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-rw-r--r--lib/runtime_tools/c_src/Makefile.in83
-rw-r--r--lib/runtime_tools/c_src/dtrace_user.d33
-rw-r--r--lib/runtime_tools/c_src/dyntrace.c127
-rw-r--r--lib/runtime_tools/c_src/trace_ip_drv.c32
4 files changed, 253 insertions, 22 deletions
diff --git a/lib/runtime_tools/c_src/Makefile.in b/lib/runtime_tools/c_src/Makefile.in
index 3d9a7ed69d..754e6ccd78 100644
--- a/lib/runtime_tools/c_src/Makefile.in
+++ b/lib/runtime_tools/c_src/Makefile.in
@@ -1,7 +1,7 @@
#
# %CopyrightBegin%
#
-# Copyright Ericsson AB 1999-2011. All Rights Reserved.
+# Copyright Ericsson AB 1999-2012. All Rights Reserved.
#
# The contents of this file are subject to the Erlang Public License,
# Version 1.1, (the "License"); you may not use this file except in
@@ -21,6 +21,11 @@ include $(ERL_TOP)/make/$(TARGET)/otp.mk
include $(ERL_TOP)/make/$(TARGET)/otp_ded.mk
# ----------------------------------------------------
+# Items from top-level configure
+# ----------------------------------------------------
+DTRACE_ENABLED=@DTRACE_ENABLED@
+DTRACE_ENABLED_2STEP=@DTRACE_ENABLED_2STEP@
+# ----------------------------------------------------
# Application version
# ----------------------------------------------------
include ../vsn.mk
@@ -38,6 +43,8 @@ SHELL = /bin/sh
LIBS = $(DED_LIBS)
LDFLAGS += $(DED_LDFLAGS)
+DTRACE_LIBNAME = dyntrace
+
SYSINCLUDE = $(DED_SYS_INCLUDE)
ifeq ($(findstring vxworks,$(TARGET)),vxworks)
SYSINCLUDE += -I$(ERL_TOP)/erts/etc/vxworks
@@ -45,15 +52,20 @@ endif
TRACE_DRV_INCLUDES = $(SYSINCLUDE)
-ALL_CFLAGS = $(CFLAGS) @DEFS@ $(TYPE_FLAGS) $(TRACE_DRV_INCLUDES)
-
+ALL_CFLAGS = $(CFLAGS) @DEFS@ $(TYPE_FLAGS) $(TRACE_DRV_INCLUDES) \
+ -I$(OBJDIR) -I$(ERL_TOP)/erts/emulator/$(TARGET)
ifeq ($(TYPE),debug)
TYPEMARKER = .debug
-TYPE_FLAGS = -g -DDEBUG @DEBUG_FLAGS@
+TYPE_FLAGS = $(subst -O3,,$(subst -O2,,$(CFLAGS))) -DDEBUG @DEBUG_FLAGS@
+else
+ifeq ($(TYPE),valgrind)
+TYPEMARKER = .valgrind
+TYPE_FLAGS = $(subst -O3,,$(subst -O2,,$(CFLAGS))) -DVALGRIND
else
TYPEMARKER =
-TYPE_FLAGS = -O2
+TYPE_FLAGS = $(CFLAGS)
+endif
endif
ROOTDIR = $(ERL_TOP)/lib
@@ -69,6 +81,16 @@ 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@
+
+ifeq ($(HOST_OS),)
+HOST_OS := $(shell $(ERL_TOP)/erts/autoconf/config.guess)
+endif
+
TRACE_IP_DRV_OBJS = \
$(OBJDIR)/trace_ip_drv.o
@@ -91,7 +113,44 @@ endif
_create_dirs := $(shell mkdir -p $(OBJDIR) $(LIBDIR))
-debug opt: $(SOLIBS)
+debug opt valgrind: $(SOLIBS) $(OBJDIR) $(LIBDIR) $(NIF_LIB)
+
+ifdef DTRACE_ENABLED
+DTRACE_USER_HEADER=$(OBJDIR)/dtrace_user.h
+$(OBJDIR)/dtrace_user.h: ./dtrace_user.d
+ dtrace -h -C $(INCLUDES) \
+ -s ./dtrace_user.d \
+ -o ./dtrace_user.tmp
