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-rw-r--r--erts/emulator/beam/erl_init.c384
1 files changed, 312 insertions, 72 deletions
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c
index 8c4fffa75b..743fd235bc 100644
--- a/erts/emulator/beam/erl_init.c
+++ b/erts/emulator/beam/erl_init.c
@@ -178,6 +178,11 @@ 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 */
@@ -189,6 +194,8 @@ int erts_disable_tolerant_timeofday; /* Time correction can be disabled it is
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. */
@@ -304,7 +311,13 @@ erl_init(int ncpu,
erts_init_sys_common_misc();
erts_init_process(ncpu, proc_tab_sz, legacy_proc_tab);
erts_init_scheduling(no_schedulers,
- no_schedulers_online);
+ no_schedulers_online
+#ifdef ERTS_DIRTY_SCHEDULERS
+ , no_dirty_cpu_schedulers,
+ no_dirty_cpu_schedulers_online,
+ no_dirty_io_schedulers
+#endif
+ );
erts_init_cpu_topology(); /* Must be after init_scheduling */
erts_init_gc(); /* Must be after init_scheduling */
erts_alloc_late_init();
@@ -313,7 +326,6 @@ erl_init(int ncpu,
BIN_VH_MIN_SIZE = erts_next_heap_size(BIN_VH_MIN_SIZE, 0);
erts_init_trace();
- erts_init_binary();
erts_init_bits();
erts_code_ix_init();
erts_init_fun_table();
@@ -326,6 +338,7 @@ erl_init(int ncpu,
erts_ddll_init();
init_emulator();
erts_ptab_init(); /* Must be after init_emulator() */
+ erts_init_binary(); /* Must be after init_emulator() */
erts_bp_init();
init_db(); /* Must be after init_emulator */
erts_bif_timer_init();
@@ -484,92 +497,111 @@ void erts_usage(void)
/* erts_fprintf(stderr, "-# number set the number of items to be used in traces etc\n"); */
- erts_fprintf(stderr, "-a size suggested stack size in kilo words for threads\n");
- erts_fprintf(stderr, " in the async-thread pool, valid range is [%d-%d]\n",
+ erts_fprintf(stderr, "-a size suggested stack size in kilo words for threads\n");
+ erts_fprintf(stderr, " in the async-thread pool, valid range is [%d-%d]\n",
ERTS_ASYNC_THREAD_MIN_STACK_SIZE,
ERTS_ASYNC_THREAD_MAX_STACK_SIZE);
- erts_fprintf(stderr, "-A number set number of threads in async thread pool,\n");
- erts_fprintf(stderr, " valid range is [0-%d]\n",
+ erts_fprintf(stderr, "-A number set number of threads in async thread pool,\n");
+ erts_fprintf(stderr, " valid range is [0-%d]\n",
ERTS_MAX_NO_OF_ASYNC_THREADS);
- erts_fprintf(stderr, "-B[c|d|i] c to have Ctrl-c interrupt the Erlang shell,\n");
- erts_fprintf(stderr, " d (or no extra option) to disable the break\n");
- erts_fprintf(stderr, " handler, i to ignore break signals\n");
+ erts_fprintf(stderr, "-B[c|d|i] c to have Ctrl-c interrupt the Erlang shell,\n");
+ erts_fprintf(stderr, " d (or no extra option) to disable the break\n");
+ erts_fprintf(stderr, " handler, i to ignore break signals\n");
/* 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 disable continuous date/time correction with\n");
+ erts_fprintf(stderr, " respect to uptime\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");
- erts_fprintf(stderr, "-hms size set minimum heap size in words (default %d)\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");
+ erts_fprintf(stderr, "-hms size set minimum heap size in words (default %d)\n",
H_DEFAULT_SIZE);
- erts_fprintf(stderr, "-hmbs size set minimum binary virtual heap size in words (default %d)\n",
