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[Qemu-devel] [RFC][PATCH v1 0/3] trace-instrument: let the user wrap/ove


From: Lluís
Subject: [Qemu-devel] [RFC][PATCH v1 0/3] trace-instrument: let the user wrap/override code generated from trace-events
Date: Wed, 03 Nov 2010 20:58:14 +0100
User-agent: StGit/0.15

Adds a new optional keyword ("instrument") to the syntax in "trace-events". When
specified, this event property lets the user provide her own implementation for
that tracing event.

Still, in case the user only wants to wrap around the tracing event, tracetool's
original implementation is accessible through function 'trace_##name##_backend',
instead of the original 'trace_##name' (which now the user has to provide).

The user-provided tracing functions are expected to be in the static library
"libinstrument.a", identified by the "--with-instrument" configuration
parameter.

TODO:
 * Having the 'simple' backend generate code even when the "disable" property is
   present, complicates the flow in 'tracetool'.
   Is this behaviour really needed?

Signed-off-by: Lluís Vilanova <address@hidden>
---

Lluís Vilanova (3):
      trace: rewrite 'tracetool' to facilitate future extensions
      trace-instrument: let the user override events generated by 'tracetool'
      trace-instrument: handle config-time activation


 Makefile        |    4 -
 Makefile.target |   29 ++++-
 configure       |   30 +++++
 simpletrace.py  |    2 
 trace-events    |   23 +++-
 tracetool       |  336 +++++++++++++++++++++++++++++++++++--------------------
 6 files changed, 289 insertions(+), 135 deletions(-)




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