+ sed -e '/^#define[ ]*ERLANG_[A-Z0-9_]*(.*)/y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/' ./dtrace_user.tmp > $@
+ rm ./dtrace_user.tmp
+else
+DTRACE_USER_HEADER=
+endif
+
+DTRACE_OBJS =
+ifdef DTRACE_ENABLED_2STEP
+DTRACE_OBJS += $(OBJDIR)/dtrace_user.o
+$(OBJDIR)/dtrace_user.o: $(before_DTrace_OBJS) $(OBJDIR)/dtrace_user.h
+ dtrace -G -C \
+ -s ./dtrace_user.d \
+ -o $@ $(before_DTrace_OBJS)
+endif
+
+DYNTRACE_OBJS = $(before_DTrace_OBJS) $(DTRACE_OBJS)
+
+$(OBJDIR):
+ -@mkdir -p $(OBJDIR)
+
+$(LIBDIR):
+ -@mkdir -p $(LIBDIR)
+
+$(OBJDIR)/dyntrace$(TYPEMARKER).o: dyntrace.c $(DTRACE_USER_HEADER)
+ $(INSTALL_DIR) $(OBJDIR)
+ $(CC) -c -o $@ $(ALL_CFLAGS) $<
+
+$(NIF_LIB): $(DYNTRACE_OBJS)
+ $(INSTALL_DIR) $(LIBDIR)
+ $(LD) $(LDFLAGS) -o $@ $^ $(LDLIBS)
$(OBJDIR)/%.o: %.c
$(CC) -c -o $@ $(ALL_CFLAGS) $<
@@ -118,6 +177,12 @@ $(LIBDIR)/trace_file_drv.eld: $(TRACE_FILE_DRV_OBJS)
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 core *~
docs:
@@ -128,8 +193,10 @@ docs:
include $(ERL_TOP)/make/otp_release_targets.mk
release_spec: opt
- $(INSTALL_DIR) $(RELSYSDIR)/priv/lib
- $(INSTALL_PROGRAM) $(SOLIBS) $(RELSYSDIR)/priv/lib
+ $(INSTALL_DIR) "$(RELSYSDIR)/priv/obj"
+ $(INSTALL_DIR) "$(RELSYSDIR)/priv/lib"
+ $(INSTALL_PROGRAM) $(DYNTRACE_OBJS) "$(RELSYSDIR)/priv/obj"
+ $(INSTALL_PROGRAM) $(NIF_LIB) $(SOLIBS) "$(RELSYSDIR)/priv/lib"
release_docs_spec:
diff --git a/lib/runtime_tools/c_src/dtrace_user.d b/lib/runtime_tools/c_src/dtrace_user.d
new file mode 100644
index 0000000000..9e180a3cb2
--- /dev/null
+++ b/lib/runtime_tools/c_src/dtrace_user.d
@@ -0,0 +1,33 @@
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Scott Lystig Fritchie 2011-2012.
+ * All Rights Reserved.
+ *
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * %CopyrightEnd%
+ */
+
+provider erlang {
+ /*
+ * The set of probes for use by Erlang code ... moved from here to
+ * erts/emulator/beam/erlang_dtrace.d until a more portable solution is
+ * found; see erlang_dtrace.d for details.
+ */
+};
+
+#pragma D attributes Evolving/Evolving/Common provider erlang provider
+#pragma D attributes Private/Private/Common provider erlang module
+#pragma D attributes Private/Private/Common provider erlang function
+#pragma D attributes Evolving/Evolving/Common provider erlang name
+#pragma D attributes Evolving/Evolving/Common provider erlang args
diff --git a/lib/runtime_tools/c_src/dyntrace.c b/lib/runtime_tools/c_src/dyntrace.c
new file mode 100644
index 0000000000..eef03afd1c
--- /dev/null
+++ b/lib/runtime_tools/c_src/dyntrace.c
@@ -0,0 +1,127 @@
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Scott Lystig Fritchie 2011-2012. All Rights Reserved.
