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-rw-r--r--lib/kernel/doc/src/seq_trace.xml11
-rw-r--r--lib/kernel/src/seq_trace.erl16
-rw-r--r--lib/kernel/test/seq_trace_SUITE.erl3
-rw-r--r--lib/runtime_tools/c_src/Makefile.in69
-rw-r--r--lib/runtime_tools/c_src/trace_file_drv.c13
-rw-r--r--lib/sasl/src/systools_make.erl2
6 files changed, 45 insertions, 69 deletions
diff --git a/lib/kernel/doc/src/seq_trace.xml b/lib/kernel/doc/src/seq_trace.xml
index 1feb3fcb07..5ac199b6a7 100644
--- a/lib/kernel/doc/src/seq_trace.xml
+++ b/lib/kernel/doc/src/seq_trace.xml
@@ -213,9 +213,10 @@ seq_trace:set_token(OldToken), % activate the trace token again
<type name="tracer"/>
<desc>
<p>Sets the system tracer. The system tracer can be either a
- process or port denoted by <c><anno>Tracer</anno></c>. Returns the previous
- value (which can be <c>false</c> if no system tracer is
- active).</p>
+ process, port or <seealso marker="erts:erl_tracer">tracer module</seealso>
+ denoted by <c><anno>Tracer</anno></c>.
+ Returns the previous value (which can be <c>false</c> if no system
+ tracer is active).</p>
<p>Failure: <c>{badarg, Info}}</c> if <c><anno>Pid</anno></c> is not an
existing local pid.</p>
</desc>
@@ -225,7 +226,7 @@ seq_trace:set_token(OldToken), % activate the trace token again
<fsummary>Return the pid() or port() of the current system tracer.</fsummary>
<type name="tracer"/>
<desc>
- <p>Returns the pid or port identifier of the current system
+ <p>Returns the pid, port identifier or tracer module of the current system
tracer or <c>false</c> if no system tracer is activated.</p>
</desc>
</func>
@@ -298,7 +299,7 @@ TimeStamp = {Seconds, Milliseconds, Microseconds}
matches a message in a receive statement, according to the trace
token carried by the received message, empty or not.</p>
<p>On each Erlang node, a process can be set as the <em>system tracer</em>.
- This process receives trace messages each time
+ This process will receive trace messages each time
a message with a trace token is sent or received (if the trace
token flag <c>send</c> or <c>'receive'</c> is set). The system
tracer can then print each trace event, write it to a file, or
diff --git a/lib/kernel/src/seq_trace.erl b/lib/kernel/src/seq_trace.erl
index 01ac024c88..cc0c10909b 100644
--- a/lib/kernel/src/seq_trace.erl
+++ b/lib/kernel/src/seq_trace.erl
@@ -106,14 +106,24 @@ reset_trace() ->
%% reset_trace(Pid) -> % this might be a useful function too
--type tracer() :: (Pid :: pid()) | port() | 'false'.
+-type tracer() :: (Pid :: pid()) | port() |
+ (TracerModule :: {module(), term()}) |
+ 'false'.
-spec set_system_tracer(Tracer) -> OldTracer when
Tracer :: tracer(),
OldTracer :: tracer().
-set_system_tracer(Pid) ->
- erlang:system_flag(sequential_tracer, Pid).
+set_system_tracer({Module, State} = Tracer) ->
+ case erlang:module_loaded(Module) of
+ false ->
+ Module:enabled(trace_status, erlang:self(), State);
+ true ->
+ ok
+ end,
+ erlang:system_flag(sequential_tracer, Tracer);
+set_system_tracer(Tracer) ->
+ erlang:system_flag(sequential_tracer, Tracer).
-spec get_system_tracer() -> Tracer when
Tracer :: tracer().
diff --git a/lib/kernel/test/seq_trace_SUITE.erl b/lib/kernel/test/seq_trace_SUITE.erl
index 0a03503163..000994751f 100644
--- a/lib/kernel/test/seq_trace_SUITE.erl
+++ b/lib/kernel/test/seq_trace_SUITE.erl
@@ -787,7 +787,6 @@ start_tracer() ->
seq_trace:set_system_tracer(Pid),
Pid.
-
set_token_flags([]) ->
ok;
set_token_flags([no_timestamp|Flags]) ->
@@ -836,7 +835,7 @@ check_ts(strict_monotonic_timestamp, Ts) ->
ct:fail({unexpected_timestamp, Ts})
end,
ok.
