/*
** Data sent from erlang to port.
*/
static void trace_file_output(ErlDrvData handle, char *buf,
ErlDrvSizeT len)
{
int index = 1;
ei_print_term(stdout, buf, &index);
erts_printf("\n");
/* erts_printf("output: %d: %u\n", rc, (unsigned char)buff[0]); */
int arity;
char atom[MAXATOMLEN];
char type[MAXATOMLEN];
char pidstr[100];
index = 1;
erlang_pid pid;
if(!ei_decode_tuple_header(buf, &index, &arity)) {
if(!ei_decode_atom(buf, &index, atom)) {
if(strcmp("trace", atom) == 0) {
if(!ei_decode_pid(buf, &index, &pid)) {
if(!ei_decode_atom(buf, &index, type)) {
snprintf(pidstr, 100, "<0.%d.%d>", pid.num, pid.serial);
erts_printf("%s: %s\n", pidstr, type);
dispatch(pidstr, type, index, buf);
}
}
}
}
}
}
static void
bin_check(void)
{
Process *rp;
struct erl_off_heap_header* hdr;
int i, printed = 0, max = erts_ptab_max(&erts_proc);
for (i=0; i < max; i++) {
rp = erts_pix2proc(i);
if (!rp)
continue;
for (hdr = rp->off_heap.first; hdr; hdr = hdr->next) {
if (hdr->thing_word == HEADER_PROC_BIN) {
ProcBin *bp = (ProcBin*) hdr;
if (!printed) {
erts_printf("Process %T holding binary data \n", rp->common.id);
printed = 1;
}
erts_printf("%p orig_size: %bpd, norefs = %bpd\n",
bp->val,
bp->val->orig_size,
erts_smp_atomic_read_nob(&bp->val->refc));
}
}
if (printed) {
erts_printf("--------------------------------------\n");
printed = 0;
}
}
/* db_bin_check() has to be rewritten for the AVL trees... */
/*db_bin_check();*/
}
void print_memory_info(Process *p)
{
if (p != NULL) {
erts_printf("======================================\n");
erts_printf("|| Memory info for %-12T ||\n",p->common.id);
erts_printf("======================================\n");
erts_printf("+- local heap ----%s-%s-%s-%s-+\n",
dashes,dashes,dashes,dashes);
erts_printf("| Young | 0x%0*lx - (0x%0*lx) - 0x%0*lx - 0x%0*lx |\n",
PTR_SIZE, (unsigned long)HEAP_START(p),
PTR_SIZE, (unsigned long)HIGH_WATER(p),
PTR_SIZE, (unsigned long)HEAP_TOP(p),
PTR_SIZE, (unsigned long)HEAP_END(p));
if (OLD_HEAP(p) != NULL)
erts_printf("| Old | 0x%0*lx - 0x%0*lx - 0x%0*lx %*s |\n",
PTR_SIZE, (unsigned long)OLD_HEAP(p),
PTR_SIZE, (unsigned long)OLD_HTOP(p),
PTR_SIZE, (unsigned long)OLD_HEND(p),
PTR_SIZE, "");
} else {
erts_printf("=================\n");
erts_printf("|| Memory info ||\n");
erts_printf("=================\n");
}
erts_printf("+-----------------%s-%s-%s-%s-+\n",dashes,dashes,dashes,dashes);
}
void erts_p_slpq(void)
{
int i;
ErlTimer* p;
erts_smp_mtx_lock(&tiw_lock);
/* print the whole wheel, starting at the current position */
erts_printf("\ntiw_pos = %d tiw_nto %d\n", tiw_pos, tiw_nto);
i = tiw_pos;
if (tiw[i] != NULL) {
erts_printf("%d:\n", i);
for(p = tiw[i]; p != NULL; p = p->next) {
erts_printf(" (count %d, slot %d)\n",
p->count, p->slot);
}
}
for(i = (i+1)%TIW_SIZE; i != tiw_pos; i = (i+1)%TIW_SIZE) {
if (tiw[i] != NULL) {
erts_printf("%d:\n", i);
for(p = tiw[i]; p != NULL; p = p->next) {
erts_printf(" (count %d, slot %d)\n",
p->count, p->slot);
}
}
}
erts_smp_mtx_unlock(&tiw_lock);
}
static void
process_killer(void)
{
int i, j, max = erts_ptab_max(&erts_proc);
Process* rp;
erts_printf("\n\nProcess Information\n\n");
erts_printf("--------------------------------------------------\n");
for (i = max-1; i >= 0; i--) {
rp = erts_pix2proc(i);
if (rp && rp->i != ENULL) {
int br;
print_process_info(ERTS_PRINT_STDOUT, NULL, rp);
erts_printf("(k)ill (n)ext (r)eturn:\n");
while(1) {
if ((j = sys_get_key(0)) <= 0)
erts_exit(0, "");
switch(j) {
case 'k': {
ErtsProcLocks rp_locks = ERTS_PROC_LOCKS_XSIG_SEND;
erts_aint32_t state;
erts_proc_inc_refc(rp);
erts_smp_proc_lock(rp, rp_locks);
state = erts_smp_atomic32_read_acqb(&rp->state);
if (state & (ERTS_PSFLG_FREE
| ERTS_PSFLG_EXITING
| ERTS_PSFLG_ACTIVE
| ERTS_PSFLG_ACTIVE_SYS
| ERTS_PSFLG_IN_RUNQ
| ERTS_PSFLG_RUNNING
| ERTS_PSFLG_RUNNING_SYS
| ERTS_PSFLG_DIRTY_RUNNING
| ERTS_PSFLG_DIRTY_RUNNING_SYS)) {
erts_printf("Can only kill WAITING processes this way\n");
}
else {
(void) erts_send_exit_signal(NULL,
NIL,
rp,
&rp_locks,
am_kill,
NIL,
NULL,
0);
}
erts_smp_proc_unlock(rp, rp_locks);
erts_proc_dec_refc(rp);
}
case 'n': br = 1; break;
case 'r': return;
default: return;
}
if (br == 1) break;
}
}
}
}
/*
* print_untagged_memory will print the contents of given memory area.
