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perf trace: Add string/dynamic cases to format_flags

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Needed for distinguishing string fields in event stream processing.

Signed-off-by: Tom Zanussi <tzanussi@gmail.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: rostedt@goodmis.org
Cc: lizf@cn.fujitsu.com
Cc: hch@infradead.org
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <1254809398-8078-4-git-send-email-tzanussi@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Tom Zanussi 2009-10-06 01:09:52 -05:00 committed by Ingo Molnar
parent 2774601811
commit 064739bc4b
2 changed files with 26 additions and 0 deletions
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24
tools/perf/util/trace-event-parse.c
View file

@ -721,6 +721,24 @@ static int event_read_id(void)
return -1;
}
static int field_is_string(struct format_field *field)
{
if ((field->flags & FIELD_IS_ARRAY) &&
(!strstr(field->type, "char") || !strstr(field->type, "u8") ||
!strstr(field->type, "s8")))
return 1;
return 0;
}
static int field_is_dynamic(struct format_field *field)
{
if (!strcmp(field->type, "__data_loc"))
return 1;
return 0;
}
static int event_read_fields(struct event *event, struct format_field **fields)
{
struct format_field *field = NULL;
@ -865,6 +883,12 @@ static int event_read_fields(struct event *event, struct format_field **fields)
free(brackets);
}
if (field_is_string(field)) {
field->flags |= FIELD_IS_STRING;
if (field_is_dynamic(field))
field->flags |= FIELD_IS_DYNAMIC;
}
if (test_type_token(type, token, EVENT_OP, (char *)";"))
goto fail;
free_token(token);

2
tools/perf/util/trace-event.h
View file

@ -27,6 +27,8 @@ enum format_flags {
FIELD_IS_ARRAY = 1,
FIELD_IS_POINTER = 2,
FIELD_IS_SIGNED = 4,
FIELD_IS_STRING = 8,
FIELD_IS_DYNAMIC = 16,
};
struct format_field {