40b9cd25f7
Events with the 'vcpu' property are conditionally emitted according to their per-vCPU state. Other events are emitted normally based on their global tracing state. Note that the per-vCPU condition check applies to all tracing backends. Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
60 lines
1.5 KiB
Python
60 lines
1.5 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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trace/generated-tracers.h
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"""
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__author__ = "Lluís Vilanova <vilanova@ac.upc.edu>"
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__copyright__ = "Copyright 2012-2016, 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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def generate(events, backend):
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out('/* This file is autogenerated by tracetool, do not edit. */',
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'',
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'#ifndef TRACE__GENERATED_TRACERS_H',
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'#define TRACE__GENERATED_TRACERS_H',
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'',
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'#include "qemu-common.h"',
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'#include "trace/control.h"',
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'')
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backend.generate_begin(events)
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for e in events:
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if "vcpu" in e.properties:
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trace_cpu = next(iter(e.args))[1]
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cond = "trace_event_get_vcpu_state(%(cpu)s,"\
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" TRACE_%(id)s,"\
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" TRACE_VCPU_%(id)s)"\
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% dict(
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cpu=trace_cpu,
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id=e.name.upper())
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else:
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cond = "true"
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out('',
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'static inline void %(api)s(%(args)s)',
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'{',
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' if (%(cond)s) {',
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api=e.api(),
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args=e.args,
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cond=cond)
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if "disable" not in e.properties:
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backend.generate(e)
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out(' }',
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'}')
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backend.generate_end(events)
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out('#endif /* TRACE__GENERATED_TRACERS_H */')
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