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perf-tools-add-python-3-support.patch
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File perf-tools-add-python-3-support.patch of Package perf
From: =?UTF-8?q?Jaroslav=20=C5=A0karvada?= <jskarvad@redhat.com> Date: Fri, 19 Jan 2018 21:56:41 +0100 Subject: perf tools: Add Python 3 support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Git-commit: 66dfdff03d196e51322c6a85c0d8db8bb2bdd655 Patch-mainline: v4.17-rc1 References: bsc#1082197 Added Python 3 support while keeping Python 2.7 compatibility. Committer notes: This doesn't make it to auto detect python 3, one has to explicitely ask it to build with python 3 devel files, here are the instructions provided by Jaroslav: --- $ cp -a tools/perf tools/python3-perf $ make V=1 prefix=/usr -C tools/perf PYTHON=/usr/bin/python2 all $ make V=1 prefix=/usr -C tools/python3-perf PYTHON=/usr/bin/python3 all $ make V=1 prefix=/usr -C tools/python3-perf PYTHON=/usr/bin/python3 DESTDIR=%{buildroot} install-python_ext $ make V=1 prefix=/usr -C tools/perf PYTHON=/usr/bin/python2 DESTDIR=%{buildroot} install-python_ext --- We need to make this automatic, just like the existing tests for checking if the python2 devel files are in place, allowing the build with python3 if available, fallbacking to python2 and then just disabling it if none are available. So, using the PYTHON variable to build it using O= we get: Before this patch: $ rpm -q python3 python3-devel python3-3.6.4-7.fc27.x86_64 python3-devel-3.6.4-7.fc27.x86_64 $ rm -rf /tmp/build/perf/ ; mkdir -p /tmp/build/perf ; make O=/tmp/build/perf PYTHON=/usr/bin/python3 -C tools/perf install-bin make: Entering directory '/home/acme/git/linux/tools/perf' <SNIP> Makefile.config:670: Python 3 is not yet supported; please set Makefile.config:671: PYTHON and/or PYTHON_CONFIG appropriately. Makefile.config:672: If you also have Python 2 installed, then Makefile.config:673: try something like: Makefile.config:674: Makefile.config:675: make PYTHON=python2 Makefile.config:676: Makefile.config:677: Otherwise, disable Python support entirely: Makefile.config:678: Makefile.config:679: make NO_LIBPYTHON=1 Makefile.config:680: Makefile.config:681: *** . Stop. make[1]: *** [Makefile.perf:212: sub-make] Error 2 make: *** [Makefile:110: install-bin] Error 2 make: Leaving directory '/home/acme/git/linux/tools/perf' $ After: $ make O=/tmp/build/perf PYTHON=python3 -C tools/perf install-bin $ ldd ~/bin/perf | grep python libpython3.6m.so.1.0 => /lib64/libpython3.6m.so.1.0 (0x00007f58a31e8000) $ rpm -qf /lib64/libpython3.6m.so.1.0 python3-libs-3.6.4-7.fc27.x86_64 $ Now verify that when using the binding the right ELF file is loaded, using perf trace: $ perf trace -e open* perf test python 0.051 ( 0.016 ms): perf/3927 openat(dfd: CWD, filename: /etc/ld.so.cache, flags: CLOEXEC ) = 3 <SNIP> 18: 'import perf' in python : 8.849 ( 0.013 ms): sh/3929 openat(dfd: CWD, filename: /etc/ld.so.cache, flags: CLOEXEC ) = 3 <SNIP> 25.572 ( 0.008 ms): python3/3931 openat(dfd: CWD, filename: /tmp/build/perf/python/perf.cpython-36m-x86_64-linux-gnu.so, flags: CLOEXEC) = 3 <SNIP> Ok <SNIP> $ And using tools/perf/python/twatch.py, to show PERF_RECORD_ metaevents: $ python3 tools/perf/python/twatch.py cpu: 3, pid: 16060, tid: 16060 { type: fork, pid: 5207, ppid: 16060, tid: 5207, ptid: 16060, time: 10798513015459} cpu: 3, pid: 16060, tid: 16060 { type: fork, pid: 5208, ppid: 16060, tid: 5208, ptid: 16060, time: 10798513562503} cpu: 0, pid: 5208, tid: 5208 { type: comm, pid: 5208, tid: 5208, comm: grep } cpu: 2, pid: 5207, tid: 5207 { type: comm, pid: 5207, tid: 5207, comm: ps } cpu: 2, pid: 5207, tid: 5207 { type: exit, pid: 5207, ppid: 5207, tid: 5207, ptid: 5207, time: 10798551337484} cpu: 3, pid: 5208, tid: 5208 { type: exit, pid: 5208, ppid: 5208, tid: 5208, ptid: 5208, time: 10798551292153} cpu: 3, pid: 601, tid: 601 { type: fork, pid: 5209, ppid: 601, tid: 5209, ptid: 601, time: 10801779977324} ^CTraceback (most recent call last): File "tools/perf/python/twatch.py", line 68, in <module> main() File "tools/perf/python/twatch.py", line 40, in main evlist.poll(timeout = -1) KeyboardInterrupt $ # ps ax|grep twatch 5197 pts/8 S+ 0:00 python3 tools/perf/python/twatch.py # ls -la /proc/5197/smaps -r--r--r--. 