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Diffstat (limited to 'erts/emulator/beam/erl_init.c')
-rw-r--r--erts/emulator/beam/erl_init.c269
1 files changed, 198 insertions, 71 deletions
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c
index e7e4030900..8c4fffa75b 100644
--- a/erts/emulator/beam/erl_init.c
+++ b/erts/emulator/beam/erl_init.c
@@ -131,8 +131,10 @@ extern void ConWaitForExit(void);
static void erl_init(int ncpu,
int proc_tab_sz,
+ int legacy_proc_tab,
int port_tab_sz,
- int port_tab_sz_ignore_files);
+ int port_tab_sz_ignore_files,
+ int legacy_port_tab);
static erts_atomic_t exiting;
@@ -280,7 +282,9 @@ erts_short_init(void)
int ncpu = early_init(NULL, NULL);
erl_init(ncpu,
ERTS_DEFAULT_MAX_PROCESSES,
+ 0,
ERTS_DEFAULT_MAX_PORTS,
+ 0,
0);
erts_initialized = 1;
}
@@ -288,19 +292,21 @@ erts_short_init(void)
static void
erl_init(int ncpu,
int proc_tab_sz,
+ int legacy_proc_tab,
int port_tab_sz,
- int port_tab_sz_ignore_files)
+ int port_tab_sz_ignore_files,
+ int legacy_port_tab)
{
init_benchmarking();
erts_init_monitors();
- erts_init_gc();
erts_init_time();
erts_init_sys_common_misc();
- erts_init_process(ncpu, proc_tab_sz);
+ erts_init_process(ncpu, proc_tab_sz, legacy_proc_tab);
erts_init_scheduling(no_schedulers,
no_schedulers_online);
erts_init_cpu_topology(); /* Must be after init_scheduling */
+ erts_init_gc(); /* Must be after init_scheduling */
erts_alloc_late_init();
H_MIN_SIZE = erts_next_heap_size(H_MIN_SIZE, 0);
@@ -327,13 +333,14 @@ erl_init(int ncpu,
init_dist();
erl_drv_thr_init();
erts_init_async();
- erts_init_io(port_tab_sz, port_tab_sz_ignore_files);
+ erts_init_io(port_tab_sz, port_tab_sz_ignore_files, legacy_port_tab);
init_load();
erts_init_bif();
erts_init_bif_chksum();
erts_init_bif_binary();
erts_init_bif_re();
erts_init_unicode(); /* after RE to get access to PCRE unicode */
+ erts_init_external();
erts_delay_trap = erts_export_put(am_erlang, am_delay_trap, 2);
erts_late_init_process();
#if HAVE_ERTS_MSEG
@@ -532,6 +539,8 @@ void erts_usage(void)
erts_fprintf(stderr, " see the erl(1) documentation for more info.\n");
erts_fprintf(stderr, "-sws val set scheduler wakeup strategy, valid values are:\n");
erts_fprintf(stderr, " default|legacy.\n");
+ erts_fprintf(stderr, "-swct val set scheduler wake cleanup threshold, valid values are:\n");
+ erts_fprintf(stderr, " very_lazy|lazy|medium|eager|very_eager.\n");
erts_fprintf(stderr, "-swt val set scheduler wakeup threshold, valid values are:\n");
erts_fprintf(stderr, " very_low|low|medium|high|very_high.\n");
erts_fprintf(stderr, "-sss size suggested stack size in kilo words for scheduler threads,\n");
@@ -540,9 +549,12 @@ void erts_usage(void)
ERTS_SCHED_THREAD_MAX_STACK_SIZE);
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), valid range for both\n");