+ 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"); */
- erts_fprintf(stderr, "-K boolean enable or disable kernel poll\n");
- erts_fprintf(stderr, "-n[s|a|d] Control behavior of signals to ports\n");
- erts_fprintf(stderr, " Note that this flag is deprecated!\n");
- erts_fprintf(stderr, "-M<X> <Y> memory allocator switches,\n");
- erts_fprintf(stderr, " see the erts_alloc(3) documentation for more info.\n");
- erts_fprintf(stderr, "-pc <set> Control what characters are considered printable (default latin1)\n");
- erts_fprintf(stderr, "-P number set maximum number of processes on this node,\n");
- erts_fprintf(stderr, " valid range is [%d-%d]\n",
+ erts_fprintf(stderr, "-K boolean enable or disable kernel poll\n");
+ erts_fprintf(stderr, "-n[s|a|d] Control behavior of signals to ports\n");
+ erts_fprintf(stderr, " Note that this flag is deprecated!\n");
+ erts_fprintf(stderr, "-M<X> <Y> memory allocator switches,\n");
+ erts_fprintf(stderr, " see the erts_alloc(3) documentation for more info.\n");
+ erts_fprintf(stderr, "-pc <set> Control what characters are considered printable (default latin1)\n");
+ erts_fprintf(stderr, "-P number set maximum number of processes on this node,\n");
+ erts_fprintf(stderr, " valid range is [%d-%d]\n",
ERTS_MIN_PROCESSES, ERTS_MAX_PROCESSES);
- erts_fprintf(stderr, "-Q number set maximum number of ports on this node,\n");
- erts_fprintf(stderr, " valid range is [%d-%d]\n",
+ erts_fprintf(stderr, "-Q number set maximum number of ports on this node,\n");
+ erts_fprintf(stderr, " valid range is [%d-%d]\n",
ERTS_MIN_PORTS, ERTS_MAX_PORTS);
- erts_fprintf(stderr, "-R number set compatibility release number,\n");
- erts_fprintf(stderr, " valid range [%d-%d]\n",
+ erts_fprintf(stderr, "-R number set compatibility release number,\n");
+ erts_fprintf(stderr, " valid range [%d-%d]\n",
this_rel-2, this_rel);
- erts_fprintf(stderr, "-r force ets memory block to be moved on realloc\n");
- erts_fprintf(stderr, "-rg amount set reader groups limit\n");
- erts_fprintf(stderr, "-sbt type set scheduler bind type, valid types are:\n");
- erts_fprintf(stderr, "-stbt type u|ns|ts|ps|s|nnts|nnps|tnnps|db\n");
- erts_fprintf(stderr, "-sbwt val set scheduler busy wait threshold, valid values are:\n");
- erts_fprintf(stderr, " none|very_short|short|medium|long|very_long.\n");
- erts_fprintf(stderr, "-scl bool enable/disable compaction of scheduler load,\n");
- erts_fprintf(stderr, " see the erl(1) documentation for more info.\n");
- erts_fprintf(stderr, "-sct cput set cpu topology,\n");
- 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");
- erts_fprintf(stderr, " valid range is [%d-%d]\n",
+ erts_fprintf(stderr, "-r force ets memory block to be moved on realloc\n");
+ erts_fprintf(stderr, "-rg amount set reader groups limit\n");
+ erts_fprintf(stderr, "-sbt type set scheduler bind type, valid types are:\n");
+ erts_fprintf(stderr, "-stbt type u|ns|ts|ps|s|nnts|nnps|tnnps|db\n");
+ erts_fprintf(stderr, "-sbwt val set scheduler busy wait threshold, valid values are:\n");
+ erts_fprintf(stderr, " none|very_short|short|medium|long|very_long.\n");
+ erts_fprintf(stderr, "-scl bool enable/disable compaction of scheduler load,\n");
+ erts_fprintf(stderr, " see the erl(1) documentation for more info.\n");
