Tracing pull request

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Merge remote-tracking branch 'stefanha/tags/tracing-pull-request' into staging

Tracing pull request

# gpg: Signature made Mon 27 Jan 2014 14:51:09 GMT using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* stefanha/tags/tracing-pull-request:
  trace: fix simple trace "disable" keyword
  trace: add glib 2.32+ static GMutex support
  trace: [simple] Do not include "trace/simple.h" in generated tracer headers
  tracing: start trace processing thread in final child process

Message-id: 1390834386-23139-1-git-send-email-stefanha@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

scripts/tracetool/backend/simple.py

@@ -56,7 +56,7 @@ def c(events):
 
 
         out('',
-            '    TraceEvent *eventp = trace_event_id(%(event_id)s);',
+            '    TraceEvent *eventp = trace_event_id(%(event_enum)s);',
             '    bool _state = trace_event_get_state_dynamic(eventp);',
             '    if (!_state) {',
             '        return;',
@@ -65,6 +65,7 @@ def c(events):
             '    if (trace_record_start(&rec, %(event_id)s, %(size_str)s)) {',
             '        return; /* Trace Buffer Full, Event Dropped ! */',
             '    }',
+            event_enum = 'TRACE_' + event.name.upper(),
             event_id = num,
             size_str = sizestr,
             )
@@ -93,9 +94,6 @@ def c(events):
 
 
 def h(events):
-    out('#include "trace/simple.h"',
-        '')
-
     for event in events:
         out('void trace_%(name)s(%(args)s);',
             name = event.name,