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From: Peter Zijlstra <peterz@infradead.org>
To: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>, Steven Rostedt <rostedt@goodmis.org>,
	Linux-mm <linux-mm@kvack.org>,
	Arnaldo Carvalho de Melo <acme@infradead.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
	Christoph Hellwig <hch@infradead.org>,
	Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
	Oleg Nesterov <oleg@redhat.com>,
	LKML <linux-kernel@vger.kernel.org>,
	SystemTap <systemtap@sources.redhat.com>,
	Jim Keniston <jkenisto@linux.vnet.ibm.com>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	Andi Kleen <andi@firstfloor.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Subject: Re: [RFC] [PATCH 2.6.37-rc5-tip 8/20]  8: uprobes: mmap and fork hooks.
Date: Wed, 26 Jan 2011 16:20:43 +0100	[thread overview]
Message-ID: <1296055243.28776.1209.camel@laptop> (raw)
In-Reply-To: <20110126150946.GK19725@linux.vnet.ibm.com>

On Wed, 2011-01-26 at 20:39 +0530, Srikar Dronamraju wrote:
> 
> B. use the current match_inode but change the search_within_subtree
> logic. search_within_subtree() would first find the leftmode node
> within the subtree that still has the same inode. Thereafter it will use
> rb_next().
> 
> Do you have any other ideas? 

Look for the right inode but with offset 0, that should get you the
leftmost matching inode, or the entry left of that (depending on how you
build the tree), after that you should be able to iterate all probes of
that inode by using rb_next.

WARNING: multiple messages have this Message-ID (diff)
From: Peter Zijlstra <peterz@infradead.org>
To: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>, Steven Rostedt <rostedt@goodmis.org>,
	Linux-mm <linux-mm@kvack.org>,
	Arnaldo Carvalho de Melo <acme@infradead.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
	Christoph Hellwig <hch@infradead.org>,
	Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
	Oleg Nesterov <oleg@redhat.com>,
	LKML <linux-kernel@vger.kernel.org>,
	SystemTap <systemtap@sources.redhat.com>,
	Jim Keniston <jkenisto@linux.vnet.ibm.com>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	Andi Kleen <andi@firstfloor.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Subject: Re: [RFC] [PATCH 2.6.37-rc5-tip 8/20]  8: uprobes: mmap and fork hooks.
Date: Wed, 26 Jan 2011 16:20:43 +0100	[thread overview]
Message-ID: <1296055243.28776.1209.camel@laptop> (raw)
In-Reply-To: <20110126150946.GK19725@linux.vnet.ibm.com>

On Wed, 2011-01-26 at 20:39 +0530, Srikar Dronamraju wrote:
> 
> B. use the current match_inode but change the search_within_subtree
> logic. search_within_subtree() would first find the leftmode node
> within the subtree that still has the same inode. Thereafter it will use
> rb_next().
> 
> Do you have any other ideas? 

Look for the right inode but with offset 0, that should get you the
leftmost matching inode, or the entry left of that (depending on how you
build the tree), after that you should be able to iterate all probes of
that inode by using rb_next.

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  reply	other threads:[~2011-01-26 15:20 UTC|newest]

