diff options
Diffstat (limited to 'erts/emulator/beam/erl_init.c')
| -rw-r--r-- | erts/emulator/beam/erl_init.c | 165 |
1 files changed, 8 insertions, 157 deletions
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c index 5206d7564f..8c14c86219 100644 --- a/erts/emulator/beam/erl_init.c +++ b/erts/emulator/beam/erl_init.c @@ -69,16 +69,8 @@ * The variables below (prefixed with etp_) are for erts/etc/unix/etp-commands * only. Do not remove even though they aren't used elsewhere in the emulator! */ -#ifdef ERTS_SMP const int etp_smp_compiled = 1; -#else -const int etp_smp_compiled = 0; -#endif -#ifdef USE_THREADS const int etp_thread_compiled = 1; -#else -const int etp_thread_compiled = 0; -#endif const char etp_erts_version[] = ERLANG_VERSION; const char etp_otp_release[] = ERLANG_OTP_RELEASE; const char etp_compile_date[] = ERLANG_COMPILE_DATE; @@ -156,17 +148,10 @@ static void erl_init(int ncpu, static erts_atomic_t exiting; -#ifdef ERTS_SMP -erts_smp_atomic32_t erts_writing_erl_crash_dump; +erts_atomic32_t erts_writing_erl_crash_dump; erts_tsd_key_t erts_is_crash_dumping_key; -#else -volatile int erts_writing_erl_crash_dump = 0; -#endif int erts_initialized = 0; -#if defined(USE_THREADS) && !defined(ERTS_SMP) -erts_tid_t erts_main_thread; -#endif int erts_use_sender_punish; @@ -185,7 +170,7 @@ int erts_backtrace_depth; /* How many functions to show in a backtrace * in error codes. */ -erts_smp_atomic32_t erts_max_gen_gcs; +erts_atomic32_t erts_max_gen_gcs; Eterm erts_error_logger_warnings; /* What to map warning logs to, am_error, am_info or am_warning, am_error is @@ -195,11 +180,9 @@ int erts_compat_rel; static int no_schedulers; static int no_schedulers_online; -#ifdef ERTS_DIRTY_SCHEDULERS static int no_dirty_cpu_schedulers; static int no_dirty_cpu_schedulers_online; static int no_dirty_io_schedulers; -#endif #ifdef DEBUG Uint32 verbose; /* See erl_debug.h for information about verbose */ @@ -328,11 +311,9 @@ erl_init(int ncpu, erts_init_process(ncpu, proc_tab_sz, legacy_proc_tab); erts_init_scheduling(no_schedulers, no_schedulers_online -#ifdef ERTS_DIRTY_SCHEDULERS , no_dirty_cpu_schedulers, no_dirty_cpu_schedulers_online, no_dirty_io_schedulers -#endif ); erts_late_init_time_sup(); erts_init_cpu_topology(); /* Must be after init_scheduling */ @@ -410,7 +391,7 @@ erl_first_process_otp(char* modname, void* code, unsigned size, int argc, char** */ erts_init_empty_process(&parent); - erts_smp_proc_lock(&parent, ERTS_PROC_LOCK_MAIN); + erts_proc_lock(&parent, ERTS_PROC_LOCK_MAIN); hp = HAlloc(&parent, argc*2 + 4); args = NIL; for (i = argc-1; i >= 0; i--) { @@ -425,7 +406,7 @@ erl_first_process_otp(char* modname, void* code, unsigned size, int argc, char** so.flags = erts_default_spo_flags|SPO_SYSTEM_PROC; res = erl_create_process(&parent, start_mod, am_start, args, &so); - erts_smp_proc_unlock(&parent, ERTS_PROC_LOCK_MAIN); + erts_proc_unlock(&parent, ERTS_PROC_LOCK_MAIN); erts_cleanup_empty_process(&parent); return res; } @@ -450,7 +431,7 @@ erl_system_process_otp(Eterm parent_pid, char* modname, int off_heap_msgq) if (off_heap_msgq) so.flags |= SPO_OFF_HEAP_MSGQ; res = erl_create_process(parent, start_mod, am_start, NIL, &so); - erts_smp_proc_unlock(parent, ERTS_PROC_LOCK_MAIN); + erts_proc_unlock(parent, ERTS_PROC_LOCK_MAIN); return res; } @@ -624,7 +605,6 @@ void erts_usage(void) ERTS_SCHED_THREAD_MIN_STACK_SIZE, ERTS_SCHED_THREAD_MAX_STACK_SIZE, ERTS_DEFAULT_SCHED_STACK_SIZE); -#ifdef ERTS_DIRTY_SCHEDULERS erts_fprintf(stderr, "-sssdcpu size suggested stack size in kilo words for dirty CPU scheduler\n"); erts_fprintf(stderr, " threads, valid range is [%d-%d] (default %d)\n", ERTS_SCHED_THREAD_MIN_STACK_SIZE, @@ -635,7 +615,6 @@ void erts_usage(void) ERTS_SCHED_THREAD_MIN_STACK_SIZE, ERTS_SCHED_THREAD_MAX_STACK_SIZE, ERTS_DEFAULT_DIO_SCHED_STACK_SIZE); -#endif erts_fprintf(stderr, "-spp Bool set port parallelism scheduling hint\n"); erts_fprintf(stderr, "-S n1:n2 set number of schedulers (n1), and number of\n"); erts_fprintf(stderr, " schedulers online (n2), maximum for both\n"); @@ -644,7 +623,6 @@ void erts_usage(void) erts_fprintf(stderr, "-SP p1:p2 specify schedulers (p1) and schedulers online (p2)\n"); erts_fprintf(stderr, " as percentages of logical processors configured and logical\n"); erts_fprintf(stderr, " processors available, respectively\n"); -#ifdef ERTS_DIRTY_SCHEDULERS erts_fprintf(stderr, "-SDcpu n1:n2 set number of dirty CPU schedulers (n1), and number of\n"); erts_fprintf(stderr, " dirty CPU schedulers online (n2), valid range for both\n"); erts_fprintf(stderr, " numbers is [1-%d], and n2 must be less than or equal to n1\n", @@ -654,7 +632,6 @@ void erts_usage(void) erts_fprintf(stderr, " and logical processors available, respectively\n"); erts_fprintf(stderr, "-SDio n set number of dirty I/O schedulers, valid range is [0-%d]\n", ERTS_MAX_NO_OF_DIRTY_IO_SCHEDULERS); -#endif erts_fprintf(stderr, "-t size set the maximum number of atoms the emulator can handle\n"); erts_fprintf(stderr, " valid range is [%d-%d]\n", MIN_ATOM_TABLE_SIZE, MAX_ATOM_TABLE_SIZE); @@ -682,7 +659,6 @@ void erts_usage(void) erts_exit(1, ""); } -#ifdef USE_THREADS /* * allocators for thread lib */ @@ -724,7 +700,6 @@ static void ethr_ll_free(void *ptr) erts_free(ERTS_ALC_T_ETHR_LL, ptr); } -#endif static int early_init(int *argc, char **argv) /* @@ -742,21 +717,16 @@ early_init(int *argc, char **argv) /* int schdlrs_percentage = 100; int schdlrs_onln_percentage = 100; int max_main_threads; -#ifdef ERTS_DIRTY_SCHEDULERS int dirty_cpu_scheds; int dirty_cpu_scheds_online; int dirty_cpu_scheds_pctg = 100; int dirty_cpu_scheds_onln_pctg = 100; int dirty_io_scheds; -#endif int max_reader_groups; int reader_groups; char envbuf[21]; /* enough for any 64-bit integer */ size_t envbufsz; -#if defined(USE_THREADS) && !defined(ERTS_SMP) - erts_main_thread = erts_thr_self(); -#endif erts_save_emu_args(*argc, argv); @@ -781,11 +751,6 @@ early_init(int *argc, char **argv) /* &ncpu, &ncpuonln, &ncpuavail); -#ifndef ERTS_SMP - ncpu = 1; - ncpuonln = 1; - ncpuavail = 1; -#endif ignore_break = 0; replace_intr = 0; @@ -797,18 +762,12 @@ early_init(int *argc, char **argv) /* erts_sys_pre_init(); erts_atomic_init_nob(&exiting, 