*/
void print_untagged_memory(Eterm *pos, Eterm *end)
{
int i = 0;
erts_printf("| %*s | Range: 0x%0*lx - 0x%0*lx%*s|\n",
PTR_SIZE, "",
PTR_SIZE,(unsigned long)pos,
PTR_SIZE,(unsigned long)(end - 1),2 * PTR_SIZE - 2,"");
erts_printf("| %-*s | %-*s |\n",PTR_SIZE+2,"Address",
4*PTR_SIZE+11,"Contents");
erts_printf("|-%s-|-%s-%s-%s-%s-|\n",dashes,dashes,dashes,dashes,dashes);
while( pos < end ) {
if (i == 0)
erts_printf("| 0x%0*lx | ", PTR_SIZE, (unsigned long)pos);
erts_printf("0x%0*lx ",PTR_SIZE,(unsigned long)*pos);
pos++; i++;
if (i == 4) {
erts_printf("|\n");
i = 0;
}
}
while (i && i < 4) {
erts_printf("%*s",PTR_SIZE+3,"");
i++;
}
if (i != 0)
erts_printf("|\n");
erts_printf("+-%s-+-%s-%s-%s-%s-+\n",dashes,dashes,dashes,dashes,dashes);
}
static void print_heap(Eterm *pos, Eterm *end)
{
printf("From: 0x%0*lx to 0x%0*lx\n\r",
2*(int)sizeof(long), (unsigned long)pos,
2*(int)sizeof(long), (unsigned long)end);
printf(" | H E A P |\r\n");
printf(" | %*s | %*s |\r\n",
2+2*(int)sizeof(long), "Address",
2+2*(int)sizeof(long), "Contents");
printf(" |%s|%s|\r\n", dashes, dashes);
while (pos < end) {
Eterm val = pos[0];
printf(" | 0x%0*lx | 0x%0*lx | ",
2*(int)sizeof(long), (unsigned long)pos,
2*(int)sizeof(long), (unsigned long)val);
++pos;
if (is_arity_value(val))
printf("Arity(%lu)", arityval(val));
else if (is_thing(val)) {
unsigned int ari = thing_arityval(val);
printf("Thing Arity(%u) Tag(%lu)", ari, thing_subtag(val));
while (ari) {
printf("\r\n | 0x%0*lx | 0x%0*lx | THING",
2*(int)sizeof(long), (unsigned long)pos,
2*(int)sizeof(long), (unsigned long)*pos);
++pos;
--ari;
}
} else
erts_printf("%.30T", val);
printf("\r\n");
}
printf(" |%s|%s|\r\n", dashes, dashes);
}
static void
dump_frequencies(void)
{
int i;
FILE* fp;
time_t now;
static char name[] = "op_freq.dump";
fp = fopen(name, "w");
if (fp == NULL) {
fprintf(stderr, "Failed to open %s for writing\n", name);
return;
}
time(&now);
fprintf(fp, "# Generated %s\n", ctime(&now));
for (i = 0; i <= HIGHEST_OP; i++) {
if (opc[i].name != NULL) {
fprintf(fp, "%s %d\n", opc[i].name, opc[i].count);
}
}
fclose(fp);
erts_printf("Frequencies dumped to %s\n", name);
}
static int
purge_module(int module)
{
Eterm* code;
Eterm* end;
Module* modp;
int i;
/*
* Correct module?
*/
if ((modp = erts_get_module(make_atom(module))) == NULL) {
return -2;
}
/*
* Any code to purge?
*/
if (modp->old_code == 0) {
if (display_loads) {
erts_printf("No code to purge for %T\n", make_atom(module));
}
return -1;
}
/*
* Remove the old code.
*/
ASSERT(erts_total_code_size >= modp->old_code_length);
erts_total_code_size -= modp->old_code_length;
code = modp->old_code;
end = (Eterm *)((char *)code + modp->old_code_length);
erts_cleanup_funs_on_purge(code, end);
beam_catches_delmod(modp->old_catches, code, modp->old_code_length);
erts_free(ERTS_ALC_T_CODE, (void *) code);
modp->old_code = NULL;
modp->old_code_length = 0;
modp->old_catches = BEAM_CATCHES_NIL;
/*
* Remove the code from the address table too.
*/
for (i = 0; i < num_loaded_modules; i++) {
if (modules[i].start == code) {
num_loaded_modules--;
while (i < num_loaded_modules) {
modules[i] = modules[i+1];
i++;
}
mid_module = &modules[num_loaded_modules/2];
return 0;
}
}
ASSERT(0); /* Not found? */
return 0;
}
static void my_debug_printf(char *fmt, ...)
