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| author | Björn-Egil Dahlberg <[email protected]> | 2015-03-04 17:08:31 +0100 |
|---|---|---|
| committer | Björn-Egil Dahlberg <[email protected]> | 2015-03-04 17:08:31 +0100 |
| commit | e330a493032c35c0ca69cd78142e2ec03f5e370b (patch) | |
| tree | 42c68f822ca23ffd503b5bd4b2044334b5fca2dc /erts/emulator/beam | |
| parent | 14ddc5594d74979a15a256a41fba5f1297aeaa1a (diff) | |
| download | otp-e330a493032c35c0ca69cd78142e2ec03f5e370b.tar.gz otp-e330a493032c35c0ca69cd78142e2ec03f5e370b.tar.bz2 otp-e330a493032c35c0ca69cd78142e2ec03f5e370b.zip | |
erts: Enable command line argument for initial pd size
Use '+hpds size' to set initial process dictionary size for spawned processes.
Diffstat (limited to 'erts/emulator/beam')
| -rw-r--r-- | erts/emulator/beam/erl_init.c | 13 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_process_dict.c | 2 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_vm.h | 1 |
3 files changed, 15 insertions, 1 deletions
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c index 61f8385efc..743fd235bc 100644 --- a/erts/emulator/beam/erl_init.c +++ b/erts/emulator/beam/erl_init.c @@ -194,6 +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. */ @@ -519,6 +521,8 @@ void erts_usage(void) 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, "-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"); */ @@ -1408,6 +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)) { @@ -1425,6 +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); diff --git a/erts/emulator/beam/erl_process_dict.c b/erts/emulator/beam/erl_process_dict.c index 23e5bf737f..af20b26b15 100644 --- a/erts/emulator/beam/erl_process_dict.c +++ b/erts/emulator/beam/erl_process_dict.c @@ -47,7 +47,7 @@ /* Hash constant macros */ #define MAX_HASH 1342177280UL -#define INITIAL_SIZE 10 +#define INITIAL_SIZE (erts_pd_initial_size) /* Hash utility macros */ #define HASH_RANGE(PDict) ((PDict)->homeSize + (PDict)->splitPosition) diff --git a/erts/emulator/beam/erl_vm.h b/erts/emulator/beam/erl_vm.h index b7de8208ad..6687b044ee 100644 --- a/erts/emulator/beam/erl_vm.h +++ b/erts/emulator/beam/erl_vm.h @@ -174,6 +174,7 @@ extern int H_MIN_SIZE; /* minimum (heap + stack) */ extern int BIN_VH_MIN_SIZE; /* minimum virtual (bin) heap */ extern int erts_atom_table_size;/* Atom table size */ +extern int erts_pd_initial_size;/* Initial Process dictionary table size */ #define ORIG_CREATION 0 #define INTERNAL_CREATION 255 |