From: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
To: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Oleg Nesterov <oleg@redhat.com>, Ingo Molnar <mingo@kernel.org>,
Ingo Molnar <mingo@elte.hu>, Anton Arapov <anton@redhat.com>,
Christoph Hellwig <hch@infradead.org>,
Josh Stone <jistone@redhat.com>,
linux-kernel@vger.kernel.org,
Steven Rostedt <rostedt@goodmis.org>,
Suzuki Poulose <suzuki@in.ibm.com>,
Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
"yrl.pp-manager.tt@hitachi.com" <yrl.pp-manager.tt@hitachi.com>
Subject: Re: Re: [GIT PULL] uprobes: pre-filtering
Date: Fri, 25 Jan 2013 20:23:53 +0900 [thread overview]
Message-ID: <51026B49.4060803@hitachi.com> (raw)
In-Reply-To: <20130125064629.GD23723@linux.vnet.ibm.com>
(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@hitachi.com
next prev parent reply other threads:[~2013-01-25 11:24 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-13 18:59 [GIT PULL] uprobes: pre-filtering Oleg Nesterov
2013-01-24 12:17 ` Ingo Molnar
2013-01-24 12:28 ` Anton Arapov
2013-01-24 12:30 ` Ingo Molnar
2013-01-24 15:40 ` Oleg Nesterov
2013-01-24 15:41 ` Ingo Molnar
2013-01-24 17:06 ` Oleg Nesterov
2013-01-25 6:46 ` Srikar Dronamraju
2013-01-25 7:54 ` Ingo Molnar
2013-01-25 16:17 ` Oleg Nesterov
2013-01-25 18:46 ` Ingo Molnar
2013-01-25 19:34 ` Oleg Nesterov
2013-01-28 12:19 ` Srikar Dronamraju
2013-01-28 16:04 ` Oleg Nesterov
2013-01-25 11:23 ` Masami Hiramatsu [this message]
2013-01-24 17:05 ` Josh Stone
2013-01-24 17:23 ` Oleg Nesterov
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