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-rw-r--r--erts/emulator/beam/beam_emu.c14
-rw-r--r--erts/etc/unix/etp-commands.in343
2 files changed, 353 insertions, 4 deletions
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index 78ab6fa30f..592cfe273f 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -4326,7 +4326,19 @@ void process_main(void)
flags = Arg(2);
BsGetFieldSize(tmp_arg2, (flags >> 3), ClauseFail(), size);
if (size >= SMALL_BITS) {
- Uint wordsneeded = 1+WSIZE(NBYTES((Uint) size));
+ Uint wordsneeded;
+ /* check bits size before potential gc.
+ * We do not want a gc and then realize we don't need
+ * the allocated space (i.e. if the op fails)
+ *
+ * remember to reacquire the matchbuffer after gc.
+ */
+
+ mb = ms_matchbuffer(tmp_arg1);
+ if (mb->size - mb->offset < size) {
+ ClauseFail();
+ }
+ wordsneeded = 1+WSIZE(NBYTES((Uint) size));
TestHeapPreserve(wordsneeded, Arg(1), tmp_arg1);
}
mb = ms_matchbuffer(tmp_arg1);
diff --git a/erts/etc/unix/etp-commands.in b/erts/etc/unix/etp-commands.in
index 73887931cc..8520d58f47 100644
--- a/erts/etc/unix/etp-commands.in
+++ b/erts/etc/unix/etp-commands.in
@@ -652,7 +652,7 @@ end
define etp-ct-atom-1
# Args: int
#
-# Determines if integer is a atom first character
+# Determines if integer is an atom first character
#
# Non-reentrant
# Returns: $etp_ct_atom
@@ -1278,6 +1278,250 @@ document etpf-stackdump
%---------------------------------------------------------------------------
end
+define etp-heapdump
+# Args: Process*
+#
+# Non-reentrant
+ etp-heapdump-1 ($arg0)->heap ($arg0)->htop
+end
+
+document etp-heapdump
+%---------------------------------------------------------------------------
+% etp-heapdump Process*
+%
+% Take an Process* and print a heapdump for the process heap.
+%---------------------------------------------------------------------------
+end
+
+define etp-heapdump-old
+# Args: Process*
+#
+# Non-reentrant
+ etp-heapdump-1 ($arg0)->old_heap ($arg0)->old_htop
+end
+
+document etp-heapdump
+%---------------------------------------------------------------------------
+% etp-heapdump-old Process*
+%
+% Take an Process* and print a heapdump for the process old heap (gen-heap).
+%---------------------------------------------------------------------------
+end
+
+
+define etp-heapdump-1
+# Args: Eterm* heap, Eterm* htop
+#
+# Non-reentrant
+ set $etp_heapdump_heap = (Eterm*)($arg0)
+ set $etp_heapdump_p = (Eterm*)($arg0)
+ set $etp_heapdump_end = (Eterm*)($arg1)
+ set $etp_heapdump_skips = 0
+ printf "%% heapdump (%u):\n", $etp_heapdump_end-$etp_heapdump_p
+ while $etp_heapdump_p < $etp_heapdump_end
+ set $etp_heapdump_ix = 0
+ printf " %p: ", $etp_heapdump_p
+ while $etp_heapdump_p < $etp_heapdump_end && $etp_heapdump_ix < 8
+ if ($etp_heapdump_skips > 0)
+ printf "| 0x%08x ", ($etp_heapdump_p)
+ set $etp_heapdump_skips--
+ else
+ etp-term-dump $etp_heapdump_p[0]
+ end
+ set $etp_heapdump_p++
+ set $etp_heapdump_ix++
+ end
+ printf "\n"
+ end
+end
+
+
+define etp-term-dump
+# Args: Eterm
+ if (($arg0) & 0x3) == 0
+ etp-term-dump-header ($arg0)
+ else
+ if (($arg0) & 0x3) == 1
+ # Cons pointer
+ set $etp_term_dump_cons_p = ((Eterm*)(($arg0) & ~0x3))
+ if $etp_term_dump_cons_p > $etp_heapdump_heap && $etp_term_dump_cons_p < $etp_heapdump_end
+ printf "| C:0x%08x ", $etp_term_dump_cons_p
+ #printf "| C: --> %5d ", $etp_heapdump_p - $etp_term_dump_cons_p - 1