Thread overview: 116+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-16  9:57 [RFC] [PATCH 2.6.37-rc5-tip 0/20] 0: Inode based uprobes Srikar Dronamraju
2010-12-16  9:57 ` [RFC] [PATCH 2.6.37-rc5-tip 1/20] 1: mm: Move replace_page() / write_protect_page() to mm/memory.c Srikar Dronamraju
2010-12-16  9:57 ` [RFC] [PATCH 2.6.37-rc5-tip 2/20] 2: X86 specific breakpoint definitions Srikar Dronamraju
2010-12-16  9:57 ` [RFC] [PATCH 2.6.37-rc5-tip 3/20] 3: uprobes: Breakground page replacement Srikar Dronamraju
2010-12-16  9:58 ` [RFC] [PATCH 2.6.37-rc5-tip 4/20] 4: uprobes: Adding and remove a uprobe in a rb tree Srikar Dronamraju
2011-01-25 12:15   ` Peter Zijlstra
2011-01-26  8:37     ` Srikar Dronamraju
2011-01-26  8:37       ` Srikar Dronamraju
2011-01-25 12:15   ` Peter Zijlstra
2011-01-26  8:41     ` Srikar Dronamraju
2011-01-26 10:13       ` Peter Zijlstra
2011-01-25 12:15   ` Peter Zijlstra
2011-01-26  8:38     ` Srikar Dronamraju
2011-01-25 13:56   ` Peter Zijlstra
2011-01-26  8:45     ` Srikar Dronamraju
2011-01-26 10:14       ` Peter Zijlstra
2011-01-26 15:18         ` Srikar Dronamraju
2011-01-26 15:33           ` Peter Zijlstra
2010-12-16  9:58 ` [RFC] [PATCH 2.6.37-rc5-tip 5/20] 5: Uprobes: register/unregister probes Srikar Dronamraju
2011-01-25 12:15   ` Peter Zijlstra
2011-01-26  7:55     ` Srikar Dronamraju
2011-01-26  7:55       ` Srikar Dronamraju
2011-01-26 10:11       ` Peter Zijlstra
2011-01-26 10:11         ` Peter Zijlstra
2011-01-26 15:30         ` Srikar Dronamraju
2011-01-26 15:30           ` Srikar Dronamraju
2011-01-26 15:45           ` Peter Zijlstra
2011-01-26 15:45             ` Peter Zijlstra
2011-01-26 16:56             ` Srikar Dronamraju
2011-01-26 16:56               ` Srikar Dronamraju
2011-01-26 17:12               ` Peter Zijlstra
2011-01-26 17:12                 ` Peter Zijlstra
2011-01-27 10:01                 ` Srikar Dronamraju
2011-01-27 10:01                   ` Srikar Dronamraju
2011-01-27 10:23                   ` Peter Zijlstra
2011-01-27 10:23                     ` Peter Zijlstra
2011-01-27 10:25                     ` Srikar Dronamraju
2011-01-27 10:25                       ` Srikar Dronamraju
2011-01-27 10:41                       ` Peter Zijlstra
2011-01-27 10:41                         ` Peter Zijlstra
2011-01-27 10:29                   ` Peter Zijlstra
2011-01-27 10:29                     ` Peter Zijlstra
2011-01-25 12:15   ` Peter Zijlstra
2011-01-26  7:47     ` Srikar Dronamraju
2011-01-26  7:47       ` Srikar Dronamraju
2011-01-26 10:10       ` Peter Zijlstra
2011-01-26 10:10         ` Peter Zijlstra
2010-12-16  9:58 ` [RFC] [PATCH 2.6.37-rc5-tip 6/20] 6: x86: analyze instruction and determine fixups Srikar Dronamraju
2010-12-16  9:58 ` [RFC] [PATCH 2.6.37-rc5-tip 7/20] 7: uprobes: store/restore original instruction Srikar Dronamraju
2011-01-25 12:15   ` Peter Zijlstra
2010-12-16  9:58 ` [RFC] [PATCH 2.6.37-rc5-tip 8/20] 8: uprobes: mmap and fork hooks Srikar Dronamraju
2011-01-25 12:15   ` Peter Zijlstra
2011-01-26  9:03     ` Srikar Dronamraju
2011-01-26  9:03       ` Srikar Dronamraju
2011-01-26 10:20       ` Peter Zijlstra
2011-01-26 10:20         ` Peter Zijlstra
2011-01-26 14:59         ` Srikar Dronamraju
2011-01-26 14:59           ` Srikar Dronamraju
2011-01-26 15:16           ` Peter Zijlstra
2011-01-26 15:16             ` Peter Zijlstra