+ *
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * %CopyrightEnd%
+ */
+
+/*
+ * Purpose: Dynamically loadable NIF library for DTrace
+ */
+
+
+
+#include "erl_nif.h"
+#include "config.h"
+#include "sys.h"
+#include "dtrace-wrapper.h"
+#if defined(USE_DYNAMIC_TRACE) && (defined(USE_DTRACE) || defined(USE_SYSTEMTAP))
+#define HAVE_USE_DTRACE 1
+#endif
+#ifdef HAVE_USE_DTRACE
+#include "dtrace_user.h"
+#endif
+
+void dtrace_nifenv_str(ErlNifEnv *env, char *process_buf);
+void get_string_maybe(ErlNifEnv *env, const ERL_NIF_TERM term, char **ptr, char *buf, int bufsiz);
+#ifdef HAVE_USE_DTRACE
+ERL_NIF_TERM erl_nif_user_trace_s1(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+ERL_NIF_TERM erl_nif_user_trace_i4s4(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+#endif
+
+#ifdef VALGRIND
+ # include <valgrind/memcheck.h>
+#endif
+
+#ifdef __GNUC__
+ # define INLINE __inline__
+#else
+ # define INLINE
+#endif
+
+#define MESSAGE_BUFSIZ 1024
+
+/* NIF interface declarations */
+static int load(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info);
+
+/* The NIFs: */
+static ERL_NIF_TERM available(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+static ERL_NIF_TERM user_trace_s1(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+static ERL_NIF_TERM user_trace_i4s4(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+static ERL_NIF_TERM user_trace_n(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+
+static ErlNifFunc nif_funcs[] = {
+ {"available", 0, available},
+ {"user_trace_s1", 1, user_trace_s1},
+ {"user_trace_i4s4", 9, user_trace_i4s4},
+ {"user_trace_n", 10, user_trace_n}
+};
+
+ERL_NIF_INIT(dyntrace, nif_funcs, load, NULL, NULL, NULL)
+
+static ERL_NIF_TERM atom_true;
+static ERL_NIF_TERM atom_false;
+static ERL_NIF_TERM atom_error;
+static ERL_NIF_TERM atom_not_available;
+static ERL_NIF_TERM atom_badarg;
+static ERL_NIF_TERM atom_ok;
+
+static int load(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info)
+{
+ atom_true = enif_make_atom(env,"true");
+ atom_false = enif_make_atom(env,"false");
+ atom_error = enif_make_atom(env,"error");
+ atom_not_available = enif_make_atom(env,"not_available");
+ atom_badarg = enif_make_atom(env,"badarg");
+ atom_ok = enif_make_atom(env,"ok");
+
+ return 0;
+}
+
+static ERL_NIF_TERM available(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{
+#ifdef HAVE_USE_DTRACE
+ return atom_true;
+#else
+ return atom_false;
+#endif
+}
+
+static ERL_NIF_TERM user_trace_s1(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{
+#ifdef HAVE_USE_DTRACE
+ return erl_nif_user_trace_s1(env, argc, argv);
+#else
+ return atom_error;
+#endif
+}
+
+static ERL_NIF_TERM user_trace_i4s4(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{
+#ifdef HAVE_USE_DTRACE
+ return erl_nif_user_trace_i4s4(env, argc, argv);
+#else
+ return atom_error;
+#endif
+}
+
+static ERL_NIF_TERM user_trace_n(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{
+#ifdef HAVE_USE_DTRACE
+ return erl_nif_user_trace_n(env, argc, argv);
+#else
+ return atom_error;
+#endif
+}
diff --git a/lib/runtime_tools/c_src/trace_ip_drv.c b/lib/runtime_tools/c_src/trace_ip_drv.c
index 5396b8afa9..6b77128761 100644
--- a/lib/runtime_tools/c_src/trace_ip_drv.c
+++ b/lib/runtime_tools/c_src/trace_ip_drv.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1999-2011. All Rights Reserved.
