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-rw-r--r--ANDROID_3.4.5/tools/perf/util/scripting-engines/trace-event-python.c600
1 files changed, 0 insertions, 600 deletions
diff --git a/ANDROID_3.4.5/tools/perf/util/scripting-engines/trace-event-python.c b/ANDROID_3.4.5/tools/perf/util/scripting-engines/trace-event-python.c
deleted file mode 100644
index c2623c6f..00000000
--- a/ANDROID_3.4.5/tools/perf/util/scripting-engines/trace-event-python.c
+++ /dev/null
@@ -1,600 +0,0 @@
-/*
- * trace-event-python. Feed trace events to an embedded Python interpreter.
- *
- * Copyright (C) 2010 Tom Zanussi <tzanussi@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#include <Python.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-
-#include "../../perf.h"
-#include "../util.h"
-#include "../event.h"
-#include "../thread.h"
-#include "../trace-event.h"
-
-PyMODINIT_FUNC initperf_trace_context(void);
-
-#define FTRACE_MAX_EVENT \
- ((1 << (sizeof(unsigned short) * 8)) - 1)
-
-struct event *events[FTRACE_MAX_EVENT];
-
-#define MAX_FIELDS 64
-#define N_COMMON_FIELDS 7
-
-extern struct scripting_context *scripting_context;
-
-static char *cur_field_name;
-static int zero_flag_atom;
-
-static PyObject *main_module, *main_dict;
-
-static void handler_call_die(const char *handler_name)
-{
- PyErr_Print();
- Py_FatalError("problem in Python trace event handler");
-}
-
-static void define_value(enum print_arg_type field_type,
- const char *ev_name,
- const char *field_name,
- const char *field_value,
- const char *field_str)
-{
- const char *handler_name = "define_flag_value";
- PyObject *handler, *t, *retval;
- unsigned long long value;
- unsigned n = 0;
-
- if (field_type == PRINT_SYMBOL)
- handler_name = "define_symbolic_value";
-
- t = PyTuple_New(4);
- if (!t)
- Py_FatalError("couldn't create Python tuple");
-
- 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));
-
- handler = PyDict_GetItemString(main_dict, handler_name);
- if (handler && PyCallable_Check(handler)) {
- retval = PyObject_CallObject(handler, t);
- if (retval == NULL)
- handler_call_die(handler_name);
- }
-
- Py_DECREF(t);
-}
-
-static void define_values(enum print_arg_type field_type,
- struct print_flag_sym *field,
- const char *ev_name,
- const char *field_name)
-{
- define_value(field_type, ev_name, field_name, field->value,
- field->str);
-
- if (field->next)
- define_values(field_type, field->next, ev_name, field_name);
-}
-
-static void define_field(enum print_arg_type field_type,
- const char *ev_name,
- const char *field_name,
- const char *delim)
-{
- const char *handler_name = "define_flag_field";
- PyObject *handler, *t, *retval;
- unsigned n = 0;
-
- if (field_type == PRINT_SYMBOL)
- handler_name = "define_symbolic_field";
-
- if (field_type == PRINT_FLAGS)
- t = PyTuple_New(3);
- else
- t = PyTuple_New(2);
- 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));
- if (field_type == PRINT_FLAGS)
- PyTuple_SetItem(t, n++, PyString_FromString(delim));
-
- handler = PyDict_GetItemString(main_dict, handler_name);
- if (handler && PyCallable_Check(handler)) {
- retval = PyObject_CallObject(handler, t);
- if (retval == NULL)
- handler_call_die(handler_name);
- }
-
- Py_DECREF(t);
-}
-
-static void define_event_symbols(struct event *event,
- const char *ev_name,
- struct print_arg *args)
-{
- switch (args->type) {
- case PRINT_NULL:
- break;
- case PRINT_ATOM:
- define_value(PRINT_FLAGS, ev_name, cur_field_name, "0",
- args->atom.atom);
- zero_flag_atom = 0;
- break;
- case PRINT_FIELD:
- if (cur_field_name)
- free(cur_field_name);
- cur_field_name = strdup(args->field.name);