0); -#ifdef ERTS_SMP erts_thr_progress_pre_init(); -#endif -#ifdef ERTS_SMP - erts_smp_atomic32_init_nob(&erts_writing_erl_crash_dump, 0L); + erts_atomic32_init_nob(&erts_writing_erl_crash_dump, 0L); erts_tsd_key_create(&erts_is_crash_dumping_key,"erts_is_crash_dumping_key"); -#else - erts_writing_erl_crash_dump = 0; -#endif - erts_smp_atomic32_init_nob(&erts_max_gen_gcs, + erts_atomic32_init_nob(&erts_max_gen_gcs, (erts_aint32_t) ((Uint16) -1)); erts_pre_init_process(); @@ -825,11 +784,9 @@ early_init(int *argc, char **argv) /* schdlrs = no_schedulers; schdlrs_onln = no_schedulers_online; -#ifdef ERTS_DIRTY_SCHEDULERS dirty_cpu_scheds = no_schedulers; dirty_cpu_scheds_online = no_schedulers_online; dirty_io_scheds = 10; -#endif envbufsz = sizeof(envbuf); @@ -922,7 +879,6 @@ early_init(int *argc, char **argv) /* ("using %d:%d scheduler percentages\n", schdlrs_percentage, schdlrs_onln_percentage)); } -#ifdef ERTS_DIRTY_SCHEDULERS else if (argv[i][2] == 'D') { char *arg; char *type = argv[i]+3; @@ -1034,7 +990,6 @@ early_init(int *argc, char **argv) /* break; } } -#endif else { int tot, onln; char *arg = get_arg(argv[i]+2, argv[i+1], &i); @@ -1093,7 +1048,6 @@ early_init(int *argc, char **argv) /* i++; } -#ifdef ERTS_SMP /* apply any scheduler percentages */ if (schdlrs_percentage != 100 || schdlrs_onln_percentage != 100) { schdlrs = schdlrs * schdlrs_percentage / 100; @@ -1117,12 +1071,6 @@ early_init(int *argc, char **argv) /* erts_usage(); } } -#else - /* Silence gcc warnings */ - (void)schdlrs_percentage; - (void)schdlrs_onln_percentage; -#endif -#ifdef ERTS_DIRTY_SCHEDULERS /* apply any dirty scheduler precentages */ if (dirty_cpu_scheds_pctg != 100 || dirty_cpu_scheds_onln_pctg != 100) { dirty_cpu_scheds = dirty_cpu_scheds * dirty_cpu_scheds_pctg / 100; @@ -1136,33 +1084,22 @@ early_init(int *argc, char **argv) /* dirty_cpu_scheds_online = schdlrs_onln; if (dirty_cpu_scheds_online < 1) dirty_cpu_scheds_online = 1; -#endif } -#ifndef USE_THREADS - erts_async_max_threads = 0; -#endif -#ifdef ERTS_SMP no_schedulers = schdlrs; no_schedulers_online = schdlrs_onln; erts_no_schedulers = (Uint) no_schedulers; -#else - erts_no_schedulers = 1; -#endif -#ifdef ERTS_DIRTY_SCHEDULERS erts_no_dirty_cpu_schedulers = no_dirty_cpu_schedulers = dirty_cpu_scheds; no_dirty_cpu_schedulers_online = dirty_cpu_scheds_online; erts_no_dirty_io_schedulers = no_dirty_io_schedulers = dirty_io_scheds; -#endif erts_early_init_scheduling(no_schedulers); alloc_opts.ncpu = ncpu; erts_alloc_init(argc, argv, &alloc_opts); /* Handles (and removes) -M flags. */ /* Require allocators */ -#ifdef ERTS_SMP /* * Thread progress management: * @@ -1177,15 +1114,10 @@ early_init(int *argc, char **argv) /* */ erts_thr_progress_init(no_schedulers, no_schedulers+2, -#ifndef ERTS_DIRTY_SCHEDULERS - erts_async_max_threads -#else erts_async_max_threads + erts_no_dirty_cpu_schedulers + erts_no_dirty_io_schedulers -#endif ); -#endif erts_thr_q_init(); erts_init_utils(); erts_early_init_cpu_topology(no_schedulers, @@ -1193,7 +1125,6 @@ early_init(int *argc, char **argv) /* max_reader_groups, &reader_groups); -#ifdef USE_THREADS { erts_thr_late_init_data_t elid = ERTS_THR_LATE_INIT_DATA_DEF_INITER; elid.mem.std.alloc = ethr_std_alloc; @@ -1210,7 +1141,6 @@ early_init(int *argc, char **argv) /* erts_thr_late_init(&elid); } -#endif erts_msacc_early_init(); #ifdef ERTS_ENABLE_LOCK_CHECK @@ -1237,40 +1167,6 @@ early_init(int *argc, char **argv) /* return ncpu; } -#ifndef ERTS_SMP - -void *erts_scheduler_stack_limit; - - -static void set_main_stack_size(void) -{ - char c; - UWord stacksize; -# if HAVE_DECL_GETRLIMIT && HAVE_DECL_SETRLIMIT && HAVE_DECL_RLIMIT_STACK - struct rlimit rl; - int bytes; - stacksize = erts_sched_thread_suggested_stack_size * sizeof(Uint) * 1024; - /* Add some extra pages... neede by some systems... */ - bytes = (int) stacksize + 3*erts_sys_get_page_size(); - if (getrlimit(RLIMIT_STACK, &rl) != 0 || - (rl.rlim_cur = bytes, setrlimit(RLIMIT_STACK, &rl) != 0)) { - erts_fprintf(stderr, "failed to set stack size for scheduler " - "thread to %d bytes\n", bytes); - erts_usage(); - } -# else - if (modified_sched_thread_suggested_stack_size) { - erts_fprintf(stderr, "no OS support for dynamic stack size limit\n"); - erts_usage(); - } - /* Be conservative and hope it is not more than 64 kWords... */ - stacksize = 64*1024*sizeof(void *); -# endif - - erts_scheduler_stack_limit = erts_calc_stacklimit(&c, stacksize); -} - -#endif void erl_start(int argc, char **argv) @@ -1304,7 +1200,7 @@ erl_start(int argc, char **argv) envbufsz = sizeof(envbuf); if (erts_sys_getenv_raw("ERL_FULLSWEEP_AFTER", envbuf, &envbufsz) == 0) { Uint16 max_gen_gcs = atoi(envbuf); - erts_smp_atomic32_set_nob(&erts_max_gen_gcs, + erts_atomic32_set_nob(&erts_max_gen_gcs, (erts_aint32_t) max_gen_gcs); } @@ -1319,10 +1215,8 @@ erl_start(int argc, char **argv) * a lot of stack. */ erts_sched_thread_suggested_stack_size = ERTS_DEFAULT_SCHED_STACK_SIZE; -#ifdef ERTS_DIRTY_SCHEDULERS erts_dcpu_sched_thread_suggested_stack_size = ERTS_DEFAULT_DCPU_SCHED_STACK_SIZE; erts_dio_sched_thread_suggested_stack_size = ERTS_DEFAULT_DIO_SCHED_STACK_SIZE; -#endif #ifdef DEBUG verbose = DEBUG_DEFAULT; @@ -1490,12 +1384,8 @@ erl_start(int argc, char **argv) #ifdef DEBUG strcat(tmp, ",DEBUG"); #endif -#ifdef ERTS_SMP strcat(tmp, ",SMP"); -#endif -#ifdef USE_THREADS strcat(tmp, ",ASYNC_THREADS"); -#endif #ifdef HIPE strcat(tmp, ",HIPE"); #endif @@ -1941,7 +1831,6 @@ erl_start(int argc, char **argv) VERBOSE(DEBUG_SYSTEM, ("scheduler wakeup threshold: %s\n", arg)); } -#ifdef ERTS_DIRTY_SCHEDULERS else if (has_prefix("ssdcpu", sub_param)) { /* suggested stack size (Kilo Words) for dirty CPU scheduler threads */ arg = get_arg(sub_param+6, argv[i+1], &i); @@ -1976,7 +1865,6 @@ erl_start(int argc, char **argv) ("suggested dirty IO scheduler thread stack size %d kilo words\n", erts_dio_sched_thread_suggested_stack_size)); } -#endif else if (has_prefix("ss", sub_param)) { /* suggested stack size (Kilo Words) for scheduler threads */ arg = get_arg(sub_param+2, argv[i+1], &i); @@ -2007,9 +1895,7 @@ erl_start(int argc, char **argv) arg); erts_usage(); } -#ifdef