+ erts_fprintf(stderr, "-sct cput set cpu topology,\n");
+ erts_fprintf(stderr, " see the erl(1) documentation for more info.\n");
+ erts_fprintf(stderr, "-secio bool enable/disable eager check I/O scheduling,\n");
+ erts_fprintf(stderr, " see the erl(1) documentation for more info.\n");
+#if ERTS_HAVE_SCHED_UTIL_BALANCING_SUPPORT_OPT
+ erts_fprintf(stderr, "-sub bool enable/disable scheduler utilization balancing,\n");
+#else
+ erts_fprintf(stderr, "-sub false disable scheduler utilization balancing,\n");
+#endif
+ 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");
+ erts_fprintf(stderr, " valid range is [%d-%d]\n",
ERTS_SCHED_THREAD_MIN_STACK_SIZE,
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), maximum for both\n");
- erts_fprintf(stderr, " numbers is %d\n",
+ 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");
+ 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",
+ 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",
+ ERTS_MAX_NO_OF_DIRTY_CPU_SCHEDULERS);
+ erts_fprintf(stderr, "-SDPcpu p1:p2 specify dirty CPU schedulers (p1) and dirty CPU schedulers\n");
+ erts_fprintf(stderr, " online (p2) as percentages of logical processors configured\n");
+ 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);
- erts_fprintf(stderr, "-T number set modified timing level,\n");
- erts_fprintf(stderr, " valid range is [0-%d]\n",
+ erts_fprintf(stderr, "-T number set modified timing level, valid range is [0-%d]\n",
ERTS_MODIFIED_TIMING_LEVELS-1);
- erts_fprintf(stderr, "-V print Erlang version\n");
+ erts_fprintf(stderr, "-V print Erlang version\n");
- erts_fprintf(stderr, "-v turn on chatty mode (GCs will be reported etc)\n");
+ erts_fprintf(stderr, "-v turn on chatty mode (GCs will be reported etc)\n");
- erts_fprintf(stderr, "-W<i|w> set error logger warnings mapping,\n");
- erts_fprintf(stderr, " see error_logger documentation for details\n");
- erts_fprintf(stderr, "-zdbbl size set the distribution buffer busy limit in kilobytes\n");
- erts_fprintf(stderr, " valid range is [1-%d]\n", INT_MAX/1024);
+ erts_fprintf(stderr, "-W<i|w> set error logger warnings mapping,\n");
+ erts_fprintf(stderr, " see error_logger documentation for details\n");
+ erts_fprintf(stderr, "-zdbbl size set the distribution buffer busy limit in kilobytes\n");
+ erts_fprintf(stderr, " valid range is [1-%d]\n", INT_MAX/1024);
erts_fprintf(stderr, "\n");
erts_fprintf(stderr, "Note that if the emulator is started with erlexec (typically\n");
erts_fprintf(stderr, "from the erl script), these flags should be specified with +.\n");
@@ -637,6 +669,13 @@ 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 */
@@ -687,7 +726,7 @@ early_init(int *argc, char **argv) /*
#endif
#ifdef ERTS_SMP
erts_smp_atomic32_init_nob(&erts_writing_erl_crash_dump, 0L);
- erts_tsd_key_create(&erts_is_crash_dumping_key);
+ erts_tsd_key_create(&erts_is_crash_dumping_key,"erts_is_crash_dumping_key");
#else
erts_writing_erl_crash_dump = 0;
#endif
@@ -712,6 +751,12 @@ 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);
/* erts_sys_getenv(_raw)() not initialized yet; need erts_sys_getenv__() */
@@ -752,7 +797,7 @@ early_init(int *argc, char **argv) /*
case 'A': {
/* set number of threads in thread pool */
