コード例 #1
0
ファイル: erl_instrument.c プロジェクト: system/erlang-otp
Eterm
erts_instr_get_type_info(Process *proc)
{
    Eterm res, *tpls;
    Uint hsz, *hszp, *hp, **hpp;
    ErtsAlcType_t n;

    if (!am_n)
	init_am_n();
    if (!am_a)
	init_am_a();
    if (!am_c)
	init_am_c();

    tpls = (Eterm *) erts_alloc(ERTS_ALC_T_TMP,
				(ERTS_ALC_N_MAX-ERTS_ALC_N_MIN+1)
				* sizeof(Eterm));
    hsz = 0;
    hszp = &hsz;
    hpp = NULL;

 restart_bld:

#if ERTS_ALC_N_MIN != 1
#error ERTS_ALC_N_MIN is not 1
#endif

    for (n = ERTS_ALC_N_MIN; n <= ERTS_ALC_N_MAX; n++) {
	ErtsAlcType_t t = ERTS_ALC_N2T(n);
	ErtsAlcType_t a = ERTS_ALC_T2A(t);
	ErtsAlcType_t c = ERTS_ALC_T2C(t);

	if (!erts_allctrs_info[a].enabled)
	    a = ERTS_ALC_A_SYSTEM;

	tpls[n - ERTS_ALC_N_MIN]
	    = bld_tuple(hpp, hszp, 3, am_n[n], am_a[a], am_c[c]);
    }

    res = bld_tuplev(hpp, hszp, ERTS_ALC_N_MAX-ERTS_ALC_N_MIN+1, tpls);
    
    if (!hpp) {
	hp = HAlloc(proc, hsz);
	hszp = NULL;
	hpp = &hp;
	goto restart_bld;
    }

    erts_free(ERTS_ALC_T_TMP, tpls);

    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;
}
コード例 #3
0
ファイル: erl_instrument.c プロジェクト: Bufias/otp
Eterm erts_instr_get_memory_map(Process *proc)
{
    MapStatBlock_t *org_mem_anchor;
    Eterm hdr_tuple, md_list, res;
    Eterm *hp;
    Uint hsz;
    MapStatBlock_t *bp;
#ifdef DEBUG
    Eterm *end_hp;
#endif
    
    if (!erts_instr_memory_map)
	return am_false;

    if (!atoms_initialized)
	init_atoms();
    if (!am_n)
	init_am_n();
    if (!am_c)
	init_am_c();
    if (!am_a)
	init_am_a();

    erts_mtx_lock(&instr_x_mutex);
    erts_mtx_lock(&instr_mutex);

    /* Header size */
    hsz = 5 + 1 + (ERTS_ALC_N_MAX+1-ERTS_ALC_N_MIN)*(1 + 4);

    /* Memory data list */
    for (bp = mem_anchor; bp; bp = bp->next) {
	if (is_internal_pid(bp->pid)) {
#if (_PID_NUM_SIZE - 1 > MAX_SMALL)
	    if (internal_pid_number(bp->pid) > MAX_SMALL)
		hsz += BIG_UINT_HEAP_SIZE;
#endif
#if (_PID_SER_SIZE - 1 > MAX_SMALL)
	    if (internal_pid_serial(bp->pid) > MAX_SMALL)
		hsz += BIG_UINT_HEAP_SIZE;
#endif
	    hsz += 4;
	}

	if ((UWord) bp->mem > MAX_SMALL)
	    hsz += BIG_UINT_HEAP_SIZE;
	if (bp->size > MAX_SMALL)
	    hsz += BIG_UINT_HEAP_SIZE;

	hsz += 5 + 2;
    }

    hsz += 3; /* Root tuple */

    org_mem_anchor = mem_anchor;
    mem_anchor = NULL;

    erts_mtx_unlock(&instr_mutex);

    hp = HAlloc(proc, hsz); /* May end up calling map_stat_alloc() */

    erts_mtx_lock(&instr_mutex);

