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187 lines
4.7 KiB
187 lines
4.7 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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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 <[email protected]> |
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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 "debug.h" |
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#include "trace-event.h" |
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#include "event.h" |
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#include "evsel.h" |
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#include <linux/zalloc.h> |
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struct scripting_context *scripting_context; |
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void scripting_context__update(struct scripting_context *c, |
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union perf_event *event, |
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struct perf_sample *sample, |
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struct evsel *evsel, |
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struct addr_location *al, |
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struct addr_location *addr_al) |
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{ |
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c->event_data = sample->raw_data; |
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if (evsel->tp_format) |
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c->pevent = evsel->tp_format->tep; |
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else |
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c->pevent = NULL; |
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c->event = event; |
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c->sample = sample; |
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c->evsel = evsel; |
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c->al = al; |
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c->addr_al = addr_al; |
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} |
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static int flush_script_unsupported(void) |
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{ |
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return 0; |
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} |
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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 __maybe_unused, |
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struct perf_sample *sample __maybe_unused, |
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struct evsel *evsel __maybe_unused, |
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struct addr_location *al __maybe_unused, |
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struct addr_location *addr_al __maybe_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 __maybe_unused, |
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int argc __maybe_unused, |
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const char **argv __maybe_unused, |
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struct perf_session *session __maybe_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(struct tep_handle *pevent |
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__maybe_unused, |
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const char *outfile |
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__maybe_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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.dirname = "python", |
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.start_script = python_start_script_unsupported, |
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.flush_script = flush_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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if (scripting_context == NULL) |
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scripting_context = malloc(sizeof(*scripting_context)); |
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if (scripting_context == NULL || |
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script_spec_register("Python", scripting_ops) || |
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script_spec_register("py", scripting_ops)) { |
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pr_err("Error registering Python script extension: disabling it\n"); |
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zfree(&scripting_context); |
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} |
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} |
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#ifndef HAVE_LIBPYTHON_SUPPORT |
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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 __maybe_unused, |
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int argc __maybe_unused, |
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const char **argv __maybe_unused, |
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struct perf_session *session __maybe_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(struct tep_handle *pevent |
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__maybe_unused, |
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const char *outfile __maybe_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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.dirname = "perl", |
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.start_script = perl_start_script_unsupported, |
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.flush_script = flush_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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if (scripting_context == NULL) |
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scripting_context = malloc(sizeof(*scripting_context)); |
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if (scripting_context == NULL || |
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script_spec_register("Perl", scripting_ops) || |
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script_spec_register("pl", scripting_ops)) { |
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pr_err("Error registering Perl script extension: disabling it\n"); |
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zfree(&scripting_context); |
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} |
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} |
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#ifndef HAVE_LIBPERL_SUPPORT |
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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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