static ERTS_INLINE void
stat_upd_free(ErtsAlcType_t n, Uint size)
{
ErtsAlcType_t t = ERTS_ALC_N2T(n);
ErtsAlcType_t a = ERTS_ALC_T2A(t);
ErtsAlcType_t c = ERTS_ALC_T2C(t);
ASSERT(stats->ap[a]->size >= size);
stats->ap[a]->size -= size;
ASSERT(stats->c[c].size >= size);
stats->c[c].size -= size;
ASSERT(stats->n[n].size >= size);
stats->n[n].size -= size;
ASSERT(stats->tot.size >= size);
stats->tot.size -= size;
ASSERT(stats->ap[a]->blocks > 0);
stats->ap[a]->blocks--;
ASSERT(stats->c[c].blocks > 0);
stats->c[c].blocks--;
ASSERT(stats->n[n].blocks > 0);
stats->n[n].blocks--;
ASSERT(stats->tot.blocks > 0);
stats->tot.blocks--;
}
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;
}
static ERTS_INLINE void
stat_upd_alloc(ErtsAlcType_t n, Uint size)
{
ErtsAlcType_t t = ERTS_ALC_N2T(n);
ErtsAlcType_t a = ERTS_ALC_T2A(t);
ErtsAlcType_t c = ERTS_ALC_T2C(t);
stats->ap[a]->size += size;
if (stats->ap[a]->max_size < stats->ap[a]->size)
stats->ap[a]->max_size = stats->ap[a]->size;
stats->c[c].size += size;
if (stats->c[c].max_size < stats->c[c].size)
stats->c[c].max_size = stats->c[c].size;
stats->n[n].size += size;
if (stats->n[n].max_size < stats->n[n].size)
stats->n[n].max_size = stats->n[n].size;
stats->tot.size += size;
if (stats->tot.max_size < stats->tot.size)
stats->tot.max_size = stats->tot.size;
stats->ap[a]->blocks++;
if (stats->ap[a]->max_blocks < stats->ap[a]->blocks)
stats->ap[a]->max_blocks = stats->ap[a]->blocks;
stats->c[c].blocks++;
if (stats->c[c].max_blocks < stats->c[c].blocks)
stats->c[c].max_blocks = stats->c[c].blocks;
stats->n[n].blocks++;
if (stats->n[n].max_blocks < stats->n[n].blocks)
stats->n[n].max_blocks = stats->n[n].blocks;
stats->tot.blocks++;
if (stats->tot.max_blocks < stats->tot.blocks)
stats->tot.max_blocks = stats->tot.blocks;
}
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;
}
static void dump_memory_map_to_stream(FILE *fp)
{
ErtsAlcType_t n;
MapStatBlock_t *bp;
int lock = !ERTS_IS_CRASH_DUMPING;
if (lock) {
ASSERT(!erts_is_allctr_wrapper_prelocked());
erts_mtx_lock(&instr_mutex);
}
/* Write header */
fprintf(fp,
"{instr_hdr,\n"
" %lu,\n"
" %lu,\n"
" {",
(unsigned long) ERTS_INSTR_VSN,
(unsigned long) MAP_STAT_BLOCK_HEADER_SIZE);
#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);
const char *astr;
if (erts_allctrs_info[a].enabled)
astr = ERTS_ALC_A2AD(a);
else
astr = ERTS_ALC_A2AD(ERTS_ALC_A_SYSTEM);
fprintf(fp,
"%s{%s,%s,%s}%s",
(n == ERTS_ALC_N_MIN) ? "" : " ",
ERTS_ALC_N2TD(n),
astr,
ERTS_ALC_C2CD(c),
(n == ERTS_ALC_N_MAX) ? "" : ",\n");
}
fprintf(fp, "}}.\n");
/* Write memory data */
for (bp = mem_anchor; bp; bp = bp->next) {
if (is_internal_pid(bp->pid))
fprintf(fp,
"{%lu, %lu, %lu, {%lu,%lu,%lu}}.\n",
(UWord) bp->type_no,
(UWord) bp->mem,
(UWord) bp->size,
(UWord) pid_channel_no(bp->pid),
(UWord) pid_number(bp->pid),
(UWord) pid_serial(bp->pid));
else
fprintf(fp,
"{%lu, %lu, %lu, undefined}.\n",
(UWord) bp->type_no,
(UWord) bp->mem,
(UWord) bp->size);
}
if (lock)
erts_mtx_unlock(&instr_mutex);
}
static int
write_trace_header(char *nodename, char *pid, char *hostname)
{
#ifdef DEBUG
byte *startp;
#endif
Uint16 entry_sz;
Uint32 flags, n_len, h_len, p_len, hdr_prolog_len;
int i, no, str_len;
const char *str;
struct {
Uint32 gsec;
Uint32 sec;
Uint32 usec;
} start_time;
sys_gettimeofday(&last_tv);
start_time.gsec = (Uint32) (last_tv.tv_sec / 1000000000);
start_time.sec = (Uint32) (last_tv.tv_sec % 1000000000);
start_time.usec = (Uint32) last_tv.tv_usec;
if (!MAKE_TBUF_SZ(3*UI32_SZ))
return 0;
flags = 0;
#ifdef ARCH_64
flags |= ERTS_MT_64_BIT_FLAG;
#endif
flags |= ERTS_MT_CRR_INFO;
#ifdef ERTS_CAN_TRACK_MALLOC
flags |= ERTS_MT_SEG_CRR_INFO;
#endif
/*
* The following 3 ui32 words *always* have to come
* first in the trace.
