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Message-ID: <51026B49.4060803@hitachi.com> Date: Fri, 25 Jan 2013 20:23:53 +0900 From: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com> To: Srikar Dronamraju <srikar@...ux.vnet.ibm.com> Cc: Oleg Nesterov <oleg@...hat.com>, Ingo Molnar <mingo@...nel.org>, Ingo Molnar <mingo@...e.hu>, Anton Arapov <anton@...hat.com>, Christoph Hellwig <hch@...radead.org>, Josh Stone <jistone@...hat.com>, linux-kernel@...r.kernel.org, Steven Rostedt <rostedt@...dmis.org>, Suzuki Poulose <suzuki@...ibm.com>, Ananth N Mavinakayanahalli <ananth@...ibm.com>, "yrl.pp-manager.tt@...achi.com" <yrl.pp-manager.tt@...achi.com> Subject: Re: Re: [GIT PULL] uprobes: pre-filtering (2013/01/25 15:46), Srikar Dronamraju wrote: > The other alternative is to extend the current abi and pass the > prefilter option. Should we extend the abi for userspace tracing is > obviously debatable. Hmm, afaik, ftrace has set_ftrace_pid and perf record also has --pid option. I think you can hook those to set pre-filter option at first. Of course, since those are universal options, we may need other per-event pid filter. Thank you, -- Masami HIRAMATSU IT Management Research Dept. Linux Technology Center Hitachi, Ltd., Yokohama Research Laboratory E-mail: masami.hiramatsu.pt@...achi.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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