qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Qemu-devel] [RFC PATCH v2 4/8] tracetool: Add support for the 'stderr'


From: Lluís Vilanova
Subject: [Qemu-devel] [RFC PATCH v2 4/8] tracetool: Add support for the 'stderr' backend
Date: Mon, 26 Mar 2012 19:38:07 +0200
User-agent: StGit/0.16

Signed-off-by: Lluís Vilanova <address@hidden>
---
 scripts/tracetool/backend/stderr.py |   61 +++++++++++++++++++++++++++++++++++
 1 files changed, 61 insertions(+), 0 deletions(-)
 create mode 100644 scripts/tracetool/backend/stderr.py

diff --git a/scripts/tracetool/backend/stderr.py 
b/scripts/tracetool/backend/stderr.py
new file mode 100644
index 0000000..5f9abcd
--- /dev/null
+++ b/scripts/tracetool/backend/stderr.py
@@ -0,0 +1,61 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+"""
+Stderr built-in backend.
+"""
+
+__author__     = "Lluís Vilanova <address@hidden>"
+__copyright__  = "Copyright 2012, Lluís Vilanova <address@hidden>"
+__license__    = "GPL version 2 or (at your option) any later version"
+
+__maintainer__ = "Stefan Hajnoczi"
+__email__      = "address@hidden"
+
+
+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))




reply via email to

[Prev in Thread] Current Thread [Next in Thread]