+ else
+ printf "| C:0x%08x ", $etp_term_dump_cons_p
+ end
+ else
+ if (($arg0) & 0x3) == 2
+ # Box pointer
+ printf "| B:0x%08x ", ($arg0)
+ else
+ if (($arg0) & 0x3) == 3
+ # immediate
+ etp-term-dump-immediate ($arg0)
+ else
+ printf "| U:0x%08x ", ($arg0)
+ end
+ end
+ end
+ end
+end
+
+define etp-term-dump-immediate
+# Args: immediate term
+ if (($arg0) & 0xF) == 0xf
+ # Fixnum
+ etp-ct-printable-1 ((long)((Sint)($arg0)>>4))
+ if $etp_ct_printable
+ if $etp_ct_printable < 0
+ printf "| I: %c (%3ld) ", (long)((Sint)($arg0)>>4), (long)((Sint)($arg0)>>4)
+ else
+ printf "| I: \\%c (%3ld) ", (long)((Sint)($arg0)>>4), (long)((Sint)($arg0)>>4)
+ end
+ else
+ printf "| I:%10ld ", (long)((Sint)($arg0)>>4)
+ end
+ else
+ if (($arg0) & 0xF) == 0x3
+ etp-term-dump-pid ($arg0)
+ else
+ if (($arg0) & 0xF) == 0x7
+ printf "| port:0x%05x ", ($arg0)
+ else
+ # Immediate2 - 0xB
+ if (($arg0) & 0x3f) == 0x0b
+ etp-term-dump-atom ($arg0)
+ else
+ if (($arg0) & 0x3f) == 0x1b
+ printf "| #Catch<%06d> ", ($arg0)>>6
+ else
+ if (($arg0) == $etp_nil)
+ printf "| [] (NIL) "
+ else
+ printf "| I:0x%08x ", ($arg0)
+ end
+ end
+ end
+ end
+ end
+ end
+end
+
+define etp-term-dump-atom
+# Args: atom term
+ set $etp_atom_1_ap = (Atom*)erts_atom_table.seg_table[(Eterm)($arg0)>>16][((Eterm)($arg0)>>6)&0x3FF]
+ set $etp_atom_1_i = ($etp_atom_1_ap)->len
+ set $etp_atom_1_p = ($etp_atom_1_ap)->name
+ set $etp_atom_1_quote = 1
+ set $etp_atom_indent = 13
+
+ if ($etp_atom_1_i < 11)
+ if ($etp_atom_1_i > 0)
+ etp-ct-atom-1 (*$etp_atom_1_p)
+ if $etp_ct_atom
+ set $etp_atom_indent = 13
+ else
+ set $etp_atom_indent = 11
+ end
+ end
+ # perform indentation
+ printf "|"
+ while ($etp_atom_1_i < $etp_atom_indent)
+ printf " "
+ set $etp_atom_1_i++
+ end
+ set $etp_atom_1_i = ($etp_atom_1_ap)->len
+ # Check if atom has to be quoted
+ if ($etp_atom_1_i > 0)
+ etp-ct-atom-1 (*$etp_atom_1_p)
+ if $etp_ct_atom
+ # Atom start character
+ set $etp_atom_1_p++
+ set $etp_atom_1_i--
+ set $etp_atom_1_quote = 0
+ else
+ set $etp_atom_1_i = 0
+ end
+ end
+ while $etp_atom_1_i > 0
+ etp-ct-name-1 (*$etp_atom_1_p)
+ if $etp_ct_name
+ # Name character
+ set $etp_atom_1_p++
+ set $etp_atom_1_i--
+ else
+ set $etp_atom_1_quote = 1
+ set $etp_atom_1_i = 0
+ end
+ end
+ # Print the atom
+ if $etp_atom_1_quote
+ printf "'"
+ end
+ set $etp_atom_1_i = ($etp_atom_1_ap)->len
+ set $etp_atom_1_p = ($etp_atom_1_ap)->name
+ while $etp_atom_1_i > 0
+ etp-char-1 (*$etp_atom_1_p) '\''
+ set $etp_atom_1_p++
+ set $etp_atom_1_i--
+ end
+ if $etp_atom_1_quote
+ printf "'"
+ end
+ printf " "
+ else
+ printf "| A:0x%08x ", ($arg0)
+ end
+end
+
+define etp-term-dump-pid
+# Args: Eterm pid
+#
+# Non-reentrant
+#
+ set $etp_pid_1 = (Eterm)($arg0)
+ if ($etp_pid_1 & 0xF) == 0x3
+ if (etp_arch_bits == 64 && etp_halfword == 0)
+ if (etp_big_endian)
+ set $etp_pid_data = (unsigned) ((((Uint64) $etp_pid_1) >> 36) & 0x0fffffff)
+ else
+ set $etp_pid_data = (unsigned) ((((Uint64) $etp_pid_1) >> 4) & 0x0fffffff)
+ end
+ else
+ set $etp_pid_data = (unsigned) (((((Uint32) $etp_pid_1) >> 4) & ~erts_proc.r.o.pix_mask) | ((((Uint32) $etp_pid_1) >> (erts_proc.r.o.pix_cl_shift + 4)) & erts_proc.r.o.pix_cl_mask) | (((((Uint32) $etp_pid_1) >> 4) & erts_proc.r.o.pix_cli_mask) << erts_proc.r.o.pix_cli_shift))
+ end
+ # Internal pid
+ printf "| <0.%04u.%03u> ", $etp_pid_data & 0x7fff, ($etp_pid_data >> 15) & 0x1fff
+ else
