diff options
Diffstat (limited to 'erts/emulator/beam/erl_process_lock.c')
-rw-r--r-- | erts/emulator/beam/erl_process_lock.c | 181 |
1 files changed, 66 insertions, 115 deletions
diff --git a/erts/emulator/beam/erl_process_lock.c b/erts/emulator/beam/erl_process_lock.c index c0e7380ed0..23c7414901 100644 --- a/erts/emulator/beam/erl_process_lock.c +++ b/erts/emulator/beam/erl_process_lock.c @@ -112,21 +112,13 @@ static struct { erts_pix_lock_t erts_pix_locks[ERTS_NO_OF_PIX_LOCKS]; -#ifdef ERTS_ENABLE_LOCK_COUNT -static void lcnt_enable_proc_lock_count(Process *proc, int enable); -#endif - void erts_init_proc_lock(int cpus) { int i; for (i = 0; i < ERTS_NO_OF_PIX_LOCKS; i++) { -#ifdef ERTS_ENABLE_LOCK_COUNT - erts_mtx_init_x(&erts_pix_locks[i].u.mtx, - "pix_lock", make_small(i)); -#else - erts_mtx_init(&erts_pix_locks[i].u.mtx, "pix_lock"); -#endif + erts_mtx_init(&erts_pix_locks[i].u.mtx, "pix_lock", make_small(i), + ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_PROCESS); } #if ERTS_PROC_LOCK_OWN_IMPL erts_thr_install_exit_handler(cleanup_tse); @@ -944,7 +936,7 @@ erts_pid2proc_opt(Process *c_p, erts_proc_inc_refc(proc); #if ERTS_PROC_LOCK_OWN_IMPL && defined(ERTS_ENABLE_LOCK_COUNT) - erts_lcnt_proc_lock_unaquire(&proc->lock, lcnt_locks); + erts_lcnt_proc_lock_unacquire(&proc->lock, lcnt_locks); #endif managed = dhndl == ERTS_THR_PRGR_DHANDLE_MANAGED; @@ -1062,32 +1054,38 @@ erts_proc_lock_init(Process *p) #endif #elif ERTS_PROC_LOCK_RAW_MUTEX_IMPL - erts_mtx_init_x(&p->lock.main, "proc_main", p->common.id); + erts_mtx_init(&p->lock.main, "proc_main", p->common.id, + ERTS_LOCK_FLAGS_CATEGORY_PROCESS); ethr_mutex_lock(&p->lock.main.mtx); #ifdef ERTS_ENABLE_LOCK_CHECK erts_lc_trylock(1, &p->lock.main.lc); #endif - erts_mtx_init_x(&p->lock.link, "proc_link", p->common.id); + erts_mtx_init(&p->lock.link, "proc_link", p->common.id, + ERTS_LOCK_FLAGS_CATEGORY_PROCESS); ethr_mutex_lock(&p->lock.link.mtx); #ifdef ERTS_ENABLE_LOCK_CHECK erts_lc_trylock(1, &p->lock.link.lc); #endif - erts_mtx_init_x(&p->lock.msgq, "proc_msgq", p->common.id); + erts_mtx_init(&p->lock.msgq, "proc_msgq", p->common.id, + ERTS_LOCK_FLAGS_CATEGORY_PROCESS); ethr_mutex_lock(&p->lock.msgq.mtx); #ifdef ERTS_ENABLE_LOCK_CHECK erts_lc_trylock(1, &p->lock.msgq.lc); #endif - erts_mtx_init_x(&p->lock.btm, "proc_btm", p->common.id); + erts_mtx_init(&p->lock.btm, "proc_btm", p->common.id, + ERTS_LOCK_FLAGS_CATEGORY_PROCESS); ethr_mutex_lock(&p->lock.btm.mtx); #ifdef ERTS_ENABLE_LOCK_CHECK erts_lc_trylock(1, &p->lock.btm.lc); #endif - erts_mtx_init_x(&p->lock.status, "proc_status", p->common.id); + erts_mtx_init(&p->lock.status, "proc_status", p->common.id, + ERTS_LOCK_FLAGS_CATEGORY_PROCESS); ethr_mutex_lock(&p->lock.status.mtx); #ifdef