- break;
- case PRINT_FLAGS:
- define_event_symbols(event, ev_name, args->flags.field);
- define_field(PRINT_FLAGS, ev_name, cur_field_name,
- args->flags.delim);
- define_values(PRINT_FLAGS, args->flags.flags, ev_name,
- cur_field_name);
- break;
- case PRINT_SYMBOL:
- define_event_symbols(event, ev_name, args->symbol.field);
- define_field(PRINT_SYMBOL, ev_name, cur_field_name, NULL);
- define_values(PRINT_SYMBOL, args->symbol.symbols, ev_name,
- cur_field_name);
- break;
- case PRINT_STRING:
- break;
- case PRINT_TYPE:
- define_event_symbols(event, ev_name, args->typecast.item);
- break;
- case PRINT_OP:
- if (strcmp(args->op.op, ":") == 0)
- zero_flag_atom = 1;
- define_event_symbols(event, ev_name, args->op.left);
- define_event_symbols(event, ev_name, args->op.right);
- break;
- default:
- /* we should warn... */
- return;
- }
-
- if (args->next)
- define_event_symbols(event, ev_name, args->next);
-}
-
-static inline struct event *find_cache_event(int type)
-{
- static char ev_name[256];
- struct event *event;
-
- if (events[type])
- return events[type];
-
- events[type] = event = trace_find_event(type);
- if (!event)
- return NULL;
-
- sprintf(ev_name, "%s__%s", event->system, event->name);
-
- define_event_symbols(event, ev_name, event->print_fmt.args);
-
- return event;
-}
-
-static void python_process_event(union perf_event *pevent __unused,
- struct perf_sample *sample,
- struct perf_evsel *evsel __unused,
- struct machine *machine __unused,
- struct thread *thread)
-{
- PyObject *handler, *retval, *context, *t, *obj, *dict = NULL;
- static char handler_name[256];
- struct format_field *field;
- unsigned long long val;
- unsigned long s, ns;
- struct event *event;
- unsigned n = 0;
- int type;
- int pid;
- int cpu = sample->cpu;
- void *data = sample->raw_data;
- unsigned long long nsecs = sample->time;
- char *comm = thread->comm;
-
- t = PyTuple_New(MAX_FIELDS);
- if (!t)
- Py_FatalError("couldn't create Python tuple");
-
- type = trace_parse_common_type(data);
-
- event = find_cache_event(type);
- if (!event)
- die("ug! no event found for type %d", type);
-
- pid = trace_parse_common_pid(data);
-
- sprintf(handler_name, "%s__%s", event->system, event->name);
-
- handler = PyDict_GetItemString(main_dict, handler_name);
- if (handler && !PyCallable_Check(handler))
- handler = NULL;
- if (!handler) {
- dict = PyDict_New();
- if (!dict)
- Py_FatalError("couldn't create Python dict");
- }
- s = nsecs / NSECS_PER_SEC;
- ns = nsecs - s * NSECS_PER_SEC;
-
- scripting_context->event_data = data;
-
- context = PyCObject_FromVoidPtr(scripting_context, NULL);
-
- PyTuple_SetItem(t, n++, PyString_FromString(handler_name));
- PyTuple_SetItem(t, n++, context);
-
- if (handler) {
- 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));
- } else {
- PyDict_SetItemString(dict, "common_cpu", PyInt_FromLong(cpu));
- PyDict_SetItemString(dict, "common_s", PyInt_FromLong(s));
- PyDict_SetItemString(dict, "common_ns", PyInt_FromLong(ns));
- PyDict_SetItemString(dict, "common_pid", PyInt_FromLong(pid));
- PyDict_SetItemString(dict, "common_comm", PyString_FromString(comm));
- }
- for (field = event->format.fields; field; field = field->next) {
- if (field->flags & FIELD_IS_STRING) {
- int offset;
- if (field->flags & FIELD_IS_DYNAMIC) {
- offset = *(int *)(data + field->offset);
- offset &= 0xffff;
- } else
- offset = field->offset;
- obj = PyString_FromString((char *)data + offset);
- } else { /* FIELD_IS_NUMERIC */
- val = read_size(data + field->offset, field->size);
- if (field->flags & FIELD_IS_SIGNED) {
- if ((long long)val >= LONG_MIN &&
