コード例 #1
0
static Eterm
info_options(Allctr_t *allctr,
	     char *prefix,
	     fmtfn_t *print_to_p,
	     void *print_to_arg,
	     Uint **hpp,
	     Uint *szp)
{
    GFAllctr_t *gfallctr = (GFAllctr_t *) allctr;
    Eterm res = THE_NON_VALUE;

    if (print_to_p) {
	erts_print(*print_to_p,
		   print_to_arg,
		   "%smbsd: %lu\n"
		   "%sas: gf\n",
		   prefix, gfallctr->max_blk_search,
		   prefix);
    }

    if (hpp || szp) {
	
	if (!atoms_initialized)
	    erts_exit(ERTS_ERROR_EXIT, "%s:%d: Internal error: Atoms not initialized",
		     __FILE__, __LINE__);

	res = NIL;
	add_2tup(hpp, szp, &res, am.as, am.gf);
	add_2tup(hpp, szp, &res,
		 am.mbsd,
		 bld_uint(hpp, szp, gfallctr->max_blk_search));
    }

    return res;
}
コード例 #2
0
ファイル: erl_instrument.c プロジェクト: Bufias/otp
Eterm
erts_instr_get_stat(Process *proc, Eterm what, int begin_max_period)
{
    int i, len, max, min, allctr;
    Eterm *names, *values, res;
    Uint arr_size, stat_size, hsz, *hszp, *hp, **hpp;
    Stat_t *stat_src, *stat;

    if (!erts_instr_stat)
	return am_false;

    if (!atoms_initialized)
	init_atoms();

    if (what == am.total) {
	min		= 0;
	max		= 0;
	allctr		= 0;
	stat_size	= sizeof(Stat_t);
	stat_src	= &stats->tot;
	if (!am_tot)
	    init_am_tot();
	names		= am_tot;
    }
    else if (what == am.allocators) {
	min		= ERTS_ALC_A_MIN;
	max		= ERTS_ALC_A_MAX;
	allctr		= 1;
	stat_size	= sizeof(Stat_t)*(ERTS_ALC_A_MAX+1);
	stat_src	= stats->a;
	if (!am_a)
	    init_am_a();
	names		= am_a;
    }
    else if (what == am.classes) {
	min		= ERTS_ALC_C_MIN;
	max		= ERTS_ALC_C_MAX;
	allctr		= 0;
	stat_size	= sizeof(Stat_t)*(ERTS_ALC_C_MAX+1);
	stat_src	= stats->c;
	if (!am_c)
	    init_am_c();
	names		= &am_c[ERTS_ALC_C_MIN];
    }
    else if (what == am.types) {
	min		= ERTS_ALC_N_MIN;
	max		= ERTS_ALC_N_MAX;
	allctr		= 0;
	stat_size	= sizeof(Stat_t)*(ERTS_ALC_N_MAX+1);
	stat_src	= stats->n;
	if (!am_n)
	    init_am_n();
	names		= &am_n[ERTS_ALC_N_MIN];
    }
    else {
	return THE_NON_VALUE;
    }

    stat = (Stat_t *) erts_alloc(ERTS_ALC_T_TMP, stat_size);

    arr_size = (max - min + 1)*sizeof(Eterm);

    if (allctr)
	names = (Eterm *) erts_alloc(ERTS_ALC_T_TMP, arr_size);

    values = (Eterm *) erts_alloc(ERTS_ALC_T_TMP, arr_size);

    erts_mtx_lock(&instr_mutex);

    update_max_ever_values(stat_src, min, max);

    sys_memcpy((void *) stat, (void *) stat_src, stat_size);

    if (begin_max_period)
	begin_new_max_period(stat_src, min, max);

    erts_mtx_unlock(&instr_mutex);

    hsz = 0;
    hszp = &hsz;
    hpp = NULL;

 restart_bld:

    len = 0;
    for (i = min; i <= max; i++) {
	if (!allctr || erts_allctrs_info[i].enabled) {
	    Eterm s[2];

	    if (allctr)
		names[len] = am_a[i];
	    
	    s[0] = bld_tuple(hpp, hszp, 4,
			     am.sizes,
			     bld_uint(hpp, hszp, stat[i].size),
			     bld_uint(hpp, hszp, stat[i].max_size),
			     bld_uint(hpp, hszp, stat[i].max_size_ever));

	    s[1] = bld_tuple(hpp, hszp, 4,
			     am.blocks,
			     bld_uint(hpp, hszp, stat[i].blocks),
			     bld_uint(hpp, hszp, stat[i].max_blocks),
			     bld_uint(hpp, hszp, stat[i].max_blocks_ever));

	    values[len] = bld_list(hpp, hszp, 2, s);
	    
	    len++;
	}
    }

    res = bld_2tup_list(hpp, hszp, len, names, values);

    if (!hpp) {
	hp = HAlloc(proc, hsz);
	hszp = NULL;
	hpp = &hp;
	goto restart_bld;
    }

    erts_free(ERTS_ALC_T_TMP, (void *) stat);
    erts_free(ERTS_ALC_T_TMP, (void *) values);
    if (allctr)
	erts_free(ERTS_ALC_T_TMP, (void *) names);

    return res;
}