示例#1
0
文件: profile.c 项目: tonysimpson/ni
static PyObject* do_fullcompile(PyFrameObject* frame, PyObject* arg)
{
	PyCodeStats* cs;
	cs = PyCodeStats_Get(frame->f_code);
	if (cs->st_codebuf == NULL) {
		/* not already compiled, compile it now */
		PyObject* g = frame->f_globals;
		int rec, module;
		stats_printf(("stats: full compile code:  %s\n",
			      PyCodeObject_NAME(frame->f_code)));
		if (cs->st_globals && PyInt_Check(cs->st_globals))
			rec = PyInt_AS_LONG(cs->st_globals);
		else
			rec = DEFAULT_RECURSION;
                module = frame->f_globals == frame->f_locals;
		cs->st_codebuf = PsycoCode_CompileCode(frame->f_code,
						       g, rec, module);
		if (cs->st_codebuf == Py_None)
			g = NULL;  /* failed */
		else {
			Py_INCREF(g);
			extra_assert(CodeBuffer_Check(cs->st_codebuf));
		}
		Py_XDECREF(cs->st_globals);
		cs->st_globals = g;
	}
	/* already compiled a Psyco version, run it if the globals match */
	extra_assert(frame->f_globals != NULL);
	if (cs->st_globals == frame->f_globals) {
		Py_INCREF(cs->st_codebuf);
		return cs->st_codebuf;
	}
	return NULL;
}
示例#2
0
static void stats_dump(void)
{
	float top[STATLINES];
	char* top_names[STATLINES];
	int i, j, k=0;
	PyObject *key, *value;
	for (i=0; i<STATLINES; i++)
		top[i] = -1.0f;
	
	while (PyDict_Next(codestats_dict, &k, &key, &value)) {
		PyCodeStats* cs = (PyCodeStats*) key;
		PyCodeObject* co;
		extra_assert(PyCStruct_Check(key));
		extra_assert(PyCode_Check(cs->cs_key));
		co = (PyCodeObject*) cs->cs_key;
		for (i=0; i<STATLINES; i++) {
			if (cs->st_charge > top[i]) {
				for (j=STATLINES-1; j>i; j--) {
					top      [j] = top      [j-1];
					top_names[j] = top_names[j-1];
				}
				top      [i] = cs->st_charge;
				top_names[i] = PyCodeObject_NAME(co);
				break;
			}
		}
	}
	for (i=0; i<STATLINES; i++) {
		if (top[i] < 0.0f)
			break;
		stats_printf(("stats:  #%d %18g   %s\n",
			      i, top[i], top_names[i]));
	}
}
示例#3
0
文件: profile.c 项目: tonysimpson/ni
static PyObject* profile_call(PyFrameObject* frame, PyObject* arg)
{
	PyCodeStats* cs;
	psyco_stats_append(frame->f_tstate, frame->f_back);

	cs = PyCodeStats_Get(frame->f_code);
	if (cs->st_globals != NULL) {
		/* we want to accelerate this code object */
		if (cs->st_codebuf == NULL) {
			/* not already compiled, compile it now */
			PyObject* codebuf;
			PyObject* g = frame->f_globals;
			int rec, module;
			stats_printf(("stats: compile code:  %s\n",
				      PyCodeObject_NAME(frame->f_code)));
			if (PyInt_Check(cs->st_globals))
				rec = PyInt_AS_LONG(cs->st_globals);
			else
				rec = DEFAULT_RECURSION;
			module = frame->f_globals == frame->f_locals;
			codebuf = PsycoCode_CompileCode(frame->f_code,
							g, rec, module);
			/* rare race condition: 'cs' might have been mutated
			   during the call to PsycoCode_CompileCode(), so
			   cs->st_codebuf might no longer be NULL, or
			   cs->st_globals might be NULL again */
			Py_XDECREF(cs->st_codebuf);
			cs->st_codebuf = codebuf;
			if (cs->st_codebuf == Py_None)
				g = NULL;  /* failed */
			else {
				Py_INCREF(g);
				extra_assert
					(CodeBuffer_Check(cs->st_codebuf));
			}
			Py_XDECREF(cs->st_globals);
			cs->st_globals = g;
		}
		/* already compiled a Psyco version, run it
		   if the globals match */
		extra_assert(frame->f_globals != NULL);
		if (cs->st_globals == frame->f_globals) {
			Py_INCREF(cs->st_codebuf);
			return cs->st_codebuf;
		}
	}
	return NULL;
}
示例#4
0
文件: profile.c 项目: tonysimpson/ni
PSY_INLINE bool call_ceval_hooks(ceval_events_t* cev, int what, PyFrameObject* f)
{
	bool r = true;
	int n;
	struct cevents_s* events;
	PyObject* codebuf;
	PyObject* obj;
	extra_assert(what >= 0);
	if (what >= PyTrace_TOTAL)
		return true;   /* Python >= 2.4 defines PyTrace_C_xxx */
#if VERBOSE_LEVEL >= 3
        stats_printf(("hook: %d %s\n", what, PyCodeObject_NAME(f->f_code)));
#endif
	events = cev->events + what;
	n = events->count;
	do {
		if (n == 0)
			return true;  /* done */
		n--;
		extra_assert(n < events->count);
		codebuf = events->items[n].fn(f, events->items[n].arg);
		if (events->items[n].fn == &deleted_ceval_hook) {
			events->items[n] = events->items[--events->count];
		}
	} while (codebuf == NULL);