+ printf "| #NotPid<%#x> ", ($arg0)
+ end
+end
+
+define etp-term-dump-header
+# Args: Header term
+ if (($arg0) & 0x3f) == 0
+ printf "| H:%4d-tuple ", ($arg0) >> 6
+ else
+ set $etp_heapdump_skips = ($arg0) >> 6
+ if ((($arg0) & 0x3f) == 0x18)
+ printf "| H: float %3d ", ($arg0) >> 6
+ else
+ if ((($arg0) & 0x3f) == 0x28)
+ # sub-binary
+ printf "| H: sub-bin "
+ else
+ if ((($arg0) & 0x3f) == 0x8)
+ # pos-bignum
+ printf "| H:bignum %3u ", ($arg0) >> 6
+ else
+ printf "| header %5d ", ($arg0) >> 6
+ end
+ end
+ end
+ end
+end
+
+
+
define etp-pid2pix-1
# Args: Eterm
#
@@ -1445,7 +1689,7 @@ define etp-process-info
# Args: Process*
#
printf " Pid: "
- etp-1 $arg0->common.id
+ etp-1 ($arg0)->common.id
printf "\n State: "
etp-proc-state $arg0
if $proxy_process != 0
@@ -1523,11 +1767,104 @@ end
document etp-processes
%---------------------------------------------------------------------------
% etp-processes
-%
+%
% Print misc info about all processes
%---------------------------------------------------------------------------
end
+define etp-processes-memory
+ if (!erts_initialized)
+ printf "No processes, since system isn't initialized!\n"
+ else
+ set $proc_ix = 0
+ printf "--- (%ld processes in wheel)\n", erts_proc.r.o.max
+ while $proc_ix < erts_proc.r.o.max
+ set $proc = (Process *) *((UWord *) &erts_proc.r.o.tab[$proc_ix])
+ if ($proc != ((Process *) 0) && $proc != &erts_invalid_process)
+ etp-process-memory-info $proc
+ end
+ set $proc_ix++
+ end
+ printf "---\n",
+ end
+end
+
+document etp-processes-memory
+%---------------------------------------------------------------------------
+% etp-processes-memory
+%
+% Print memory info about all processes
+%---------------------------------------------------------------------------
+end
+
+define etp-process-memory-info
+# Args: Process*
+#
+ if ((*(((Uint32 *) &(((Process *) $arg0)->state)))) & 0x400000)
+ set $proxy_process = 1
+ else
+ set $proxy_process = 0
+ end
+ printf " "
+ etp-1 $arg0->common.id
+ printf ": (Process *) %p ", $arg0
+ if $proxy_process != 0
+ printf "(Process *) %p ", $arg0
+ printf " *** PROXY process struct *** refer to next: \n"
+ etp-pid2proc-1 $arg0->common.id
+ printf " -"
+ etp-process-memory-info $proc
+ else
+ printf " [Heap: %5ld", $arg0->heap_sz
+ if ($arg0->old_heap)
+ printf " | %5ld", $arg0->old_hend - $arg0->old_heap
+ else
+ printf " | none "
+ end
+ printf "] [Mbuf: %5ld", $arg0->mbuf_sz
+ if (etp_smp_compiled)
+ printf " | %3ld (%3ld | %3ld)", ($arg0->msg.len + $arg0->msg_inq.len), $arg0->msg.len, $arg0->msg_inq.len
+ else
+ printf " | %3ld", $arg0->msg.len
+ end
+ printf "] "
+ if ($arg0->i)
+ printf " I: "
+ etp-cp-1 $arg0->i
+ printf " "
+ end
+
+ if ($arg0->current)
+ etp-1 $arg0->current[0]
+ printf ":"
+ etp-1 $arg0->current[1]
+ printf "/%d ", $arg0->current[2]
+ end
+
+ if (*(((Uint32 *) &(((Process *) $arg0)->state))) & 0x4) == 0
+ if ($arg0->common.u.alive.reg)
+ etp-1 $arg0->common.u.alive.reg->name
+ printf " "
+ end
+ end
+
+ if ($arg0->cp)
+ printf " CP: "
+ etp-cp-1 $arg0->cp
+ printf " "
+ end
+ printf "\n"
+ end
+end
+
+document etp-process-memory-info
+%---------------------------------------------------------------------------
+% etp-process-memory-info Process*
+%
+% Print memory info about process
+%---------------------------------------------------------------------------
+end
+
define etp-port-id2pix-1
# Args: Eterm
#