- erts_fprintf(stderr, " numbers are [1-%d]\n",
+ erts_fprintf(stderr, " schedulers online (n2), maximum for both\n");
+ erts_fprintf(stderr, " numbers is %d\n",
ERTS_MAX_NO_OF_SCHEDULERS);
+ 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");
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",
@@ -622,12 +634,16 @@ early_init(int *argc, char **argv) /*
int ncpuavail;
int schdlrs;
int schdlrs_onln;
+ int schdlrs_percentage = 100;
+ int schdlrs_onln_percentage = 100;
int max_main_threads;
int max_reader_groups;
int reader_groups;
char envbuf[21]; /* enough for any 64-bit integer */
size_t envbufsz;
+ erts_save_emu_args(*argc, argv);
+
erts_sched_compact_load = 1;
erts_printf_eterm_func = erts_printf_term;
erts_disable_tolerant_timeofday = 0;
@@ -747,63 +763,132 @@ early_init(int *argc, char **argv) /*
}
break;
}
- case 'S' : {
- int tot, onln;
- char *arg = get_arg(argv[i]+2, argv[i+1], &i);
- switch (sscanf(arg, "%d:%d", &tot, &onln)) {
- case 0:
- switch (sscanf(arg, ":%d", &onln)) {
+ case 'S' :
+ if (argv[i][2] == 'P') {
+ int ptot, ponln;
+ char *arg = get_arg(argv[i]+3, argv[i+1], &i);
+ switch (sscanf(arg, "%d:%d", &ptot, &ponln)) {
+ case 0:
+ switch (sscanf(arg, ":%d", &ponln)) {
+ case 1:
+ if (ponln < 0)
+ goto bad_SP;
+ ptot = 100;
+ goto chk_SP;
+ default:
+ goto bad_SP;
+ }
case 1:
- tot = no_schedulers;
- goto chk_S;
+ if (ptot < 0)
+ goto bad_SP;
+ ponln = ptot < 100 ? ptot : 100;
+ goto chk_SP;
+ case 2:
+ if (ptot < 0 || ponln < 0)
+ goto bad_SP;
+ chk_SP:
+ schdlrs_percentage = ptot;
+ schdlrs_onln_percentage = ponln;
+ break;
default:
- goto bad_S;
- }
- case 1:
- onln = tot < schdlrs_onln ? tot : schdlrs_onln;
- case 2:
- chk_S:
- if (tot > 0)
- schdlrs = tot;
- else
- schdlrs = no_schedulers + tot;
- if (onln > 0)
- schdlrs_onln = onln;
- else
- schdlrs_onln = no_schedulers_online + onln;
- if (schdlrs < 1 || ERTS_MAX_NO_OF_SCHEDULERS < schdlrs) {
- erts_fprintf(stderr,
- "bad amount of schedulers %d\n",
- tot);
- erts_usage();
- }
- if (schdlrs_onln < 1 || schdlrs < schdlrs_onln) {
+ bad_SP:
+ erts_fprintf(stderr,
+ "bad schedulers percentage specifier %s\n",
+ arg);
+ erts_usage();
+ break;
+ }
+
+ VERBOSE(DEBUG_SYSTEM,
+ ("using %d:%d scheduler percentages\n",
+ schdlrs_percentage, schdlrs_onln_percentage));
+ } else {
+ int tot, onln;
+ char *arg = get_arg(argv[i]+2, argv[i+1], &i);
+ switch (sscanf(arg, "%d:%d", &tot, &onln)) {
+ case 0:
+ switch (sscanf(arg, ":%d", &onln)) {
+ case 1:
+ tot = no_schedulers;
+ goto chk_S;
+ default:
+ goto bad_S;
+ }
+ case 1:
+ onln = tot < schdlrs_onln ? tot : schdlrs_onln;
+ case 2:
+ chk_S:
+ if (tot > 0)
+ schdlrs = tot;
+ else
+ schdlrs = no_schedulers + tot;
+ if (onln > 0)
+ schdlrs_onln = onln;
+ else
+ schdlrs_onln = no_schedulers_online + onln;