-
+
start_node(Name, Param) ->
test_server:start_node(Name, slave, [{args, Param}]).
diff --git a/lib/runtime_tools/c_src/Makefile.in b/lib/runtime_tools/c_src/Makefile.in
index 58c12e0d88..70b48daf97 100644
--- a/lib/runtime_tools/c_src/Makefile.in
+++ b/lib/runtime_tools/c_src/Makefile.in
@@ -33,21 +33,18 @@ VSN=$(RUNTIME_TOOLS_VSN)
# be set for that system only.
# ----------------------------------------------------
CC = $(DED_CC)
-CFLAGS = $(DED_CFLAGS)
+CFLAGS = $(DED_CFLAGS) -I./
LD = $(DED_LD)
SHELL = /bin/sh
LIBS = $(DED_LIBS)
LDFLAGS += $(DED_LDFLAGS)
-DTRACE_LIBNAME = dyntrace
+TRACE_LIBNAME = dyntrace trace_file_drv trace_ip_drv
SYSINCLUDE = $(DED_SYS_INCLUDE)
TRACE_DRV_INCLUDES = $(SYSINCLUDE)
-ALL_CFLAGS = $(CFLAGS) @DEFS@ $(TYPE_FLAGS) $(TRACE_DRV_INCLUDES) \
- -I$(OBJDIR) -I$(ERL_TOP)/erts/emulator/$(TARGET)
-
ifeq ($(TYPE),debug)
TYPEMARKER = .debug
TYPE_FLAGS = $(subst -O3,,$(subst -O2,,$(CFLAGS))) -DDEBUG @DEBUG_FLAGS@
@@ -61,6 +58,9 @@ TYPE_FLAGS = $(CFLAGS)
endif
endif
+ALL_CFLAGS = @DEFS@ $(TYPE_FLAGS) $(TRACE_DRV_INCLUDES) \
+ -I$(OBJDIR) -I$(ERL_TOP)/erts/emulator/$(TARGET)
+
ROOTDIR = $(ERL_TOP)/lib
PRIVDIR = ../priv
LIBDIR = $(PRIVDIR)/lib/$(TARGET)
@@ -74,37 +74,16 @@ RELSYSDIR = $(RELEASE_PATH)/lib/runtime_tools-$(VSN)
# ----------------------------------------------------
# Misc Macros
# ----------------------------------------------------
-before_DTrace_OBJS = $(OBJDIR)/dyntrace$(TYPEMARKER).o
-## NIF_MAKEFILE = $(PRIVDIR)/Makefile
-# Higher-level makefiles says that we can only compile on UNIX flavors
-NIF_LIB = $(LIBDIR)/dyntrace$(TYPEMARKER).@DED_EXT@
+TRACE_LIBS = $(foreach LIB, $(TRACE_LIBNAME), $(LIBDIR)/$(LIB)$(TYPEMARKER).@DED_EXT@)
-ifeq ($(HOST_OS),)
-HOST_OS := $(shell $(ERL_TOP)/erts/autoconf/config.guess)
-endif
-
-TRACE_IP_DRV_OBJS = \
- $(OBJDIR)/trace_ip_drv.o
-
-TRACE_FILE_DRV_OBJS = \
- $(OBJDIR)/trace_file_drv.o
-
-ifeq ($(findstring win32,$(TARGET)), win32)
-SOLIBS = $(LIBDIR)/trace_ip_drv.dll $(LIBDIR)/trace_file_drv.dll
-LN=cp
-else
-SOLIBS = $(LIBDIR)/trace_ip_drv.so $(LIBDIR)/trace_file_drv.so
-endif
# ----------------------------------------------------
# Targets
# ----------------------------------------------------
_create_dirs := $(shell mkdir -p $(OBJDIR) $(LIBDIR))
-debug opt valgrind: $(SOLIBS) $(OBJDIR) $(LIBDIR) $(NIF_LIB)
-
-DYNTRACE_OBJS = $(before_DTrace_OBJS)
+debug opt valgrind: $(SOLIBS) $(OBJDIR) $(LIBDIR) $(TRACE_LIBS)
$(OBJDIR):
-@mkdir -p $(OBJDIR)
@@ -112,50 +91,26 @@ $(OBJDIR):
$(LIBDIR):
-@mkdir -p $(LIBDIR)
-$(OBJDIR)/dyntrace$(TYPEMARKER).o: dyntrace.c
- $(V_at)$(INSTALL_DIR) $(OBJDIR)
- $(V_CC) -c -o $@ $(ALL_CFLAGS) $<
-
-$(NIF_LIB): $(DYNTRACE_OBJS)
- $(V_at)$(INSTALL_DIR) $(LIBDIR)
- $(V_LD) $(LDFLAGS) -o $@ $^ $(LDLIBS)
-
-$(OBJDIR)/%.o: %.c
+$(OBJDIR)/%$(TYPEMARKER).o: %.c
$(V_CC) -c -o $@ $(ALL_CFLAGS) $<
-$(LIBDIR)/trace_ip_drv.so: $(TRACE_IP_DRV_OBJS)
- $(V_LD) $(LDFLAGS) -o $@ $^ -lc $(LIBS)
-
-$(LIBDIR)/trace_file_drv.so: $(TRACE_FILE_DRV_OBJS)
- $(V_LD) $(LDFLAGS) -o $@ $^ -lc $(LIBS)
