linux-kernel - [tip:perf/core] trace_syscalls: Add syscall nr field

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Date:	Fri, 27 Nov 2009 05:49:32 GMT
From:	tip-bot for Lai Jiangshan <laijs@...fujitsu.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	fweisbec@...il.com, rostedt@...dmis.org, tglx@...utronix.de,
	jbaron@...hat.com, laijs@...fujitsu.com, mingo@...e.hu
Subject: [tip:perf/core] trace_syscalls: Add syscall nr field

Commit-ID:  0f1ef51d244809f417bdf45cdb00109fb6005672
Gitweb:     http://git.kernel.org/tip/0f1ef51d244809f417bdf45cdb00109fb6005672
Author:     Lai Jiangshan <laijs@...fujitsu.com>
AuthorDate: Thu, 26 Nov 2009 15:49:33 +0800
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Fri, 27 Nov 2009 06:24:19 +0100

trace_syscalls: Add syscall nr field

Field syscall number is missed in syscall_enter_define_fields()/
syscall_exit_define_fields().

Syscall number is also needed for event filter or other users.

Signed-off-by: Lai Jiangshan <laijs@...fujitsu.com>
Acked-by: Frederic Weisbecker <fweisbec@...il.com>
Cc: Jason Baron <jbaron@...hat.com>
Cc: Steven Rostedt <rostedt@...dmis.org>
LKML-Reference: <4B0E330D.1070206@...fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 kernel/trace/trace_syscalls.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index 9189cbe..63aa807 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -261,6 +261,10 @@ int syscall_enter_define_fields(struct ftrace_event_call *call)
 	if (ret)
 		return ret;
 
+	ret = trace_define_field(call, SYSCALL_FIELD(int, nr), FILTER_OTHER);
+	if (ret)
+		return ret;
+
 	for (i = 0; i < meta->nb_args; i++) {
 		ret = trace_define_field(call, meta->types[i],
 					 meta->args[i], offset,
@@ -281,6 +285,10 @@ int syscall_exit_define_fields(struct ftrace_event_call *call)
 	if (ret)
 		return ret;
 
+	ret = trace_define_field(call, SYSCALL_FIELD(int, nr), FILTER_OTHER);
+	if (ret)
+		return ret;
+
 	ret = trace_define_field(call, SYSCALL_FIELD(long, ret),
 				 FILTER_OTHER);
 
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