1 acme acme 0 Feb 19 13:14 /proc/5197/smaps # grep python /proc/5197/smaps 558111307000-558111309000 r-xp 00000000 fd:00 3151710 /usr/bin/python3.6 558111508000-558111509000 r--p 00001000 fd:00 3151710 /usr/bin/python3.6 558111509000-55811150a000 rw-p 00002000 fd:00 3151710 /usr/bin/python3.6 7ffad6fc1000-7ffad7008000 r-xp 00000000 00:2d 220196 /tmp/build/perf/python/perf.cpython-36m-x86_64-linux-gnu.so 7ffad7008000-7ffad7207000 ---p 00047000 00:2d 220196 /tmp/build/perf/python/perf.cpython-36m-x86_64-linux-gnu.so 7ffad7207000-7ffad7208000 r--p 00046000 00:2d 220196 /tmp/build/perf/python/perf.cpython-36m-x86_64-linux-gnu.so 7ffad7208000-7ffad7215000 rw-p 00047000 00:2d 220196 /tmp/build/perf/python/perf.cpython-36m-x86_64-linux-gnu.so 7ffadea77000-7ffaded3d000 r-xp 00000000 fd:00 3151795 /usr/lib64/libpython3.6m.so.1.0 7ffaded3d000-7ffadef3c000 ---p 002c6000 fd:00 3151795 /usr/lib64/libpython3.6m.so.1.0 7ffadef3c000-7ffadef42000 r--p 002c5000 fd:00 3151795 /usr/lib64/libpython3.6m.so.1.0 7ffadef42000-7ffadefa5000 rw-p 002cb000 fd:00 3151795 /usr/lib64/libpython3.6m.so.1.0 # And with this patch, but building normally, without specifying the PYTHON=python3 part, which will make it use python2 if its devel files are available, like in this test: $ make O=/tmp/build/perf -C tools/perf install-bin $ ldd ~/bin/perf | grep python libpython2.7.so.1.0 => /lib64/libpython2.7.so.1.0 (0x00007f6a44410000) $ ldd /tmp/build/perf/python_ext_build/lib/perf.so | grep python libpython2.7.so.1.0 => /lib64/libpython2.7.so.1.0 (0x00007fed28a2c000) $ [acme@jouet perf]$ tools/perf/python/twatch.py cpu: 0, pid: 2817, tid: 2817 { type: fork, pid: 2817, ppid: 2817, tid: 8910, ptid: 2817, time: 11126454335306} cpu: 0, pid: 2817, tid: 2817 { type: comm, pid: 2817, tid: 8910, comm: worker } $ ps ax | grep twatch.py 8909 pts/8 S+ 0:00 /usr/bin/python tools/perf/python/twatch.py $ grep python /proc/8909/smaps 5579de658000-5579de659000 r-xp 00000000 fd:00 3156044 /usr/bin/python2.7 5579de858000-5579de859000 r--p 00000000 fd:00 3156044 /usr/bin/python2.7 5579de859000-5579de85a000 rw-p 00001000 fd:00 3156044 /usr/bin/python2.7 7f0de01f7000-7f0de023e000 r-xp 00000000 00:2d 230695 /tmp/build/perf/python/perf.so 7f0de023e000-7f0de043d000 ---p 00047000 00:2d 230695 /tmp/build/perf/python/perf.so 7f0de043d000-7f0de043e000 r--p 00046000 00:2d 230695 /tmp/build/perf/python/perf.so 7f0de043e000-7f0de044b000 rw-p 00047000 00:2d 230695 /tmp/build/perf/python/perf.so 7f0de6f0f000-7f0de6f13000 r-xp 00000000 fd:00 134975 /usr/lib64/python2.7/lib-dynload/_localemodule.so 7f0de6f13000-7f0de7113000 ---p 00004000 fd:00 134975 /usr/lib64/python2.7/lib-dynload/_localemodule.so 7f0de7113000-7f0de7114000 r--p 00004000 fd:00 134975 /usr/lib64/python2.7/lib-dynload/_localemodule.so 7f0de7114000-7f0de7115000 rw-p 00005000 fd:00 134975 /usr/lib64/python2.7/lib-dynload/_localemodule.so 7f0de7e73000-7f0de8052000 r-xp 00000000 fd:00 3173292 /usr/lib64/libpython2.7.so.1.0 7f0de8052000-7f0de8251000 ---p 001df000 fd:00 3173292 /usr/lib64/libpython2.7.so.1.0 7f0de8251000-7f0de8255000 r--p 001de000 fd:00 3173292 /usr/lib64/libpython2.7.so.1.0 7f0de8255000-7f0de8291000 rw-p 001e2000 fd:00 3173292 /usr/lib64/libpython2.7.so.1.0 $ Signed-off-by: Jaroslav Škarvada <jskarvad@redhat.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> LPU-Reference: 20180119205641.24242-1-jskarvad@redhat.com Link: https://lkml.kernel.org/n/tip-8d7dt9kqp83vsz25hagug8fu@git.kernel.org [ Removed explicit check for python version, allowing it to really build with python3 ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Tony Jones <tonyj@suse.de> --- tools/perf/Makefile.config | 23 +--- tools/perf/Makefile.perf | 4 +- .../perf/scripts/python/Perf-Trace-Util/Context.c | 34 ++++- tools/perf/util/python.c | 95 ++++++++++--- .../util/scripting-engines/trace-event-python.c | 147 +++++++++++++++------ tools/perf/util/setup.py | 6 +- 6 files changed, 221 insertions(+), 88 deletions(-) diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 