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-rw-r--r--erts/emulator/beam/beam_emu.c71
-rw-r--r--erts/emulator/beam/erlang_dtrace.d14
2 files changed, 53 insertions, 32 deletions
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index 69a3d7e81a..8b4f067b98 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -1057,14 +1057,24 @@ init_emulator(void)
#ifdef USE_VM_CALL_PROBES
-#define DTRACE_CALL(p, m, f, a) \
- if (DTRACE_ENABLED(function_entry)) { \
- DTRACE_CHARBUF(process_name, DTRACE_TERM_BUF_SIZE); \
- DTRACE_CHARBUF(mfa, DTRACE_TERM_BUF_SIZE); \
- int depth = STACK_START(p) - STACK_TOP(p); \
- dtrace_fun_decode(p, m, f, a, \
- process_name, mfa); \
- DTRACE3(function_entry, process_name, mfa, depth); \
+#define DTRACE_LOCAL_CALL(p, m, f, a) \
+ if (DTRACE_ENABLED(local_function_entry)) { \
+ DTRACE_CHARBUF(process_name, DTRACE_TERM_BUF_SIZE); \
+ DTRACE_CHARBUF(mfa, DTRACE_TERM_BUF_SIZE); \
+ int depth = STACK_START(p) - STACK_TOP(p); \
+ dtrace_fun_decode(p, m, f, a, \
+ process_name, mfa); \
+ DTRACE3(local_function_entry, process_name, mfa, depth); \
+ }
+
+#define DTRACE_GLOBAL_CALL(p, m, f, a) \
+ if (DTRACE_ENABLED(global_function_entry)) { \
+ DTRACE_CHARBUF(process_name, DTRACE_TERM_BUF_SIZE); \
+ DTRACE_CHARBUF(mfa, DTRACE_TERM_BUF_SIZE); \
+ int depth = STACK_START(p) - STACK_TOP(p); \
+ dtrace_fun_decode(p, m, f, a, \
+ process_name, mfa); \
+ DTRACE3(global_function_entry, process_name, mfa, depth); \
}
#define DTRACE_RETURN(p, m, f, a) \
@@ -1115,12 +1125,13 @@ init_emulator(void)
#else /* USE_VM_PROBES */
-#define DTRACE_CALL(p, m, f, a) do {} while (0)
-#define DTRACE_RETURN(p, m, f, a) do {} while (0)
-#define DTRACE_BIF_ENTRY(p, m, f, a) do {} while (0)
-#define DTRACE_BIF_RETURN(p, m, f, a) do {} while (0)
-#define DTRACE_NIF_ENTRY(p, m, f, a) do {} while (0)
-#define DTRACE_NIF_RETURN(p, m, f, a) do {} while (0)
+#define DTRACE_LOCAL_CALL(p, m, f, a) do {} while (0)
+#define DTRACE_GLOBAL_CALL(p, m, f, a) do {} while (0)
+#define DTRACE_RETURN(p, m, f, a) do {} while (0)
+#define DTRACE_BIF_ENTRY(p, m, f, a) do {} while (0)
+#define DTRACE_BIF_RETURN(p, m, f, a) do {} while (0)
+#define DTRACE_NIF_ENTRY(p, m, f, a) do {} while (0)
+#define DTRACE_NIF_RETURN(p, m, f, a) do {} while (0)
#endif /* USE_VM_PROBES */
@@ -1506,7 +1517,7 @@ void process_main(void)
/* FALL THROUGH */
OpCase(i_call_only_f): {
SET_I((BeamInstr *) Arg(0));
- DTRACE_CALL(c_p, (Eterm)I[-3], (Eterm)I[-2], I[-1]);
+ DTRACE_LOCAL_CALL(c_p, (Eterm)I[-3], (Eterm)I[-2], I[-1]);
Dispatch();
}
@@ -1518,7 +1529,7 @@ void process_main(void)
RESTORE_CP(E);
E = ADD_BYTE_OFFSET(E, Arg(1));
SET_I((BeamInstr *) Arg(0));
- DTRACE_CALL(c_p, (Eterm)I[-3], (Eterm)I[-2], I[-1]);
+ DTRACE_LOCAL_CALL(c_p, (Eterm)I[-3], (Eterm)I[-2], I[-1]);
Dispatch();
}
@@ -1530,7 +1541,7 @@ void process_main(void)
OpCase(i_call_f): {
SET_CP(c_p, I+2);
SET_I((BeamInstr *) Arg(0));
- DTRACE_CALL(c_p, (Eterm)I[-3], (Eterm)I[-2], I[-1]);
+ DTRACE_LOCAL_CALL(c_p, (Eterm)I[-3], (Eterm)I[-2], I[-1]);
Dispatch();
}
@@ -1548,9 +1559,9 @@ void process_main(void)
* (see lb_call_error_handler below).