ERTS_ENABLE_LOCK_CHECK erts_lc_trylock(1, &p->lock.status.lc); #endif - erts_mtx_init_x(&p->lock.trace, "proc_trace", p->common.id); + erts_mtx_init(&p->lock.trace, "proc_trace", p->common.id, + ERTS_LOCK_FLAGS_CATEGORY_PROCESS); ethr_mutex_lock(&p->lock.trace.mtx); #ifdef ERTS_ENABLE_LOCK_CHECK erts_lc_trylock(1, &p->lock.trace.lc); @@ -1124,117 +1122,70 @@ erts_proc_lock_fin(Process *p) #if ERTS_PROC_LOCK_OWN_IMPL && defined(ERTS_ENABLE_LOCK_COUNT) -void erts_lcnt_enable_proc_lock_count(int enable) { - int ix, max = erts_ptab_max(&erts_proc); - Process *proc = NULL; - for (ix = 0; ix < max; ++ix) { - if ((proc = erts_pix2proc(ix)) != NULL) - lcnt_enable_proc_lock_count(proc, enable); - } /* for all processes */ -} - void erts_lcnt_proc_lock_init(Process *p) { - if (!(erts_lcnt_rt_options & ERTS_LCNT_OPT_PROCLOCK)) { - erts_lcnt_init_lock_empty(&(p->lock.lcnt_main)); - erts_lcnt_init_lock_empty(&(p->lock.lcnt_link)); - erts_lcnt_init_lock_empty(&(p->lock.lcnt_msgq)); - erts_lcnt_init_lock_empty(&(p->lock.lcnt_btm)); - erts_lcnt_init_lock_empty(&(p->lock.lcnt_status)); - erts_lcnt_init_lock_empty(&(p->lock.lcnt_trace)); - } else { /* now the common case */ - Eterm pid = (p->common.id != ERTS_INVALID_PID) ? p->common.id : NIL; - erts_lcnt_init_lock_x(&(p->lock.lcnt_main), "proc_main", ERTS_LCNT_LT_PROCLOCK, pid); - erts_lcnt_init_lock_x(&(p->lock.lcnt_link), "proc_link", ERTS_LCNT_LT_PROCLOCK, pid); - erts_lcnt_init_lock_x(&(p->lock.lcnt_msgq), "proc_msgq", ERTS_LCNT_LT_PROCLOCK, pid); - erts_lcnt_init_lock_x(&(p->lock.lcnt_btm), "proc_btm", ERTS_LCNT_LT_PROCLOCK, pid); - erts_lcnt_init_lock_x(&(p->lock.lcnt_status),"proc_status",ERTS_LCNT_LT_PROCLOCK, pid); - erts_lcnt_init_lock_x(&(p->lock.lcnt_trace), "proc_trace", ERTS_LCNT_LT_PROCLOCK, pid); - } /* the lock names should really be aligned to four characters */ + erts_lcnt_init_ref(&p->lock.lcnt_carrier); + + if(erts_lcnt_check_enabled(ERTS_LOCK_FLAGS_CATEGORY_PROCESS)) { + erts_lcnt_enable_proc_lock_count(p, 1); + } } /* logic reversed */ void erts_lcnt_proc_lock_destroy(Process *p) { - erts_lcnt_destroy_lock(&(p->lock.lcnt_main)); - erts_lcnt_destroy_lock(&(p->lock.lcnt_link)); - erts_lcnt_destroy_lock(&(p->lock.lcnt_msgq)); - erts_lcnt_destroy_lock(&(p->lock.lcnt_btm)); - erts_lcnt_destroy_lock(&(p->lock.lcnt_status)); - erts_lcnt_destroy_lock(&(p->lock.lcnt_trace)); + erts_lcnt_uninstall(&p->lock.lcnt_carrier); } -static void lcnt_enable_proc_lock_count(Process *proc, int enable) { - if (enable) { - if (!ERTS_LCNT_LOCK_TYPE(&(proc->lock.lcnt_main))) { - erts_lcnt_proc_lock_init(proc); - } - } - else { - if (ERTS_LCNT_LOCK_TYPE(&(proc->lock.lcnt_main))) { - erts_lcnt_proc_lock_destroy(proc); - } +void erts_lcnt_enable_proc_lock_count(Process *proc, int enable) { + if(proc->common.id == ERTS_INVALID_PID) { + /* Locks without an id are more trouble than they're worth; there's no + * way to look them up and we can't track them with _STATIC since it's + * too early to tell whether we're a system process (proc->static_flags + * hasn't been not set yet). */ + } else if(!enable) { + erts_lcnt_proc_lock_destroy(proc); + } else if(!erts_lcnt_check_ref_installed(&proc->lock.lcnt_carrier)) { + erts_lcnt_lock_info_carrier_t *carrier; + + carrier = erts_lcnt_create_lock_info_carrier(ERTS_LCNT_PROCLOCK_COUNT); + + erts_lcnt_init_lock_info_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_MAIN, + "proc_main", proc->common.id, ERTS_LOCK_TYPE_PROCLOCK); + erts_lcnt_init_lock_info_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_LINK, + "proc_link", proc->common.id, ERTS_LOCK_TYPE_PROCLOCK); + erts_lcnt_init_lock_info_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_MSGQ, + "proc_msgq", proc->common.id, ERTS_LOCK_TYPE_PROCLOCK); + erts_lcnt_init_lock_info_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_BTM, + "proc_btm", proc->common.id, ERTS_LOCK_TYPE_PROCLOCK); + erts_lcnt_init_lock_info_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_STATUS, + "proc_status",proc->common.id, ERTS_LOCK_TYPE_PROCLOCK); + erts_lcnt_init_lock_info_idx(carrier, ERTS_LCNT_PROCLOCK_IDX_TRACE, + "proc_trace", proc->common.id, ERTS_LOCK_TYPE_PROCLOCK); + + erts_lcnt_install(&proc->lock.lcnt_carrier, carrier); } } -void erts_lcnt_proc_lock(erts_proc_lock_t *lock, ErtsProcLocks locks) { - if (!(erts_lcnt_rt_options & ERTS_LCNT_OPT_PROCLOCK)) return; - if (locks & ERTS_PROC_LOCK_MAIN) { erts_lcnt_lock(&(lock->lcnt_main)); } - if (locks & ERTS_PROC_LOCK_LINK) { erts_lcnt_lock(&(lock->lcnt_link)); } - if (locks & ERTS_PROC_LOCK_MSGQ) { erts_lcnt_lock(&(lock->lcnt_msgq)); } - if (locks & ERTS_PROC_LOCK_BTM) { erts_lcnt_lock(&(lock->lcnt_btm)); } - if (locks & ERTS_PROC_LOCK_STATUS) { erts_lcnt_lock(&(lock->lcnt_status)); } - if (locks & ERTS_PROC_LOCK_TRACE) { erts_lcnt_lock(&(lock->lcnt_trace)); } -} +void erts_lcnt_update_process_locks(int enable) { + int i, max; -void erts_lcnt_proc_lock_post_x(erts_proc_lock_t *lock, ErtsProcLocks locks, - char *file, unsigned int line) { - if (!