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tracing/events: Add 'signed' field to format files

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The sign info used for filters in the kernel is also useful to
applications that process the trace stream.  Add it to the format
files and make it available to userspace.

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: <1254809398-8078-2-git-send-email-tzanussi@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Tom Zanussi
2009-10-06 01:09:50 -05:00
committed by Ingo Molnar
parent d9b2002c40
commit 26a50744b2
7 changed files with 82 additions and 42 deletions
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24
tools/perf/util/trace-event-parse.c
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@ -894,6 +894,21 @@ static int event_read_fields(struct event *event, struct format_field **fields)
field->size = strtoul(token, NULL, 0);
free_token(token);
if (read_expected(EVENT_OP, (char *)";") < 0)
goto fail_expect;
if (read_expected(EVENT_ITEM, (char *)"signed") < 0)
goto fail_expect;
if (read_expected(EVENT_OP, (char *)":") < 0)
goto fail_expect;
if (read_expect_type(EVENT_ITEM, &token))
goto fail;
if (strtoul(token, NULL, 0))
field->flags |= FIELD_IS_SIGNED;
free_token(token);
if (read_expected(EVENT_OP, (char *)";") < 0)
goto fail_expect;
@ -2843,6 +2858,15 @@ static void parse_header_field(char *type,
return;
*size = atoi(token);
free_token(token);
if (read_expected(EVENT_OP, (char *)";") < 0)
return;
if (read_expected(EVENT_ITEM, (char *)"signed") < 0)
return;
if (read_expected(EVENT_OP, (char *)":") < 0)
return;
if (read_expect_type(EVENT_ITEM, &token) < 0)
return;
free_token(token);
if (read_expected(EVENT_OP, (char *)";") < 0)
return;
if (read_expect_type(EVENT_NEWLINE, &token) < 0)