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perf/scripts: Add Python scripting engine

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Add base support for Python scripting to perf trace.

Signed-off-by: Tom Zanussi <tzanussi@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Keiichi KII <k-keiichi@bx.jp.nec.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <1264580883-15324-6-git-send-email-tzanussi@gmail.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
This commit is contained in:
Tom Zanussi 2010-01-27 02:27:57 -06:00 • committed by Frederic Weisbecker
parent 266fe2f217
commit 7e4b21b84c
8 changed files with 864 additions and 0 deletions
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61
tools/perf/util/trace-event-scripting.c
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@ -44,6 +44,67 @@ static void process_event_unsupported(int cpu __unused,
{
}
static void print_python_unsupported_msg(void)
{
fprintf(stderr, "Python scripting not supported."
" Install libpython and rebuild perf to enable it.\n"
"For example:\n # apt-get install python-dev (ubuntu)"
"\n # yum install python-devel (Fedora)"
"\n etc.\n");
}
static int python_start_script_unsupported(const char *script __unused,
int argc __unused,
const char **argv __unused)
{
print_python_unsupported_msg();
return -1;
}
static int python_generate_script_unsupported(const char *outfile __unused)
{
print_python_unsupported_msg();
return -1;
}
struct scripting_ops python_scripting_unsupported_ops = {
.name = "Python",
.start_script = python_start_script_unsupported,
.stop_script = stop_script_unsupported,
.process_event = process_event_unsupported,
.generate_script = python_generate_script_unsupported,
};
static void register_python_scripting(struct scripting_ops *scripting_ops)
{
int err;
err = script_spec_register("Python", scripting_ops);
if (err)
die("error registering Python script extension");
err = script_spec_register("py", scripting_ops);
if (err)
die("error registering py script extension");
scripting_context = malloc(sizeof(struct scripting_context));
}
#ifdef NO_LIBPYTHON
void setup_python_scripting(void)
{
register_python_scripting(&python_scripting_unsupported_ops);
}
#else
struct scripting_ops python_scripting_ops;
void setup_python_scripting(void)
{
register_python_scripting(&python_scripting_ops);
}
#endif
static void print_perl_unsupported_msg(void)
{
fprintf(stderr, "Perl scripting not supported."