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-rw-r--r--erts/emulator/beam/erl_init.c84
1 files changed, 35 insertions, 49 deletions
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c
index e2f2cccb7e..e21728333b 100644
--- a/erts/emulator/beam/erl_init.c
+++ b/erts/emulator/beam/erl_init.c
@@ -41,6 +41,7 @@
#include "erl_printf_term.h"
#include "erl_misc_utils.h"
#include "packet_parser.h"
+#include "erl_cpu_topology.h"
#ifdef HIPE
#include "hipe_mode_switch.h" /* for hipe_mode_switch_init() */
@@ -63,6 +64,8 @@ extern void ConNormalExit(void);
extern void ConWaitForExit(void);
#endif
+static void erl_init(int ncpu);
+
#define ERTS_MIN_COMPAT_REL 7
#ifdef ERTS_SMP
@@ -76,9 +79,6 @@ int erts_initialized = 0;
static erts_tid_t main_thread;
#endif
-erts_cpu_info_t *erts_cpuinfo;
-
-int erts_reader_groups;
int erts_use_sender_punish;
/*
@@ -111,7 +111,6 @@ int erts_compat_rel;
static int use_multi_run_queue;
static int no_schedulers;
static int no_schedulers_online;
-static int max_reader_groups;
#ifdef DEBUG
Uint32 verbose; /* See erl_debug.h for information about verbose */
@@ -230,18 +229,18 @@ void erl_error(char *fmt, va_list args)
erts_vfprintf(stderr, fmt, args);
}
-static void early_init(int *argc, char **argv);
+static int early_init(int *argc, char **argv);
void
erts_short_init(void)
{
- early_init(NULL, NULL);
- erl_init();
+ int ncpu = early_init(NULL, NULL);
+ erl_init(ncpu);
erts_initialized = 1;
}
-void
-erl_init(void)
+static void
+erl_init(int ncpu)
{
init_benchmarking();
@@ -252,11 +251,11 @@ erl_init(void)
erts_init_monitors();
erts_init_gc();
init_time();
- erts_init_process();
+ erts_init_process(ncpu);
erts_init_scheduling(use_multi_run_queue,
no_schedulers,
no_schedulers_online);
-
+ erts_init_cpu_topology(); /* Must be after init_scheduling */
H_MIN_SIZE = erts_next_heap_size(H_MIN_SIZE, 0);
BIN_VH_MIN_SIZE = erts_next_heap_size(BIN_VH_MIN_SIZE, 0);
@@ -587,7 +586,7 @@ static void ethr_ll_free(void *ptr)
#endif
-static void
+static int
early_init(int *argc, char **argv) /*
* Only put things here which are
* really important initialize
@@ -600,6 +599,10 @@ early_init(int *argc, char **argv) /*
int ncpuavail;
int schdlrs;
int schdlrs_onln;
+ int max_main_threads;
+ int max_reader_groups;
+ int reader_groups;
+
use_multi_run_queue = 1;
erts_printf_eterm_func = erts_printf_term;
erts_disable_tolerant_timeofday = 0;
@@ -615,13 +618,11 @@ early_init(int *argc, char **argv) /*
erts_use_sender_punish = 1;
- erts_cpuinfo = erts_cpu_info_create();
-
-#ifdef ERTS_SMP
- ncpu = erts_get_cpu_configured(erts_cpuinfo);
- ncpuonln = erts_get_cpu_online(erts_cpuinfo);
- ncpuavail = erts_get_cpu_available(erts_cpuinfo);
-#else
+ erts_pre_early_init_cpu_topology(&max_reader_groups,
+ &ncpu,
+ &ncpuonln,
+ &ncpuavail);
+#ifndef ERTS_SMP
ncpu = 1;
ncpuonln = 1;
ncpuavail = 1;
@@ -664,15 +665,9 @@ early_init(int *argc, char **argv) /*
? ncpuavail
: (ncpuonln > 0 ? ncpuonln : no_schedulers));