+ * Copyright Ericsson AB 1999-2012. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -212,11 +212,11 @@ static TraceIpData *lookup_data_by_port(int portno);
static int set_nonblocking(SOCKET sock);
static TraceIpMessage *make_buffer(int datasiz, unsigned char op,
unsigned number);
-static void enque_message(TraceIpData *data, unsigned char *buff, int bufflen,
+static void enque_message(TraceIpData *data, char *buff, int bufflen,
int byteswritten);
static void clean_que(TraceIpData *data);
static void close_client(TraceIpData *data);
-static int trywrite(TraceIpData *data, unsigned char *buff, int bufflen);
+static int trywrite(TraceIpData *data, char *buff, int bufflen);
static SOCKET my_accept(SOCKET sock);
static void close_unlink_port(TraceIpData *data);
enum MySelectOp { SELECT_ON, SELECT_OFF, SELECT_CLOSE };
@@ -518,7 +518,7 @@ static void trace_ip_ready_output(ErlDrvData handle, ErlDrvEvent fd)
tim = data->que[data->questart];
towrite = tim->siz - tim->written;
while((res = write_until_done(data->fd,
- tim->bin + tim->written, towrite))
+ (char *)tim->bin + tim->written, towrite))
== towrite) {
driver_free(tim);
data->que[data->questart] = NULL;
@@ -561,7 +561,7 @@ static ErlDrvSSizeT trace_ip_control(ErlDrvData handle,
TraceIpData *data = (TraceIpData *) handle;
ErlDrvBinary *b = my_alloc_binary(3);
b->orig_bytes[0] = '\0'; /* OK */
- put_be16(data->listen_portno, &(b->orig_bytes[1]));
+ put_be16(data->listen_portno, (unsigned char *)&(b->orig_bytes[1]));
*res = void_ptr = b;
return 0;
}
@@ -590,8 +590,8 @@ static void *my_alloc(size_t size)
void *ret;
if ((ret = driver_alloc(size)) == NULL) {
/* May or may not work... */
- fprintf(stderr, "Could not allocate %d bytes of memory in %s.",
- (int) size, __FILE__);
+ fprintf(stderr, "Could not allocate %lu bytes of memory in %s.",
+ (unsigned long) size, __FILE__);
exit(1);
}
return ret;
@@ -605,8 +605,8 @@ static ErlDrvBinary *my_alloc_binary(int size)
ErlDrvBinary *ret;
if ((ret = driver_alloc_binary(size)) == NULL) {
/* May or may not work... */
- fprintf(stderr, "Could not allocate a binary of %d bytes in %s.",
- (int) size, __FILE__);
+ fprintf(stderr, "Could not allocate a binary of %lu bytes in %s.",
+ (unsigned long) size, __FILE__);
exit(1);
}
return ret;
@@ -696,7 +696,7 @@ static TraceIpMessage *make_buffer(int datasiz, unsigned char op,
** Add message to que, discarding in a politically correct way...
** The FLAG_DROP_OLDEST is currently ingored...
*/
-static void enque_message(TraceIpData *data, unsigned char *buff, int bufflen,
+static void enque_message(TraceIpData *data, char *buff, int bufflen,
int byteswritten)
{
int diff = data->questop - data->questart;
@@ -763,13 +763,13 @@ static void close_client(TraceIpData *data)
** Try to write a message from erlang directly (only called when que is empty
** and client is connected)
*/
-static int trywrite(TraceIpData *data, unsigned char *buff, int bufflen)
+static int trywrite(TraceIpData *data, char *buff, int bufflen)
{
- unsigned char op[5];
+ char op[5];
int res;
op[0] = OP_BINARY;
- put_be32(bufflen, op + 1);
+ put_be32(bufflen, (unsigned char *)op + 1);
if ((res = write_until_done(data->fd, op, 5)) < 0) {
close_client(data);
@@ -793,7 +793,11 @@ static int trywrite(TraceIpData *data, unsigned char *buff, int bufflen)
static SOCKET my_accept(SOCKET sock)
{
struct sockaddr_in sin;
- int sin_size = sizeof(sin);
+#ifdef HAVE_SOCKLEN_T
+ socklen_t sin_size = sizeof(sin);
+#else
+ int sin_size = (int) sizeof(sin);
+#endif
return accept(sock, (struct sockaddr *) &sin, &sin_size);
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-29 10:04:44 +0000