{
char buffer[1024];
va_list args;
va_start(args, fmt);
erts_vsnprintf(buffer,1024,fmt,args);
va_end(args);
erts_printf("%s\r\n",buffer);
}
/*
** Control message from erlang, we handle $f, which is flush.
*/
static ErlDrvSSizeT trace_file_control(ErlDrvData handle,
unsigned int command,
char* buff, ErlDrvSizeT count,
char** res, ErlDrvSizeT res_size)
{
erts_printf("control\n");
if (command == 'f') {
return 1;
}
return -1;
}
void erts_p_slpq(void)
{
erts_printf("Not yet implemented...\n");
#if 0
ErtsMonotonicTime current_time = erts_get_monotonic_time(NULL);
int i;
ErtsTWheelTimer* p;
/* print the whole wheel, starting at the current position */
erts_printf("\ncurrent time = %bps tiw_pos = %d tiw_nto %d\n",
current_time, tiw->pos, tiw->nto);
i = tiw->pos;
if (tiw->w[i] != NULL) {
erts_printf("%d:\n", i);
for(p = tiw->w[i]; p != NULL; p = p->next) {
erts_printf(" (timeout time %bps, slot %d)\n",
ERTS_CLKTCKS_TO_MONOTONIC(p->timeout_pos),
p->slot);
}
}
for(i = ((i+1) & (ERTS_TIW_SIZE-1)); i != (tiw->pos & (ERTS_TIW_SIZE-1)); i = ((i+1) & (ERTS_TIW_SIZE-1))) {
if (tiw->w[i] != NULL) {
erts_printf("%d:\n", i);
for(p = tiw->w[i]; p != NULL; p = p->next) {
erts_printf(" (timeout time %bps, slot %d)\n",
ERTS_CLKTCKS_TO_MONOTONIC(p->timeout_pos), p->slot);
}
}
}
#endif
}
static int
purge_module(int module)
{
BeamInstr* code;
BeamInstr* end;
Module* modp;
/*
* Correct module?
*/
if ((modp = erts_get_module(make_atom(module))) == NULL) {
return -2;
}
/*
* Any code to purge?
*/
if (modp->old_code == 0) {
if (display_loads) {
erts_printf("No code to purge for %T\n", make_atom(module));
}
return -1;
}
/*
* Unload any NIF library
*/
if (modp->old_nif != NULL) {
erts_unload_nif(modp->old_nif);
modp->old_nif = NULL;
}
/*
* Remove the old code.
*/
ASSERT(erts_total_code_size >= modp->old_code_length);
erts_total_code_size -= modp->old_code_length;
code = modp->old_code;
end = (BeamInstr *)((char *)code + modp->old_code_length);
erts_cleanup_funs_on_purge(code, end);
beam_catches_delmod(modp->old_catches, code, modp->old_code_length);
erts_free(ERTS_ALC_T_CODE, (void *) code);
modp->old_code = NULL;
modp->old_code_length = 0;
modp->old_catches = BEAM_CATCHES_NIL;
remove_from_address_table(code);
return 0;
}
static void print_beam_pc(BeamInstr *pc)
{
if (pc == hipe_beam_pc_return) {
printf("return-to-native");
} else if (pc == hipe_beam_pc_throw) {
printf("throw-to-native");
} else if (pc == &beam_apply[1]) {
printf("normal-process-exit");
} else {
BeamInstr *mfa = find_function_from_pc(pc);
if (mfa)
erts_printf("%T:%T/%bpu + 0x%bpx",
mfa[0], mfa[1], mfa[2], pc - &mfa[3]);
else
printf("?");
}
}
static void print_beam_pc(BeamInstr *pc)
{
if (pc == hipe_beam_pc_return) {
printf("return-to-native");
} else if (pc == hipe_beam_pc_throw) {
printf("throw-to-native");
} else if (pc == &beam_apply[1]) {
printf("normal-process-exit");
} else {
ErtsCodeMFA *cmfa = find_function_from_pc(pc);
if (cmfa) {
fflush(stdout);
erts_printf("%T:%T/%bpu + 0x%bpx",
cmfa->module, cmfa->function,
cmfa->arity,
pc - erts_codemfa_to_code(cmfa));
} else
printf("?");
}
}
void do_call(char *pid, int index, char *buf) {
char m[MAXATOMLEN];
char f[MAXATOMLEN];
long a;
int arity;
if(ei_decode_tuple_header(buf, &index, &arity) || (arity != 3))
return;
if(ei_decode_atom(buf, &index, m))
return;
if(ei_decode_atom(buf, &index, f))
return;
if(ei_decode_long(buf, &index, &a)) {
if(ei_decode_list_header(buf, &index, &arity))
return;
a = arity;
}
erts_printf("%s call %s/%s/%d\n", pid, m, f, a);
}
int
beam_make_current_old(Process *c_p, ErtsProcLocks c_p_locks, Eterm module)
{
Module* modp = erts_put_module(module);
/*
* Check if the previous code has been already deleted;
* if not, delete old code; error if old code already exists.