-#ifdef ERTS_SMP
- erts_max_main_threads = no_schedulers_online;
-#endif
-
schdlrs = no_schedulers;
schdlrs_onln = no_schedulers_online;
- max_reader_groups = ERTS_MAX_READER_GROUPS;
-
if (argc && argv) {
int i = 1;
while (i < *argc) {
@@ -768,9 +763,13 @@ early_init(int *argc, char **argv) /*
erts_alloc_init(argc, argv, &alloc_opts); /* Handles (and removes)
-M flags. */
-
- erts_early_init_scheduling(); /* Require allocators */
- erts_init_utils(); /* Require allocators */
+ /* Require allocators */
+ erts_early_init_scheduling();
+ erts_init_utils();
+ erts_early_init_cpu_topology(no_schedulers,
+ &max_main_threads,
+ max_reader_groups,
+ &reader_groups);
#ifdef USE_THREADS
{
@@ -784,26 +783,13 @@ early_init(int *argc, char **argv) /*
elid.mem.ll.alloc = ethr_ll_alloc;
elid.mem.ll.realloc = ethr_ll_realloc;
elid.mem.ll.free = ethr_ll_free;
-
-#ifdef ERTS_SMP
- if (erts_max_main_threads > no_schedulers)
- erts_max_main_threads = no_schedulers;
- elid.main_threads = erts_max_main_threads;
-#else
- elid.main_threads = 1;
-#endif
- elid.reader_groups = (elid.main_threads > 1
- ? elid.main_threads
- : 0);
- if (max_reader_groups <= 1)
- elid.reader_groups = 0;
- if (elid.reader_groups > max_reader_groups)
- elid.reader_groups = max_reader_groups;
- erts_reader_groups = elid.reader_groups;
+ elid.main_threads = max_main_threads;
+ elid.reader_groups = reader_groups;
erts_thr_late_init(&elid);
}
#endif
+
#ifdef ERTS_ENABLE_LOCK_CHECK
erts_lc_late_init();
#endif
@@ -821,6 +807,7 @@ early_init(int *argc, char **argv) /*
erts_ets_realloc_always_moves = 0;
+ return ncpu;
}
#ifndef ERTS_SMP
@@ -854,8 +841,7 @@ erl_start(int argc, char **argv)
char envbuf[21]; /* enough for any 64-bit integer */
size_t envbufsz;
int async_max_threads = erts_async_max_threads;
-
- early_init(&argc, argv);
+ int ncpu = early_init(&argc, argv);
envbufsz = sizeof(envbuf);
if (erts_sys_getenv(ERL_MAX_ETS_TABLES_ENV, envbuf, &envbufsz) == 0)
@@ -1112,7 +1098,7 @@ erl_start(int argc, char **argv)
char *sub_param = argv[i]+2;
if (has_prefix("bt", sub_param)) {
arg = get_arg(sub_param+2, argv[i+1], &i);
- res = erts_init_scheduler_bind_type(arg);
+ res = erts_init_scheduler_bind_type_string(arg);
if (res != ERTS_INIT_SCHED_BIND_TYPE_SUCCESS) {
switch (res) {
case ERTS_INIT_SCHED_BIND_TYPE_NOT_SUPPORTED:
@@ -1137,7 +1123,7 @@ erl_start(int argc, char **argv)
}
else if (has_prefix("ct", sub_param)) {
arg = get_arg(sub_param+2, argv[i+1], &i);
- res = erts_init_cpu_topology(arg);
+ res = erts_init_cpu_topology_string(arg);
if (res != ERTS_INIT_CPU_TOPOLOGY_OK) {
switch (res) {
case ERTS_INIT_CPU_TOPOLOGY_INVALID_ID:
@@ -1388,7 +1374,7 @@ erl_start(int argc, char **argv)
boot_argc = argc - i; /* Number of arguments to init */
boot_argv = &argv[i];
- erl_init();
+ erl_init(ncpu);
init_shared_memory(boot_argc, boot_argv);
load_preloaded();
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 12:58:49 +0000