From 647a2b4dac949d50e01bfd541561f1e1ec1c890c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn-Egil=20Dahlberg?= Date: Tue, 15 Dec 2009 15:06:05 +0100 Subject: Add min heap size start options to beam and erl The erl (and beam) start arguments are extended with the following options: * +hms Size, sets the default minimum heap size for processes. * +hmbs Size, sets the default minimum binary virtual heap size for processes. The previous +h Size argument can still be used for backward compatibility purposes. --- erts/emulator/beam/erl_init.c | 115 +++++++++++++++++++++++++----------------- 1 file changed, 70 insertions(+), 45 deletions(-) (limited to 'erts/emulator/beam') diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c index 5d2d119b14..0677037bc5 100644 --- a/erts/emulator/beam/erl_init.c +++ b/erts/emulator/beam/erl_init.c @@ -515,67 +515,69 @@ 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, "-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, "-h number set minimum heap size in words (default %d)\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", + VH_DEFAULT_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, "-K boolean enable or disable kernel poll\n"); - erts_fprintf(stderr, "-l turn on auto load tracing\n"); + erts_fprintf(stderr, "-l turn on auto load tracing\n"); - erts_fprintf(stderr, "-M memory allocator switches,\n"); - erts_fprintf(stderr, " see the erts_alloc(3) documentation for more info.\n"); + erts_fprintf(stderr, "-M memory allocator switches,\n"); + erts_fprintf(stderr, " see the erts_alloc(3) documentation for more info.\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, "-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, "-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", ERTS_MIN_COMPAT_REL, this_rel_num()); - erts_fprintf(stderr, "-r force ets memory block to be moved on realloc\n"); - erts_fprintf(stderr, "-sbt type set scheduler bind type, valid types are:\n"); - erts_fprintf(stderr, " u|ns|ts|ps|s|nnts|nnps|tnnps|db\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, "-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, "-sbt type set scheduler bind type, valid types are:\n"); + erts_fprintf(stderr, " u|ns|ts|ps|s|nnts|nnps|tnnps|db\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, "-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, "-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, "-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_MAX_NO_OF_SCHEDULERS); - 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,\n"); + erts_fprintf(stderr, " 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 set error logger warnings mapping,\n"); - erts_fprintf(stderr, " see error_logger documentation for details\n"); + erts_fprintf(stderr, "-W set error logger warnings mapping,\n"); + erts_fprintf(stderr, " see error_logger documentation for details\n"); erts_fprintf(stderr, "\n"); erts_fprintf(stderr, "Note that if the emulator is started with erlexec (typically\n"); @@ -925,17 +927,40 @@ erl_start(int argc, char **argv) fprintf(stderr, "The undocumented +H option has been removed (R10B-6).\n\n"); break; - case 'h': - /* set default heap size */ - arg = get_arg(argv[i]+2, argv[i+1], &i); - if ((H_MIN_SIZE = atoi(arg)) <= 0) { - erts_fprintf(stderr, "bad heap size %s\n", arg); - erts_usage(); + case 'h': { + char *sub_param = argv[i]+2; + /* set default heap size + * + * h|ms - min_heap_size + * h|mbs - min_bin_vheap_size + * + */ + if (has_prefix("mbs", sub_param)) { + arg = get_arg(sub_param+3, argv[i+1], &i); + if ((BIN_VH_MIN_SIZE = atoi(arg)) <= 0) { + erts_fprintf(stderr, "bad heap size %s\n", arg); + erts_usage(); + } + VERBOSE(DEBUG_SYSTEM, ("using minimum binary virtual heap size %d\n", BIN_VH_MIN_SIZE)); + + } else if (has_prefix("ms", sub_param)) { + arg = get_arg(sub_param+2, argv[i+1], &i); + if ((H_MIN_SIZE = atoi(arg)) <= 0) { + erts_fprintf(stderr, "bad heap size %s\n", arg); + erts_usage(); + } + VERBOSE(DEBUG_SYSTEM, ("using minimum heap size %d\n", H_MIN_SIZE)); + } else { + /* backward compatibility */ + arg = get_arg(argv[i]+2, argv[i+1], &i); + if ((H_MIN_SIZE = atoi(arg)) <= 0) { + erts_fprintf(stderr, "bad heap size %s\n", arg); + erts_usage(); + } + VERBOSE(DEBUG_SYSTEM, ("using minimum heap size %d\n", H_MIN_SIZE)); } - VERBOSE(DEBUG_SYSTEM, - ("using minimum heap size %d\n",H_MIN_SIZE)); break; - + } case 'd': /* * Never produce crash dumps for internally detected -- cgit v1.2.3