diff options
Diffstat (limited to 'erts/emulator/beam/erl_init.c')
-rw-r--r-- | erts/emulator/beam/erl_init.c | 178 |
1 files changed, 144 insertions, 34 deletions
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c index 61f8385efc..988ff0e2b5 100644 --- a/erts/emulator/beam/erl_init.c +++ b/erts/emulator/beam/erl_init.c @@ -35,7 +35,7 @@ #include "dist.h" #include "erl_mseg.h" #include "erl_threads.h" -#include "erl_bif_timer.h" +#include "erl_hl_timer.h" #include "erl_instrument.h" #include "erl_printf_term.h" #include "erl_misc_utils.h" @@ -45,6 +45,9 @@ #include "erl_thr_queue.h" #include "erl_async.h" #include "erl_ptab.h" +#include "erl_bif_unique.h" +#define ERTS_WANT_TIMER_WHEEL_API +#include "erl_time.h" #ifdef HIPE #include "hipe_mode_switch.h" /* for hipe_mode_switch_init() */ @@ -117,6 +120,8 @@ const int etp_big_endian = 1; #else const int etp_big_endian = 0; #endif +const Eterm etp_the_non_value = THE_NON_VALUE; + /* * Note about VxWorks: All variables must be initialized by executable code, * not by an initializer. Otherwise a new instance of the emulator will @@ -134,7 +139,9 @@ static void erl_init(int ncpu, int legacy_proc_tab, int port_tab_sz, int port_tab_sz_ignore_files, - int legacy_port_tab); + int legacy_port_tab, + int time_correction, + ErtsTimeWarpMode time_warp_mode); static erts_atomic_t exiting; @@ -161,9 +168,6 @@ int H_MIN_SIZE; /* The minimum heap grain */ int BIN_VH_MIN_SIZE; /* The minimum binary virtual*/ Uint32 erts_debug_flags; /* Debug flags. */ -#ifdef ERTS_OPCODE_COUNTER_SUPPORT -int count_instructions; -#endif int erts_backtrace_depth; /* How many functions to show in a backtrace * in error codes. */ @@ -188,12 +192,10 @@ static int no_dirty_io_schedulers; Uint32 verbose; /* See erl_debug.h for information about verbose */ #endif -int erts_disable_tolerant_timeofday; /* Time correction can be disabled it is - * not and/or it is too slow. - */ - int erts_atom_table_size = ATOM_LIMIT; /* Maximum number of atoms */ +int erts_pd_initial_size = 10; + int erts_modified_timing_level; int erts_no_crash_dump = 0; /* Use -d to suppress crash dump. */ @@ -269,6 +271,19 @@ this_rel_num(void) return this_rel; } +static ERTS_INLINE void +set_default_time_adj(int *time_correction_p, ErtsTimeWarpMode *time_warp_mode_p) +{ + *time_correction_p = 1; + *time_warp_mode_p = ERTS_NO_TIME_WARP_MODE; + if (!erts_check_time_adj_support(*time_correction_p, + *time_warp_mode_p)) { + *time_correction_p = 0; + ASSERT(erts_check_time_adj_support(*time_correction_p, + *time_warp_mode_p)); + } +} + /* * Common error printout function, all error messages * that don't go to the error logger go through here. @@ -284,13 +299,22 @@ static int early_init(int *argc, char **argv); void erts_short_init(void) { - int ncpu = early_init(NULL, NULL); + + int ncpu; + int time_correction; + ErtsTimeWarpMode time_warp_mode; + + set_default_time_adj(&time_correction, + &time_warp_mode); + ncpu = early_init(NULL, NULL); erl_init(ncpu, ERTS_DEFAULT_MAX_PROCESSES, 0, ERTS_DEFAULT_MAX_PORTS, 0, - 0); + 0, + time_correction, + time_warp_mode); erts_initialized = 1; } @@ -300,12 +324,15 @@ erl_init(int ncpu, int legacy_proc_tab, int port_tab_sz, int port_tab_sz_ignore_files, - int legacy_port_tab) + int legacy_port_tab, + int time_correction, + ErtsTimeWarpMode time_warp_mode) { init_benchmarking(); + erts_bif_unique_init(); erts_init_monitors(); - erts_init_time(); + erts_init_time(time_correction, time_warp_mode); erts_init_sys_common_misc(); erts_init_process(ncpu, proc_tab_sz, legacy_proc_tab); erts_init_scheduling(no_schedulers, @@ -316,6 +343,7 @@ erl_init(int ncpu, no_dirty_io_schedulers #endif ); + erts_late_init_time_sup(); erts_init_cpu_topology(); /* Must be after init_scheduling */ erts_init_gc(); /* Must be after init_scheduling */ erts_alloc_late_init(); @@ -339,7 +367,6 @@ erl_init(int ncpu, erts_init_binary(); /* Must be after init_emulator() */ erts_bp_init(); init_db(); /* Must be after init_emulator */ - erts_bif_timer_init(); erts_init_node_tables(); init_dist(); erl_drv_thr_init(); @@ -365,12 +392,13 @@ erl_init(int ncpu, erl_nif_init(); } -static void +static Eterm erl_first_process_otp(char* modname, void* code, unsigned size, int argc, char** argv) { int i; Eterm start_mod; Eterm args; + Eterm res; Eterm* hp; Process parent; ErlSpawnOpts so; @@ -400,10 +428,11 @@ erl_first_process_otp(char* modname, void* code, unsigned size, int argc, char** hp += 2; args = CONS(hp, env, args); - so.flags = 0; - (void) erl_create_process(&parent, start_mod, am_start, args, &so); + so.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_cleanup_empty_process(&parent); + return res; } Eterm @@ -509,9 +538,9 @@ void erts_usage(void) /* erts_fprintf(stderr, "-b func set the boot function (default boot)\n"); */ - erts_fprintf(stderr, "-c disable continuous date/time correction with\n"); - erts_fprintf(stderr, " respect to uptime\n"); - + erts_fprintf(stderr, "-c bool enable or disable time correction\n"); + erts_fprintf(stderr, "-C mode set time warp mode; valid modes are:\n"); + erts_fprintf(stderr, " no_time_warp|single_time_warp|multi_time_warp\n"); erts_fprintf(stderr, "-d don't write a crash dump for internally detected errors\n"); erts_fprintf(stderr, " (halt(String) will still produce a crash dump)\n"); erts_fprintf(stderr, "-fn[u|a|l] Control how filenames are interpreted\n"); @@ -519,6 +548,8 @@ void erts_usage(void) H_DEFAULT_SIZE); erts_fprintf(stderr, "-hmbs size set minimum binary virtual heap size in words (default %d)\n", VH_DEFAULT_SIZE); + erts_fprintf(stderr, "-hpds size initial process dictionary size (default %d)\n", + erts_pd_initial_size); /* erts_fprintf(stderr, "-i module set the boot module (default init)\n"); */ @@ -681,7 +712,6 @@ early_init(int *argc, char **argv) /* erts_sched_compact_load = 1; erts_printf_eterm_func = erts_printf_term; - erts_disable_tolerant_timeofday = 0; display_items = 200; erts_backtrace_depth = DEFAULT_BACKTRACE_SIZE; erts_async_max_threads = ERTS_DEFAULT_NO_ASYNC_THREADS; @@ -1187,7 +1217,11 @@ erl_start(int argc, char **argv) int port_tab_sz_ignore_files = 0; int legacy_proc_tab = 0; int legacy_port_tab = 0; + int time_correction; + ErtsTimeWarpMode time_warp_mode; + set_default_time_adj(&time_correction, + &time_warp_mode); envbufsz = sizeof(envbuf); if (erts_sys_getenv_raw(ERL_MAX_ETS_TABLES_ENV, envbuf, &envbufsz) == 0) @@ -1408,6 +1442,7 @@ erl_start(int argc, char **argv) * * h|ms - min_heap_size * h|mbs - min_bin_vheap_size + * h|pds - erts_pd_initial_size * */ if (has_prefix("mbs", sub_param)) { @@ -1425,6 +1460,14 @@ erl_start(int argc, char **argv) erts_usage(); } VERBOSE(DEBUG_SYSTEM, ("using minimum heap size %d\n", H_MIN_SIZE)); + } else if (has_prefix("pds", sub_param)) { + arg = get_arg(sub_param+3, argv[i+1], &i); + if ((erts_pd_initial_size = atoi(arg)) <= 0) { + erts_fprintf(stderr, "bad initial process dictionary size %s\n", arg); + erts_usage(); + } + VERBOSE(DEBUG_SYSTEM, ("using initial process dictionary size %d\n", + erts_pd_initial_size)); } else { /* backward compatibility */ arg = get_arg(argv[i]+2, argv[i+1], &i); @@ -1896,15 +1939,51 @@ erl_start(int argc, char **argv) } break; } + case 'C': + arg = get_arg(argv[i]+2, argv[i+1], &i); + if (sys_strcmp(arg, "no_time_warp") == 0) + time_warp_mode = ERTS_NO_TIME_WARP_MODE; + else if (sys_strcmp(arg, "single_time_warp") == 0) + time_warp_mode = ERTS_SINGLE_TIME_WARP_MODE; + else if (sys_strcmp(arg, "multi_time_warp") == 0) + time_warp_mode = ERTS_MULTI_TIME_WARP_MODE; + else { + erts_fprintf(stderr, + "Invalid time warp mode: %s\n", arg); + erts_usage(); + } + break; case 'c': - if (argv[i][2] == 0) { /* -c: documented option */ - erts_disable_tolerant_timeofday = 1; + if (sys_strcmp(argv[i]+2, "false") == 0) + goto time_correction_false; + else if (sys_strcmp(argv[i]+2, "true") == 0) + goto time_correction_true; + else if (argv[i][2] == '\0') { + if (i + 1 >= argc) + goto time_correction_false; + else { + if (sys_strcmp(argv[i+1], "false") == 0) { + (void) get_arg(argv[i]+2, argv[i+1], &i); + goto time_correction_false; + } + else if (sys_strcmp(argv[i+1], "true") == 0) { + (void) get_arg(argv[i]+2, argv[i+1], &i); + time_correction_true: + time_correction = 1; + break; + } + else { + time_correction_false: + time_correction = 0; + break; + } + } } -#ifdef ERTS_OPCODE_COUNTER_SUPPORT - else if (argv[i][2] == 'i') { /* -ci: undcoumented option*/ - count_instructions = 1; + else { + arg = get_arg(argv[i]+2, argv[i+1], &i); + erts_fprintf(stderr, "Invalid time correnction value: %s\n", arg); + erts_usage(); } -#endif break; case 'W': arg = get_arg(argv[i]+2, argv[i+1], &i); @@ -1950,6 +2029,30 @@ erl_start(int argc, char **argv) i++; } + if (!erts_check_time_adj_support(time_correction, time_warp_mode)) { + char *time_correction_str = time_correction ? "Enabled" : "Disabled"; + char *time_warp_str = "undefined"; + switch (time_warp_mode) { + case ERTS_NO_TIME_WARP_MODE: + time_warp_str = "no"; + break; + case ERTS_SINGLE_TIME_WARP_MODE: + time_warp_str = "single"; + break; + case ERTS_MULTI_TIME_WARP_MODE: + time_warp_str = "multi"; + break; + default: + time_warp_str = "undefined"; + break; + } + erts_fprintf(stderr, "%s time correction with %s time warp mode " + "is not supported on this platform\n", + time_correction_str, + time_warp_str); + erts_usage(); + } + /* Output format on windows for sprintf defaults to three exponents. * We use two-exponent to mimic normal sprintf behaviour. */ @@ -1983,7 +2086,9 @@ erl_start(int argc, char **argv) legacy_proc_tab, port_tab_sz, port_tab_sz_ignore_files, - legacy_port_tab); + legacy_port_tab, + time_correction, + time_warp_mode); load_preloaded(); erts_end_staging_code_ix(); @@ -1991,7 +2096,8 @@ erl_start(int argc, char **argv) erts_initialized = 1; - erl_first_process_otp("otp_ring0", NULL, 0, boot_argc, boot_argv); + (void) erl_first_process_otp("otp_ring0", NULL, 0, + boot_argc, boot_argv); #ifdef ERTS_SMP erts_start_schedulers(); @@ -1999,13 +2105,17 @@ erl_start(int argc, char **argv) erts_sys_main_thread(); /* May or may not return! */ #else - erts_thr_set_main_status(1, 1); + { + ErtsSchedulerData *esdp = erts_get_scheduler_data(); + erts_thr_set_main_status(1, 1); #if ERTS_USE_ASYNC_READY_Q - erts_get_scheduler_data()->aux_work_data.async_ready.queue - = erts_get_async_ready_queue(1); + esdp->aux_work_data.async_ready.queue + = erts_get_async_ready_queue(1); #endif - set_main_stack_size(); - process_main(); + set_main_stack_size(); + erts_sched_init_time_sup(esdp); + process_main(); + } #endif } |