*/
if (modp->code != NULL && modp->old_code != NULL) {
return -3;
} else if (modp->old_code == NULL) { /* Make the current version old. */
if (display_loads) {
erts_printf("saving old code\n");
}
delete_code(c_p, c_p_locks, modp);
delete_export_references(module);
}
return 0;
}
static void print_stack(Eterm *sp, Eterm *end)
{
printf(" | %*s | %*s |\r\n",
2+2*(int)sizeof(long), "Address",
2+2*(int)sizeof(long), "Contents");
while (sp < end) {
Eterm val = sp[0];
if (is_CP(val))
print_beam_cp(sp, val);
else if (is_catch(val))
print_catch(sp, val);
else {
printf(" | 0x%0*lx | 0x%0*lx | ",
2*(int)sizeof(long), (unsigned long)sp,
2*(int)sizeof(long), (unsigned long)val);
erts_printf("%.30T", val);
printf("\r\n");
}
sp += 1;
}
printf(" |%s|%s|\r\n", dashes, dashes);
}
static void print_lock_x(erts_lcnt_lock_t *lock, Uint16 flag, char *action, char *extra) {
erts_aint_t colls, tries, w_state, r_state;
erts_lcnt_lock_stats_t *stats = NULL;
char *type;
int i;
type = lcnt_lock_type(lock->flag);
r_state = ethr_atomic_read(&lock->r_state);
w_state = ethr_atomic_read(&lock->w_state);
if (lock->flag & flag) {
erts_printf("%20s [%30s] [r/w state %4ld/%4ld] id %T %s\r\n",
action,
lock->name,
r_state,
w_state,
lock->id,
extra);
}
}
BIF_RETTYPE hipe_bifs_show_term_1(BIF_ALIST_1)
{
Eterm obj = BIF_ARG_1;
printf("0x%0*lx\r\n", 2*(int)sizeof(long), obj);
do {
Eterm *objp;
int i, ary;
if (is_list(obj)) {
objp = list_val(obj);
ary = 2;
} else if (is_boxed(obj)) {
Eterm header;
objp = boxed_val(obj);
header = objp[0];
if (is_thing(header))
ary = thing_arityval(header);
else if (is_arity_value(header))
ary = arityval(header);
else {
printf("bad header %#lx\r\n", header);
break;
}
ary += 1;
} else
break;
for (i = 0; i < ary; ++i)
printf("0x%0*lx: 0x%0*lx\r\n",
2*(int)sizeof(long), (unsigned long)&objp[i],
2*(int)sizeof(long), objp[i]);
} while (0);
erts_printf("%T", obj);
printf("\r\n");
BIF_RET(am_true);
}
void
erl_start(int argc, char **argv)
{
int i = 1;
char* arg=NULL;
char* Parg = NULL;
int have_break_handler = 1;
char envbuf[21]; /* enough for any 64-bit integer */
size_t envbufsz;
int ncpu = early_init(&argc, argv);
envbufsz = sizeof(envbuf);
if (erts_sys_getenv(ERL_MAX_ETS_TABLES_ENV, envbuf, &envbufsz) == 0)
user_requested_db_max_tabs = atoi(envbuf);
else
user_requested_db_max_tabs = 0;
envbufsz = sizeof(envbuf);
if (erts_sys_getenv("ERL_FULLSWEEP_AFTER", envbuf, &envbufsz) == 0) {
Uint16 max_gen_gcs = atoi(envbuf);
erts_smp_atomic32_set_nob(&erts_max_gen_gcs,
(erts_aint32_t) max_gen_gcs);
}
#if (defined(__APPLE__) && defined(__MACH__)) || defined(__DARWIN__)
/*
* The default stack size on MacOS X is too small for pcre.
*/
erts_sched_thread_suggested_stack_size = 256;
#endif
#ifdef DEBUG
verbose = DEBUG_DEFAULT;
#endif
erts_error_logger_warnings = am_error;
while (i < argc) {
if (argv[i][0] != '-') {
erts_usage();
}
if (strcmp(argv[i], "--") == 0) { /* end of emulator options */
i++;
break;
}
switch (argv[i][1]) {
/*
* NOTE: -M flags are handled (and removed from argv) by
* erts_alloc_init().
*
* The -d, -m, -S, -t, and -T flags was removed in
* Erlang 5.3/OTP R9C.
*
* -S, and -T has been reused in Erlang 5.5/OTP R11B.
*
* -d has been reused in a patch R12B-4.
*/
case '#' :
arg = get_arg(argv[i]+2, argv[i+1], &i);
if ((display_items = atoi(arg)) == 0) {
erts_fprintf(stderr, "bad display items%s\n", arg);
erts_usage();
}
VERBOSE(DEBUG_SYSTEM,
("using display items %d\n",display_items));
break;
case 'f':
if (!strncmp(argv[i],"-fn",3)) {
arg = get_arg(argv[i]+3, argv[i+1], &i);
switch (*arg) {
case 'u':
erts_set_user_requested_filename_encoding(ERL_FILENAME_UTF8);
break;
case 'l':
erts_set_user_requested_filename_encoding(ERL_FILENAME_LATIN1);
break;
case 'a':
erts_set_user_requested_filename_encoding(ERL_FILENAME_UNKNOWN);
default:
erts_fprintf(stderr, "bad filename encoding %s, can be (l,u or a)\n", arg);
erts_usage();
}
break;
} else {
erts_fprintf(stderr, "%s unknown flag %s\n", argv[0], argv[i]);
erts_usage();
}
case 'L':
erts_no_line_info = 1;
break;
case 'v':
#ifdef DEBUG
if (argv[i][2] == '\0') {
verbose |= DEBUG_SYSTEM;
} else {
char *ch;
for (ch = argv[i]+2; *ch != '\0'; ch++) {
switch (*ch) {
case 's': verbose |= DEBUG_SYSTEM; break;
case 'g': verbose |= DEBUG_PRIVATE_GC; break;
case 'M': verbose |= DEBUG_MEMORY; break;
case 'a': verbose |= DEBUG_ALLOCATION; break;
case 't': verbose |= DEBUG_THREADS; break;
case 'p': verbose |= DEBUG_PROCESSES; break;
case 'm': verbose |= DEBUG_MESSAGES; break;
default : erts_fprintf(stderr,"Unknown verbose option: %c\n",*ch);
}
}
}
erts_printf("Verbose level: ");
if (verbose & DEBUG_SYSTEM) erts_printf("SYSTEM ");
if (verbose & DEBUG_PRIVATE_GC) erts_printf("PRIVATE_GC ");
if (verbose & DEBUG_MEMORY) erts_printf("PARANOID_MEMORY ");
if (verbose & DEBUG_ALLOCATION) erts_printf("ALLOCATION ");
if (verbose & DEBUG_THREADS) erts_printf("THREADS ");
if (verbose & DEBUG_PROCESSES) erts_printf("PROCESSES ");
if (verbose & DEBUG_MESSAGES) erts_printf("MESSAGES ");
erts_printf("\n");
#else
erts_fprintf(stderr, "warning: -v (only in debug compiled code)\n");
#endif
break;
case 'V' :
{
char tmp[256];
tmp[0] = tmp[1] = '\0';
#ifdef DEBUG
strcat(tmp, ",DEBUG");
#endif
#ifdef ERTS_SMP
strcat(tmp, ",SMP");
#endif
#ifdef USE_THREADS
strcat(tmp, ",ASYNC_THREADS");
#endif
#ifdef HIPE
strcat(tmp, ",HIPE");
#endif
erts_fprintf(stderr, "Erlang ");
if (tmp[1]) {
erts_fprintf(stderr, "(%s) ", tmp+1);
}
erts_fprintf(stderr, "(" EMULATOR ") emulator version "
ERLANG_VERSION "\n");
erl_exit(0, "");
}
break;
case 'H': /* undocumented */
fprintf(stderr, "The undocumented +H option has been removed (R10B-6).\n\n");
break;
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));
}
break;
}
case 'd':
/*
* Never produce crash dumps for internally detected
* errors; only produce a core dump. (Generation of
* crash dumps is destructive and makes it impossible
* to inspect the contents of process heaps in the
* core dump.)
