From patchwork Thu Jul 9 20:23:04 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masami Hiramatsu X-Patchwork-Id: 34857 Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id n69KLQcu007525 for ; Thu, 9 Jul 2009 20:21:28 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755786AbZGIUUh (ORCPT ); Thu, 9 Jul 2009 16:20:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755550AbZGIUUf (ORCPT ); Thu, 9 Jul 2009 16:20:35 -0400 Received: from mx2.redhat.com ([66.187.237.31]:41298 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755421AbZGIUUP (ORCPT ); Thu, 9 Jul 2009 16:20:15 -0400 Received: from int-mx2.corp.redhat.com (int-mx2.corp.redhat.com [172.16.27.26]) by mx2.redhat.com (8.13.8/8.13.8) with ESMTP id n69KJuDE011696; Thu, 9 Jul 2009 16:19:56 -0400 Received: from ns3.rdu.redhat.com (ns3.rdu.redhat.com [10.11.255.199]) by int-mx2.corp.redhat.com (8.13.1/8.13.1) with ESMTP id n69KJtmA002214; Thu, 9 Jul 2009 16:19:55 -0400 Received: from localhost.localdomain (dhcp-100-3-156.bos.redhat.com [10.16.3.156]) by ns3.rdu.redhat.com (8.13.8/8.13.8) with ESMTP id n69KJss6025270; Thu, 9 Jul 2009 16:19:54 -0400 From: Masami Hiramatsu Subject: [PATCH -tip -v11 07/11] tracing: Introduce TRACE_FIELD_ZERO() macro To: Ingo Molnar , Steven Rostedt , lkml Cc: systemtap , kvm , DLE , Masami Hiramatsu , Steven Rostedt , Ingo Molnar , Tom Zanussi , Frederic Weisbecker Date: Thu, 09 Jul 2009 16:23:04 -0400 Message-ID: <20090709202304.13223.53076.stgit@localhost.localdomain> In-Reply-To: <20090709202220.13223.97114.stgit@localhost.localdomain> References: <20090709202220.13223.97114.stgit@localhost.localdomain> User-Agent: StGIT/0.14.3 MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.58 on 172.16.27.26 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Use TRACE_FIELD_ZERO(type, item) instead of TRACE_FIELD_ZERO_CHAR(item). This also includes a fix of TRACE_ZERO_CHAR() macro. Signed-off-by: Masami Hiramatsu Cc: Steven Rostedt Cc: Ingo Molnar Cc: Tom Zanussi Cc: Frederic Weisbecker --- kernel/trace/trace_event_types.h | 4 ++-- kernel/trace/trace_export.c | 16 ++++++++-------- 2 files changed, 10 insertions(+), 10 deletions(-) diff --git a/kernel/trace/trace_event_types.h b/kernel/trace/trace_event_types.h index 6db005e..e74f090 100644 --- a/kernel/trace/trace_event_types.h +++ b/kernel/trace/trace_event_types.h @@ -109,7 +109,7 @@ TRACE_EVENT_FORMAT(bprint, TRACE_BPRINT, bprint_entry, ignore, TRACE_STRUCT( TRACE_FIELD(unsigned long, ip, ip) TRACE_FIELD(char *, fmt, fmt) - TRACE_FIELD_ZERO_CHAR(buf) + TRACE_FIELD_ZERO(char, buf) ), TP_RAW_FMT("%08lx (%d) fmt:%p %s") ); @@ -117,7 +117,7 @@ TRACE_EVENT_FORMAT(bprint, TRACE_BPRINT, bprint_entry, ignore, TRACE_EVENT_FORMAT(print, TRACE_PRINT, print_entry, ignore, TRACE_STRUCT( TRACE_FIELD(unsigned long, ip, ip) - TRACE_FIELD_ZERO_CHAR(buf) + TRACE_FIELD_ZERO(char, buf) ), TP_RAW_FMT("%08lx (%d) fmt:%p %s") ); diff --git a/kernel/trace/trace_export.c b/kernel/trace/trace_export.c index 7cee79d..23125b5 100644 --- a/kernel/trace/trace_export.c +++ b/kernel/trace/trace_export.c @@ -42,9 +42,9 @@ extern void __bad_type_size(void); if (!ret) \ return 0; -#undef TRACE_FIELD_ZERO_CHAR -#define TRACE_FIELD_ZERO_CHAR(item) \ - ret = trace_seq_printf(s, "\tfield:char " #item ";\t" \ +#undef TRACE_FIELD_ZERO +#define TRACE_FIELD_ZERO(type, item) \ + ret = trace_seq_printf(s, "\tfield:" #type " " #item ";\t" \ "offset:%u;\tsize:0;\n", \ (unsigned int)offsetof(typeof(field), item)); \ if (!ret) \ @@ -90,9 +90,6 @@ ftrace_format_##call(struct ftrace_event_call *dummy, struct trace_seq *s)\ #include "trace_event_types.h" -#undef TRACE_ZERO_CHAR -#define TRACE_ZERO_CHAR(arg) - #undef TRACE_FIELD #define TRACE_FIELD(type, item, assign)\ entry->item = assign; @@ -105,6 +102,9 @@ ftrace_format_##call(struct ftrace_event_call *dummy, struct trace_seq *s)\ #define TRACE_FIELD_SIGN(type, item, assign, is_signed) \ TRACE_FIELD(type, item, assign) +#undef TRACE_FIELD_ZERO +#define TRACE_FIELD_ZERO(type, item) + #undef TP_CMD #define TP_CMD(cmd...) cmd @@ -176,8 +176,8 @@ __attribute__((section("_ftrace_events"))) event_##call = { \ if (ret) \ return ret; -#undef TRACE_FIELD_ZERO_CHAR -#define TRACE_FIELD_ZERO_CHAR(item) +#undef TRACE_FIELD_ZERO +#define TRACE_FIELD_ZERO(type, item) #undef TRACE_EVENT_FORMAT #define TRACE_EVENT_FORMAT(call, proto, args, fmt, tstruct, tpfmt) \