577a5d2988fe..89cb2a36b8ff 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -668,25 +668,10 @@ else ifneq ($(feature-libpython), 1) $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev) else - ifneq ($(feature-libpython-version), 1) - $(warning Python 3 is not yet supported; please set) - $(warning PYTHON and/or PYTHON_CONFIG appropriately.) - $(warning If you also have Python 2 installed, then) - $(warning try something like:) - $(warning $(and ,)) - $(warning $(and ,) make PYTHON=python2) - $(warning $(and ,)) - $(warning Otherwise, disable Python support entirely:) - $(warning $(and ,)) - $(warning $(and ,) make NO_LIBPYTHON=1) - $(warning $(and ,)) - $(error $(and ,)) - else - LDFLAGS += $(PYTHON_EMBED_LDFLAGS) - EXTLIBS += $(PYTHON_EMBED_LIBADD) - LANG_BINDINGS += $(obj-perf)python/perf.so - $(call detected,CONFIG_LIBPYTHON) - endif + LDFLAGS += $(PYTHON_EMBED_LDFLAGS) + EXTLIBS += $(PYTHON_EMBED_LIBADD) + LANG_BINDINGS += $(obj-perf)python/perf.so + $(call detected,CONFIG_LIBPYTHON) endif endif endif diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 9b0351d3ce34..126ef6e0475c 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -302,7 +302,7 @@ PYTHON_EXTBUILD_LIB := $(PYTHON_EXTBUILD)lib/ PYTHON_EXTBUILD_TMP := $(PYTHON_EXTBUILD)tmp/ export PYTHON_EXTBUILD_LIB PYTHON_EXTBUILD_TMP -python-clean := $(call QUIET_CLEAN, python) $(RM) -r $(PYTHON_EXTBUILD) $(OUTPUT)python/perf.so +python-clean := $(call QUIET_CLEAN, python) $(RM) -r $(PYTHON_EXTBUILD) $(OUTPUT)python/perf*.so PYTHON_EXT_SRCS := $(shell grep -v ^\# util/python-ext-sources) PYTHON_EXT_DEPS := util/python-ext-sources util/setup.py $(LIBTRACEEVENT) $(LIBAPI) @@ -479,7 +479,7 @@ $(OUTPUT)python/perf.so: $(PYTHON_EXT_SRCS) $(PYTHON_EXT_DEPS) $(LIBTRACEEVENT_D $(PYTHON_WORD) util/setup.py \ --quiet build_ext; \ mkdir -p $(OUTPUT)python && \ - cp $(PYTHON_EXTBUILD_LIB)perf.so $(OUTPUT)python/ + cp $(PYTHON_EXTBUILD_LIB)perf*.so $(OUTPUT)python/ please_set_SHELL_PATH_to_a_more_modern_shell: $(Q)$$(:) diff --git a/tools/perf/scripts/python/Perf-Trace-Util/Context.c b/tools/perf/scripts/python/Perf-Trace-Util/Context.c index fcd1dd667906..1a0d27757eec 100644 --- a/tools/perf/scripts/python/Perf-Trace-Util/Context.c +++ b/tools/perf/scripts/python/Perf-Trace-Util/Context.c @@ -23,7 +23,17 @@ #include "../../../perf.h" #include "../../../util/trace-event.h" +#if PY_MAJOR_VERSION < 3 +#define _PyCapsule_GetPointer(arg1, arg2) \ + PyCObject_AsVoidPtr(arg1) + PyMODINIT_FUNC initperf_trace_context(void); +#else +#define _PyCapsule_GetPointer(arg1, arg2) \ + PyCapsule_GetPointer((arg1), (arg2)) + +PyMODINIT_FUNC PyInit_perf_trace_context(void); +#endif static PyObject *perf_trace_context_common_pc(PyObject *obj, PyObject *args) { @@ -34,7 +44,7 @@ static PyObject *perf_trace_context_common_pc(PyObject *obj, PyObject *args) if (!PyArg_ParseTuple(args, "O", &context)) return NULL; - scripting_context = PyCObject_AsVoidPtr(context); + scripting_context = _PyCapsule_GetPointer(context, NULL); retval = common_pc(scripting_context); return Py_BuildValue("i", retval); @@ -50,7 +60,7 @@ static PyObject *perf_trace_context_common_flags(PyObject *obj, if (!PyArg_ParseTuple(args, "O", &context)) return NULL; - scripting_context = PyCObject_AsVoidPtr(context); + scripting_context = _PyCapsule_GetPointer(context, NULL); retval = common_flags(scripting_context); return Py_BuildValue("i", retval); @@ -66,7 +76,7 @@ static PyObject *perf_trace_context_common_lock_depth(PyObject *obj, if (!PyArg_ParseTuple(args, "O", &context)) return NULL; - scripting_context = PyCObject_AsVoidPtr(context); + scripting_context = _PyCapsule_GetPointer(context, NULL); retval = common_lock_depth(scripting_context); return Py_BuildValue("i", retval); @@ -82,7 +92,25 @@ static PyMethodDef ContextMethods[] = { { NULL, NULL, 0, NULL} }; +#if PY_MAJOR_VERSION < 3 PyMODINIT_FUNC initperf_trace_context(void) { (void) Py_InitModule("perf_trace_context", ContextMethods); } +#else +PyMODINIT_FUNC PyInit_perf_trace_context(void) +{ + static struct PyModuleDef moduledef = { + PyModuleDef_HEAD_INIT, + "perf_trace_context", /* m_name */ + "", /* m_doc */ + -1, /* m_size */ + ContextMethods, /* m_methods */ + NULL, /* m_reload */ + NULL, /* m_traverse */ + NULL, /* m_clear */ + NULL, /* m_free */ + }; + return PyModule_Create(&moduledef); +} +#endif diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index b1e999bd21ef..2918cac7a142 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -12,6 +12,30 @@ #include "print_binary.h" #include "thread_map.h" +#if PY_MAJOR_VERSION < 3 +#define _PyUnicode_FromString(arg) \ + PyString_FromString(arg) +#define _PyUnicode_AsString(arg) \ + PyString_AsString(arg) +#define _PyUnicode_FromFormat(...) \ + PyString_FromFormat(__VA_ARGS__) +#define _PyLong_FromLong(arg) \ + PyInt_FromLong(arg) + +#else + +#define _PyUnicode_FromString(arg) \ + PyUnicode_FromString(arg) +#define _PyUnicode_FromFormat(...) \ + PyUnicode_FromFormat(__VA_ARGS__) +#define _PyLong_FromLong(arg) \ + PyLong_FromLong(arg) +#endif + +#ifndef Py_TYPE +#define Py_TYPE(ob) (((PyObject*)(ob))->ob_type) +#endif + /* * Provide these two so that we don't have to link against callchain.c and * start dragging hist.c, etc. @@ -49,7 +73,11 @@ int eprintf(int level, int var, const char *fmt, ...) # define PyVarObject_HEAD_INIT(type, size) PyObject_HEAD_INIT(type) size, #endif +#if PY_MAJOR_VERSION < 3 PyMODINIT_FUNC initperf(void); +#else +PyMODINIT_FUNC PyInit_perf(void); +#endif #define member_def(type, member, ptype, help) \ { #member, ptype, \ @@ -107,7 +135,7 @@ static PyObject *pyrf_mmap_event__repr(struct pyrf_event *pevent) pevent->event.mmap.pgoff, pevent->event.mmap.filename) < 0) { ret = PyErr_NoMemory(); } else { - ret = PyString_FromString(s); + ret = _PyUnicode_FromString(s); free(s); } return ret; @@ -138,7 +166,7 @@ static PyMemberDef pyrf_task_event__members[] = { static PyObject *pyrf_task_event__repr(struct pyrf_event *pevent) { - return PyString_FromFormat("{ type: %s, pid: %u, ppid: %u, tid: %u, " + return _PyUnicode_FromFormat("{ type: %s, pid: %u, ppid: %u, tid: %u, " "ptid: %u, time: %" PRIu64 "}", pevent->event.header.type == PERF_RECORD_FORK ? "fork" : "exit", pevent->event.fork.pid, @@ -171,7 +199,7 @@ static PyMemberDef pyrf_comm_event__members[] = { static PyObject *pyrf_comm_event__repr(struct pyrf_event *pevent) { - return PyString_FromFormat("{ type: comm, pid: %u, tid: %u, comm: %s }", + return _PyUnicode_FromFormat("{ type: comm, pid: %u, tid: %u, comm: %s }", pevent->event.comm.pid, pevent->event.comm.tid, pevent->event.comm.comm); @@ -202,7 +230,7 @@ static PyObject *pyrf_throttle_event__repr(struct pyrf_event *pevent) { struct throttle_event *te = (struct throttle_event *)(&pevent->event.header + 1); - return PyString_FromFormat("{ type: %sthrottle, time: %" PRIu64 ", id: %" PRIu64 + return _PyUnicode_FromFormat("{ type: %sthrottle, time: %" PRIu64 ", id: %" PRIu64 ", stream_id: %" PRIu64 " }", pevent->event.header.type == PERF_RECORD_THROTTLE ? "" : "un", te->time, te->id, te->stream_id); @@ -237,7 +265,7 @@ static PyObject *pyrf_lost_event__repr(struct pyrf_event *pevent) pevent->event.lost.id, pevent->event.lost.lost) < 0) { ret = PyErr_NoMemory(); } else { - ret = PyString_FromString(s); + ret = _PyUnicode_FromString(s); free(s); } return ret; @@ -264,7 +292,7 @@ static PyMemberDef pyrf_read_event__members[] = { static PyObject *pyrf_read_event__repr(struct pyrf_event *pevent) { - return PyString_FromFormat("{ type: read, pid: %u, tid: %u }", + return _PyUnicode_FromFormat("{ type: read, pid: %u, tid: %u }", pevent->event.read.pid, pevent->event.read.tid); /* @@ -299,7 +327,7 @@ static PyObject *pyrf_sample_event__repr(struct pyrf_event *pevent) if (asprintf(&s, "{ type: sample }") < 0) { ret = PyErr_NoMemory(); } else { - ret = PyString_FromString(s); + ret = _PyUnicode_FromString(s); free(s); } return ret; @@ -330,7 +358,7 @@ tracepoint_field(struct pyrf_event *pe, struct format_field *field) } if (field->flags & FIELD_IS_STRING && is_printable_array(data + offset, len)) { - ret = PyString_FromString((char *)data + offset); + ret = _PyUnicode_FromString((char *)data + offset); } else { ret = PyByteArray_FromStringAndSize((const char *) data + offset, len); field->flags &= ~FIELD_IS_STRING; @@ -352,7 +380,7 @@ tracepoint_field(struct pyrf_event *pe, struct format_field *field) static PyObject* get_tracepoint_field(struct pyrf_event *pevent, PyObject *attr_name) { - const char *str = PyString_AsString(PyObject_Str(attr_name)); + const char *str = _PyUnicode_AsString(PyObject_Str(attr_name)); struct perf_evsel *evsel = pevent->evsel; struct format_field *field; @@ -416,7 +444,7 @@ static PyObject *pyrf_context_switch_event__repr(struct pyrf_event *pevent) !!