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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>
47 lines
939 B
Python
47 lines
939 B
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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DTrace/SystemTAP 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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PROBEPREFIX = None
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def probeprefix():
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if PROBEPREFIX is None:
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raise ValueError("you must set PROBEPREFIX")
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return PROBEPREFIX
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BINARY = None
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def binary():
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if BINARY is None:
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raise ValueError("you must set BINARY")
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return BINARY
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def generate_h_begin(events):
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out('#include "trace/generated-tracers-dtrace.h"',
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'')
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def generate_h(event):
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out(' QEMU_%(uppername)s(%(argnames)s);',
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uppername=event.name.upper(),
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argnames=", ".join(event.args.names()))
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