From: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
To: Adrian Hunter <adrian.hunter@intel.com>
Cc: 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>,
Ingo Molnar <mingo@kernel.org>
Subject: Re: [PATCH V2 1/9] perf tools: add test for reading object code
Date: Wed, 31 Jul 2013 11:17:32 -0300 [thread overview]
Message-ID: <20130731141732.GD3614@ghostprotocols.net> (raw)
In-Reply-To: <1375218838-31042-2-git-send-email-adrian.hunter@intel.com>
Em Wed, Jul 31, 2013 at 12:13:50AM +0300, Adrian Hunter escreveu:
> Using the information in mmap events, perf tools can read object
> code associated with sampled addresses. A test is added that
> compares bytes read by perf with the same bytes read using
> objdump.
So this parses objdump output, and we also already have the annotation
logic that does that too, have you thought about having common routines
for these two cases?
I mean the disasm_line, ins, ins_ops, ins_operands classes, that now
lives in util/annotate.h but could be moved somewhere else,
disconnecting it as much as possible from annotation, because probably
there are more cool things we could do with that... :-)
We could certainly do it incrementally, merging your current patch
series and then working on sharing code on these two use cases, but
perhaps you can do it now?
What do you think?
- Arnaldo
next prev parent reply other threads:[~2013-07-31 14:17 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-30 21:13 [PATCH V2 0/9] perf tools: add support for reading object code Adrian Hunter
2013-07-30 21:13 ` [PATCH V2 1/9] perf tools: add test " Adrian Hunter
2013-07-31 14:17 ` Arnaldo Carvalho de Melo [this message]
2013-07-31 14:24 ` Peter Zijlstra
2013-08-01 2:32 ` Namhyung Kim
2013-08-03 13:45 ` Adrian Hunter
2013-08-05 16:32 ` Arnaldo Carvalho de Melo
2013-07-31 14:58 ` Arnaldo Carvalho de Melo
2013-07-31 17:28 ` Arnaldo Carvalho de Melo
2013-07-31 17:46 ` Arnaldo Carvalho de Melo
2013-08-03 19:37 ` Adrian Hunter
2013-08-03 14:11 ` Adrian Hunter
2013-07-30 21:13 ` [PATCH V2 2/9] perf tools: load kernel maps before using Adrian Hunter
2013-07-31 14:35 ` Arnaldo Carvalho de Melo
2013-07-30 21:13 ` [PATCH V2 3/9] perf tools: make it possible to read object code from vmlinux Adrian Hunter
2013-07-30 21:13 ` [PATCH V2 4/9] perf tools: adjust the vmlinux symtab matches kallsyms test Adrian Hunter
2013-07-30 21:13 ` [PATCH V2 5/9] perf tools: avoid SyS kernel syscall aliases Adrian Hunter
2013-07-30 21:13 ` [PATCH V2 6/9] perf tools: make it possible to read object code from kernel modules Adrian Hunter
2013-07-30 21:13 ` [PATCH V2 7/9] perf tools: add support for reading from /proc/kcore Adrian Hunter
2013-07-30 21:13 ` [PATCH V2 8/9] perf tools: add kcore to the object code reading test Adrian Hunter
2013-07-30 21:13 ` [PATCH V2 9/9] perf tools: allow annotation using /proc/kcore Adrian Hunter
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