(pevent->event.header.misc & PERF_RECORD_MISC_SWITCH_OUT)) < 0) { ret = PyErr_NoMemory(); } else { - ret = PyString_FromString(s); + ret = _PyUnicode_FromString(s); free(s); } return ret; @@ -528,7 +556,7 @@ static int pyrf_cpu_map__init(struct pyrf_cpu_map *pcpus, static void pyrf_cpu_map__delete(struct pyrf_cpu_map *pcpus) { cpu_map__put(pcpus->cpus); - pcpus->ob_type->tp_free((PyObject*)pcpus); + Py_TYPE(pcpus)->tp_free((PyObject*)pcpus); } static Py_ssize_t pyrf_cpu_map__length(PyObject *obj) @@ -597,7 +625,7 @@ static int pyrf_thread_map__init(struct pyrf_thread_map *pthreads, static void pyrf_thread_map__delete(struct pyrf_thread_map *pthreads) { thread_map__put(pthreads->threads); - pthreads->ob_type->tp_free((PyObject*)pthreads); + Py_TYPE(pthreads)->tp_free((PyObject*)pthreads); } static Py_ssize_t pyrf_thread_map__length(PyObject *obj) @@ -759,7 +787,7 @@ static int pyrf_evsel__init(struct pyrf_evsel *pevsel, static void pyrf_evsel__delete(struct pyrf_evsel *pevsel) { perf_evsel__exit(&pevsel->evsel); - pevsel->ob_type->tp_free((PyObject*)pevsel); + Py_TYPE(pevsel)->tp_free((PyObject*)pevsel); } static PyObject *pyrf_evsel__open(struct pyrf_evsel *pevsel, @@ -850,7 +878,7 @@ static int pyrf_evlist__init(struct pyrf_evlist *pevlist, static void pyrf_evlist__delete(struct pyrf_evlist *pevlist) { perf_evlist__exit(&pevlist->evlist); - pevlist->ob_type->tp_free((PyObject*)pevlist); + Py_TYPE(pevlist)->tp_free((PyObject*)pevlist); } static PyObject *pyrf_evlist__mmap(struct pyrf_evlist *pevlist, @@ -902,12 +930,16 @@ static PyObject *pyrf_evlist__get_pollfd(struct pyrf_evlist *pevlist, for (i = 0; i < evlist->pollfd.nr; ++i) { PyObject *file; +#if PY_MAJOR_VERSION < 3 FILE *fp = fdopen(evlist->pollfd.entries[i].fd, "r"); if (fp == NULL) goto free_list; file = PyFile_FromFile(fp, "perf", "r", NULL); +#else + file = PyFile_FromFd(evlist->pollfd.entries[i].fd, "perf", "r", -1, NULL, NULL, NULL, 1); +#endif if (file == NULL) goto free_list; @@ -1194,9 +1226,9 @@ static PyObject *pyrf__tracepoint(struct pyrf_evsel *pevsel, tp_format = trace_event__tp_format(sys, name); if (IS_ERR(tp_format)) - return PyInt_FromLong(-1); + return _PyLong_FromLong(-1); - return PyInt_FromLong(tp_format->id); + return _PyLong_FromLong(tp_format->id); } static PyMethodDef perf__methods[] = { @@ -1209,11 +1241,31 @@ static PyMethodDef perf__methods[] = { { .ml_name = NULL, } }; +#if PY_MAJOR_VERSION < 3 PyMODINIT_FUNC initperf(void) +#else +PyMODINIT_FUNC PyInit_perf(void) +#endif { PyObject *obj; int i; - PyObject *dict, *module = Py_InitModule("perf", perf__methods); + PyObject *dict; +#if PY_MAJOR_VERSION < 3 + PyObject *module = Py_InitModule("perf", perf__methods); +#else + static struct PyModuleDef moduledef = { + PyModuleDef_HEAD_INIT, + "perf", /* m_name */ + "", /* m_doc */ + -1, /* m_size */ + perf__methods, /* m_methods */ + NULL, /* m_reload */ + NULL, /* m_traverse */ + NULL, /* m_clear */ + NULL, /* m_free */ + }; + PyObject *module = PyModule_Create(&moduledef); +#endif if (module == NULL || pyrf_event__setup_types() < 0 || @@ -1221,7 +1273,11 @@ PyMODINIT_FUNC initperf(void) pyrf_evsel__setup_types() < 0 || pyrf_thread_map__setup_types() < 0 || pyrf_cpu_map__setup_types() < 0) +#if PY_MAJOR_VERSION < 3 return; +#else + return module; +#endif /* The page_size is placed in util object. */ page_size = sysconf(_SC_PAGE_SIZE); @@ -1270,7 +1326,7 @@ PyMODINIT_FUNC initperf(void) goto error; for (i = 0; perf__constants[i].name != NULL; i++) { - obj = PyInt_FromLong(perf__constants[i].value); + obj = _PyLong_FromLong(perf__constants[i].value); if (obj == NULL) goto