*/
PUT_UI32(tracep, ERTS_MT_START_WORD);
PUT_UI32(tracep, ERTS_MT_MAJOR_VSN);
PUT_UI32(tracep, ERTS_MT_MINOR_VSN);
n_len = strlen(nodename);
h_len = strlen(hostname);
p_len = strlen(pid);
hdr_prolog_len = (2*UI32_SZ
+ 3*UI16_SZ
+ 3*UI32_SZ
+ 3*UI8_SZ
+ n_len
+ h_len
+ p_len);
if (!MAKE_TBUF_SZ(hdr_prolog_len))
return 0;
/*
* New stuff can be added at the end the of header prolog
* (EOHP). The reader should skip stuff at the end, that it
* doesn't understand.
*/
#ifdef DEBUG
startp = tracep;
#endif
PUT_UI32(tracep, hdr_prolog_len);
PUT_UI32(tracep, flags);
PUT_UI16(tracep, ERTS_MTRACE_SEGMENT_ID);
PUT_UI16(tracep, ERTS_ALC_A_MAX);
PUT_UI16(tracep, ERTS_ALC_N_MAX);
PUT_UI32(tracep, start_time.gsec);
PUT_UI32(tracep, start_time.sec);
PUT_UI32(tracep, start_time.usec);
PUT_UI8(tracep, (byte) n_len);
memcpy((void *) tracep, (void *) nodename, n_len);
tracep += n_len;
PUT_UI8(tracep, (byte) h_len);
memcpy((void *) tracep, (void *) hostname, h_len);
tracep += h_len;
PUT_UI8(tracep, (byte) p_len);
memcpy((void *) tracep, (void *) pid, p_len);
tracep += p_len;
ASSERT(startp + hdr_prolog_len == tracep);
/*
* EOHP
*/
/*
* All tags from here on should be followed by an Uint16 size
* field containing the total size of the entry.
*
* New stuff can eigther be added at the end of an entry, or
* as a new tagged entry. The reader should skip stuff at the
* end, that it doesn't understand.
*/
for (i = ERTS_ALC_A_MIN; i <= ERTS_ALC_A_MAX; i++) {
Uint16 aflags = 0;
#ifndef ERTS_CAN_TRACK_MALLOC
if (i != ERTS_ALC_A_SYSTEM)
#endif
aflags |= ERTS_MT_ALLCTR_USD_CRR_INFO;
str = ERTS_ALC_A2AD(i);
ASSERT(str);
str_len = strlen(str);
if (str_len >= (1 << 8)) {
disable_trace(1, "Excessively large allocator string", 0);
return 0;
}
entry_sz = UI8_SZ + 3*UI16_SZ + UI8_SZ;
entry_sz += (erts_allctrs_info[i].alloc_util ? 2 : 1)*UI16_SZ;
entry_sz += UI8_SZ + str_len;
if (!MAKE_TBUF_SZ(entry_sz))
return 0;
#ifdef DEBUG
startp = tracep;
#endif
PUT_UI8(tracep, ERTS_MT_ALLOCATOR_HDR_TAG);
PUT_UI16(tracep, entry_sz);
PUT_UI16(tracep, aflags);
PUT_UI16(tracep, (Uint16) i);
PUT_UI8( tracep, (byte) str_len);
memcpy((void *) tracep, (void *) str, str_len);
tracep += str_len;
if (erts_allctrs_info[i].alloc_util) {
PUT_UI8(tracep, 2);
PUT_UI16(tracep, ERTS_MTRACE_SEGMENT_ID);
PUT_UI16(tracep, ERTS_ALC_A_SYSTEM);
}
else {
PUT_UI8(tracep, 1);
switch (i) {
case ERTS_ALC_A_SYSTEM:
PUT_UI16(tracep, ERTS_MTRACE_SEGMENT_ID);
break;
default:
PUT_UI16(tracep, ERTS_MTRACE_SEGMENT_ID);
break;
}
}
ASSERT(startp + entry_sz == tracep);
}
for (i = ERTS_ALC_N_MIN; i <= ERTS_ALC_N_MAX; i++) {
Uint16 nflags = 0;
str = ERTS_ALC_N2TD(i);
ASSERT(str);
str_len = strlen(str);
if (str_len >= (1 << 8)) {
disable_trace(1, "Excessively large type string", 0);
return 0;
}
no = ERTS_ALC_T2A(ERTS_ALC_N2T(i));
if (!erts_allctrs_info[no].enabled)
no = ERTS_ALC_A_SYSTEM;
ASSERT(ERTS_ALC_A_MIN <= no && no <= ERTS_ALC_A_MAX);
entry_sz = UI8_SZ + 3*UI16_SZ + UI8_SZ + str_len + UI16_SZ;
if (!MAKE_TBUF_SZ(entry_sz))
return 0;
#ifdef DEBUG
startp = tracep;
#endif
PUT_UI8(tracep, ERTS_MT_BLOCK_TYPE_HDR_TAG);
PUT_UI16(tracep, entry_sz);
PUT_UI16(tracep, nflags);
PUT_UI16(tracep, (Uint16) i);
PUT_UI8(tracep, (byte) str_len);
memcpy((void *) tracep, (void *) str, str_len);
tracep += str_len;
PUT_UI16(tracep, no);
ASSERT(startp + entry_sz == tracep);
}
entry_sz = UI8_SZ + UI16_SZ;
if (!MAKE_TBUF_SZ(entry_sz))
return 0;
PUT_UI8(tracep, ERTS_MT_END_OF_HDR_TAG);
PUT_UI16(tracep, entry_sz);
return 1;
}