*/
erts_no_crash_dump = 1;
break;
case 'e':
if (sys_strcmp("c", argv[i]+2) == 0) {
erts_ets_always_compress = 1;
}
else {
/* set maximum number of ets tables */
arg = get_arg(argv[i]+2, argv[i+1], &i);
if (( user_requested_db_max_tabs = atoi(arg) ) < 0) {
erts_fprintf(stderr, "bad maximum number of ets tables %s\n", arg);
erts_usage();
}
VERBOSE(DEBUG_SYSTEM,
("using maximum number of ets tables %d\n",
user_requested_db_max_tabs));
}
break;
case 'i':
/* define name of module for initial function */
init = get_arg(argv[i]+2, argv[i+1], &i);
break;
case 'b':
/* define name of initial function */
boot = get_arg(argv[i]+2, argv[i+1], &i);
break;
case 'B':
if (argv[i][2] == 'i') /* +Bi */
ignore_break = 1;
else if (argv[i][2] == 'c') /* +Bc */
replace_intr = 1;
else if (argv[i][2] == 'd') /* +Bd */
have_break_handler = 0;
else if (argv[i+1][0] == 'i') { /* +B i */
get_arg(argv[i]+2, argv[i+1], &i);
ignore_break = 1;
}
else if (argv[i+1][0] == 'c') { /* +B c */
get_arg(argv[i]+2, argv[i+1], &i);
replace_intr = 1;
}
else if (argv[i+1][0] == 'd') { /* +B d */
get_arg(argv[i]+2, argv[i+1], &i);
have_break_handler = 0;
}
else /* +B */
have_break_handler = 0;
break;
case 'K':
/* If kernel poll support is present,
erl_sys_args() will remove the K parameter
and value */
get_arg(argv[i]+2, argv[i+1], &i);
erts_fprintf(stderr,
"kernel-poll not supported; \"K\" parameter ignored\n",
arg);
break;
case 'P':
/* set maximum number of processes */
Parg = get_arg(argv[i]+2, argv[i+1], &i);
erts_proc.max = atoi(Parg);
/* Check of result is delayed until later. This is because +R
may be given after +P. */
break;
case 'S' : /* Was handled in early_init() just read past it */
(void) get_arg(argv[i]+2, argv[i+1], &i);
break;
case 's' : {
char *estr;
int res;
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_string(arg);
if (res != ERTS_INIT_SCHED_BIND_TYPE_SUCCESS) {
switch (res) {
case ERTS_INIT_SCHED_BIND_TYPE_NOT_SUPPORTED:
estr = "not supported";
break;
case ERTS_INIT_SCHED_BIND_TYPE_ERROR_NO_CPU_TOPOLOGY:
estr = "no cpu topology available";
break;
case ERTS_INIT_SCHED_BIND_TYPE_ERROR_NO_BAD_TYPE:
estr = "invalid type";
break;
default:
estr = "undefined error";
break;
}
erts_fprintf(stderr,
"setting scheduler bind type '%s' failed: %s\n",
arg,
estr);
erts_usage();
}
}
else if (has_prefix("bwt", sub_param)) {
arg = get_arg(sub_param+3, argv[i+1], &i);
if (erts_sched_set_busy_wait_threshold(arg) != 0) {
erts_fprintf(stderr, "bad scheduler busy wait threshold: %s\n",
arg);
erts_usage();
}
VERBOSE(DEBUG_SYSTEM,
("scheduler wakup threshold: %s\n", arg));
}
else if (has_prefix("cl", sub_param)) {
arg = get_arg(sub_param+2, argv[i+1], &i);
if (sys_strcmp("true", arg) == 0)
erts_sched_compact_load = 1;
else if (sys_strcmp("false", arg) == 0)
erts_sched_compact_load = 0;
else {
erts_fprintf(stderr,
"bad scheduler compact load value '%s'\n",
arg);
erts_usage();
}
}
else if (has_prefix("ct", sub_param)) {
arg = get_arg(sub_param+2, argv[i+1], &i);
res = erts_init_cpu_topology_string(arg);
if (res != ERTS_INIT_CPU_TOPOLOGY_OK) {
switch (res) {
case ERTS_INIT_CPU_TOPOLOGY_INVALID_ID:
estr = "invalid identifier";
break;
case ERTS_INIT_CPU_TOPOLOGY_INVALID_ID_RANGE:
estr = "invalid identifier range";
break;
case ERTS_INIT_CPU_TOPOLOGY_INVALID_HIERARCHY:
estr = "invalid hierarchy";
break;
case ERTS_INIT_CPU_TOPOLOGY_INVALID_ID_TYPE:
estr = "invalid identifier type";
break;
case ERTS_INIT_CPU_TOPOLOGY_INVALID_NODES:
estr = "invalid nodes declaration";
break;
case ERTS_INIT_CPU_TOPOLOGY_MISSING_LID:
estr = "missing logical identifier";
break;
case ERTS_INIT_CPU_TOPOLOGY_NOT_UNIQUE_LIDS:
estr = "not unique logical identifiers";
break;
case ERTS_INIT_CPU_TOPOLOGY_NOT_UNIQUE_ENTITIES:
estr = "not unique entities";
break;
case ERTS_INIT_CPU_TOPOLOGY_MISSING:
estr = "missing cpu topology";
break;
default:
estr = "undefined error";
break;
}
erts_fprintf(stderr,
"bad cpu topology '%s': %s\n",
arg,
estr);
erts_usage();
}
}
else if (sys_strcmp("nsp", sub_param) == 0)
erts_use_sender_punish = 0;
else if (sys_strcmp("wt", sub_param) == 0) {
arg = get_arg(sub_param+2, argv[i+1], &i);
