new file mode 100644
@@ -0,0 +1,61 @@
+#!/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
+
+
+PUBLIC = True
+
+
+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))
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> --- scripts/tracetool/backend/stderr.py | 61 +++++++++++++++++++++++++++++++++++ 1 files changed, 61 insertions(+), 0 deletions(-) create mode 100644 scripts/tracetool/backend/stderr.py