char *arg = get_arg(argv[i]+2, argv[i+1], &i);
- if (((erts_async_max_threads = atoi(arg)) < 0) ||
+ if (((erts_async_max_threads = atoi(arg)) < ERTS_MIN_NO_OF_ASYNC_THREADS) ||
(erts_async_max_threads > ERTS_MAX_NO_OF_ASYNC_THREADS)) {
erts_fprintf(stderr,
"bad number of async threads %s\n",
@@ -802,7 +847,121 @@ early_init(int *argc, char **argv) /*
VERBOSE(DEBUG_SYSTEM,
("using %d:%d scheduler percentages\n",
schdlrs_percentage, schdlrs_onln_percentage));
- } else {
+ }
+#ifdef ERTS_DIRTY_SCHEDULERS
+ else if (argv[i][2] == 'D') {
+ char *arg;
+ char *type = argv[i]+3;
+ if (strncmp(type, "Pcpu", 4) == 0) {
+ int ptot, ponln;
+ arg = get_arg(argv[i]+7, 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_SDPcpu;
+ ptot = 100;
+ goto chk_SDPcpu;
+ default:
+ goto bad_SDPcpu;
+ }
+ case 1:
+ if (ptot < 0)
+ goto bad_SDPcpu;
+ ponln = ptot < 100 ? ptot : 100;
+ goto chk_SDPcpu;
+ case 2:
+ if (ptot < 0 || ponln < 0)
+ goto bad_SDPcpu;
+ chk_SDPcpu:
+ dirty_cpu_scheds_pctg = ptot;
+ dirty_cpu_scheds_onln_pctg = ponln;
+ break;
+ default:
+ bad_SDPcpu:
+ erts_fprintf(stderr,
+ "bad dirty CPU schedulers percentage specifier %s\n",
+ arg);
+ erts_usage();
+ break;
+ }
+ VERBOSE(DEBUG_SYSTEM,
+ ("using %d:%d dirty CPU scheduler percentages\n",
+ dirty_cpu_scheds_pctg, dirty_cpu_scheds_onln_pctg));
+ } else if (strncmp(type, "cpu", 3) == 0) {
+ int tot, onln;
+ arg = get_arg(argv[i]+6, 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_SDcpu;
+ default:
+ goto bad_SDcpu;
+ }
+ case 1:
+ onln = tot < dirty_cpu_scheds_online ?
+ tot : dirty_cpu_scheds_online;
+ case 2:
+ chk_SDcpu:
+ if (tot > 0)
+ dirty_cpu_scheds = tot;
+ else
+ dirty_cpu_scheds = no_schedulers + tot;
+ if (onln > 0)
+ dirty_cpu_scheds_online = onln;
+ else
+ dirty_cpu_scheds_online = no_schedulers_online + onln;
+ if (dirty_cpu_scheds < 1 ||
+ ERTS_MAX_NO_OF_DIRTY_CPU_SCHEDULERS < dirty_cpu_scheds) {
+ erts_fprintf(stderr,
+ "bad amount of dirty CPU schedulers %d\n",
+ tot);
+ erts_usage();
+ }
+ if (dirty_cpu_scheds_online < 1 ||
+ dirty_cpu_scheds < dirty_cpu_scheds_online) {
+ erts_fprintf(stderr,
+ "bad amount of dirty CPU schedulers online %d "
+ "(total amount of dirty CPU schedulers %d)\n",
+ dirty_cpu_scheds_online, dirty_cpu_scheds);
+ erts_usage();
+ }
+ break;
+ default:
+ bad_SDcpu:
+ erts_fprintf(stderr,
+ "bad amount of dirty CPU schedulers %s\n",
+ arg);
+ erts_usage();
+ break;
+ }
+ VERBOSE(DEBUG_SYSTEM,
+ ("using %d:%d dirty CPU scheduler(s)\n", tot, onln));
+ } else if (strncmp(type, "io", 2) == 0) {
+ arg = get_arg(argv[i]+5, argv[i+1], &i);
+ dirty_io_scheds = atoi(arg);
+ if (dirty_io_scheds < 0 ||
+ dirty_io_scheds > ERTS_MAX_NO_OF_DIRTY_IO_SCHEDULERS) {
+ erts_fprintf(stderr,
+ "bad number of dirty I/O schedulers %s\n",
+ arg);
+ erts_usage();
+ }
+ VERBOSE(DEBUG_SYSTEM,
+ ("using %d dirty I/O scheduler(s)\n", dirty_io_scheds));
+ } else {
+ erts_fprintf(stderr,
+ "bad or missing dirty scheduler specifier: %s\n",
+ argv[i]);
+ erts_usage();
+ break;
+ }
+ }
+#endif
+ else {
int tot, onln;
char *arg = get_arg(argv[i]+2, argv[i+1], &i);
switch (sscanf(arg, "%d:%d", &tot, &onln)) {
@@ -889,6 +1048,17 @@ early_init(int *argc, char **argv) /*
(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;
+ dirty_cpu_scheds_online = dirty_cpu_scheds_online * dirty_cpu_scheds_onln_pctg / 100;
