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trace: Provide a generic tracing event descriptor

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Uses tracetool to generate a backend-independent tracing event description
(struct TraceEvent).

The values for such structure are generated with the non-public "events"
backend ("events-c" frontend).

The generation of the defines to check if an event is statically enabled is also
moved to the "events" backend ("events-h" frontend).

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Lluís Vilanova 2013-03-05 14:47:32 +01:00 • committed by Stefan Hajnoczi
parent 93fba1618d
commit 45be2f5d0d
7 changed files with 172 additions and 9 deletions
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23
scripts/tracetool/backend/events.py Normal file
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Generic event description.
This is a dummy backend to establish appropriate frontend/backend compatibility
checks.
"""
__author__ = "Lluís Vilanova <vilanova@ac.upc.edu>"
__copyright__ = "Copyright 2012, Lluís Vilanova <vilanova@ac.upc.edu>"
__license__ = "GPL version 2 or (at your option) any later version"
__maintainer__ = "Stefan Hajnoczi"
__email__ = "stefanha@linux.vnet.ibm.com"
def events_h(events):
pass
def events_c(events):
pass