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trace_syscalls: Add syscall nr field

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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@cn.fujitsu.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jason Baron <jbaron@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <4B0E330D.1070206@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Lai Jiangshan 2009-11-26 15:49:33 +08:00 committed by Ingo Molnar
parent dd1853c3f4
commit 0f1ef51d24
1 changed files with 8 additions and 0 deletions
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8
kernel/trace/trace_syscalls.c
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@ -261,6 +261,10 @@ int syscall_enter_define_fields(struct ftrace_event_call *call)
if (ret) if (ret)
return 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++) { for (i = 0; i < meta->nb_args; i++) {
ret = trace_define_field(call, meta->types[i], ret = trace_define_field(call, meta->types[i],
meta->args[i], offset, meta->args[i], offset,
@ -281,6 +285,10 @@ int syscall_exit_define_fields(struct ftrace_event_call *call)
if (ret) if (ret)
return 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), ret = trace_define_field(call, SYSCALL_FIELD(long, ret),
FILTER_OTHER); FILTER_OTHER);