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ca3fa0e88f
Instead of having the code generator assign event IDs and event VCPU IDs, assign them when the events are registered at runtime. This will allow code to be generated from individual trace-events without having to figure out globally unique numbering at build time. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1475588159-30598-16-git-send-email-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
62 lines
1.7 KiB
Python
62 lines
1.7 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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trace/generated-events.c
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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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'#include "qemu/osdep.h"',
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'#include "trace.h"',
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'#include "trace/generated-events.h"',
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'#include "trace/control.h"',
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'')
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for e in events:
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out('uint16_t %s;' % e.api(e.QEMU_DSTATE))
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for e in events:
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if "vcpu" in e.properties:
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vcpu_id = 0
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else:
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vcpu_id = "TRACE_VCPU_EVENT_NONE"
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out('TraceEvent %(event)s = {',
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' .id = 0,',
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' .vcpu_id = %(vcpu_id)s,',
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' .name = \"%(name)s\",',
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' .sstate = %(sstate)s,',
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' .dstate = &%(dstate)s ',
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'};',
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event = e.api(e.QEMU_EVENT),
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vcpu_id = vcpu_id,
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name = e.name,
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sstate = "TRACE_%s_ENABLED" % e.name.upper(),
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dstate = e.api(e.QEMU_DSTATE))
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out('TraceEvent *trace_events[] = {')
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for e in events:
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out(' &%(event)s,', event = e.api(e.QEMU_EVENT))
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out(' NULL,',
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'};',
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'')
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out('static void trace_register_events(void)',
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'{',
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' trace_event_register_group(trace_events);',
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'}',
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'trace_init(trace_register_events)')
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