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/*
* trace-event-scripting. Scripting engine common and initialization code.
*
* Copyright (C) 2009-2010 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include "../perf.h"
#include "util.h"
#include "trace-event.h"
struct scripting_context *scripting_context;
static int stop_script_unsupported(void)
{
return 0;
}
static void process_event_unsupported(int cpu __unused,
void *data __unused,
int size __unused,
unsigned long long nsecs __unused,
char *comm __unused)
{
}
static void print_perl_unsupported_msg(void)
{
fprintf(stderr, "Perl scripting not supported."
" Install libperl and rebuild perf to enable it.\n"
"For example:\n # apt-get install libperl-dev (ubuntu)"
"\n # yum install 'perl(ExtUtils::Embed)' (Fedora)"
"\n etc.\n");
}
static int perl_start_script_unsupported(const char *script __unused,
int argc __unused,
const char **argv __unused)
{
print_perl_unsupported_msg();
return -1;
}
static int perl_generate_script_unsupported(const char *outfile __unused)
{
print_perl_unsupported_msg();
return -1;
}
struct scripting_ops perl_scripting_unsupported_ops = {
.name = "Perl",
.start_script = perl_start_script_unsupported,
.stop_script = stop_script_unsupported,
.process_event = process_event_unsupported,
.generate_script = perl_generate_script_unsupported,
};
static void register_perl_scripting(struct scripting_ops *scripting_ops)
{
int err;
err = script_spec_register("Perl", scripting_ops);
if (err)
die("error registering Perl script extension");
err = script_spec_register("pl", scripting_ops);
if (err)
die("error registering pl script extension");
scripting_context = malloc(sizeof(struct scripting_context));
}
#ifdef NO_LIBPERL
void setup_perl_scripting(void)
{
register_perl_scripting(&perl_scripting_unsupported_ops);
}
#else
struct scripting_ops perl_scripting_ops;
void setup_perl_scripting(void)
{
register_perl_scripting(&perl_scripting_ops);
}
#endif
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