167 lines
4.3 KiB
C
167 lines
4.3 KiB
C
/*
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* trace-event-scripting. Scripting engine common and initialization code.
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*
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* Copyright (C) 2009-2010 Tom Zanussi <tzanussi@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include "../perf.h"
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#include "util.h"
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#include "trace-event.h"
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struct scripting_context *scripting_context;
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static int stop_script_unsupported(void)
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{
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return 0;
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}
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static void process_event_unsupported(union perf_event *event __unused,
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struct perf_sample *sample __unused,
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struct perf_evsel *evsel __unused,
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struct machine *machine __unused,
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struct thread *thread __unused)
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{
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}
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static void print_python_unsupported_msg(void)
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{
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fprintf(stderr, "Python scripting not supported."
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" Install libpython and rebuild perf to enable it.\n"
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"For example:\n # apt-get install python-dev (ubuntu)"
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"\n # yum install python-devel (Fedora)"
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"\n etc.\n");
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}
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static int python_start_script_unsupported(const char *script __unused,
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int argc __unused,
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const char **argv __unused)
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{
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print_python_unsupported_msg();
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return -1;
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}
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static int python_generate_script_unsupported(const char *outfile __unused)
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{
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print_python_unsupported_msg();
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return -1;
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}
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struct scripting_ops python_scripting_unsupported_ops = {
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.name = "Python",
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.start_script = python_start_script_unsupported,
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.stop_script = stop_script_unsupported,
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.process_event = process_event_unsupported,
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.generate_script = python_generate_script_unsupported,
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};
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static void register_python_scripting(struct scripting_ops *scripting_ops)
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{
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int err;
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err = script_spec_register("Python", scripting_ops);
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if (err)
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die("error registering Python script extension");
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err = script_spec_register("py", scripting_ops);
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if (err)
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die("error registering py script extension");
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scripting_context = malloc(sizeof(struct scripting_context));
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}
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#ifdef NO_LIBPYTHON
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void setup_python_scripting(void)
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{
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register_python_scripting(&python_scripting_unsupported_ops);
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}
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#else
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extern struct scripting_ops python_scripting_ops;
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void setup_python_scripting(void)
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{
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register_python_scripting(&python_scripting_ops);
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}
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#endif
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static void print_perl_unsupported_msg(void)
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{
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fprintf(stderr, "Perl scripting not supported."
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" Install libperl and rebuild perf to enable it.\n"
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"For example:\n # apt-get install libperl-dev (ubuntu)"
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"\n # yum install 'perl(ExtUtils::Embed)' (Fedora)"
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"\n etc.\n");
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}
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static int perl_start_script_unsupported(const char *script __unused,
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int argc __unused,
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const char **argv __unused)
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{
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print_perl_unsupported_msg();
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return -1;
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}
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static int perl_generate_script_unsupported(const char *outfile __unused)
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{
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print_perl_unsupported_msg();
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return -1;
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}
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struct scripting_ops perl_scripting_unsupported_ops = {
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.name = "Perl",
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.start_script = perl_start_script_unsupported,
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.stop_script = stop_script_unsupported,
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.process_event = process_event_unsupported,
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.generate_script = perl_generate_script_unsupported,
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};
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static void register_perl_scripting(struct scripting_ops *scripting_ops)
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{
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int err;
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err = script_spec_register("Perl", scripting_ops);
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if (err)
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die("error registering Perl script extension");
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err = script_spec_register("pl", scripting_ops);
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if (err)
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die("error registering pl script extension");
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scripting_context = malloc(sizeof(struct scripting_context));
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}
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#ifdef NO_LIBPERL
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void setup_perl_scripting(void)
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{
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register_perl_scripting(&perl_scripting_unsupported_ops);
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}
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#else
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extern struct scripting_ops perl_scripting_ops;
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void setup_perl_scripting(void)
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{
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register_perl_scripting(&perl_scripting_ops);
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}
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#endif
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