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python3.11/00055-systemtap.patch

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diff -up Python-3.2b2/configure.in.systemtap Python-3.2b2/configure.in
--- Python-3.2b2/configure.in.systemtap 2010-12-13 02:59:39.000000000 -0500
+++ Python-3.2b2/configure.in 2010-12-28 17:01:58.044059433 -0500
@@ -2470,6 +2470,38 @@ if test "$with_valgrind" != no; then
OPT="-DDYNAMIC_ANNOTATIONS_ENABLED=1 $OPT"
fi
+# Check for dtrace support
+AC_MSG_CHECKING(for --with-dtrace)
+AC_ARG_WITH(dtrace,
+ AC_HELP_STRING(--with(out)-dtrace, disable/enable dtrace support))
+
+if test ! -z "$with_dtrace"
+then
+ if dtrace -G -o /dev/null -s $srcdir/Include/pydtrace.d 2>/dev/null
+ then
+ AC_DEFINE(WITH_DTRACE, 1,
+ [Define if you want to compile in Dtrace support])
+ with_dtrace="Sun"
+ DTRACEOBJS="Python/dtrace.o"
+ DTRADEHDRS=""
+ elif dtrace -h -o /dev/null -s $srcdir/Include/pydtrace.d
+ then
+ AC_DEFINE(WITH_DTRACE, 1,
+ [Define if you want to compile in Dtrace support])
+ with_dtrace="Apple"
+ DTRACEOBJS=""
+ DTRADEHDRS="pydtrace.h"
+ else
+ with_dtrace="no"
+ fi
+else
+ with_dtrace="no"
+fi
+
+AC_MSG_RESULT($with_dtrace)
+AC_SUBST(DTRACEOBJS)
+AC_SUBST(DTRACEHDRS)
+
# -I${DLINCLDIR} is added to the compile rule for importdl.o
AC_SUBST(DLINCLDIR)
DLINCLDIR=.
diff -up Python-3.2b2/Include/pydtrace.d.systemtap Python-3.2b2/Include/pydtrace.d
--- Python-3.2b2/Include/pydtrace.d.systemtap 2010-12-28 16:58:41.762936379 -0500
+++ Python-3.2b2/Include/pydtrace.d 2010-12-28 16:58:41.762936379 -0500
@@ -0,0 +1,10 @@
+provider python {
+ probe function__entry(const char *, const char *, int);
+ probe function__return(const char *, const char *, int);
+};
+
+#pragma D attributes Evolving/Evolving/Common provider python provider
+#pragma D attributes Private/Private/Common provider python module
+#pragma D attributes Private/Private/Common provider python function
+#pragma D attributes Evolving/Evolving/Common provider python name
+#pragma D attributes Evolving/Evolving/Common provider python args
diff -up Python-3.2b2/Makefile.pre.in.systemtap Python-3.2b2/Makefile.pre.in
--- Python-3.2b2/Makefile.pre.in.systemtap 2010-12-28 16:58:41.000000000 -0500
+++ Python-3.2b2/Makefile.pre.in 2010-12-28 17:00:58.607310089 -0500
@@ -328,6 +328,7 @@ PYTHON_OBJS= \
Python/formatter_unicode.o \
Python/fileutils.o \
Python/$(DYNLOADFILE) \
+ @DTRACEOBJS@ \
$(LIBOBJS) \
$(MACHDEP_OBJS) \
$(THREADOBJ)
@@ -632,6 +633,18 @@ Objects/typeobject.o: $(srcdir)/Objects/
$(srcdir)/Objects/typeslots.inc: $(srcdir)/Include/typeslots.h $(srcdir)/Objects/typeslots.py
$(PYTHON) $(srcdir)/Objects/typeslots.py < $(srcdir)/Include/typeslots.h > $(srcdir)/Objects/typeslots.inc
+# Only needed with --with-dtrace
+buildinclude:
+ mkdir -p Include
+
+Include/pydtrace.h: buildinclude $(srcdir)/Include/pydtrace.d
+ dtrace -o $@ $(DFLAGS) -C -h -s $(srcdir)/Include/pydtrace.d
+
+Python/ceval.o: Include/pydtrace.h
+
+Python/dtrace.o: buildinclude $(srcdir)/Include/pydtrace.d Python/ceval.o
+ dtrace -o $@ $(DFLAGS) -C -G -s $(srcdir)/Include/pydtrace.d Python/ceval.o
+
############################################################################
# Header files
@@ -1282,7 +1295,7 @@ Python/thread.o: @THREADHEADERS@
.PHONY: frameworkinstall frameworkinstallframework frameworkinstallstructure
.PHONY: frameworkinstallmaclib frameworkinstallapps frameworkinstallunixtools
.PHONY: frameworkaltinstallunixtools recheck autoconf clean clobber distclean
-.PHONY: smelly funny patchcheck
+.PHONY: smelly funny patchcheck buildinclude
.PHONY: gdbhooks
# IF YOU PUT ANYTHING HERE IT WILL GO AWAY
diff -up Python-3.2b2/pyconfig.h.in.systemtap Python-3.2b2/pyconfig.h.in
--- Python-3.2b2/pyconfig.h.in.systemtap 2010-11-20 05:29:12.000000000 -0500
+++ Python-3.2b2/pyconfig.h.in 2010-12-28 16:58:41.765937360 -0500
@@ -1092,6 +1092,9 @@
/* Define if you want documentation strings in extension modules */
#undef WITH_DOC_STRINGS
+/* Define if you want to compile in Dtrace support */
+#undef WITH_DTRACE
+
/* Define if you want to use the new-style (Openstep, Rhapsody, MacOS) dynamic
linker (dyld) instead of the old-style (NextStep) dynamic linker (rld).