#ifdef DEBUG
    end_hp = hp + hsz;
#endif

    {	/* Build header */
	ErtsAlcType_t n;
	Eterm type_map;
	Uint *hp2 = hp;
#ifdef DEBUG
	Uint *hp2_end;
#endif

	hp += (ERTS_ALC_N_MAX + 1 - ERTS_ALC_N_MIN)*4;

#ifdef DEBUG
	hp2_end = hp;
#endif

	type_map = make_tuple(hp);
	*(hp++) = make_arityval(ERTS_ALC_N_MAX + 1 - ERTS_ALC_N_MIN);

	for (n = ERTS_ALC_N_MIN; n <= ERTS_ALC_N_MAX; n++) {
	    ErtsAlcType_t t = ERTS_ALC_N2T(n);
	    ErtsAlcType_t a = ERTS_ALC_T2A(t);
	    ErtsAlcType_t c = ERTS_ALC_T2C(t);

	    if (!erts_allctrs_info[a].enabled)
		a = ERTS_ALC_A_SYSTEM;

	    *(hp++) = TUPLE3(hp2, am_n[n], am_a[a], am_c[c]);
	    hp2 += 4;
	}

	ASSERT(hp2 == hp2_end);

	hdr_tuple = TUPLE4(hp,
			   am.instr_hdr,
			   make_small(ERTS_INSTR_VSN),
			   make_small(MAP_STAT_BLOCK_HEADER_SIZE),
			   type_map);

	hp += 5;
    }

    /* Build memory data list */

    for (md_list = NIL, bp = org_mem_anchor; bp; bp = bp->next) {
	Eterm tuple;
	Eterm type;
	Eterm ptr;
	Eterm size;
	Eterm pid;

	if (is_not_internal_pid(bp->pid))
	    pid = am_undefined;
	else {
	    Eterm c;
	    Eterm n;
	    Eterm s;

#if (ERST_INTERNAL_CHANNEL_NO > MAX_SMALL)
#error Oversized internal channel number
#endif
	    c = make_small(ERST_INTERNAL_CHANNEL_NO);

#if (_PID_NUM_SIZE - 1 > MAX_SMALL)
	    if (internal_pid_number(bp->pid) > MAX_SMALL) {
		n = uint_to_big(internal_pid_number(bp->pid), hp);
		hp += BIG_UINT_HEAP_SIZE;
	    }
	    else
#endif
		n = make_small(internal_pid_number(bp->pid));

#if (_PID_SER_SIZE - 1 > MAX_SMALL)
	    if (internal_pid_serial(bp->pid) > MAX_SMALL) {
		s = uint_to_big(internal_pid_serial(bp->pid), hp);
		hp += BIG_UINT_HEAP_SIZE;
	    }
	    else
#endif
		s = make_small(internal_pid_serial(bp->pid));
	    pid = TUPLE3(hp, c, n, s);
	    hp += 4;
	}


#if ERTS_ALC_N_MAX > MAX_SMALL
#error Oversized memory type number
#endif
	type = make_small(bp->type_no);

	if ((UWord) bp->mem > MAX_SMALL) {
	    ptr = uint_to_big((UWord) bp->mem, hp);
	    hp += BIG_UINT_HEAP_SIZE;
	}
	else
	    ptr = make_small((UWord) bp->mem);

	if (bp->size > MAX_SMALL) {
	    size = uint_to_big(bp->size, hp);
	    hp += BIG_UINT_HEAP_SIZE;
	}
	else
	    size = make_small(bp->size);

	tuple = TUPLE4(hp, type, ptr, size, pid);
	hp += 5;

	md_list = CONS(hp, tuple, md_list);
	hp += 2;
    }

    res = TUPLE2(hp, hdr_tuple, md_list);
    
    ASSERT(hp + 3 == end_hp);

    if (mem_anchor) {
	for (bp = mem_anchor; bp->next; bp = bp->next)
	    ;
	ASSERT(org_mem_anchor);
	org_mem_anchor->prev = bp; 
	bp->next = org_mem_anchor;
    }
    else {
	mem_anchor = org_mem_anchor;
    }

    erts_mtx_unlock(&instr_mutex);
    erts_mtx_unlock(&instr_x_mutex);

    return res;
}