From: Peter Zijlstra <peterz@infradead.org>
To: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Oleg Nesterov <oleg@redhat.com>, Ingo Molnar <mingo@elte.hu>,
Andrew Morton <akpm@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>,
Linux-mm <linux-mm@kvack.org>, Andi Kleen <andi@firstfloor.org>,
Christoph Hellwig <hch@infradead.org>,
Steven Rostedt <rostedt@goodmis.org>,
Roland McGrath <roland@hack.frob.com>,
Thomas Gleixner <tglx@linutronix.de>,
Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
Arnaldo Carvalho de Melo <acme@infradead.org>,
Anton Arapov <anton@redhat.com>,
Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
Jim Keniston <jkenisto@linux.vnet.ibm.com>,
Stephen Rothwell <sfr@canb.auug.org.au>
Subject: Re: [PATCH v8 3.2.0-rc5 1/9] uprobes: Install and remove breakpoints.
Date: Fri, 06 Jan 2012 11:57:41 +0100 [thread overview]
Message-ID: <1325847461.2442.4.camel@twins> (raw)
In-Reply-To: <20120106061407.GC14946@linux.vnet.ibm.com>
On Fri, 2012-01-06 at 11:44 +0530, Srikar Dronamraju wrote:
> - consumers for the uprobe is NULL, so mmap_uprobe will not
> insert new breakpoints which correspond to this uprobe until
> or unless another consumer gets added for the same probe.
>
> - If a new consumer gets added for this probe, we reuse the
> uprobe struct.
Ok, and when we install a new 'first' consumer we'll again try and
install all breakpoints ignoring those that were already there?
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WARNING: multiple messages have this Message-ID (diff)
From: Peter Zijlstra <peterz@infradead.org>
To: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Oleg Nesterov <oleg@redhat.com>, Ingo Molnar <mingo@elte.hu>,
Andrew Morton <akpm@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>,
Linux-mm <linux-mm@kvack.org>, Andi Kleen <andi@firstfloor.org>,
Christoph Hellwig <hch@infradead.org>,
Steven Rostedt <rostedt@goodmis.org>,
Roland McGrath <roland@hack.frob.com>,
Thomas Gleixner <tglx@linutronix.de>,
Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
Arnaldo Carvalho de Melo <acme@infradead.org>,
Anton Arapov <anton@redhat.com>,
Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
Jim Keniston <jkenisto@linux.vnet.ibm.com>,
Stephen Rothwell <sfr@canb.auug.org.au>
Subject: Re: [PATCH v8 3.2.0-rc5 1/9] uprobes: Install and remove breakpoints.
Date: Fri, 06 Jan 2012 11:57:41 +0100 [thread overview]
Message-ID: <1325847461.2442.4.camel@twins> (raw)
In-Reply-To: <20120106061407.GC14946@linux.vnet.ibm.com>
On Fri, 2012-01-06 at 11:44 +0530, Srikar Dronamraju wrote:
> - consumers for the uprobe is NULL, so mmap_uprobe will not
> insert new breakpoints which correspond to this uprobe until
> or unless another consumer gets added for the same probe.
>
> - If a new consumer gets added for this probe, we reuse the
> uprobe struct.
Ok, and when we install a new 'first' consumer we'll again try and
install all breakpoints ignoring those that were already there?
next prev parent reply other threads:[~2012-01-06 10:58 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-16 12:27 [PATCH v8 3.2.0-rc5 0/9] uprobes patchset Srikar Dronamraju
2011-12-16 12:27 ` Srikar Dronamraju
2011-12-16 12:28 ` [PATCH v8 3.2.0-rc5 1/9] uprobes: Install and remove breakpoints Srikar Dronamraju
2011-12-16 12:28 ` Srikar Dronamraju
2012-01-04 16:49 ` Peter Zijlstra
2012-01-04 16:49 ` Peter Zijlstra
2012-01-06 6:14 ` Srikar Dronamraju
2012-01-06 6:14 ` Srikar Dronamraju
2012-01-06 10:57 ` Peter Zijlstra [this message]
2012-01-06 10:57 ` Peter Zijlstra
2012-01-06 11:08 ` Srikar Dronamraju
2012-01-06 11:08 ` Srikar Dronamraju
2012-01-04 16:51 ` Peter Zijlstra
2012-01-04 16:51 ` Peter Zijlstra
2012-01-04 17:12 ` Steven Rostedt
2012-01-04 17:12 ` Steven Rostedt
2011-12-16 12:28 ` [PATCH v8 3.2.0-rc5 2/9] uprobes: handle breakpoint and signal step exception Srikar Dronamraju
2011-12-16 12:28 ` Srikar Dronamraju
2011-12-16 12:28 ` [PATCH v8 3.2.0-rc5 3/9] uprobes: slot allocation Srikar Dronamraju
2011-12-16 12:28 ` Srikar Dronamraju
2011-12-16 12:28 ` [PATCH v8 3.2.0-rc5 4/9] uprobes: counter to optimize probe hits Srikar Dronamraju
2011-12-16 12:28 ` Srikar Dronamraju
2011-12-16 12:28 ` [PATCH v8 3.2.0-rc5 5/9] tracing: modify is_delete, is_return from ints to bool Srikar Dronamraju
2011-12-16 12:28 ` Srikar Dronamraju
2011-12-16 12:29 ` [PATCH v8 3.2.0-rc5 6/9] tracing: Extract out common code for kprobes/uprobes traceevents Srikar Dronamraju
2011-12-16 12:29 ` Srikar Dronamraju
2011-12-16 12:29 ` [PATCH v8 3.2.0-rc5 7/9] tracing: uprobes trace_event interface Srikar Dronamraju
2011-12-16 12:29 ` Srikar Dronamraju
2011-12-16 12:29 ` [PATCH v8 3.2.0-rc5 8/9] perf: rename target_module to target Srikar Dronamraju
2011-12-16 12:29 ` Srikar Dronamraju
2011-12-16 12:29 ` [PATCH v8 3.2.0-rc5 9/9] perf: perf interface for uprobes Srikar Dronamraju
2011-12-16 12:29 ` Srikar Dronamraju
2012-01-06 10:51 ` Masami Hiramatsu
2012-01-06 10:51 ` Masami Hiramatsu
2012-01-09 11:22 ` Srikar Dronamraju
2012-01-09 11:22 ` Srikar Dronamraju
2012-01-13 1:56 ` Masami Hiramatsu
2012-01-13 1:56 ` Masami Hiramatsu
2012-01-13 5:14 ` Srikar Dronamraju
2012-01-13 5:14 ` Srikar Dronamraju
2012-01-13 14:02 ` Masami Hiramatsu
2012-01-13 14:02 ` Masami Hiramatsu
2012-01-16 14:21 ` [PATCH v9 3.2 " Srikar Dronamraju
2012-01-16 14:21 ` Srikar Dronamraju
2012-01-09 11:24 ` [PATCH v8 3.2.0-rc5 " Srikar Dronamraju
2012-01-09 11:24 ` Srikar Dronamraju
2012-01-12 14:50 ` Masami Hiramatsu
2012-01-12 14:50 ` Masami Hiramatsu
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