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Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-ID: <20250929154938.594389-5-pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
46 lines
1.1 KiB
Python
46 lines
1.1 KiB
Python
# SPDX-License-Identifier: GPL-2.0-or-later
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"""
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LTTng User Space Tracing backend.
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"""
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__author__ = "Lluís Vilanova <vilanova@ac.upc.edu>"
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__copyright__ = "Copyright 2012-2017, 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@redhat.com"
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from tracetool import out
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PUBLIC = True
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def generate_h_begin(events, group):
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header = 'trace-ust-' + group + '.h'
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out('#include <lttng/tracepoint.h>',
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'#include "%s"' % header,
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'',
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'/* tracepoint_enabled() was introduced in LTTng UST 2.7 */',
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'#ifndef tracepoint_enabled',
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'#define tracepoint_enabled(a, b) true',
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'#endif',
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'')
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def generate_h(event, group):
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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(' tracepoint(qemu, %(name)s%(tp_args)s);',
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name=event.name,
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tp_args=argnames)
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def generate_h_backend_dstate(event, group):
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out(' tracepoint_enabled(qemu, %(name)s) || \\',
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name=event.name)
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