forked from luck/tmp_suning_uos_patched
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@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>
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@ -261,6 +261,10 @@ int syscall_enter_define_fields(struct ftrace_event_call *call)
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if (ret)
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return ret;
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ret = trace_define_field(call, SYSCALL_FIELD(int, nr), FILTER_OTHER);
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if (ret)
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return ret;
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for (i = 0; i < meta->nb_args; i++) {
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ret = trace_define_field(call, meta->types[i],
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meta->args[i], offset,
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@ -281,6 +285,10 @@ int syscall_exit_define_fields(struct ftrace_event_call *call)
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if (ret)
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return ret;
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ret = trace_define_field(call, SYSCALL_FIELD(int, nr), FILTER_OTHER);
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if (ret)
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return ret;
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ret = trace_define_field(call, SYSCALL_FIELD(long, ret),
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FILTER_OTHER);
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