(erts_lcnt_rt_options & ERTS_LCNT_OPT_PROCLOCK)) return; - if (locks & ERTS_PROC_LOCK_MAIN) { - erts_lcnt_lock_post_x(&(lock->lcnt_main), file, line); - } - if (locks & ERTS_PROC_LOCK_LINK) { - erts_lcnt_lock_post_x(&(lock->lcnt_link), file, line); - } - if (locks & ERTS_PROC_LOCK_MSGQ) { - erts_lcnt_lock_post_x(&(lock->lcnt_msgq), file, line); - } - if (locks & ERTS_PROC_LOCK_BTM) { - erts_lcnt_lock_post_x(&(lock->lcnt_btm), file, line); - } - if (locks & ERTS_PROC_LOCK_STATUS) { - erts_lcnt_lock_post_x(&(lock->lcnt_status), file, line); - } - if (locks & ERTS_PROC_LOCK_TRACE) { - erts_lcnt_lock_post_x(&(lock->lcnt_trace), file, line); - } -} + max = erts_ptab_max(&erts_proc); -void erts_lcnt_proc_lock_unaquire(erts_proc_lock_t *lock, ErtsProcLocks locks) { - if (!(erts_lcnt_rt_options & ERTS_LCNT_OPT_PROCLOCK)) return; - if (locks & ERTS_PROC_LOCK_MAIN) { erts_lcnt_lock_unaquire(&(lock->lcnt_main)); } - if (locks & ERTS_PROC_LOCK_LINK) { erts_lcnt_lock_unaquire(&(lock->lcnt_link)); } - if (locks & ERTS_PROC_LOCK_MSGQ) { erts_lcnt_lock_unaquire(&(lock->lcnt_msgq)); } - if (locks & ERTS_PROC_LOCK_BTM) { erts_lcnt_lock_unaquire(&(lock->lcnt_btm)); } - if (locks & ERTS_PROC_LOCK_STATUS) { erts_lcnt_lock_unaquire(&(lock->lcnt_status)); } - if (locks & ERTS_PROC_LOCK_TRACE) { erts_lcnt_lock_unaquire(&(lock->lcnt_trace)); } -} + for(i = 0; i < max; i++) { + int delay_handle; + Process *proc; + + delay_handle = erts_thr_progress_unmanaged_delay(); + proc = erts_pix2proc(i); + + if(proc != NULL) { + erts_lcnt_enable_proc_lock_count(proc, enable); + } -void erts_lcnt_proc_unlock(erts_proc_lock_t *lock, ErtsProcLocks locks) { - if (!(erts_lcnt_rt_options & ERTS_LCNT_OPT_PROCLOCK)) return; - if (locks & ERTS_PROC_LOCK_MAIN) { erts_lcnt_unlock(&(lock->lcnt_main)); } - if (locks & ERTS_PROC_LOCK_LINK) { erts_lcnt_unlock(&(lock->lcnt_link)); } - if (locks & ERTS_PROC_LOCK_MSGQ) { erts_lcnt_unlock(&(lock->lcnt_msgq)); } - if (locks & ERTS_PROC_LOCK_BTM) { erts_lcnt_unlock(&(lock->lcnt_btm)); } - if (locks & ERTS_PROC_LOCK_STATUS) { erts_lcnt_unlock(&(lock->lcnt_status)); } - if (locks & ERTS_PROC_LOCK_TRACE) { erts_lcnt_unlock(&(lock->lcnt_trace)); } + if(delay_handle != ERTS_THR_PRGR_DHANDLE_MANAGED) { + erts_thr_progress_unmanaged_continue(delay_handle); + } + } } -void erts_lcnt_proc_trylock(erts_proc_lock_t *lock, ErtsProcLocks locks, int res) { - if (!(erts_lcnt_rt_options & ERTS_LCNT_OPT_PROCLOCK)) return; - if (locks & ERTS_PROC_LOCK_MAIN) { erts_lcnt_trylock(&(lock->lcnt_main), res); } - if (locks & ERTS_PROC_LOCK_LINK) { erts_lcnt_trylock(&(lock->lcnt_link), res); } - if (locks & ERTS_PROC_LOCK_MSGQ) { erts_lcnt_trylock(&(lock->lcnt_msgq), res); } - if (locks & ERTS_PROC_LOCK_BTM) { erts_lcnt_trylock(&(lock->lcnt_btm), res); } - if (locks & ERTS_PROC_LOCK_STATUS) { erts_lcnt_trylock(&(lock->lcnt_status), res); } - if (locks & ERTS_PROC_LOCK_TRACE) { erts_lcnt_trylock(&(lock->lcnt_trace), res); } -} /* reversed logic */ + #endif /* ERTS_ENABLE_LOCK_COUNT */ |