From: Peter Zijlstra <peterz@infradead.org>
To: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>,
Linus Torvalds <torvalds@linux-foundation.org>,
Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
LKML <linux-kernel@vger.kernel.org>,
Oleg Nesterov <oleg@redhat.com>,
Christoph Hellwig <hch@infradead.org>,
Steven Rostedt <rostedt@goodmis.org>,
Arnaldo Carvalho de Melo <acme@infradead.org>,
Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
Anton Arapov <anton@redhat.com>,
Stephen Boyd <sboyd@codeaurora.org>
Subject: Re: [PATCH v20] tracing: Fix kconfig warning due to a typo
Date: Tue, 08 May 2012 13:29:48 +0200 [thread overview]
Message-ID: <1336476588.16236.20.camel@twins> (raw)
In-Reply-To: <20120508111126.21004.38285.sendpatchset@srdronam.in.ibm.com>
On Tue, 2012-05-08 at 16:41 +0530, Srikar Dronamraju wrote:
> + p:uprobes/p_zsh_0x46420 /bin/zsh:0x00046420 arg1=%ip arg2=%ax
can you also do things like:
p:uprobes/ponies /bin/zsh:foo arg1=bar
when bar is either a function argument of foo (or an otherwise live
variable at the probe point)?
Only sampling register content is somewhat limiting, you might want to
have %ax[5] + 24 for example, or a pure memory deref -- and the dwarves
know where it all lives.
next prev parent reply other threads:[~2012-05-08 11:30 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-08 11:11 [PATCH v20] tracing: Fix kconfig warning due to a typo Srikar Dronamraju
2012-05-08 11:29 ` Peter Zijlstra [this message]
2012-05-08 12:48 ` Steven Rostedt
2012-05-08 13:17 ` Peter Zijlstra
2012-05-09 5:55 ` Masami Hiramatsu
2012-05-09 10:57 ` Peter Zijlstra
2012-05-10 11:47 ` Masami Hiramatsu
2012-05-08 12:49 ` [tip:perf/uprobes] " tip-bot for Srikar Dronamraju
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