error; PyDict_SetItemString(dict, perf__constants[i].name, obj); @@ -1280,6 +1336,9 @@ PyMODINIT_FUNC initperf(void) error: if (PyErr_Occurred()) PyErr_SetString(PyExc_ImportError, "perf: Init failed!"); +#if PY_MAJOR_VERSION >= 3 + return module; +#endif } /* diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c index ea070883c593..10dd5fce082b 100644 --- a/tools/perf/util/scripting-engines/trace-event-python.c +++ b/tools/perf/util/scripting-engines/trace-event-python.c @@ -49,7 +49,37 @@ #include "print_binary.h" #include "stat.h" +#if PY_MAJOR_VERSION < 3 +#define _PyUnicode_FromString(arg) \ + PyString_FromString(arg) +#define _PyUnicode_FromStringAndSize(arg1, arg2) \ + PyString_FromStringAndSize((arg1), (arg2)) +#define _PyBytes_FromStringAndSize(arg1, arg2) \ + PyString_FromStringAndSize((arg1), (arg2)) +#define _PyLong_FromLong(arg) \ + PyInt_FromLong(arg) +#define _PyLong_AsLong(arg) \ + PyInt_AsLong(arg) +#define _PyCapsule_New(arg1, arg2, arg3) \ + PyCObject_FromVoidPtr((arg1), (arg2)) + PyMODINIT_FUNC initperf_trace_context(void); +#else +#define _PyUnicode_FromString(arg) \ + PyUnicode_FromString(arg) +#define _PyUnicode_FromStringAndSize(arg1, arg2) \ + PyUnicode_FromStringAndSize((arg1), (arg2)) +#define _PyBytes_FromStringAndSize(arg1, arg2) \ + PyBytes_FromStringAndSize((arg1), (arg2)) +#define _PyLong_FromLong(arg) \ + PyLong_FromLong(arg) +#define _PyLong_AsLong(arg) \ + PyLong_AsLong(arg) +#define _PyCapsule_New(arg1, arg2, arg3) \ + PyCapsule_New((arg1), (arg2), (arg3)) + +PyMODINIT_FUNC PyInit_perf_trace_context(void); +#endif #define TRACE_EVENT_TYPE_MAX \ ((1 << (sizeof(unsigned short) * 8)) - 1) @@ -135,7 +165,7 @@ static int get_argument_count(PyObject *handler) PyObject *arg_count_obj = PyObject_GetAttrString(code_obj, "co_argcount"); if (arg_count_obj) { - arg_count = (int) PyInt_AsLong(arg_count_obj); + arg_count = (int) _PyLong_AsLong(arg_count_obj); Py_DECREF(arg_count_obj); } Py_DECREF(code_obj); @@ -182,10 +212,10 @@ static void define_value(enum print_arg_type field_type, value = eval_flag(field_value); - PyTuple_SetItem(t, n++, PyString_FromString(ev_name)); - PyTuple_SetItem(t, n++, PyString_FromString(field_name)); - PyTuple_SetItem(t, n++, PyInt_FromLong(value)); - PyTuple_SetItem(t, n++, PyString_FromString(field_str)); + PyTuple_SetItem(t, n++, _PyUnicode_FromString(ev_name)); + PyTuple_SetItem(t, n++, _PyUnicode_FromString(field_name)); + PyTuple_SetItem(t, n++, _PyLong_FromLong(value)); + PyTuple_SetItem(t, n++, _PyUnicode_FromString(field_str)); try_call_object(handler_name, t); @@ -223,10 +253,10 @@ static void define_field(enum print_arg_type field_type, if (!t) Py_FatalError("couldn't create Python tuple"); - PyTuple_SetItem(t, n++, PyString_FromString(ev_name)); - PyTuple_SetItem(t, n++, PyString_FromString(field_name)); + PyTuple_SetItem(t, n++, _PyUnicode_FromString(ev_name)); + PyTuple_SetItem(t, n++, _PyUnicode_FromString(field_name)); if (field_type == PRINT_FLAGS) - PyTuple_SetItem(t, n++, PyString_FromString(delim)); + PyTuple_SetItem(t, n++, _PyUnicode_FromString(delim)); try_call_object(handler_name, t); @@ -325,12 +355,12 @@ static PyObject *get_field_numeric_entry(struct event_format *event, if (field->flags & FIELD_IS_SIGNED) { if ((long long)val >= LONG_MIN && (long long)val <= LONG_MAX) - obj = PyInt_FromLong(val); + obj = _PyLong_FromLong(val); else obj = PyLong_FromLongLong(val); } else { if (val <= LONG_MAX) - obj = PyInt_FromLong(val); + obj = _PyLong_FromLong(val); else obj = PyLong_FromUnsignedLongLong(val); } @@ -389,9 +419,9 @@ static PyObject *python_process_callchain(struct perf_sample *sample, pydict_set_item_string_decref(pysym, "end", PyLong_FromUnsignedLongLong(node->sym->end)); pydict_set_item_string_decref(pysym, "binding", - PyInt_FromLong(node->sym->binding)); + _PyLong_FromLong(node->sym->binding)); pydict_set_item_string_decref(pysym, "name", - PyString_FromStringAndSize(node->sym->name, + _PyUnicode_FromStringAndSize(node->sym->name, node->sym->namelen)); pydict_set_item_string_decref(pyelem, "sym", pysym); } @@ -406,7 +436,7 @@ static PyObject *python_process_callchain(struct perf_sample *sample, dsoname = map->dso->name; } pydict_set_item_string_decref(pyelem, "dso", - PyString_FromString(dsoname)); + _PyUnicode_FromString(dsoname)); } callchain_cursor_advance(&callchain_cursor); @@ -483,16 +513,16 @@ static PyObject *get_perf_sample_dict(struct perf_sample *sample, if (!dict_sample) Py_FatalError("couldn't create Python dictionary"); - pydict_set_item_string_decref(dict, "ev_name", PyString_FromString(perf_evsel__name(evsel))); - pydict_set_item_string_decref(dict, "attr", PyString_FromStringAndSize( + pydict_set_item_string_decref(dict, "ev_name", _PyUnicode_FromString(perf_evsel__name(evsel))); + pydict_set_item_string_decref(dict, "attr", _PyUnicode_FromStringAndSize( (const char *)&evsel->attr, sizeof(evsel->attr))); pydict_set_item_string_decref(dict_sample, "pid", - PyInt_FromLong(sample->pid)); + _PyLong_FromLong(sample->pid)); pydict_set_item_string_decref(dict_sample, "tid", - PyInt_FromLong(sample->tid)); + _PyLong_FromLong(sample->tid)); pydict_set_item_string_decref(dict_sample, "cpu", - PyInt_FromLong(sample->cpu)); + _PyLong_FromLong(sample->cpu)); pydict_set_item_string_decref(dict_sample, "ip", PyLong_FromUnsignedLongLong(sample->ip)); pydict_set_item_string_decref(dict_sample, "time", @@ -504,17 +534,17 @@ static PyObject *get_perf_sample_dict(struct perf_sample *sample, set_sample_read_in_dict(dict_sample, sample, evsel); pydict_set_item_string_decref(dict, "sample", dict_sample); - pydict_set_item_string_decref(dict, "raw_buf", PyString_FromStringAndSize( + pydict_set_item_string_decref(dict, "raw_buf", _PyBytes_FromStringAndSize( (const char *)sample->raw_data, sample->raw_size)); pydict_set_item_string_decref(dict, "comm", - PyString_FromString(thread__comm_str(al->thread))); + _PyUnicode_FromString(thread__comm_str(al->thread))); if (al->map) { pydict_set_item_string_decref(dict, "dso", - PyString_FromString(al->map->dso->name)); + _PyUnicode_FromString(al->map->dso->name)); } if (al->sym) { pydict_set_item_string_decref(dict, "symbol", - PyString_FromString(al->sym->name)); + _PyUnicode_FromString(al->sym->name)); } pydict_set_item_string_decref(dict, "callchain", callchain); @@ -574,9 +604,9 @@ static void python_process_tracepoint(struct perf_sample *sample, scripting_context->event_data = data; scripting_context->pevent = evsel->tp_format->pevent; - context = PyCObject_FromVoidPtr(scripting_context, NULL); + context = _PyCapsule_New(scripting_context, NULL, NULL); - PyTuple_SetItem(t, n++, PyString_FromString(handler_name)); + PyTuple_SetItem(t, n++, _PyUnicode_FromString(handler_name)); PyTuple_SetItem(t, n++, context); /* ip unwinding */ @@ -585,18 +615,18 @@ static void python_process_tracepoint(struct perf_sample *sample, Py_INCREF(callchain); if (!dict) { - PyTuple_SetItem(t, n++, PyInt_FromLong(cpu)); - PyTuple_SetItem(t, n++, PyInt_FromLong(s)); - PyTuple_SetItem(t, n++, PyInt_FromLong(ns)); - PyTuple_SetItem(t, n++, PyInt_FromLong(pid)); - PyTuple_SetItem(t, n++, PyString_FromString(comm)); + PyTuple_SetItem(t, n++, _PyLong_FromLong(cpu)); + PyTuple_SetItem(t, n++, _PyLong_FromLong(s)); + PyTuple_SetItem(t, n++, _PyLong_FromLong(ns)); + PyTuple_SetItem(t, n++, _PyLong_FromLong(pid)); + PyTuple_SetItem(t, n++, _PyUnicode_FromString(comm)); PyTuple_SetItem(t, n++, callchain); } else { - pydict_set_item_string_decref(dict, "common_cpu", PyInt_FromLong(cpu)); - pydict_set_item_string_decref(dict, "common_s", PyInt_FromLong(s)); - pydict_set_item_string_decref(dict, "common_ns", PyInt_FromLong(ns)); - pydict_set_item_string_decref(dict, "common_pid", PyInt_FromLong(pid)); - pydict_set_item_string_decref(dict, "common_comm", PyString_FromString(comm)); + pydict_set_item_string_decref(dict, "common_cpu", _PyLong_FromLong(cpu)); + pydict_set_item_string_decref(dict, "common_s", _PyLong_FromLong(s)); + pydict_set_item_string_decref(dict, "common_ns", _PyLong_FromLong(ns)); + pydict_set_item_string_decref(dict, "common_pid", _PyLong_FromLong(pid)); + pydict_set_item_string_decref(dict, "common_comm", _PyUnicode_FromString(comm)); pydict_set_item_string_decref(dict, "common_callchain", callchain); } for (field = event->format.fields; field; field = field->next) { @@ -615,7 +645,7 @@ static void python_process_tracepoint(struct perf_sample *sample, } if (field->flags & FIELD_IS_STRING && is_printable_array(data + offset, len)) { - obj = PyString_FromString((char *) data + offset); + obj = _PyUnicode_FromString((char *) data + offset); } else { obj = PyByteArray_FromStringAndSize((const char *) data + offset, len); field->flags &= ~FIELD_IS_STRING; @@ -668,7 +698,7 @@ static PyObject *tuple_new(unsigned int sz) static int tuple_set_u64(PyObject *t, unsigned int pos, u64 val) { #if BITS_PER_LONG == 64 - return PyTuple_SetItem(t, pos, PyInt_FromLong(val)); + return PyTuple_SetItem(t, pos, _PyLong_FromLong(val)); #endif #if BITS_PER_LONG == 32 return PyTuple_SetItem(t, pos, PyLong_FromLongLong(val)); @@ -677,12 +707,12 @@ static int tuple_set_u64(PyObject *t, unsigned int pos, u64 val) static int tuple_set_s32(PyObject *t, unsigned int pos, s32 val) { - return PyTuple_SetItem(t, pos, PyInt_FromLong(val)); + return PyTuple_SetItem(t, pos, _PyLong_FromLong(val)); } static int tuple_set_string(PyObject *t, unsigned int pos, const char *s) { - return PyTuple_SetItem(t, pos, PyString_FromString(s)); + return PyTuple_SetItem(t, pos, _PyUnicode_FromString(s)); } static int python_export_evsel(struct db_export *dbe, struct perf_evsel *evsel) @@ -1029,8 +1059,8 @@ process_stat(struct perf_evsel *counter, int cpu, int thread, u64 tstamp, return; } - PyTuple_SetItem(t, n++, PyInt_FromLong(cpu)); - PyTuple_SetItem(t, n++, PyInt_FromLong(thread)); + PyTuple_SetItem(t, n++, _PyLong_FromLong(cpu)); + PyTuple_SetItem(t, n++, _PyLong_FromLong(thread)); tuple_set_u64(t, n++, tstamp); tuple_set_u64(t, n++, count->val); @@ -1212,27 +1242,58 @@ static void set_table_handlers(struct tables *tables) SET_TABLE_HANDLER(call_return); } +#if PY_MAJOR_VERSION < 3 +static void _free_command_line(const char **command_line, int num) +{ + free(command_line); +} +#else +static void _free_command_line(wchar_t **command_line, int num) +{ + int i; + for (i = 0; i < num; i++) + PyMem_RawFree(command_line[i]); + free(command_line); +} +#endif + + /* * Start trace script */ static int python_start_script(const char *script, int argc, const char **argv) { struct tables *tables = &tables_global; +#if PY_MAJOR_VERSION < 3 const char **command_line; +#else + wchar_t **command_line; +#endif char buf[PATH_MAX]; int i, err = 0; FILE *fp; +#if PY_MAJOR_VERSION < 3 command_line = malloc((argc + 1) * sizeof(const char *)); command_line[0] = script; for (i = 1; i < argc + 1; i++) command_line[i] = argv[i - 1]; +#else + command_line = malloc((argc + 1) * sizeof(wchar_t *)); + command_line[0] = Py_DecodeLocale(script, NULL); + for (i = 1; i < argc + 1; i++) + command_line[i] = Py_DecodeLocale(argv[i - 1], NULL); +#endif Py_Initialize(); +#if PY_MAJOR_VERSION < 3 initperf_trace_context(); - PySys_SetArgv(argc + 1, (char **)command_line); +#else + PyInit_perf_trace_context(); + PySys_SetArgv(argc + 1, command_line); +#endif fp = fopen(script, "r"); if (!fp) { @@ -1262,12 +1323,12 @@ static int python_start_script(const char *script, int argc, const char **argv) goto error; } - free(command_line); + _free_command_line(command_line, argc + 1); return err; error: Py_Finalize(); - free(command_line); + _free_command_line(command_line, argc + 1); return err; } diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py index af415febbc46..6891635b50c3 100644 --- a/tools/perf/util/setup.py +++ b/tools/perf/util/setup.py @@ -1,4 +1,4 @@ -#!/usr/bin/python2 +#!/usr/bin/python from os import getenv @@ -35,11 +35,11 @@ build_tmp = getenv('PYTHON_EXTBUILD_TMP') libtraceevent = getenv('LIBTRACEEVENT') libapikfs = getenv('LIBAPI') -ext_sources = [f.strip() for f in file('util/python-ext-sources') +ext_sources = [f.strip() for f in open('util/python-ext-sources') if len(f.strip()) > 0 and f[0] != '#'] # use full paths with source files -ext_sources = map(lambda x: '%s/%s' % (src_perf, x) , ext_sources) +ext_sources = list(map(lambda x: '%s/%s' % (src_perf, x) , ext_sources)) perf = Extension('perf', sources = ext_sources,
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