	/* call the other hooks, if any */
	while (n != 0) {
		n--;
		extra_assert(n < events->count);
		obj = events->items[n].fn(f, events->items[n].arg);
		Py_XDECREF(obj);
		if (events->items[n].fn == &deleted_ceval_hook) {
			events->items[n] = events->items[--events->count];
		}
	}
	/* enable recursive calls to call_ceval_hooks() */
	f->f_tstate->use_tracing = 1;
	f->f_tstate->tracing--;
	/* run the compiled code */
	r = PsycoCode_Run(codebuf, f, what == PyTrace_CALL);
	f->f_tstate->tracing++;
	Py_DECREF(codebuf);
#if (PY_VERSION_HEX >= 0x02030000) && (PY_VERSION_HEX < 0x020300f0)
	if (!r) f->f_stacktop = NULL;  /* work around a bug in Python 2.3b1 */
#endif
	return r;
}
示例#5
0
文件: profile.c 项目: tonysimpson/ni
static PyObject* turbo_go(PyFrameObject* frame, PyObject* target_frame)
{
	PyObject* result;
	ceval_events_t* cev = get_cevents(frame->f_tstate);
	
	/* single-shooting callback */
	unset_ceval_hook(cev, PyTrace_LINE, &turbo_go, target_frame);
	
	if ((PyObject*) frame == target_frame) {
		/* the target is the current frame, compile it now */
		stats_printf(("stats: compile frame: %s\n",
			      PyCodeObject_NAME(frame->f_code)));
		result = PsycoCode_CompileFrame(frame, DEFAULT_RECURSION);
		if (result == Py_None) {
			Py_DECREF(result);
			result = NULL;
		}
	}
	else {
		/* hey, where is my frame? */
		PyFrameObject* f = frame->f_back;
		stats_printf(("stats: where is my frame?\n"));
		for (; f; f = f->f_back) {
			if ((PyObject*) f == target_frame) {
				/* it is lower in the stack, wait until
				   we return to it */
				stats_printf(("stats: lower in the stack.\n"));
				set_ceval_hook(cev, PyTrace_RETURN, &turbo_wait,
					       target_frame);
				break;
			}
		}
		/* if nowhere to be seen, forget it */
		result = NULL;
	}
	if (!update_ceval_hooks(cev))
		unset_ceval_hook(cev, PyTrace_RETURN, &turbo_wait, target_frame);
	return result;
}
示例#6
0
文件: profile.c 项目: tonysimpson/ni
DEFINEFN
bool psyco_turbo_frame(PyFrameObject* frame)
{
	if (frame->f_lasti >= 0) {
		/* turbo-run the frame at the next possible occasion
		   unless the frame is actually emulated from a Psyco frame */
		ceval_events_t* cev = get_cevents(frame->f_tstate);
		stats_printf(("stats: turbo frame: %s\n",
			      PyCodeObject_NAME(frame->f_code)));
/* 		if (frame->f_tstate != PyThreadState_GET()) { */
/* 			stats_printf(("stats: TSTATE = %p, F_TSTATE=%p\n", */
/* 				      PyThreadState_GET(), */
/* 				      frame->f_tstate)); */
/* 		} */
		set_ceval_hook(cev, PyTrace_LINE, &turbo_go, (PyObject*) frame);
		if (!update_ceval_hooks(cev)) {
			unset_ceval_hook(cev, PyTrace_LINE, &turbo_go,
					 (PyObject*) frame);
			return false;
		}
	}
	return true;
}
示例#7
0
DEFINEFN
void psyco_dump_code_buffers(void)
{
  static int is_dumping = 0;
  FILE* f;

