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Subject[PATCH 09/11] tools lib traceevent: Add alias field to struct format_field
Date
Introduce an alias field to 'struct format_field' to be able
to use alternative name for the field.

This will be handy when converting data into CTF, where each
field within event needs to have a unique name (while this
is not required for tracepoint). Converter can easily assign
unique name into the format_field struct.

Suggested-by: Steven Rostedt <rostedt@goodmis.org>
Link: http://marc.info/?l=linux-kernel&m=142263154901362&w=2
Cc: Wang Nan <wangnan0@huawei.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Tom Zanussi <tzanussi@gmail.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
tools/lib/traceevent/event-parse.c | 1 +
tools/lib/traceevent/event-parse.h | 1 +
2 files changed, 2 insertions(+)

diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index afe20ed9fac8..b35664cc1edc 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -6236,6 +6236,7 @@ static void free_format_fields(struct format_field *field)
next = field->next;
free(field->type);
free(field->name);
+ free(field->alias);
free(field);
field = next;
}
diff --git a/tools/lib/traceevent/event-parse.h b/tools/lib/traceevent/event-parse.h
index 5b4efc062320..8490a4afffa2 100644
--- a/tools/lib/traceevent/event-parse.h
+++ b/tools/lib/traceevent/event-parse.h
@@ -187,6 +187,7 @@ struct format_field {
struct event_format *event;
char *type;
char *name;
+ char *alias;
int offset;
int size;
unsigned int arraylen;
--
1.9.3


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