+ if (schdlrs < 1 || ERTS_MAX_NO_OF_SCHEDULERS < schdlrs) {
+ erts_fprintf(stderr,
+ "bad amount of schedulers %d\n",
+ tot);
+ erts_usage();
+ }
+ if (schdlrs_onln < 1 || schdlrs < schdlrs_onln) {
+ erts_fprintf(stderr,
+ "bad amount of schedulers online %d "
+ "(total amount of schedulers %d)\n",
+ schdlrs_onln, schdlrs);
+ erts_usage();
+ }
+ break;
+ default:
+ bad_S:
erts_fprintf(stderr,
- "bad amount of schedulers online %d "
- "(total amount of schedulers %d)\n",
- schdlrs_onln, schdlrs);
+ "bad amount of schedulers %s\n",
+ arg);
erts_usage();
+ break;
}
- break;
- default:
- bad_S:
- erts_fprintf(stderr,
- "bad amount of schedulers %s\n",
- arg);
- erts_usage();
- break;
- }
- VERBOSE(DEBUG_SYSTEM,
- ("using %d:%d scheduler(s)\n", tot, onln));
- break;
- }
+ VERBOSE(DEBUG_SYSTEM,
+ ("using %d:%d scheduler(s)\n", tot, onln));
+ }
+ break;
default:
break;
}
}
i++;
}
+
+#ifdef ERTS_SMP
+ /* apply any scheduler percentages */
+ if (schdlrs_percentage != 100 || schdlrs_onln_percentage != 100) {
+ schdlrs = schdlrs * schdlrs_percentage / 100;
+ schdlrs_onln = schdlrs_onln * schdlrs_onln_percentage / 100;
+ if (schdlrs < 1)
+ schdlrs = 1;
+ if (ERTS_MAX_NO_OF_SCHEDULERS < schdlrs) {
+ erts_fprintf(stderr,
+ "bad schedulers percentage %d "
+ "(total amount of schedulers %d)\n",
+ schdlrs_percentage, schdlrs);
+ erts_usage();
+ }
+ if (schdlrs_onln < 1)
+ schdlrs_onln = 1;
+ if (schdlrs < schdlrs_onln) {
+ erts_fprintf(stderr,
+ "bad schedulers online percentage %d "
+ "(total amount of schedulers %d, online %d)\n",
+ schdlrs_onln_percentage, schdlrs, schdlrs_onln);
+ erts_usage();
+ }
+ }
+#else
+ /* Silence gcc warnings */
+ (void)schdlrs_percentage;
+ (void)schdlrs_onln_percentage;
+#endif
}
#ifndef USE_THREADS
@@ -921,6 +1006,9 @@ erl_start(int argc, char **argv)
int proc_tab_sz = ERTS_DEFAULT_MAX_PROCESSES;
int port_tab_sz = ERTS_DEFAULT_MAX_PORTS;
int port_tab_sz_ignore_files = 0;
+ int legacy_proc_tab = 0;
+ int legacy_port_tab = 0;
+
envbufsz = sizeof(envbuf);
if (erts_sys_getenv_raw(ERL_MAX_ETS_TABLES_ENV, envbuf, &envbufsz) == 0)
@@ -1266,31 +1354,42 @@ erl_start(int argc, char **argv)
case 'P': /* set maximum number of processes */
arg = get_arg(argv[i]+2, argv[i+1], &i);
- errno = 0;
- proc_tab_sz = strtol(arg, NULL, 10);
- if (errno != 0
- || proc_tab_sz < ERTS_MIN_PROCESSES
- || ERTS_MAX_PROCESSES < proc_tab_sz) {
- erts_fprintf(stderr, "bad number of processes %s\n", arg);
- erts_usage();
+ if (strcmp(arg, "legacy") == 0)
+ legacy_proc_tab = 1;
+ else {
+ errno = 0;
+ proc_tab_sz = strtol(arg, NULL, 10);
+ if (errno != 0
+ || proc_tab_sz < ERTS_MIN_PROCESSES
+ || ERTS_MAX_PROCESSES < proc_tab_sz) {
+ erts_fprintf(stderr, "bad number of processes %s\n", arg);
+ erts_usage();
+ }
}
break;
case 'Q': /* set maximum number of ports */