if (erts_sched_set_wakeup_other_thresold(arg) != 0) {
erts_fprintf(stderr, "scheduler wakeup threshold: %s\n",
arg);
erts_usage();
}
VERBOSE(DEBUG_SYSTEM,
("scheduler wakeup threshold: %s\n", arg));
}
else if (sys_strcmp("ws", sub_param) == 0) {
arg = get_arg(sub_param+2, argv[i+1], &i);
if (erts_sched_set_wakeup_other_type(arg) != 0) {
erts_fprintf(stderr, "scheduler wakeup strategy: %s\n",
arg);
erts_usage();
}
VERBOSE(DEBUG_SYSTEM,
("scheduler wakeup threshold: %s\n", arg));
}
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);
erts_sched_thread_suggested_stack_size = atoi(arg);
if ((erts_sched_thread_suggested_stack_size
< ERTS_SCHED_THREAD_MIN_STACK_SIZE)
|| (erts_sched_thread_suggested_stack_size >
ERTS_SCHED_THREAD_MAX_STACK_SIZE)) {
erts_fprintf(stderr, "bad stack size for scheduler threads %s\n",
arg);
erts_usage();
}
VERBOSE(DEBUG_SYSTEM,
("suggested scheduler thread stack size %d kilo words\n",
erts_sched_thread_suggested_stack_size));
}
else {
erts_fprintf(stderr, "bad scheduling option %s\n", argv[i]);
erts_usage();
}
break;
}
case 't':
/* set atom table size */
arg = get_arg(argv[i]+2, argv[i+1], &i);
errno = 0;
erts_atom_table_size = strtol(arg, NULL, 10);
if (errno != 0 ||
erts_atom_table_size < MIN_ATOM_TABLE_SIZE ||
erts_atom_table_size > MAX_ATOM_TABLE_SIZE) {
erts_fprintf(stderr, "bad atom table size %s\n", arg);
erts_usage();
}
VERBOSE(DEBUG_SYSTEM,
("setting maximum number of atoms to %d\n",
erts_atom_table_size));
break;
case 'T' :
arg = get_arg(argv[i]+2, argv[i+1], &i);
errno = 0;
erts_modified_timing_level = atoi(arg);
if ((erts_modified_timing_level == 0 && errno != 0)
|| erts_modified_timing_level < 0
|| erts_modified_timing_level >= ERTS_MODIFIED_TIMING_LEVELS) {
erts_fprintf(stderr, "bad modified timing level %s\n", arg);
erts_usage();
}
else {
VERBOSE(DEBUG_SYSTEM,
("using modified timing level %d\n",
erts_modified_timing_level));
}
break;
case 'R': {
/* set compatibility release */
arg = get_arg(argv[i]+2, argv[i+1], &i);
erts_compat_rel = atoi(arg);
if (erts_compat_rel < ERTS_MIN_COMPAT_REL
|| erts_compat_rel > this_rel_num()) {
erts_fprintf(stderr, "bad compatibility release number %s\n", arg);
erts_usage();
}
ASSERT(ERTS_MIN_COMPAT_REL >= 7);
switch (erts_compat_rel) {
case 7:
case 8:
case 9:
erts_use_r9_pids_ports = 1;
default:
break;
}
break;
}
case 'A': /* Was handled in early init just read past it */
(void) get_arg(argv[i]+2, argv[i+1], &i);
break;
case 'a':
/* suggested stack size (Kilo Words) for threads in thread pool */
arg = get_arg(argv[i]+2, argv[i+1], &i);
erts_async_thread_suggested_stack_size = atoi(arg);
if ((erts_async_thread_suggested_stack_size
< ERTS_ASYNC_THREAD_MIN_STACK_SIZE)
|| (erts_async_thread_suggested_stack_size >
ERTS_ASYNC_THREAD_MAX_STACK_SIZE)) {
erts_fprintf(stderr, "bad stack size for async threads %s\n",
arg);
erts_usage();
}
VERBOSE(DEBUG_SYSTEM,
("suggested async-thread stack size %d kilo words\n",
erts_async_thread_suggested_stack_size));
break;
case 'r': {
char *sub_param = argv[i]+2;
if (has_prefix("g", sub_param)) {
get_arg(sub_param+1, argv[i+1], &i);
/* already handled */
}
else {
erts_ets_realloc_always_moves = 1;
}
break;
}
case 'n': /* XXX obsolete */
break;
case 'c':
if (argv[i][2] == 0) { /* -c: documented option */
erts_disable_tolerant_timeofday = 1;
}
#ifdef ERTS_OPCODE_COUNTER_SUPPORT
else if (argv[i][2] == 'i') { /* -ci: undcoumented option*/
count_instructions = 1;
}
#endif
break;
case 'W':
arg = get_arg(argv[i]+2, argv[i+1], &i);
switch (arg[0]) {
case 'i':
erts_error_logger_warnings = am_info;
break;
case 'w':
erts_error_logger_warnings = am_warning;
break;
case 'e': /* The default */
erts_error_logger_warnings = am_error;
default:
erts_fprintf(stderr, "unrecognized warning_map option %s\n", arg);
erts_usage();
}
break;
case 'z': {
char *sub_param = argv[i]+2;
int new_limit;
if (has_prefix("dbbl", sub_param)) {
arg = get_arg(sub_param+4, argv[i+1], &i);
new_limit = atoi(arg);
if (new_limit < 1 || INT_MAX/1024 < new_limit) {
erts_fprintf(stderr, "Invalid dbbl limit: %d\n", new_limit);
erts_usage();
} else {
