Signed-off-by: Lluís Vilanova <vilan...@ac.upc.edu>
---
scripts/tracetool/backend/ust.py | 102 ++++++++++++++++++++++++++++++++++++++
1 files changed, 102 insertions(+), 0 deletions(-)
create mode 100644 scripts/tracetool/backend/ust.py
diff --git a/scripts/tracetool/backend/ust.py b/scripts/tracetool/backend/ust.py
new file mode 100644
index 0000000..6871373
--- /dev/null
+++ b/scripts/tracetool/backend/ust.py
@@ -0,0 +1,102 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+"""
+LTTng User Space Tracing backend.
+"""
+
+__author__ = "Lluís Vilanova <vilan...@ac.upc.edu>"
+__copyright__ = "Copyright 2012, Lluís Vilanova <vilan...@ac.upc.edu>"
+__license__ = "GPL version 2 or (at your option) any later version"
+
+__maintainer__ = "Stefan Hajnoczi"
+__email__ = "stefa...@linux.vnet.ibm.com"
+
+
+from tracetool import out
+
+
+PUBLIC = True
+
+
+def c(events):
+ out('#include <ust/marker.h>',
+ '#undef mutex_lock',
+ '#undef mutex_unlock',
+ '#undef inline',
+ '#undef wmb',
+ '#include "trace.h"')
+
+ for e in events:
+ argnames = ", ".join(e.args.names())
+ if len(e.args) > 0:
+ argnames = ', ' + argnames
+
+ out('''
+DEFINE_TRACE(ust_%(name)s);
+
+static void ust_%(name)s_probe(%(args)s)
+{
+ trace_mark(ust, %(name)s, %(fmt)s%(argnames)s);
+}''' %
+ {
+ 'name': e.name,
+ 'args': e.args,
+ 'fmt': e.fmt,
+ 'argnames': argnames,
+ })
+
+ else:
+ out('''
+DEFINE_TRACE(ust_%(name)s);
+
+static void ust_%(name)s_probe(%(args)s)
+{
+ trace_mark(ust, %(name)s, UST_MARKER_NOARGS);
+}''' %
+ {
+ 'name': e.name,
+ 'args': e.args,
+ })
+
+ # register probes
+ out('',
+ 'static void __attribute__((constructor)) trace_init(void)',
+ '{')
+
+ for e in events:
+ out(' register_trace_ust_%(name)s(ust_%(name)s_probe);' %
+ {
+ 'name': e.name,
+ })
+
+ out('}')
+
+
+def h(events):
+ out('#include <ust/tracepoint.h>',
+ '#undef mutex_lock',
+ '#undef mutex_unlock',
+ '#undef inline',
+ '#undef wmb')
+
+ for e in events:
+ if len(e.args) > 0:
+ out('''
+DECLARE_TRACE(ust_%(name)s, TP_PROTO(%(args)s), TP_ARGS(%(argnames)s));
+#define trace_%(name)s trace_ust_%(name)s''' %
+ {
+ 'name': e.name,
+ 'args': e.args,
+ 'argnames': ", ".join(e.args.names())
+ })
+
+ else:
+ out('''
+_DECLARE_TRACEPOINT_NOARGS(ust_%(name)s);
+#define trace_%(name)s trace_ust_%(name)s''' %
+ {
+ 'name': e.name,
+ })
+
+ out()