arg = get_arg(argv[i]+2, argv[i+1], &i);
- errno = 0;
- port_tab_sz = strtol(arg, NULL, 10);
- if (errno != 0
- || port_tab_sz < ERTS_MIN_PROCESSES
- || ERTS_MAX_PROCESSES < port_tab_sz) {
- erts_fprintf(stderr, "bad number of ports %s\n", arg);
- erts_usage();
+ if (strcmp(arg, "legacy") == 0)
+ legacy_port_tab = 1;
+ else {
+ errno = 0;
+ port_tab_sz = strtol(arg, NULL, 10);
+ if (errno != 0
+ || port_tab_sz < ERTS_MIN_PROCESSES
+ || ERTS_MAX_PROCESSES < port_tab_sz) {
+ erts_fprintf(stderr, "bad number of ports %s\n", arg);
+ erts_usage();
+ }
+ port_tab_sz_ignore_files = 1;
}
- port_tab_sz_ignore_files = 1;
break;
case 'S' : /* Was handled in early_init() just read past it */
- (void) get_arg(argv[i]+2, argv[i+1], &i);
+ if (argv[i][2] == 'P')
+ (void) get_arg(argv[i]+3, argv[i+1], &i);
+ else
+ (void) get_arg(argv[i]+2, argv[i+1], &i);
break;
case 's' : {
@@ -1413,7 +1512,17 @@ erl_start(int argc, char **argv)
erts_usage();
}
}
- else if (sys_strcmp("wt", sub_param) == 0) {
+ else if (has_prefix("wct", sub_param)) {
+ arg = get_arg(sub_param+3, argv[i+1], &i);
+ if (erts_sched_set_wake_cleanup_threshold(arg) != 0) {
+ erts_fprintf(stderr, "scheduler wake cleanup threshold: %s\n",
+ arg);
+ erts_usage();
+ }
+ VERBOSE(DEBUG_SYSTEM,
+ ("scheduler wake cleanup threshold: %s\n", arg));
+ }
+ else if (has_prefix("wt", sub_param)) {
arg = get_arg(sub_param+2, argv[i+1], &i);
if (erts_sched_set_wakeup_other_thresold(arg) != 0) {
erts_fprintf(stderr, "scheduler wakeup threshold: %s\n",
@@ -1423,7 +1532,7 @@ erl_start(int argc, char **argv)
VERBOSE(DEBUG_SYSTEM,
("scheduler wakeup threshold: %s\n", arg));
}
- else if (sys_strcmp("ws", sub_param) == 0) {
+ else if (has_prefix("ws", sub_param)) {
arg = get_arg(sub_param+2, argv[i+1], &i);
if (erts_sched_set_wakeup_other_type(arg) != 0) {
erts_fprintf(stderr, "scheduler wakeup strategy: %s\n",
@@ -1450,6 +1559,22 @@ erl_start(int argc, char **argv)
("suggested scheduler thread stack size %d kilo words\n",
erts_sched_thread_suggested_stack_size));
}
+ else if (has_prefix("fwi", sub_param)) {
+ long val;
+ arg = get_arg(sub_param+3, argv[i+1], &i);
+ errno = 0;
+ val = strtol(arg, NULL, 10);
+ if (errno != 0 || val < 0) {
+ erts_fprintf(stderr,
+ "bad scheduler forced wakeup "
+ "interval %s\n",
+ arg);
+ erts_usage();
+ }
+#ifdef ERTS_SMP
+ erts_runq_supervision_interval = val;
+#endif
+ }
else {
erts_fprintf(stderr, "bad scheduling option %s\n", argv[i]);
erts_usage();
@@ -1630,8 +1755,10 @@ erl_start(int argc, char **argv)
erl_init(ncpu,
proc_tab_sz,
+ legacy_proc_tab,
port_tab_sz,
- port_tab_sz_ignore_files);
+ port_tab_sz_ignore_files,
+ legacy_port_tab);
load_preloaded();
erts_end_staging_code_ix();
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-20 05:16:59 +0000