aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--erts/emulator/beam/beam_debug.c16
-rw-r--r--erts/emulator/beam/bif.tab1
-rw-r--r--erts/emulator/test/emulator_bench.spec1
-rw-r--r--erts/emulator/test/erts_debug_SUITE.erl15
-rw-r--r--lib/kernel/src/erts_debug.erl6
5 files changed, 37 insertions, 2 deletions
diff --git a/erts/emulator/beam/beam_debug.c b/erts/emulator/beam/beam_debug.c
index 762c5da9be..4d52435139 100644
--- a/erts/emulator/beam/beam_debug.c
+++ b/erts/emulator/beam/beam_debug.c
@@ -353,6 +353,22 @@ erts_debug_disassemble_1(BIF_ALIST_1)
return TUPLE3(hp, addr, bin, mfa);
}
+BIF_RETTYPE
+erts_debug_interpreter_size_0(BIF_ALIST_0)
+{
+ int i;
+ BeamInstr low, high;
+
+ low = high = (BeamInstr) process_main;
+ for (i = 0; i < NUM_SPECIFIC_OPS; i++) {
+ BeamInstr a = BeamOpCodeAddr(i);
+ if (a > high) {
+ high = a;
+ }
+ }
+ return erts_make_integer(high - low, BIF_P);
+}
+
void
dbg_bt(Process* p, Eterm* sp)
{
diff --git a/erts/emulator/beam/bif.tab b/erts/emulator/beam/bif.tab
index 34a0be4f2d..db9c258cb7 100644
--- a/erts/emulator/beam/bif.tab
+++ b/erts/emulator/beam/bif.tab
@@ -437,6 +437,7 @@ bif erts_debug:set_internal_state/2
bif erts_debug:display/1
bif erts_debug:dist_ext_to_term/2
bif erts_debug:instructions/0
+bif erts_debug:interpreter_size/0
bif erts_debug:dirty_cpu/2
bif erts_debug:dirty_io/2
bif erts_debug:dirty/3
diff --git a/erts/emulator/test/emulator_bench.spec b/erts/emulator/test/emulator_bench.spec
index 2a180b440c..03638bfa23 100644
--- a/erts/emulator/test/emulator_bench.spec
+++ b/erts/emulator/test/emulator_bench.spec
@@ -1,2 +1,3 @@
{groups,"../emulator_test",estone_SUITE,[estone_bench]}.
{groups,"../emulator_test",binary_SUITE,[iolist_size_benchmarks]}.
+{groups,"../emulator_test",erts_debug_SUITE,[interpreter_size_bench]}.
diff --git a/erts/emulator/test/erts_debug_SUITE.erl b/erts/emulator/test/erts_debug_SUITE.erl
index f39dbedd8f..6798e3bf25 100644
--- a/erts/emulator/test/erts_debug_SUITE.erl
+++ b/erts/emulator/test/erts_debug_SUITE.erl
@@ -20,10 +20,12 @@
-module(erts_debug_SUITE).
-include_lib("common_test/include/ct.hrl").
+-include_lib("common_test/include/ct_event.hrl").
--export([all/0, suite/0,
+-export([all/0, suite/0, groups/0,
test_size/1,flat_size_big/1,df/1,term_type/1,
- instructions/1, stack_check/1, alloc_blocks_size/1]).
+ instructions/1, stack_check/1, alloc_blocks_size/1,
+ interpreter_size_bench/1]).
-export([do_alloc_blocks_size/0]).
@@ -35,6 +37,15 @@ all() ->
[test_size, flat_size_big, df, instructions, term_type,
stack_check, alloc_blocks_size].
+groups() ->
+ [{interpreter_size_bench, [], [interpreter_size_bench]}].
+
+interpreter_size_bench(_Config) ->
+ Size = erts_debug:interpreter_size(),
+ ct_event:notify(#event{name=benchmark_data,
+ data=[{value,Size}]}),
+ {comment,integer_to_list(Size)++" bytes"}.
+
test_size(Config) when is_list(Config) ->
ConsCell1 = id([a|b]),
ConsCell2 = id(ConsCell1),
diff --git a/lib/kernel/src/erts_debug.erl b/lib/kernel/src/erts_debug.erl
index c4d276f9e8..e6a30d0b92 100644
--- a/lib/kernel/src/erts_debug.erl
+++ b/lib/kernel/src/erts_debug.erl
@@ -33,6 +33,7 @@
-export([breakpoint/2, disassemble/1, display/1, dist_ext_to_term/2,
flat_size/1, get_internal_state/1, instructions/0,
+ interpreter_size/0,
map_info/1, same/2, set_internal_state/2,
size_shared/1, copy_shared/1, dirty_cpu/2, dirty_io/2, dirty/3,
lcnt_control/1, lcnt_control/2, lcnt_collect/0, lcnt_clear/0,
@@ -118,6 +119,11 @@ get_internal_state(_) ->
instructions() ->
erlang:nif_error(undef).
+-spec interpreter_size() -> pos_integer().
+
+interpreter_size() ->
+ erlang:nif_error(undef).
+
-spec ic(F) -> Result when
F :: function(),
Result :: term().