1dad2ce973
Backends now only contain the essential backend-specific code, and most of the work is moved to frontend code. Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
40 lines
947 B
Python
40 lines
947 B
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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Stderr built-in backend.
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"""
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__author__ = "Lluís Vilanova <vilanova@ac.upc.edu>"
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__copyright__ = "Copyright 2012-2014, Lluís Vilanova <vilanova@ac.upc.edu>"
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__license__ = "GPL version 2 or (at your option) any later version"
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__maintainer__ = "Stefan Hajnoczi"
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__email__ = "stefanha@linux.vnet.ibm.com"
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from tracetool import out
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PUBLIC = True
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def generate_h_begin(events):
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out('#include <stdio.h>',
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'#include "trace/control.h"',
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'')
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def generate_h(event):
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argnames = ", ".join(event.args.names())
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if len(event.args) > 0:
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argnames = ", " + argnames
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out(' if (trace_event_get_state(%(event_id)s)) {',
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' fprintf(stderr, "%(name)s " %(fmt)s "\\n" %(argnames)s);',
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' }',
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event_id="TRACE_" + event.name.upper(),
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name=event.name,
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fmt=event.fmt.rstrip("\n"),
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argnames=argnames)
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