From: compudj@krystal.dyndns.org (Mathieu Desnoyers)
Subject: [ltt-dev] LTTng 2.0 kernel instrumentation todo?
Date: Tue, 22 Nov 2011 18:08:48 -0500 [thread overview]
Message-ID: <20111122230848.GA750@Krystal> (raw)
In-Reply-To: <4ECBF22C.3000504@ericsson.com>
* Matthew Khouzam (matthew.khouzam at ericsson.com) wrote:
> Hi, I was tracing some simple programs and came up with a list of
> "sys_unknown" tracepoints. This may or may not help for developers to
> see what they are.
>
> sys_unknown id = 11 => exec_ve
> sys_unknown id = 119 => sigreturn
> sys_unknown id = 120 => clone
> sys_unknown id = 184 => capget
> sys_unknown id = 185 => capset
> sys_unknown id = 194 => ftruncate (?) confirm please
> sys_unknown id = 243 => set_thread_area (?) confirm please
> sys_unknown id = 250 => fadvise (?) confirm please
> sys_unknown id = 314 => sync_file_range (?) confirm please
See the _override files, that allow you to declare them by yourself.
Those are probably missing in the DEFINE_SYSCALL(*) in the kernel, so we
need to create them in the override files (they cannot be automatically
generated).
Patches are welcome,
Thanks,
Mathieu
>
> _______________________________________________
> ltt-dev mailing list
> ltt-dev at lists.casi.polymtl.ca
> http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev
>
--
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com
next prev parent reply other threads:[~2011-11-22 23:08 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-22 19:04 Matthew Khouzam
2011-11-22 23:08 ` Mathieu Desnoyers [this message]
2011-11-22 23:10 ` Mathieu Desnoyers
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