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-rw-r--r--scripts/tracetool/backend/simple.py55
1 files changed, 55 insertions, 0 deletions
diff --git a/scripts/tracetool/backend/simple.py b/scripts/tracetool/backend/simple.py
new file mode 100644
index 0000000..fbb5717
--- /dev/null
+++ b/scripts/tracetool/backend/simple.py
@@ -0,0 +1,55 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+"""
+Simple 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 "trace/simple.h"',
+ '')
+
+ for num, e in enumerate(events):
+ if len(e.args):
+ argstr = e.args.names()
+ arg_prefix = ', (uint64_t)(uintptr_t)'
+ cast_args = arg_prefix + arg_prefix.join(argstr)
+ simple_args = (str(num) + cast_args)
+ else:
+ simple_args = str(num)
+
+ out('static inline void trace_%(name)s(%(args)s)',
+ '{',
+ ' trace%(argc)d(%(trace_args)s);',
+ '}',
+ name = e.name,
+ args = e.args,
+ argc = len(e.args),
+ trace_args = simple_args,
+ )
+
+ out('#define NR_TRACE_EVENTS %d' % len(events))
+ out('extern TraceEvent trace_list[NR_TRACE_EVENTS];')
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