From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Harris <mhmughees@gmail.com>
Cc: linux-perf-users@vger.kernel.org
Subject: Re: Perf Hardware Counters Android
Date: Sun, 4 Oct 2015 17:43:17 -0300 [thread overview]
Message-ID: <20151004204317.GG20515@kernel.org> (raw)
In-Reply-To: <loom.20150921T094733-948@post.gmane.org>
Em Mon, Sep 21, 2015 at 07:54:49AM +0000, Harris escreveu:
> I have compiled AOSP which includes perf tool.
> Later I pushed this compiled perf module into
> production build on my MotoG device.
> Now I am able to run perf command however perf top
> command only shows empty layout of table with no entry.
> Similarly I found I can to record and
> stat for software events only.
> While hardware events like "cycles" are not recorded.
>
> I wonder if it is not possible to use perf with production
> built android or do I need to configure something.
> Please help me out.
Please tell us the versions of all the components you mentioned, i.e.
what perf tool? What AOSP? What kernel?
- Arnaldo
prev parent reply other threads:[~2015-10-04 20:43 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-21 7:54 Perf Hardware Counters Android Harris
2015-10-04 20:43 ` Arnaldo Carvalho de Melo [this message]
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