#if CODE_DUMP >= 3
  static int alt = 1;
  char filename[200];
  sprintf(filename, "%s-%d", CODE_DUMP_FILE, alt);
  alt = 3-alt;
#else
  char* filename = CODE_DUMP_FILE;
#endif

#if defined(PSYCO_TRACE)
  trace_flush();
#endif
  
  if (is_dumping) return;
  is_dumping = 1;
  f = fopen(filename, "wb");
  if (f != NULL)
    {
      CodeBufferObject* obj;
      PyObject *exc, *val, *tb;
      long buftablepos;
      void** chain;
      int bufcount = 0;
      long* buftable;
      PyErr_Fetch(&exc, &val, &tb);
      debug_printf(1, ("writing %s\n", filename));

      for (obj=psyco_codebuf_chained_list; obj != NULL; obj=obj->chained_list)
        bufcount++;
      buftable = PyMem_NEW(long, bufcount);
      fprintf(f, "Psyco dump [%s]\n", MACHINE_CODE_FORMAT);
      fwrite(&bufcount, sizeof(bufcount), 1, f);
      buftablepos = ftell(f);
      fwrite(buftable, sizeof(long), bufcount, f);

      /* give the address of an arbitrary symbol from the Python interpreter
         and from the Psyco module */
      fprintf(f, "PyInt_FromLong: 0x%lx\n", (long) &PyInt_FromLong);
      fprintf(f, "psyco_dump_code_buffers: 0x%lx\n",
              (long) &psyco_dump_code_buffers);

      for (obj=psyco_codebuf_chained_list; obj != NULL; obj=obj->chained_list)
        {
          PyCodeObject* co = obj->snapshot.fz_pyc_data ?
		  obj->snapshot.fz_pyc_data->co : NULL;
          fprintf(f, "CodeBufferObject 0x%lx %d '%s' '%s' %d '%s'\n",
                  (long) obj->codestart, get_stack_depth(&obj->snapshot),
                  co?PyString_AsString(co->co_filename):"",
                  co?PyCodeObject_NAME(co):"",
                  co?obj->snapshot.fz_pyc_data->next_instr:-1,
                  obj->codemode);
        }
      
      psyco_dump_bigbuffers(f);

      for (chain = psyco_codebuf_spec_dict_list; chain; chain=(void**)*chain)
        {
          PyObject* spec_dict = (PyObject*)(chain[-1]);
          int i = 0;
          PyObject *key, *value;
          fprintf(f, "spec_dict 0x%lx\n", (long) chain);
          while (PyDict_Next(spec_dict, &i, &key, &value))
            {
              PyObject* repr;
              if (PyInt_Check(key))
                {
                  repr = (key->ob_type->tp_as_number->nb_hex)(key);
                }
              else
                {
                  repr = PyObject_Repr(key);
                }
              psyco_assert(!PyErr_Occurred());
              psyco_assert(PyString_Check(repr));
              psyco_assert(CodeBuffer_Check(value));
              fprintf(f, "0x%lx %s\n",
                      (long)((CodeBufferObject*)value)->codestart,
                      PyString_AsString(repr));
              Py_DECREF(repr);
            }
          fprintf(f, "\n");
        }
      {
        int i = 0;
        fprintf(f, "vinfo_array\n");
        for (obj=psyco_codebuf_chained_list; obj != NULL; obj=obj->chained_list)
          {
            PsycoObject* live_po;
            PyObject* d;
            if (psyco_top_array_count(&obj->snapshot) > 0)
              live_po = fpo_unfreeze(&obj->snapshot);
            else
              live_po = NULL;
            d = PyDict_New();
            psyco_assert(d);
            buftable[i++] = ftell(f);
            vinfo_array_dump(live_po ? &live_po->vlocals : NullArray, f, d);
            Py_DECREF(d);
            if (live_po)
              PsycoObject_Delete(live_po);
          }
        psyco_assert(i==bufcount);
        fseek(f, buftablepos, 0);
        fwrite(buftable, sizeof(long), bufcount, f);
      }
      PyMem_FREE(buftable);
      psyco_assert(!PyErr_Occurred());
      fclose(f);
      PyErr_Restore(exc, val, tb);
    }