ERTS_SMP erts_runq_supervision_interval = val; -#endif } else { erts_fprintf(stderr, "bad scheduling option %s\n", argv[i]); @@ -2293,12 +2179,10 @@ erl_start(int argc, char **argv) if (erts_sched_thread_suggested_stack_size < ERTS_SCHED_THREAD_MIN_STACK_SIZE) erts_sched_thread_suggested_stack_size = ERTS_SCHED_THREAD_MIN_STACK_SIZE; -#ifdef ERTS_DIRTY_SCHEDULERS if (erts_dcpu_sched_thread_suggested_stack_size < ERTS_SCHED_THREAD_MIN_STACK_SIZE) erts_dcpu_sched_thread_suggested_stack_size = ERTS_SCHED_THREAD_MIN_STACK_SIZE; if (erts_dio_sched_thread_suggested_stack_size < ERTS_SCHED_THREAD_MIN_STACK_SIZE) erts_dio_sched_thread_suggested_stack_size = ERTS_SCHED_THREAD_MIN_STACK_SIZE; -#endif erl_init(ncpu, proc_tab_sz, @@ -2343,7 +2227,6 @@ erl_start(int argc, char **argv) && erts_literal_area_collector->common.id == pid); erts_proc_inc_refc(erts_literal_area_collector); -#ifdef ERTS_DIRTY_SCHEDULERS pid = erl_system_process_otp(otp_ring0_pid, "erts_dirty_process_code_checker", !0); erts_dirty_process_code_checker = (Process *) erts_ptab_pix2intptr_ddrb(&erts_proc, @@ -2351,11 +2234,9 @@ erl_start(int argc, char **argv) ASSERT(erts_dirty_process_code_checker && erts_dirty_process_code_checker->common.id == pid); erts_proc_inc_refc(erts_dirty_process_code_checker); -#endif } -#ifdef ERTS_SMP erts_start_schedulers(); #ifdef ERTS_ENABLE_LOCK_COUNT @@ -2364,31 +2245,9 @@ erl_start(int argc, char **argv) /* Let system specific code decide what to do with the main thread... */ erts_sys_main_thread(); /* May or may not return! */ -#else - { - ErtsSchedulerData *esdp = erts_get_scheduler_data(); - erts_msacc_init_thread("scheduler", 1, 1); - erts_thr_set_main_status(1, 1); -#if ERTS_USE_ASYNC_READY_Q - esdp->aux_work_data.async_ready.queue - = erts_get_async_ready_queue(1); -#endif - set_main_stack_size(); - erts_sched_init_time_sup(esdp); - erts_ets_sched_spec_data_init(esdp); - erts_aux_work_timeout_late_init(esdp); - -#ifdef ERTS_ENABLE_LOCK_COUNT - erts_lcnt_post_startup(); -#endif - - process_main(esdp->x_reg_array, esdp->f_reg_array); - } -#endif } -#ifdef USE_THREADS __decl_noreturn void erts_thr_fatal_error(int err, char *what) { @@ -2402,7 +2261,6 @@ __decl_noreturn void erts_thr_fatal_error(int err, char *what) abort(); } -#endif static void system_cleanup(int flush_async) @@ -2415,7 +2273,6 @@ system_cleanup(int flush_async) * Another thread is currently exiting the system; * wait for it to do its job. */ -#ifdef ERTS_SMP if (erts_thr_progress_is_managed_thread()) { /* * The exiting thread might be waiting for @@ -2424,7 +2281,6 @@ system_cleanup(int flush_async) erts_thr_progress_active(NULL, 0); erts_thr_progress_prepare_wait(NULL); } -#endif /* Wait forever... */ while (1) erts_milli_sleep(10000000); @@ -2439,17 +2295,12 @@ system_cleanup(int flush_async) if (!flush_async || !erts_initialized -#if defined(USE_THREADS) && !defined(ERTS_SMP) - || !erts_equal_tids(erts_main_thread, erts_thr_self()) -#endif ) return; -#ifdef ERTS_SMP #ifdef ERTS_ENABLE_LOCK_CHECK erts_lc_check_exact(NULL, 0); #endif -#endif erts_exit_flush_async(); } |