erts_dist_buf_busy_limit = new_limit*1024;
}
} else {
erts_fprintf(stderr, "bad -z option %s\n", argv[i]);
erts_usage();
}
break;
}
default:
erts_fprintf(stderr, "%s unknown flag %s\n", argv[0], argv[i]);
erts_usage();
}
i++;
}
/* Delayed check of +P flag */
if (erts_proc.max < ERTS_MIN_PROCESSES
|| erts_proc.max > ERTS_MAX_PROCESSES
|| (erts_use_r9_pids_ports
&& erts_proc.max > ERTS_MAX_R9_PROCESSES)) {
erts_fprintf(stderr, "bad number of processes %s\n", Parg);
erts_usage();
}
/* Restart will not reinstall the break handler */
#ifdef __WIN32__
if (ignore_break)
erts_set_ignore_break();
else if (replace_intr)
erts_replace_intr();
else
init_break_handler();
#else
if (ignore_break)
erts_set_ignore_break();
else if (have_break_handler)
init_break_handler();
if (replace_intr)
erts_replace_intr();
#endif
boot_argc = argc - i; /* Number of arguments to init */
boot_argv = &argv[i];
erl_init(ncpu);
load_preloaded();
erts_end_staging_code_ix();
erts_commit_staging_code_ix();
erts_initialized = 1;
erl_first_process_otp("otp_ring0", NULL, 0, boot_argc, boot_argv);
#ifdef ERTS_SMP
erts_start_schedulers();
/* Let system specific code decide what to do with the main thread... */
erts_sys_main_thread(); /* May or may not return! */
#else
erts_thr_set_main_status(1, 1);
#if ERTS_USE_ASYNC_READY_Q
erts_get_scheduler_data()->aux_work_data.async_ready.queue
= erts_get_async_ready_queue(1);
#endif
set_main_stack_size();
process_main();
#endif
}
/*
** Driver unloaded
*/
static void trace_file_finish(void)
{
erts_printf("finish\n");
}
static void print_process_memory(Process *p)
{
ErlHeapFragment* bp = MBUF(p);
erts_printf("==============================\n");
erts_printf("|| Memory info for %T ||\n",p->common.id);
erts_printf("==============================\n");
erts_printf("-- %-*s ---%s-%s-%s-%s--\n",
PTR_SIZE, "PCB", dashes, dashes, dashes, dashes);
if (p->msg.first != NULL) {
ErtsMessage* mp;
erts_printf(" Message Queue:\n");
mp = p->msg.first;
while (mp != NULL) {
erts_printf("| 0x%0*lx | 0x%0*lx |\n",PTR_SIZE,
ERL_MESSAGE_TERM(mp),PTR_SIZE,ERL_MESSAGE_TOKEN(mp));
mp = mp->next;
}
}
if (p->dictionary != NULL) {
int n = ERTS_PD_SIZE(p->dictionary);
Eterm *ptr = ERTS_PD_START(p->dictionary);
erts_printf(" Dictionary: ");
while (n--) erts_printf("0x%0*lx ",PTR_SIZE,(unsigned long)ptr++);
erts_printf("\n");
}
if (p->arity > 0) {
int n = p->arity;
Eterm *ptr = p->arg_reg;
erts_printf(" Argument Registers: ");
while (n--) erts_printf("0x%0*lx ",PTR_SIZE,(unsigned long)*ptr++);
erts_printf("\n");
}
erts_printf(" Trace Token: 0x%0*lx\n",PTR_SIZE,p->seq_trace_token);
erts_printf(" Group Leader: 0x%0*lx\n",PTR_SIZE,p->group_leader);
erts_printf(" Fvalue: 0x%0*lx\n",PTR_SIZE,p->fvalue);
erts_printf(" Ftrace: 0x%0*lx\n",PTR_SIZE,p->ftrace);
erts_printf("+- %-*s -+ 0x%0*lx 0x%0*lx %s-%s-+\n",
PTR_SIZE, "Stack",
PTR_SIZE, (unsigned long)STACK_TOP(p),
PTR_SIZE, (unsigned long)STACK_START(p),
dashes, dashes);
print_untagged_memory(STACK_TOP(p),STACK_START(p));
erts_printf("+- %-*s -+ 0x%0*lx 0x%0*lx 0x%0*lx 0x%0*lx +\n",
PTR_SIZE, "Heap",
PTR_SIZE, (unsigned long)HEAP_START(p),
PTR_SIZE, (unsigned long)HIGH_WATER(p),
PTR_SIZE, (unsigned long)HEAP_TOP(p),
PTR_SIZE, (unsigned long)HEAP_END(p));
print_untagged_memory(HEAP_START(p),HEAP_TOP(p));
if (OLD_HEAP(p)) {
erts_printf("+- %-*s -+ 0x%0*lx 0x%0*lx 0x%0*lx %s-+\n",
PTR_SIZE, "Old Heap",
PTR_SIZE, (unsigned long)OLD_HEAP(p),
PTR_SIZE, (unsigned long)OLD_HTOP(p),
PTR_SIZE, (unsigned long)OLD_HEND(p),
dashes);
print_untagged_memory(OLD_HEAP(p),OLD_HTOP(p));
}
if (bp)
erts_printf("+- %-*s -+-%s-%s-%s-%s-+\n",
PTR_SIZE, "heap fragments",
dashes, dashes, dashes, dashes);
while (bp) {
print_untagged_memory(bp->mem,bp->mem + bp->used_size);
bp = bp->next;
}
}
/*
* print_tagged_memory will print contents of given memory area and
* display it as if it was tagged Erlang terms (which it hopefully
* is). This function knows about forwarding pointers to be able to
* print a heap during garbage collection. erts_printf("%T",val)
* do not know about forwarding pointers though, so it will still
* crash if they are encoutered...
