diff options
Diffstat (limited to 'scripts/tracetool/backend/stderr.py')
-rw-r--r-- | scripts/tracetool/backend/stderr.py | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/scripts/tracetool/backend/stderr.py b/scripts/tracetool/backend/stderr.py new file mode 100644 index 0000000000..917fde7c15 --- /dev/null +++ b/scripts/tracetool/backend/stderr.py @@ -0,0 +1,56 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +""" +Stderr built-in backend. +""" + +__author__ = "Lluís Vilanova <vilanova@ac.upc.edu>" +__copyright__ = "Copyright 2012, Lluís Vilanova <vilanova@ac.upc.edu>" +__license__ = "GPL version 2 or (at your option) any later version" + +__maintainer__ = "Stefan Hajnoczi" +__email__ = "stefanha@linux.vnet.ibm.com" + + +from tracetool import out + + +def c(events): + out('#include "trace.h"', + '', + 'TraceEvent trace_list[] = {') + + for e in events: + out('{.tp_name = "%(name)s", .state=0},', + name = e.name, + ) + + out('};') + +def h(events): + out('#include <stdio.h>', + '#include "trace/stderr.h"', + '', + 'extern TraceEvent trace_list[];') + + for num, e in enumerate(events): + argnames = ", ".join(e.args.names()) + if len(e.args) > 0: + argnames = ", " + argnames + + out('static inline void trace_%(name)s(%(args)s)', + '{', + ' if (trace_list[%(event_num)s].state != 0) {', + ' fprintf(stderr, "%(name)s " %(fmt)s "\\n" %(argnames)s);', + ' }', + '}', + name = e.name, + args = e.args, + event_num = num, + fmt = e.fmt, + argnames = argnames, + ) + + out('', + '#define NR_TRACE_EVENTS %d' % len(events)) |