- (long long)val <= LONG_MAX)
- obj = PyInt_FromLong(val);
- else
- obj = PyLong_FromLongLong(val);
- } else {
- if (val <= LONG_MAX)
- obj = PyInt_FromLong(val);
- else
- obj = PyLong_FromUnsignedLongLong(val);
- }
- }
- if (handler)
- PyTuple_SetItem(t, n++, obj);
- else
- PyDict_SetItemString(dict, field->name, obj);
-
- }
- if (!handler)
- PyTuple_SetItem(t, n++, dict);
-
- if (_PyTuple_Resize(&t, n) == -1)
- Py_FatalError("error resizing Python tuple");
-
- if (handler) {
- retval = PyObject_CallObject(handler, t);
- if (retval == NULL)
- handler_call_die(handler_name);
- } else {
- handler = PyDict_GetItemString(main_dict, "trace_unhandled");
- if (handler && PyCallable_Check(handler)) {
-
- retval = PyObject_CallObject(handler, t);
- if (retval == NULL)
- handler_call_die("trace_unhandled");
- }
- Py_DECREF(dict);
- }
-
- Py_DECREF(t);
-}
-
-static int run_start_sub(void)
-{
- PyObject *handler, *retval;
- int err = 0;
-
- main_module = PyImport_AddModule("__main__");
- if (main_module == NULL)
- return -1;
- Py_INCREF(main_module);
-
- main_dict = PyModule_GetDict(main_module);
- if (main_dict == NULL) {
- err = -1;
- goto error;
- }
- Py_INCREF(main_dict);
-
- handler = PyDict_GetItemString(main_dict, "trace_begin");
- if (handler == NULL || !PyCallable_Check(handler))
- goto out;
-
- retval = PyObject_CallObject(handler, NULL);
- if (retval == NULL)
- handler_call_die("trace_begin");
-
- Py_DECREF(retval);
- return err;
-error:
- Py_XDECREF(main_dict);
- Py_XDECREF(main_module);
-out:
- return err;
-}
-
-/*
- * Start trace script
- */
-static int python_start_script(const char *script, int argc, const char **argv)
-{
- const char **command_line;
- char buf[PATH_MAX];
- int i, err = 0;
- FILE *fp;
-
- 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];
-
- Py_Initialize();
-
- initperf_trace_context();
-
- PySys_SetArgv(argc + 1, (char **)command_line);
-
- fp = fopen(script, "r");
- if (!fp) {
- sprintf(buf, "Can't open python script \"%s\"", script);
- perror(buf);
- err = -1;
- goto error;
- }
-
- err = PyRun_SimpleFile(fp, script);
- if (err) {
- fprintf(stderr, "Error running python script %s\n", script);
- goto error;
- }
-
- err = run_start_sub();
- if (err) {
- fprintf(stderr, "Error starting python script %s\n", script);
- goto error;
- }
-
- free(command_line);
-
- return err;
-error:
- Py_Finalize();
- free(command_line);
-
- return err;
-}
-
-/*
- * Stop trace script
- */
-static int python_stop_script(void)
-{
- PyObject *handler, *retval;
- int err = 0;
-
- handler = PyDict_GetItemString(main_dict, "trace_end");
- if (handler == NULL || !PyCallable_Check(handler))
- goto out;
-
- retval = PyObject_CallObject(handler, NULL);
- if (retval == NULL)
- handler_call_die("trace_end");
- else
- Py_DECREF(retval);
-out:
- Py_XDECREF(main_dict);
- Py_XDECREF(main_module);
- Py_Finalize();
-
- return err;
-}
-
-static int python_generate_script(const char *outfile)
-{
- struct event *event = NULL;
- struct format_field *f;
- char fname[PATH_MAX];
- int not_first, count;
- FILE *ofp;
-
- sprintf(fname, "%s.py", outfile);
- ofp = fopen(fname, "w");
- if (ofp == NULL) {
- fprintf(stderr, "couldn't open %s\n", fname);
- return -1;
- }
- fprintf(ofp, "# perf script event handlers, "
- "generated by perf script -g python\n");
-
- fprintf(ofp, "# Licensed under the terms of the GNU GPL"
- " License version 2\n\n");
-
- fprintf(ofp, "# The common_* event handler fields are the most useful "
- "fields common to\n");
-
- fprintf(ofp, "# all events. They don't necessarily correspond to "
- "the 'common_*' fields\n");
-
