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Subject[PATCH v2 1/3] tools lib traceevent: add priv field to struct format_field.
Date
Introduce a priv field to 'struct format_field' for futher expansion.

(In https://lkml.org/lkml/2015/1/21/383 , Jiri Olsa gives a suggestion
about changing lib traceevent to solve a bug of perf-convert-to-ctf,
which is related to duplicated field names. I think his suggestion
should be something like this patch. )

Signed-off-by: Wang Nan <wangnan0@huawei.com>
---
tools/lib/traceevent/event-parse.c | 2 ++
tools/lib/traceevent/event-parse.h | 2 ++
2 files changed, 4 insertions(+)

diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index cf3a44b..5f76003 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -5909,6 +5909,8 @@ static void free_format_fields(struct format_field *field)
free(field->type);
free(field->name);
free(field);
+ if (field->destroy_priv)
+ field->destroy_priv(field);
field = next;
}
}
diff --git a/tools/lib/traceevent/event-parse.h b/tools/lib/traceevent/event-parse.h
index 7a3873f..928d801 100644
--- a/tools/lib/traceevent/event-parse.h
+++ b/tools/lib/traceevent/event-parse.h
@@ -190,6 +190,8 @@ struct format_field {
unsigned int arraylen;
unsigned int elementsize;
unsigned long flags;
+ void *priv;
+ void (*destroy_priv)(struct format_field *);
};

struct format {
--
1.8.4


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