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-rw-r--r--qemu/scripts/tracetool/backend/stderr.py47
1 files changed, 47 insertions, 0 deletions
diff --git a/qemu/scripts/tracetool/backend/stderr.py b/qemu/scripts/tracetool/backend/stderr.py
new file mode 100644
index 000000000..ca5805462
--- /dev/null
+++ b/qemu/scripts/tracetool/backend/stderr.py
@@ -0,0 +1,47 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+"""
+Stderr built-in backend.
+"""
+
+__author__ = "Lluís Vilanova <vilanova@ac.upc.edu>"
+__copyright__ = "Copyright 2012-2014, 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 generate_h_begin(events):
+ out('#include <stdio.h>',
+ '#include <sys/time.h>',
+ '#include <sys/types.h>',
+ '#include <unistd.h>',
+ '#include "trace/control.h"',
+ '')
+
+
+def generate_h(event):
+ argnames = ", ".join(event.args.names())
+ if len(event.args) > 0:
+ argnames = ", " + argnames
+
+ out(' if (trace_event_get_state(%(event_id)s)) {',
+ ' struct timeval _now;',
+ ' gettimeofday(&_now, NULL);',
+ ' fprintf(stderr, "%%d@%%zd.%%06zd:%(name)s " %(fmt)s "\\n",',
+ ' getpid(),',
+ ' (size_t)_now.tv_sec, (size_t)_now.tv_usec',
+ ' %(argnames)s);',
+ ' }',
+ event_id="TRACE_" + event.name.upper(),
+ name=event.name,
+ fmt=event.fmt.rstrip("\n"),
+ argnames=argnames)