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From: Ingo Molnar <mingo@kernel.org>
To: Adrian Hunter <adrian.hunter@intel.com>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
	linux-kernel@vger.kernel.org, David Ahern <dsahern@gmail.com>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	Jiri Olsa <jolsa@redhat.com>, Mike Galbraith <efault@gmx.de>,
	Namhyung Kim <namhyung@gmail.com>,
	Paul Mackerras <paulus@samba.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Stephane Eranian <eranian@google.com>
Subject: Re: [PATCH 2/9] perf tools: load kernel maps before using
Date: Thu, 25 Jul 2013 22:10:27 +0200	[thread overview]
Message-ID: <20130725201027.GB16719@gmail.com> (raw)
In-Reply-To: <1374760890-30558-3-git-send-email-adrian.hunter@intel.com>


* Adrian Hunter <adrian.hunter@intel.com> wrote:

> In order to use kernel maps to read object code, those
> maps must be adjusted to map to the dso file offset.
> Because lazy-initialzation is used, that is not done

s/initialization

> until symbols are loaded.  However the maps are first
> used by thread__find_addr_map() before symbols are loaded.
> So this patch changes thread__find_addr() to "load" kernel
> maps before using them.

Thanks,

	Ingo

  reply	other threads:[~2013-07-25 20:10 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-25 14:01 [PATCH 0/9] perf tools: add support for reading object code Adrian Hunter
2013-07-25 14:01 ` [PATCH 1/9] perf tools: add test " Adrian Hunter
2013-07-29  6:28   ` Namhyung Kim
2013-07-30 21:11     ` Adrian Hunter
2013-07-31 17:43       ` Arnaldo Carvalho de Melo
2013-08-03 13:47         ` Adrian Hunter
2013-07-25 14:01 ` [PATCH 2/9] perf tools: load kernel maps before using Adrian Hunter
2013-07-25 20:10   ` Ingo Molnar [this message]
2013-07-25 14:01 ` [PATCH 3/9] perf tools: make it possible to read object code from vmlinux Adrian Hunter
2013-07-25 14:01 ` [PATCH 4/9] perf tools: adjust the vmlinux symtab matches kallsyms test Adrian Hunter
2013-07-25 14:01 ` [PATCH 5/9] perf tools: avoid SyS kernel syscall aliases Adrian Hunter
2013-07-25 14:01 ` [PATCH 6/9] perf tools: make it possible to read object code from kernel modules Adrian Hunter
2013-07-25 14:01 ` [PATCH 7/9] perf tools: add support for reading from /proc/kcore Adrian Hunter
2013-07-30  4:37   ` Namhyung Kim
2013-07-30 21:12     ` Adrian Hunter
2013-07-25 14:01 ` [PATCH 8/9] perf tools: add kcore to the object code reading test Adrian Hunter
2013-07-30  5:24   ` Namhyung Kim
2013-07-30 21:17     ` Adrian Hunter
2013-07-25 14:01 ` [PATCH 9/9] perf tools: allow annotation using /proc/kcore Adrian Hunter
2013-07-25 20:22 ` [PATCH 0/9] perf tools: add support for reading object code Ingo Molnar
2013-07-27 12:27 ` Jiri Olsa

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