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trace: generalize the "property" concept in the trace-events file

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This adds/modifies the following functions:

* get_name: Get _only_ the event name
* has_property: Return whether an event has a property (keyword before the event
  name)

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
This commit is contained in:
Lluís
2011-08-31 20:31:10 +02:00
committed by Stefan Hajnoczi
parent e4858974ec
commit 49926043c1
2 changed files with 35 additions and 42 deletions
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4
docs/tracing.txt
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@ -38,7 +38,7 @@ generate code for the trace events. Trace events are invoked directly from
source code like this:
#include "trace.h" /* needed for trace event prototype */
void *qemu_malloc(size_t size)
{
void *ptr;
@ -103,7 +103,7 @@ portability macros, ensure they are preceded and followed by double quotes:
4. Name trace events after their function. If there are multiple trace events
in one function, append a unique distinguisher at the end of the name.
5. Declare trace events with the "disable" keyword. Some trace events can
5. Declare trace events with the "disable" property. Some trace events can
produce a lot of output and users are typically only interested in a subset
of trace events. Marking trace events disabled by default saves the user
from having to manually disable noisy trace events.