From: Arnaldo Carvalho de Melo <acme@redhat.com>
To: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
Stephane Eranian <eranian@google.com>,
linux-kernel@vger.kernel.org, mingo@elte.hu, ak@linux.intel.com,
jolsa@redhat.com, namhyung@kernel.org, cel@us.ibm.com,
dsahern@gmail.com, adrian.hunter@intel.com,
johnmccutchan@google.com, brendan.d.gregg@gmail.com
Subject: Re: [PATCH v7 0/4] perf: add support for profiling jitted code
Date: Thu, 1 Oct 2015 13:13:40 -0300 [thread overview]
Message-ID: <20151001161340.GB12682@redhat.com> (raw)
In-Reply-To: <20151001093914.GA9546@gmail.com>
Em Thu, Oct 01, 2015 at 11:39:14AM +0200, Ingo Molnar escreveu:
> * Peter Zijlstra <peterz@infradead.org> wrote:
> > > This will also generate an ELF image for each jitted function. The injected
> > > MMAP records will point to these ELF images. The reasoning behind using ELF
> > > images is that it makes processing for perf report and annotate automatic and
> > > transparent. It also makes it easier to package and analyze on a remote
> > > machine. Binutils tools can decode the ELF images easily.
> > The generation of ELF files is really nice!
> > All in all this looks really nice.
> > Thanks for doing this.
> Seconded, nice stuff!
Thirded! ;-)
Gave it a quick look, the ELF generation thing could later be librarized
somehow for other uses, the passing of perf_session for sample_type can
maybe use evsel->attr.sample_type instead, no?
Will try to try it after lunch :-)
- Arnaldo
next prev parent reply other threads:[~2015-10-01 16:13 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-01 6:45 [PATCH v7 0/4] perf: add support for profiling jitted code Stephane Eranian
2015-10-01 6:45 ` [PATCH v7 1/5] perf tools: add Java demangling support Stephane Eranian
2015-10-01 6:45 ` [PATCH v7 2/5] perf tools: pass session to mmap processing code Stephane Eranian
2015-10-01 6:45 ` [PATCH v7 3/5] perf inject: add jitdump mmap injection support Stephane Eranian
2015-10-09 13:17 ` Adrian Hunter
2015-10-01 6:45 ` [PATCH v7 4/5] perf tools: add JVMTI agent library Stephane Eranian
2015-10-01 6:45 ` [PATCH v7 5/5] perf/jit: add source line info support Stephane Eranian
2015-10-01 9:17 ` [PATCH v7 0/4] perf: add support for profiling jitted code Peter Zijlstra
2015-10-01 9:39 ` Ingo Molnar
2015-10-01 16:13 ` Arnaldo Carvalho de Melo [this message]
2015-10-04 19:52 ` Stephane Eranian
2015-10-01 22:45 ` Brendan Gregg
2015-10-04 20:05 ` Stephane Eranian
2015-10-09 20:51 ` Brendan Gregg
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