- fprintf(ofp, "# in the format files. Those fields not available as "
- "handler params can\n");
-
- fprintf(ofp, "# be retrieved using Python functions of the form "
- "common_*(context).\n");
-
- fprintf(ofp, "# See the perf-trace-python Documentation for the list "
- "of available functions.\n\n");
-
- fprintf(ofp, "import os\n");
- fprintf(ofp, "import sys\n\n");
-
- fprintf(ofp, "sys.path.append(os.environ['PERF_EXEC_PATH'] + \\\n");
- fprintf(ofp, "\t'/scripts/python/Perf-Trace-Util/lib/Perf/Trace')\n");
- fprintf(ofp, "\nfrom perf_trace_context import *\n");
- fprintf(ofp, "from Core import *\n\n\n");
-
- fprintf(ofp, "def trace_begin():\n");
- fprintf(ofp, "\tprint \"in trace_begin\"\n\n");
-
- fprintf(ofp, "def trace_end():\n");
- fprintf(ofp, "\tprint \"in trace_end\"\n\n");
-
- while ((event = trace_find_next_event(event))) {
- fprintf(ofp, "def %s__%s(", event->system, event->name);
- fprintf(ofp, "event_name, ");
- fprintf(ofp, "context, ");
- fprintf(ofp, "common_cpu,\n");
- fprintf(ofp, "\tcommon_secs, ");
- fprintf(ofp, "common_nsecs, ");
- fprintf(ofp, "common_pid, ");
- fprintf(ofp, "common_comm,\n\t");
-
- not_first = 0;
- count = 0;
-
- for (f = event->format.fields; f; f = f->next) {
- if (not_first++)
- fprintf(ofp, ", ");
- if (++count % 5 == 0)
- fprintf(ofp, "\n\t");
-
- fprintf(ofp, "%s", f->name);
- }
- fprintf(ofp, "):\n");
-
- fprintf(ofp, "\t\tprint_header(event_name, common_cpu, "
- "common_secs, common_nsecs,\n\t\t\t"
- "common_pid, common_comm)\n\n");
-
- fprintf(ofp, "\t\tprint \"");
-
- not_first = 0;
- count = 0;
-
- for (f = event->format.fields; f; f = f->next) {
- if (not_first++)
- fprintf(ofp, ", ");
- if (count && count % 3 == 0) {
- fprintf(ofp, "\" \\\n\t\t\"");
- }
- count++;
-
- fprintf(ofp, "%s=", f->name);
- if (f->flags & FIELD_IS_STRING ||
- f->flags & FIELD_IS_FLAG ||
- f->flags & FIELD_IS_SYMBOLIC)
- fprintf(ofp, "%%s");
- else if (f->flags & FIELD_IS_SIGNED)
- fprintf(ofp, "%%d");
- else
- fprintf(ofp, "%%u");
- }
-
- fprintf(ofp, "\\n\" %% \\\n\t\t(");
-
- not_first = 0;
- count = 0;
-
- for (f = event->format.fields; f; f = f->next) {
- if (not_first++)
- fprintf(ofp, ", ");
-
- if (++count % 5 == 0)
- fprintf(ofp, "\n\t\t");
-
- if (f->flags & FIELD_IS_FLAG) {
- if ((count - 1) % 5 != 0) {
- fprintf(ofp, "\n\t\t");
- count = 4;
- }
- fprintf(ofp, "flag_str(\"");
- fprintf(ofp, "%s__%s\", ", event->system,
- event->name);
- fprintf(ofp, "\"%s\", %s)", f->name,
- f->name);
- } else if (f->flags & FIELD_IS_SYMBOLIC) {
- if ((count - 1) % 5 != 0) {
- fprintf(ofp, "\n\t\t");
- count = 4;
- }
- fprintf(ofp, "symbol_str(\"");
- fprintf(ofp, "%s__%s\", ", event->system,
- event->name);
- fprintf(ofp, "\"%s\", %s)", f->name,
- f->name);
- } else
- fprintf(ofp, "%s", f->name);
- }
-
- fprintf(ofp, "),\n\n");
- }
-
- fprintf(ofp, "def trace_unhandled(event_name, context, "
- "event_fields_dict):\n");
-
- fprintf(ofp, "\t\tprint ' '.join(['%%s=%%s'%%(k,str(v))"
- "for k,v in sorted(event_fields_dict.items())])\n\n");
-
- fprintf(ofp, "def print_header("
- "event_name, cpu, secs, nsecs, pid, comm):\n"
- "\tprint \"%%-20s %%5u %%05u.%%09u %%8u %%-20s \" %% \\\n\t"
- "(event_name, cpu, secs, nsecs, pid, comm),\n");
-
- fclose(ofp);
-
- fprintf(stderr, "generated Python script: %s\n", fname);
-
- return 0;
-}
-
-struct scripting_ops python_scripting_ops = {
- .name = "Python",
- .start_script = python_start_script,
- .stop_script = python_stop_script,
- .process_event = python_process_event,
- .generate_script = python_generate_script,
-};
generated by cgit (git 2.34.1) at 2024-12-21 09:59:24 +0000