DEFAULT_INITER; + erts_smp_rwmtx_opt_t rwmtx_opt = ERTS_SMP_RWMTX_OPT_DEFAULT_INITER; rwmtx_opt.type = ERTS_SMP_RWMTX_TYPE_FREQUENT_READ; rwmtx_opt.lived = ERTS_SMP_RWMTX_LONG_LIVED; diff --git a/erts/emulator/beam/register.c b/erts/emulator/beam/register.c index c9bb7bbe91..26d64887d0 100644 --- a/erts/emulator/beam/register.c +++ b/erts/emulator/beam/register.c @@ -145,7 +145,7 @@ static void reg_free(RegProc *obj) void init_register_table(void) { HashFunctions f; - erts_smp_rwmtx_opt_t rwmtx_opt = ERTS_SMP_THR_OPTS_DEFAULT_INITER; + erts_smp_rwmtx_opt_t rwmtx_opt = ERTS_SMP_RWMTX_OPT_DEFAULT_INITER; rwmtx_opt.type = ERTS_SMP_RWMTX_TYPE_FREQUENT_READ; rwmtx_opt.lived = ERTS_SMP_RWMTX_LONG_LIVED; diff --git a/erts/lib_src/common/ethr_mutex.c b/erts/lib_src/common/ethr_mutex.c index aac0d44a32..ccceb61714 100644 --- a/erts/lib_src/common/ethr_mutex.c +++ b/erts/lib_src/common/ethr_mutex.c @@ -35,7 +35,7 @@ #define ETHR_SPIN_WITH_WAITERS 1 -#define ETHR_MTX_MAX_FLGS_SPIN 1000 +#define ETHR_MTX_MAX_FLGS_SPIN 10 #ifdef ETHR_USE_OWN_RWMTX_IMPL__ static int default_rwmtx_main_spincount; @@ -593,24 +593,31 @@ initial_spincount(struct ethr_mutex_base_ *mtxb) static ETHR_INLINE int update_spincount(struct ethr_mutex_base_ *mtxb, ethr_ts_event *tse, - int *start_scnt, + int *scnt_state, int *scnt) { - int sscnt = *start_scnt; - if (sscnt < 0) { - *scnt = ((tse->iflgs & ETHR_TS_EV_MAIN_THR) - ? mtxb->main_scnt - : mtxb->aux_scnt); - *scnt -= ETHR_MTX_MAX_FLGS_SPIN; + int state = *scnt_state; + if (state <= 0) { + /* Here state is max spincount to do on event negated */ + *scnt = -state; } else { + /* Here state is initial spincount made on flags */ *scnt = ((tse->iflgs & ETHR_TS_EV_MAIN_THR) ? mtxb->main_scnt : mtxb->aux_scnt); - *scnt -= sscnt; - if (*scnt > 0 && sscnt < ETHR_MTX_MAX_FLGS_SPIN) { - *scnt = ETHR_MTX_MAX_FLGS_SPIN - sscnt; - *start_scnt = -1; + if (*scnt <= state) + *scnt = 0; + else { + if (*scnt <= ETHR_MTX_MAX_FLGS_SPIN) + *scnt_state = 0; /* No spin on event */ + else { + /* Spin on event after... */ + *scnt_state = -1*(*scnt - ETHR_MTX_MAX_FLGS_SPIN); + /* ... we have spun on flags */ + *scnt = ETHR_MTX_MAX_FLGS_SPIN; + } + *scnt -= state; return 0; } } |