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Diffstat (limited to 'lib/runtime_tools/c_src/dyntrace.c')
-rw-r--r--lib/runtime_tools/c_src/dyntrace.c55
1 files changed, 3 insertions, 52 deletions
diff --git a/lib/runtime_tools/c_src/dyntrace.c b/lib/runtime_tools/c_src/dyntrace.c
index 3d940ecd54..0178d95efb 100644
--- a/lib/runtime_tools/c_src/dyntrace.c
+++ b/lib/runtime_tools/c_src/dyntrace.c
@@ -128,6 +128,7 @@ static ERL_NIF_TERM atom_badarg;
static ERL_NIF_TERM atom_ok;
static ERL_NIF_TERM atom_trace;
+static ERL_NIF_TERM atom_seq_trace;
static ERL_NIF_TERM atom_remove;
static ERL_NIF_TERM atom_discard;
@@ -191,6 +192,7 @@ static int load(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info)
atom_ok = enif_make_atom(env,"ok");
atom_trace = enif_make_atom(env,"trace");
+ atom_seq_trace = enif_make_atom(env,"seq_trace");
atom_remove = enif_make_atom(env,"remove");
atom_discard = enif_make_atom(env,"discard");
@@ -285,19 +287,8 @@ static ERL_NIF_TERM user_trace_n(ErlNifEnv* env, int argc, const ERL_NIF_TERM ar
static ERL_NIF_TERM enabled(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[])
{
-#ifdef HAVE_USE_DTRACE
- ErlNifPid to;
+#ifdef HAVE_USE_LTTNG
ASSERT(argc == 3);
- /* Only generate trace events when probe is enabled */
- if (argv[0] == atom_seq_trace) {
- if (!erlang_trace_seq_enabled())
- return atom_discard;
- } else if (!erlang_trace_enabled()) {
- return atom_discard;
- }
-
- return atom_trace;
-#elif HAVE_USE_LTTNG
return atom_trace;
#endif
return atom_remove;
@@ -305,46 +296,6 @@ static ERL_NIF_TERM enabled(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[])
static ERL_NIF_TERM trace(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{
-#ifdef HAVE_USE_DTRACE
- size_t sz = BUFF_SIZE;
- char buff[BUFF_SIZE];
- ASSERT(argc == 6);
-
- if (argv[0] == atom_seq_trace) {
- if (erlang_trace_seq_enabled()) {
- char *label = buff,
- *seq_info = buff + BUFF_SIZE/4;
- erts_snprintf(label, 1*BUFF_SIZE/4, "%T", argv[2]);
- erts_snprintf(seq_info, 3*BUFF_SIZE/4, "%T", argv[3]);
- erlang_trace_seq(label, seq_info);
- }
- } else {
- char *event, p[DTRACE_TERM_BUF_SIZE], state, arg1, arg2, arg3;
-
- event = buff + BUFF_SIZE - sz;
- sz -= enif_get_atom(env, argv[0], event, sz, ERL_NIF_LATIN1);
-
- state = buff + BUFF_SIZE - sz;
- sz -= erts_snprintf(state, sz, "%T", argv[1]);
-
- if (enif_is_pid(argv[2]) || enif_is_port(argv[2]))
- dtrace_pid_str(argv[2], p);
- else
- p = NULL;
-
- arg1 = buff + BUFF_SIZE - sz;
- sz -= erts_snprintf(arg1, sz, "%T", argv[3]);
-
- if (argc == 6) {
- arg2 = buff + BUFF_SIZE - sz;
- sz -= erts_snprintf(arg2, sz, "%T", argv[4]);
- } else
- args2 = NULL;
-
- erlang_trace(p, event, state, arg1, arg2);
-
- }
-#endif
return atom_ok;
}