Dyld is necessary to support frameworks. */
diff -up Python-3.2b2/Python/ceval.c.systemtap Python-3.2b2/Python/ceval.c
--- Python-3.2b2/Python/ceval.c.systemtap 2010-12-03 15:14:31.000000000 -0500
+++ Python-3.2b2/Python/ceval.c 2010-12-28 16:58:41.768935588 -0500
@@ -18,6 +18,10 @@
#include <ctype.h>
+#ifdef WITH_DTRACE
+#include "pydtrace.h"
+#endif
+
#ifndef WITH_TSC
#define READ_TIMESTAMP(var)
@@ -766,6 +770,70 @@ PyEval_EvalCode(PyObject *co, PyObject *
}
+#ifdef WITH_DTRACE
+struct frame_marker_info
+{
+ char *filename;
+ char *name;
+ int lineno;
+
+ PyObject *utf8_filename;
+ PyObject *utf8_name;
+};
+
+static void
+get_frame_marker_info(PyFrameObject *f, struct frame_marker_info *fmi)
+{
+ fmi->utf8_filename = PyUnicode_AsUTF8String(f->f_code->co_filename);
+ if (fmi->utf8_filename) {
+ fmi->filename = PyBytes_AsString(fmi->utf8_filename);
+ } else {
+ fmi->filename = NULL;
+ /* FIXME: clear the exception? */
+ }
+
+ fmi->utf8_name = PyUnicode_AsUTF8String(f->f_code->co_name);
+ if (fmi->utf8_name) {
+ fmi->name = PyBytes_AsString(fmi->utf8_name);
+ } else {
+ fmi->name = NULL;
+ /* FIXME: clear the exception? */
+ }
+
+ fmi->lineno = PyCode_Addr2Line(f->f_code, f->f_lasti);
+}
+
+static void
+release_frame_marker_info(struct frame_marker_info *fmi)
+{
+ Py_XDECREF(fmi->utf8_filename);
+ Py_XDECREF(fmi->utf8_name);
+}
+
+static void
+dtrace_entry(PyFrameObject *f)
+{
+ struct frame_marker_info fmi;
+ get_frame_marker_info(f, &fmi);
+ PYTHON_FUNCTION_ENTRY(fmi.filename, fmi.name, fmi.lineno);
+ release_frame_marker_info(&fmi);
+}
+
+static void
+dtrace_return(PyFrameObject *f)
+{
+ struct frame_marker_info fmi;
+ get_frame_marker_info(f, &fmi);
+ PYTHON_FUNCTION_RETURN(fmi.filename, fmi.name, fmi.lineno);
+ release_frame_marker_info(&fmi);
+}
+#else
+#define PYTHON_FUNCTION_ENTRY_ENABLED() 0
+#define PYTHON_FUNCTION_RETURN_ENABLED() 0
+#define dtrace_entry(f)
+#define dtrace_return(f)
+#endif
+
/* Interpreter main loop */
PyObject *
@@ -1183,6 +1251,10 @@ PyEval_EvalFrameEx(PyFrameObject *f, int
}
}
+ if (PYTHON_FUNCTION_ENTRY_ENABLED()) {
+ dtrace_entry(f);
+ }
+
co = f->f_code;
names = co->co_names;
consts = co->co_consts;
@@ -3048,6 +3120,9 @@ fast_yield:
/* pop frame */
exit_eval_frame:
+ if (PYTHON_FUNCTION_RETURN_ENABLED()) {
+ dtrace_return(f);
+ }
Py_LeaveRecursiveCall();
tstate->frame = f->f_back;
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