2011-01-26 16:30             ` Srikar Dronamraju
2011-01-26 16:30               ` Srikar Dronamraju
2011-01-25 12:15   ` Peter Zijlstra
2011-01-25 20:05     ` Steven Rostedt
2011-01-26  9:06       ` Srikar Dronamraju
2011-01-27 17:03         ` Steven Rostedt
2011-01-28  4:53           ` Srikar Dronamraju
2011-01-28 13:57             ` Steven Rostedt
2011-01-28 14:28               ` Steven Rostedt
2011-01-28 14:46                 ` Srikar Dronamraju
2011-01-28 15:02                   ` Steven Rostedt
2011-01-26 15:09     ` Srikar Dronamraju
2011-01-26 15:09       ` Srikar Dronamraju
2011-01-26 15:20       ` Peter Zijlstra [this message]
2011-01-26 15:20         ` Peter Zijlstra
2010-12-16  9:58 ` [RFC] [PATCH 2.6.37-rc5-tip 9/20] 9: x86: architecture specific task information Srikar Dronamraju
2010-12-16  9:59 ` [RFC] [PATCH 2.6.37-rc5-tip 10/20] 10: uprobes: task specific information Srikar Dronamraju
2011-01-25 13:56   ` Peter Zijlstra
2011-01-25 18:38     ` Josh Stone
2011-01-25 18:55       ` Roland McGrath
2011-01-25 19:56       ` Peter Zijlstra
2010-12-16  9:59 ` [RFC] [PATCH 2.6.37-rc5-tip 11/20] 11: uprobes: slot allocation for uprobes Srikar Dronamraju
2011-01-25 13:56   ` Peter Zijlstra
2010-12-16  9:59 ` [RFC] [PATCH 2.6.37-rc5-tip 12/20] 12: uprobes: get the breakpoint address Srikar Dronamraju
2011-01-25 13:56   ` Peter Zijlstra
2010-12-16  9:59 ` [RFC] [PATCH 2.6.37-rc5-tip 13/20] 13: x86: x86 specific probe handling Srikar Dronamraju
2011-01-25 13:56   ` Peter Zijlstra
2011-01-27  9:40     ` Srikar Dronamraju
2011-01-27 10:22       ` Peter Zijlstra
2011-01-27 19:11         ` Roland McGrath
2011-01-28  4:57           ` Srikar Dronamraju
2011-01-28  6:23             ` Roland McGrath
2011-01-28  8:36               ` Peter Zijlstra
2011-01-28 18:23                 ` Roland McGrath
2010-12-16  9:59 ` [RFC] [PATCH 2.6.37-rc5-tip 14/20] 14: uprobes: Handing int3 and singlestep exception Srikar Dronamraju
2011-01-25 13:56   ` Peter Zijlstra
2011-01-25 13:56   ` Peter Zijlstra
2011-01-26  8:52     ` Srikar Dronamraju
2011-01-26  8:52       ` Srikar Dronamraju
2011-01-26 10:17       ` Peter Zijlstra
2011-01-26 10:17         ` Peter Zijlstra
2011-01-26 15:14         ` Srikar Dronamraju
2011-01-26 15:14           ` Srikar Dronamraju
2011-01-26 15:29           ` Peter Zijlstra
2011-01-26 15:29             ` Peter Zijlstra
2010-12-16 10:00 ` [RFC] [PATCH 2.6.37-rc5-tip 15/20] 15: x86: uprobes exception notifier for x86 Srikar Dronamraju
2010-12-16 10:00 ` [RFC] [PATCH 2.6.37-rc5-tip 16/20] 16: uprobes: register a notifier for uprobes Srikar Dronamraju
2011-01-25 13:56   ` Peter Zijlstra
2011-01-27  6:50     ` Srikar Dronamraju
2010-12-16 10:00 ` [RFC] [PATCH 2.6.37-rc5-tip 17/20] 17: uprobes: filter chain Srikar Dronamraju
2010-12-16 10:00 ` [RFC] [PATCH 2.6.37-rc5-tip 18/20] 18: uprobes: commonly used filters Srikar Dronamraju
2010-12-17 19:32   ` Valdis.Kletnieks
2010-12-18  3:04     ` Srikar Dronamraju
2010-12-16 10:00 ` [RFC] [PATCH 2.6.37-rc5-tip 19/20] 19: tracing: Extract out common code for kprobes/uprobes traceevents Srikar Dronamraju
2010-12-16 10:01 ` [RFC] [PATCH 2.6.37-rc5-tip 20/20] 20: tracing: uprobes trace_event interface Srikar Dronamraju
2010-12-16 10:07 ` [RFC] [PATCH 2.6.37-rc5-tip 0/20] 0: Inode based uprobes Srikar Dronamraju

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