-
-$(LIBDIR)/trace_ip_drv.dll: $(TRACE_IP_DRV_OBJS)
- $(V_LD) $(LDFLAGS) -o $@ $^ $(LIBS)
-$(LIBDIR)/trace_file_drv.dll: $(TRACE_FILE_DRV_OBJS)
+$(LIBDIR)/%$(TYPEMARKER).@DED_EXT@: $(OBJDIR)/%$(TYPEMARKER).o
$(V_LD) $(LDFLAGS) -o $@ $^ $(LIBS)
clean:
- rm -f $(SOLIBS) $(TRACE_IP_DRV_OBJS) $(TRACE_FILE_DRV_OBJS)
- rm -f $(LIBDIR)/dyntrace.@DED_EXT@
- rm -f $(LIBDIR)/dyntrace.debug.@DED_EXT@
- rm -f $(LIBDIR)/dyntrace.valgrind.@DED_EXT@
- rm -f $(OBJDIR)/dyntrace.o
- rm -f $(OBJDIR)/dyntrace.debug.o
- rm -f $(OBJDIR)/dyntrace.valgrind.o
+ rm -f $(TRACE_LIBS)
rm -f core *~
docs:
# ----------------------------------------------------
# Release Target
-# ----------------------------------------------------
+# ----------------------------------------------------
include $(ERL_TOP)/make/otp_release_targets.mk
release_spec: opt
- $(INSTALL_DIR) "$(RELSYSDIR)/priv/obj"
$(INSTALL_DIR) "$(RELSYSDIR)/priv/lib"
- $(INSTALL_PROGRAM) $(DYNTRACE_OBJS) "$(RELSYSDIR)/priv/obj"
- $(INSTALL_PROGRAM) $(NIF_LIB) $(SOLIBS) "$(RELSYSDIR)/priv/lib"
+ $(INSTALL_PROGRAM) $(TRACE_LIBS) "$(RELSYSDIR)/priv/lib"
release_docs_spec:
diff --git a/lib/runtime_tools/c_src/trace_file_drv.c b/lib/runtime_tools/c_src/trace_file_drv.c
index 703766c188..e7fd5968c1 100644
--- a/lib/runtime_tools/c_src/trace_file_drv.c
+++ b/lib/runtime_tools/c_src/trace_file_drv.c
@@ -172,6 +172,7 @@ static ErlDrvData trace_file_start(ErlDrvPort port, char *buff);
static void trace_file_stop(ErlDrvData handle);
static void trace_file_output(ErlDrvData handle, char *buff,
ErlDrvSizeT bufflen);
+static void trace_file_outputv(ErlDrvData handle, ErlIOVec *ev);
static void trace_file_finish(void);
static ErlDrvSSizeT trace_file_control(ErlDrvData handle,
unsigned int command,
@@ -214,7 +215,7 @@ ErlDrvEntry trace_file_driver_entry = {
NULL, /* void * that is not used (BC) */
trace_file_control, /* F_PTR control, port_control callback */
trace_file_timeout, /* F_PTR timeout, driver_set_timer callback */
- NULL, /* F_PTR outputv, reserved */
+ trace_file_outputv, /* F_PTR outputv, reserved */
NULL, /* ready_async */
NULL, /* flush */
NULL, /* call */
@@ -363,6 +364,16 @@ static void trace_file_stop(ErlDrvData handle)
/*
** Data sent from erlang to port.
*/
+static void trace_file_outputv(ErlDrvData handle, ErlIOVec *ev)
+{
+ int i;
+ for (i = 0; i < ev->vsize; i++) {
+ if (ev->iov[i].iov_len)
+ trace_file_output(handle, ev->iov[i].iov_base,
+ ev->iov[i].iov_len);
+ }
+}
+
static void trace_file_output(ErlDrvData handle, char *buff,
ErlDrvSizeT bufflen)
{
diff --git a/lib/sasl/src/systools_make.erl b/lib/sasl/src/systools_make.erl
index c23607f8a1..352e4984df 100644
--- a/lib/sasl/src/systools_make.erl
+++ b/lib/sasl/src/systools_make.erl
@@ -1490,7 +1490,7 @@ mandatory_modules() ->
preloaded() ->
%% Sorted
- [erl_prim_loader,erlang,
+ [erl_prim_loader,erl_tracer,erlang,
erts_code_purger,
erts_internal,init,otp_ring0,prim_eval,prim_file,
prim_inet,prim_zip,zlib].
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 21:34:11 +0000