+ }
+ if (dirty_cpu_scheds > schdlrs)
+ dirty_cpu_scheds = schdlrs;
+ if (dirty_cpu_scheds_online > schdlrs_onln)
+ dirty_cpu_scheds_online = schdlrs_onln;
+#endif
}
#ifndef USE_THREADS
@@ -901,6 +1071,11 @@ early_init(int *argc, char **argv) /*
erts_no_schedulers = (Uint) no_schedulers;
#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;
@@ -918,10 +1093,18 @@ early_init(int *argc, char **argv) /*
*
* * Unmanaged threads that need to register:
* ** Async threads (see erl_async.c)
+ * ** Dirty scheduler threads
*/
erts_thr_progress_init(no_schedulers,
no_schedulers+2,
- erts_async_max_threads);
+#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();
@@ -1229,6 +1412,7 @@ 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)) {
@@ -1246,6 +1430,14 @@ 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);
@@ -1386,7 +1578,15 @@ erl_start(int argc, char **argv)
break;
case 'S' : /* Was handled in early_init() just read past it */
- if (argv[i][2] == 'P')
+ if (argv[i][2] == 'D') {
+ char* type = argv[i]+3;
+ if (strcmp(type, "Pcpu") == 0)
+ (void) get_arg(argv[i]+7, argv[i+1], &i);
+ if (strcmp(type, "cpu") == 0)
+ (void) get_arg(argv[i]+6, argv[i+1], &i);
+ else if (strcmp(type, "io") == 0)
+ (void) get_arg(argv[i]+5, argv[i+1], &i);
+ } else 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);
@@ -1433,8 +1633,10 @@ erl_start(int argc, char **argv)
}
else if (has_prefix("cl", sub_param)) {
arg = get_arg(sub_param+2, argv[i+1], &i);
- if (sys_strcmp("true", arg) == 0)
+ if (sys_strcmp("true", arg) == 0) {
erts_sched_compact_load = 1;
+ erts_sched_balance_util = 0;
+ }
else if (sys_strcmp("false", arg) == 0)
erts_sched_compact_load = 0;
else {
@@ -1487,6 +1689,22 @@ erl_start(int argc, char **argv)
erts_usage();
}
}
+ else if (has_prefix("ecio", sub_param)) {
+ arg = get_arg(sub_param+4, argv[i+1], &i);
+#ifndef __OSE__
+ if (sys_strcmp("true", arg) == 0)
+ erts_eager_check_io = 1;
+ else
+#endif
+ if (sys_strcmp("false", arg) == 0)
+ erts_eager_check_io = 0;
+ else {
+ erts_fprintf(stderr,
+ "bad schedule eager check I/O value '%s'\n",
+ arg);
+ erts_usage();
+ }
+ }
else if (has_prefix("pp", sub_param)) {
arg = get_arg(sub_param+2, argv[i+1], &i);
if (sys_strcmp(arg, "true") == 0)
@@ -1512,6 +1730,26 @@ erl_start(int argc, char **argv)
erts_usage();
}
}
+ else if (has_prefix("ub", sub_param)) {
+ arg = get_arg(sub_param+2, argv[i+1], &i);
+ if (sys_strcmp("true", arg) == 0) {
+#if ERTS_HAVE_SCHED_UTIL_BALANCING_SUPPORT_OPT
+ erts_sched_balance_util = 1;
+#else
+ erts_fprintf(stderr,
+ "scheduler utilization balancing not "
+ "supported on this system\n");
+ erts_usage();
+#endif
+ }
+ else if (sys_strcmp("false", arg) == 0)
+ erts_sched_balance_util = 0;
+ else {
+ erts_fprintf(stderr, "bad scheduler utilization balancing "
+ " value '%s'\n", arg);
+ erts_usage();
+ }
+ }
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) {
@@ -1859,8 +2097,10 @@ erl_exit_vv(int n, int flush_async, char *fmt, va_list args1, va_list args2)
system_cleanup(flush_async);
save_statistics();
-
- an = abs(n);
+ if (n < 0)
+ an = -(unsigned int)n;
+ else
+ an = n;
if (erts_mtrace_enabled)
erts_mtrace_exit((Uint32) an);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-07 12:18:35 +0000