*/
#ifdef USE_VM_CALL_PROBES
- if (DTRACE_ENABLED(function_entry)) {
+ if (DTRACE_ENABLED(global_function_entry)) {
BeamInstr* fp = (BeamInstr *) (((Export *) Arg(0))->address);
- DTRACE_CALL(c_p, (Eterm)fp[-3], (Eterm)fp[-2], fp[-1]);
+ DTRACE_GLOBAL_CALL(c_p, (Eterm)fp[-3], (Eterm)fp[-2], fp[-1]);
}
#endif
Dispatchx();
@@ -1563,9 +1574,9 @@ void process_main(void)
OpCase(i_call_ext_e):
SET_CP(c_p, I+2);
#ifdef USE_VM_CALL_PROBES
- if (DTRACE_ENABLED(function_entry)) {
+ if (DTRACE_ENABLED(global_function_entry)) {
BeamInstr* fp = (BeamInstr *) (((Export *) Arg(0))->address);
- DTRACE_CALL(c_p, (Eterm)fp[-3], (Eterm)fp[-2], fp[-1]);
+ DTRACE_GLOBAL_CALL(c_p, (Eterm)fp[-3], (Eterm)fp[-2], fp[-1]);
}
#endif
Dispatchx();
@@ -1576,9 +1587,9 @@ void process_main(void)
/* FALL THROUGH */
OpCase(i_call_ext_only_e):
#ifdef USE_VM_CALL_PROBES
- if (DTRACE_ENABLED(function_entry)) {
+ if (DTRACE_ENABLED(global_function_entry)) {
BeamInstr* fp = (BeamInstr *) (((Export *) Arg(0))->address);
- DTRACE_CALL(c_p, (Eterm)fp[-3], (Eterm)fp[-2], fp[-1]);
+ DTRACE_GLOBAL_CALL(c_p, (Eterm)fp[-3], (Eterm)fp[-2], fp[-1]);
}
#endif
Dispatchx();
@@ -6111,9 +6122,9 @@ apply(Process* p, Eterm module, Eterm function, Eterm args, Eterm* reg)
}
#ifdef USE_VM_CALL_PROBES
- if (DTRACE_ENABLED(function_entry)) {
+ if (DTRACE_ENABLED(global_function_entry)) {
BeamInstr *fptr = (BeamInstr *) ep->address;
- DTRACE_CALL(p, (Eterm)fptr[-3], (Eterm)fptr[-2], (Uint)fptr[-1]);
+ DTRACE_GLOBAL_CALL(p, (Eterm)fptr[-3], (Eterm)fptr[-2], (Uint)fptr[-1]);
}
#endif
return ep->address;
@@ -6166,9 +6177,9 @@ fixed_apply(Process* p, Eterm* reg, Uint arity)
}
#ifdef USE_VM_CALL_PROBES
- if (DTRACE_ENABLED(function_entry)) {
+ if (DTRACE_ENABLED(global_function_entry)) {
BeamInstr *fptr = (BeamInstr *) ep->address;
- DTRACE_CALL(p, (Eterm)fptr[-3], (Eterm)fptr[-2], (Uint)fptr[-1]);
+ DTRACE_GLOBAL_CALL(p, (Eterm)fptr[-3], (Eterm)fptr[-2], (Uint)fptr[-1]);
}
#endif
return ep->address;
@@ -6304,7 +6315,7 @@ call_fun(Process* p, /* Current process. */
actual_arity = (int) code_ptr[-1];
if (actual_arity == arity+num_free) {
- DTRACE_CALL(p, (Eterm)code_ptr[-3],
+ DTRACE_LOCAL_CALL(p, (Eterm)code_ptr[-3],
(Eterm)code_ptr[-2],
code_ptr[-1]);
if (num_free == 0) {
@@ -6399,7 +6410,7 @@ call_fun(Process* p, /* Current process. */
actual_arity = (int) ep->code[2];
if (arity == actual_arity) {
- DTRACE_CALL(p, ep->code[0], ep->code[1], (Uint)ep->code[2]);
+ DTRACE_GLOBAL_CALL(p, ep->code[0], ep->code[1], (Uint)ep->code[2]);
return ep->address;
} else {
/*
@@ -6475,7 +6486,7 @@ call_fun(Process* p, /* Current process. */
reg[1] = function;
reg[2] = args;
}
- DTRACE_CALL(p, module, function, arity);
+ DTRACE_GLOBAL_CALL(p, module, function, arity);
return ep->address;
} else {
badfun:
diff --git a/erts/emulator/beam/erlang_dtrace.d b/erts/emulator/beam/erlang_dtrace.d
index d8508426f4..587e51cb67 100644
--- a/erts/emulator/beam/erlang_dtrace.d
+++ b/erts/emulator/beam/erlang_dtrace.d
@@ -149,13 +149,23 @@ provider erlang {
/* PID, Module, Function, Arity */
/**
- * Fired whenever a user function is being called.
+ * Fired whenever a user function is being called locally.
*
* @param p the PID (string form) of the process
* @param mfa the m:f/a of the function
* @param depth the stack depth
*/
- probe function__entry(char *p, char *mfa, int depth);
+ probe local__function__entry(char *p, char *mfa, int depth);
+
+ /**
+ * Fired whenever a user function is called externally
+ * (through an export entry).
+ *
+ * @param p the PID (string form) of the process
+ * @param mfa the m:f/a of the function
+ * @param depth the stack depth
+ */
+ probe global__function__entry(char *p, char *mfa, int depth);
/**
* Fired whenever a user function returns.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 07:53:04 +0000