*/
void print_tagged_memory(Eterm *pos, Eterm *end)
{
erts_printf("+-%s-+-%s-+\n",dashes,dashes);
erts_printf("| 0x%0*lx - 0x%0*lx |\n",
PTR_SIZE,(unsigned long)pos,
PTR_SIZE,(unsigned long)(end - 1));
erts_printf("| %-*s | %-*s |\n",PTR_SIZE,"Address",PTR_SIZE,"Contents");
erts_printf("|-%s-|-%s-|\n",dashes,dashes);
while( pos < end ) {
Eterm val = pos[0];
erts_printf("| 0x%0*lx | 0x%0*lx | ",
PTR_SIZE,(unsigned long)pos, PTR_SIZE,(unsigned long)val);
++pos;
if( is_arity_value(val) ) {
erts_printf("Arity(%lu)", arityval(val));
} else if( is_thing(val) ) {
unsigned int ari = thing_arityval(val);
erts_printf("Thing Arity(%u) Tag(%lu)", ari, thing_subtag(val));
while( ari ) {
erts_printf("\n| 0x%0*lx | 0x%0*lx | THING",
PTR_SIZE, (unsigned long)pos,
PTR_SIZE, (unsigned long)*pos);
++pos;
--ari;
}
} else {
switch (primary_tag(val)) {
case TAG_PRIMARY_BOXED:
if (!is_header(*boxed_val(val))) {
erts_printf("Moved -> 0x%0*lx\n",PTR_SIZE,
(unsigned long)*boxed_val(val));
continue;
}
break;
case TAG_PRIMARY_LIST:
if (is_non_value(*list_val(val))) {
erts_printf("Moved -> 0x%0*lx\n",PTR_SIZE,
(unsigned long)*(list_val(val) + 1));
continue;
}
break;
}
erts_printf("%.30T", val);
}
erts_printf("\n");
}
erts_printf("+-%s-+-%s-+\n",dashes,dashes);
}
/*
** Close a port
*/
static void trace_file_stop(ErlDrvData handle)
{
erts_printf("close\n");
}
/*
** Open a port
*/
static ErlDrvData trace_file_start(ErlDrvPort port, char *buff)
{
erts_printf("start\n");
return NULL;
}
void
do_break(void)
{
int i;
#ifdef __WIN32__
char *mode; /* enough for storing "window" */
/* check if we're in console mode and, if so,
halt immediately if break is called */
mode = erts_read_env("ERL_CONSOLE_MODE");
if (mode && strcmp(mode, "window") != 0)
erl_exit(0, "");
erts_free_read_env(mode);
#endif /* __WIN32__ */
erts_printf("\n"
"BREAK: (a)bort (c)ontinue (p)roc info (i)nfo (l)oaded\n"
" (v)ersion (k)ill (D)b-tables (d)istribution\n");
while (1) {
if ((i = sys_get_key(0)) <= 0)
erl_exit(0, "");
switch (i) {
case 'q':
case 'a':
case '*': /*
* The asterisk is an read error on windows,
* where sys_get_key isn't that great in console mode.
* The usual reason for a read error is Ctrl-C. Treat this as
* 'a' to avoid infinite loop.
*/
erl_exit(0, "");
case 'A': /* Halt generating crash dump */
erl_exit(1, "Crash dump requested by user");
case 'c':
return;
case 'p':
process_info(ERTS_PRINT_STDOUT, NULL);
return;
case 'm':
return;
case 'o':
port_info(ERTS_PRINT_STDOUT, NULL);
return;
case 'i':
info(ERTS_PRINT_STDOUT, NULL);
return;
case 'l':
loaded(ERTS_PRINT_STDOUT, NULL);
return;
case 'v':
erts_printf("Erlang (%s) emulator version "
ERLANG_VERSION "\n",
EMULATOR);
erts_printf("Compiled on " ERLANG_COMPILE_DATE "\n");
return;
case 'd':
distribution_info(ERTS_PRINT_STDOUT, NULL);
return;
case 'D':
db_info(ERTS_PRINT_STDOUT, NULL, 1);
return;
case 'k':
process_killer();
return;
#ifdef OPPROF
case 'X':
dump_frequencies();
return;
case 'x':
{
int i;
for (i = 0; i <= HIGHEST_OP; i++) {
if (opc[i].name != NULL) {
erts_printf("%-16s %8d\n", opc[i].name, opc[i].count);
}
}
}
return;
case 'z':
{
int i;
for (i = 0; i <= HIGHEST_OP; i++)
opc[i].count = 0;
}
return;
#endif
#ifdef DEBUG
case 't':
erts_p_slpq();
return;
case 'b':
bin_check();
return;
case 'C':
abort();
#endif
case '\n':
continue;
default:
erts_printf("Eh?\n\n");
}
}
}
