diff options
Diffstat (limited to 'erts/emulator/beam/erl_init.c')
| -rw-r--r-- | erts/emulator/beam/erl_init.c | 72 |
1 files changed, 66 insertions, 6 deletions
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c index ac0324d846..eaaf5c911a 100644 --- a/erts/emulator/beam/erl_init.c +++ b/erts/emulator/beam/erl_init.c @@ -61,8 +61,9 @@ #define ERTS_DEFAULT_NO_ASYNC_THREADS 10 -#define ERTS_DEFAULT_SCHED_STACK_SIZE 256 -#define ERTS_MIN_SCHED_STACK_SIZE 20 +#define ERTS_DEFAULT_SCHED_STACK_SIZE 128 +#define ERTS_DEFAULT_DCPU_SCHED_STACK_SIZE 40 +#define ERTS_DEFAULT_DIO_SCHED_STACK_SIZE 40 /* * The variables below (prefixed with etp_) are for erts/etc/unix/etp-commands @@ -641,9 +642,22 @@ void erts_usage(void) 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, " valid range is [%d-%d] (default %d)\n", + ERTS_SCHED_THREAD_MIN_STACK_SIZE, + ERTS_SCHED_THREAD_MAX_STACK_SIZE, + ERTS_DEFAULT_SCHED_STACK_SIZE); +#ifdef ERTS_DIRTY_SCHEDULERS + erts_fprintf(stderr, "-sssdcpu size suggested stack size in kilo words for dirty CPU scheduler\n"); + erts_fprintf(stderr, " threads, valid range is [%d-%d] (default %d)\n", + ERTS_SCHED_THREAD_MIN_STACK_SIZE, + ERTS_SCHED_THREAD_MAX_STACK_SIZE, + ERTS_DEFAULT_DCPU_SCHED_STACK_SIZE); + erts_fprintf(stderr, "-sssdio size suggested stack size in kilo words for dirty IO scheduler\n"); + erts_fprintf(stderr, " threads, valid range is [%d-%d] (default %d)\n", ERTS_SCHED_THREAD_MIN_STACK_SIZE, - ERTS_SCHED_THREAD_MAX_STACK_SIZE); + ERTS_SCHED_THREAD_MAX_STACK_SIZE, + ERTS_DEFAULT_DIO_SCHED_STACK_SIZE); +#endif 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"); @@ -1327,6 +1341,10 @@ erl_start(int argc, char **argv) * a lot of stack. */ erts_sched_thread_suggested_stack_size = ERTS_DEFAULT_SCHED_STACK_SIZE; +#ifdef ERTS_DIRTY_SCHEDULERS + erts_dcpu_sched_thread_suggested_stack_size = ERTS_DEFAULT_DCPU_SCHED_STACK_SIZE; + erts_dio_sched_thread_suggested_stack_size = ERTS_DEFAULT_DIO_SCHED_STACK_SIZE; +#endif #ifdef DEBUG verbose = DEBUG_DEFAULT; @@ -1945,6 +1963,42 @@ erl_start(int argc, char **argv) VERBOSE(DEBUG_SYSTEM, ("scheduler wakeup threshold: %s\n", arg)); } +#ifdef ERTS_DIRTY_SCHEDULERS + else if (has_prefix("ssdcpu", sub_param)) { + /* suggested stack size (Kilo Words) for dirty CPU scheduler threads */ + arg = get_arg(sub_param+6, argv[i+1], &i); + erts_dcpu_sched_thread_suggested_stack_size = atoi(arg); + + if ((erts_dcpu_sched_thread_suggested_stack_size + < ERTS_SCHED_THREAD_MIN_STACK_SIZE) + || (erts_dcpu_sched_thread_suggested_stack_size > + ERTS_SCHED_THREAD_MAX_STACK_SIZE)) { + erts_fprintf(stderr, "bad stack size for dirty CPU scheduler threads %s\n", + arg); + erts_usage(); + } + VERBOSE(DEBUG_SYSTEM, + ("suggested dirty CPU scheduler thread stack size %d kilo words\n", + erts_dcpu_sched_thread_suggested_stack_size)); + } + else if (has_prefix("ssdio", sub_param)) { + /* suggested stack size (Kilo Words) for dirty IO scheduler threads */ + arg = get_arg(sub_param+5, argv[i+1], &i); + erts_dio_sched_thread_suggested_stack_size = atoi(arg); + + if ((erts_dio_sched_thread_suggested_stack_size + < ERTS_SCHED_THREAD_MIN_STACK_SIZE) + || (erts_dio_sched_thread_suggested_stack_size > + ERTS_SCHED_THREAD_MAX_STACK_SIZE)) { + erts_fprintf(stderr, "bad stack size for dirty IO scheduler threads %s\n", + arg); + erts_usage(); + } + VERBOSE(DEBUG_SYSTEM, + ("suggested dirty IO scheduler thread stack size %d kilo words\n", + erts_dio_sched_thread_suggested_stack_size)); + } +#endif else if (has_prefix("ss", sub_param)) { /* suggested stack size (Kilo Words) for scheduler threads */ arg = get_arg(sub_param+2, argv[i+1], &i); @@ -2259,8 +2313,14 @@ erl_start(int argc, char **argv) boot_argc = argc - i; /* Number of arguments to init */ boot_argv = &argv[i]; - if (erts_sched_thread_suggested_stack_size < ERTS_MIN_SCHED_STACK_SIZE) - erts_sched_thread_suggested_stack_size = ERTS_MIN_SCHED_STACK_SIZE; + if (erts_sched_thread_suggested_stack_size < ERTS_SCHED_THREAD_MIN_STACK_SIZE) + erts_sched_thread_suggested_stack_size = ERTS_SCHED_THREAD_MIN_STACK_SIZE; +#ifdef ERTS_DIRTY_SCHEDULERS + if (erts_dcpu_sched_thread_suggested_stack_size < ERTS_SCHED_THREAD_MIN_STACK_SIZE) + erts_dcpu_sched_thread_suggested_stack_size = ERTS_SCHED_THREAD_MIN_STACK_SIZE; + if (erts_dio_sched_thread_suggested_stack_size < ERTS_SCHED_THREAD_MIN_STACK_SIZE) + erts_dio_sched_thread_suggested_stack_size = ERTS_SCHED_THREAD_MIN_STACK_SIZE; +#endif erl_init(ncpu, proc_tab_sz, |